Version bump

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Address lint issues in TunnelListFragment
2026-07-03 14:05:13 +02:00 · 2018-07-12 02:14:25 +02:00 · 2018-07-12 02:07:19 +02:00 · 2018-07-12 02:04:52 +02:00 · 2018-07-11 21:03:22 +02:00 · 2018-07-11 21:03:22 +02:00
102 changed files with 1765 additions and 1549 deletions
@@ -1,6 +1,6 @@
 <component name="CopyrightManager">
  <copyright>
-    <option name="notice" value="Copyright © &amp;#36;today.year Firstname Lastname &lt;email@example.org&gt;&#10;SPDX-License-Identifier:" />
+    <option name="notice" value="Copyright © &amp;#36;today.year Firstname Lastname &lt;email@example.org&gt;&#10;SPDX-License-Identifier: Apache-2.0
    <option name="myName" value="Default" />
  </copyright>
 </component>
@@ -1,6 +0,0 @@
-<component name="CopyrightManager">
-  <copyright>
-    <option name="myName" value="GPL-2.0-or-later" />
-    <option name="notice" value="Copyright © &amp;#36;today.year Firstname Lastname &lt;email@example.com&gt;&#10;SPDX-License-Identifier: GPL-2.0-or-later" />
-  </copyright>
-</component>
@@ -150,7 +150,6 @@
    <inspection_tool class="FieldMayBeFinal" enabled="true" level="WARNING" enabled_by_default="true" />
    <inspection_tool class="FieldMayBeStatic" enabled="true" level="WARNING" enabled_by_default="true" />
    <inspection_tool class="FieldMustBeInitialized" enabled="true" level="ERROR" enabled_by_default="true" />
-    <inspection_tool class="FieldNotUsedInToString" enabled="true" level="WARNING" enabled_by_default="true" />
    <inspection_tool class="FinalMethodInFinalClass" enabled="true" level="WARNING" enabled_by_default="true" />
    <inspection_tool class="FloatingPointEquality" enabled="true" level="WARNING" enabled_by_default="true" />
    <inspection_tool class="ForLoopReplaceableByWhile" enabled="true" level="WARNING" enabled_by_default="true">
@@ -1,338 +1,202 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 2, June 1991

- Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/

-                            Preamble
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

-  The licenses for most software are designed to take away your
-freedom to share and change it.  By contrast, the GNU General Public
-License is intended to guarantee your freedom to share and change free
-software--to make sure the software is free for all its users.  This
-General Public License applies to most of the Free Software
-Foundation's software and to any other program whose authors commit to
-using it.  (Some other Free Software Foundation software is covered by
-the GNU Lesser General Public License instead.)  You can apply it to
-your programs, too.
+   1. Definitions.

-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-this service if you wish), that you receive source code or can get it
-if you want it, that you can change the software or use pieces of it
-in new free programs; and that you know you can do these things.
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.

-  To protect your rights, we need to make restrictions that forbid
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-  For example, if you distribute copies of such a program, whether
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-  We protect your rights with two steps: (1) copyright the software, and
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-   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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-    a) You must cause the modified files to carry prominent notices
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-    b) You must cause any work that you distribute or publish, that in
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-on the Program, the distribution of the whole must be on the terms of
-this License, whose permissions for other licensees extend to the
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-Thus, it is not the intent of this section to claim rights or contest
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+      You may add Your own copyright statement to Your modifications and
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+      the conditions stated in this License.

-In addition, mere aggregation of another work not based on the Program
-with the Program (or with a work based on the Program) on a volume of
-a storage or distribution medium does not bring the other work under
-the scope of this License.
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
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-  3. You may copy and distribute the Program (or a work based on it,
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+   6. Trademarks. This License does not grant permission to use the trade
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-    a) Accompany it with the complete corresponding machine-readable
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+      agreed to in writing, Licensor provides the Work (and each
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-    b) Accompany it with a written offer, valid for at least three
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+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.

-The source code for a work means the preferred form of the work for
-making modifications to it.  For an executable work, complete source
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+   END OF TERMS AND CONDITIONS

-If distribution of executable or object code is made by offering
-access to copy from a designated place, then offering equivalent
-access to copy the source code from the same place counts as
-distribution of the source code, even though third parties are not
-compelled to copy the source along with the object code.
+   APPENDIX: How to apply the Apache License to your work.

-  4. You may not copy, modify, sublicense, or distribute the Program
-except as expressly provided under this License.  Any attempt
-otherwise to copy, modify, sublicense or distribute the Program is
-void, and will automatically terminate your rights under this License.
-However, parties who have received copies, or rights, from you under
-this License will not have their licenses terminated so long as such
-parties remain in full compliance.
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.

-  5. You are not required to accept this License, since you have not
-signed it.  However, nothing else grants you permission to modify or
-distribute the Program or its derivative works.  These actions are
-prohibited by law if you do not accept this License.  Therefore, by
-modifying or distributing the Program (or any work based on the
-Program), you indicate your acceptance of this License to do so, and
-all its terms and conditions for copying, distributing or modifying
-the Program or works based on it.
+   Copyright [yyyy] [name of copyright owner]

-  6. Each time you redistribute the Program (or any work based on the
-Program), the recipient automatically receives a license from the
-original licensor to copy, distribute or modify the Program subject to
-these terms and conditions.  You may not impose any further
-restrictions on the recipients' exercise of the rights granted herein.
-You are not responsible for enforcing compliance by third parties to
-this License.
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at

-  7. If, as a consequence of a court judgment or allegation of patent
-infringement or for any other reason (not limited to patent issues),
-conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
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-may not distribute the Program at all.  For example, if a patent
-license would not permit royalty-free redistribution of the Program by
-all those who receive copies directly or indirectly through you, then
-the only way you could satisfy both it and this License would be to
-refrain entirely from distribution of the Program.
+       http://www.apache.org/licenses/LICENSE-2.0

-If any portion of this section is held invalid or unenforceable under
-any particular circumstance, the balance of the section is intended to
-apply and the section as a whole is intended to apply in other
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-
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-impose that choice.
-
-This section is intended to make thoroughly clear what is believed to
-be a consequence of the rest of this License.
-
-  8. If the distribution and/or use of the Program is restricted in
-certain countries either by patents or by copyrighted interfaces, the
-original copyright holder who places the Program under this License
-may add an explicit geographical distribution limitation excluding
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-countries not thus excluded.  In such case, this License incorporates
-the limitation as if written in the body of this License.
-
-  9. The Free Software Foundation may publish revised and/or new versions
-of the General Public License from time to time.  Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-Each version is given a distinguishing version number.  If the Program
-specifies a version number of this License which applies to it and "any
-later version", you have the option of following the terms and conditions
-either of that version or of any later version published by the Free
-Software Foundation.  If the Program does not specify a version number of
-this License, you may choose any version ever published by the Free Software
-Foundation.
-
-  10. If you wish to incorporate parts of the Program into other free
-programs whose distribution conditions are different, write to the author
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-make exceptions for this.  Our decision will be guided by the two goals
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-of promoting the sharing and reuse of software generally.
-
-                            NO WARRANTY
-
-  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
-FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
-OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
-PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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-TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
-PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
-REPAIR OR CORRECTION.
-
-  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
-REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
-INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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-TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
-YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
-PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGES.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License version 2
-    as published by the Free Software Foundation.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-Also add information on how to contact you by electronic and paper mail.
-
-If the program is interactive, make it output a short notice like this
-when it starts in an interactive mode:
-
-    Gnomovision version 69, Copyright (C) year name of author
-    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License.  Of course, the commands you use may
-be called something other than `show w' and `show c'; they could even be
-mouse-clicks or menu items--whatever suits your program.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the program, if
-necessary.  Here is a sample; alter the names:
-
-  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
-  `Gnomovision' (which makes passes at compilers) written by James Hacker.
-
-  <signature of Ty Coon>, 1 April 1989
-  Ty Coon, President of Vice
-
-This General Public License does not permit incorporating your program into
-proprietary programs.  If your program is a subroutine library, you may
-consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
@@ -13,19 +13,3 @@ $ git submodule init
 $ git submodule update
 $ ./gradlew assembleRelease
 ```
-
-## License
-
-    This program is free software; you can redistribute it and/or
-    modify it under the terms of the GNU General Public License
-    as published by the Free Software Foundation; either version 2
-    of the License, or (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -5,21 +5,19 @@ apply plugin: 'com.android.application'
 final def keystorePropertiesFile = rootProject.file("keystore.properties")

 android {
-    buildToolsVersion '27.0.3'
+    buildToolsVersion '28.0.1'
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    compileSdkVersion 27
-    dataBinding {
-        enabled true
-    }
+    dataBinding.enabled true
    defaultConfig {
        applicationId 'com.wireguard.android'
        minSdkVersion 21
        targetSdkVersion 27
-        versionCode 423
-        versionName '0.0.20180606'
+        versionCode 432
+        versionName '0.0.20180711'
    }
    // If the keystore file exists
    if (keystorePropertiesFile.exists()) {
@@ -42,6 +40,10 @@ android {
        release {
            if (keystorePropertiesFile.exists()) signingConfig signingConfigs.release
        }
+        debug {
+            applicationIdSuffix ".debug"
+            versionNameSuffix "-debug"
+        }
    }
    externalNativeBuild {
        cmake {
@@ -49,8 +51,9 @@ android {
        }
    }
 }
+
 ext {
-    databindingVersion = '3.1.2'
+    databindingVersion = '3.1.3'
    supportLibsVersion = '27.1.1'
    streamsupportVersion = '1.6.0'
 }
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">WireGuard β</string>
+</resources>
@@ -9,7 +9,7 @@
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <permission
-        android:name="com.wireguard.android.permission.CONTROL_TUNNELS"
+        android:name="${applicationId}.permission.CONTROL_TUNNELS"
        android:protectionLevel="dangerous"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/permission_label"
@@ -59,7 +59,7 @@

        <receiver
            android:name=".model.TunnelManager$IntentReceiver"
-            android:permission="com.wireguard.android.permission.CONTROL_TUNNELS">
+            android:permission="${applicationId}.permission.CONTROL_TUNNELS">
            <intent-filter>
                <action android:name="com.wireguard.android.action.REFRESH_TUNNEL_STATES" />
                <action android:name="com.wireguard.android.action.SET_TUNNEL_UP" />
@@ -1,6 +1,6 @@
 /*
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android;
@@ -24,6 +24,8 @@ import com.wireguard.android.util.ToolsInstaller;

 import java.io.File;
 import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.concurrent.Executor;

 public class Application extends android.app.Application {
@@ -34,6 +36,10 @@ public class Application extends android.app.Application {
    private SharedPreferences sharedPreferences;
    private ToolsInstaller toolsInstaller;
    private TunnelManager tunnelManager;
+    private Handler handler;
+    private Collection<BackendCallback> haveBackendCallbacks = new ArrayList<>();
+    private final Object haveBackendCallbacksLock = new Object();
+
    public Application() {
        weakSelf = new WeakReference<>(this);
    }
@@ -47,11 +53,40 @@ public class Application extends android.app.Application {
    }

    public static Backend getBackend() {
-        return get().backend;
+        final Application app = get();
+        synchronized (app) {
+            if (app.backend == null) {
+                if (new File("/sys/module/wireguard").exists()) {
+                    try {
+                        app.rootShell.start();
+                        app.backend = new WgQuickBackend(app.getApplicationContext());
+                    } catch (final Exception ignored) { }
+                }
+                if (app.backend == null)
+                    app.backend = new GoBackend(app.getApplicationContext());
+                synchronized (app.haveBackendCallbacksLock) {
+                    for (final BackendCallback callback : app.haveBackendCallbacks)
+                        app.handler.post(() -> callback.callback(app.backend));
+                    app.haveBackendCallbacks = null;
+                }
+            }
+            return app.backend;
+        }
    }

-    public static Class getBackendType() {
-        return get().backend.getClass();
+    @FunctionalInterface
+    public interface BackendCallback {
+        void callback(final Backend backend);
+    }
+
+    public static void onHaveBackend(final BackendCallback callback) {
+        final Application app = get();
+        synchronized (app.haveBackendCallbacksLock) {
+            if (app.haveBackendCallbacks == null)
+                callback.callback(app.backend);
+            else
+                app.haveBackendCallbacks.add(callback);
+        }
    }

    public static RootShell getRootShell() {
@@ -74,8 +109,8 @@ public class Application extends android.app.Application {
    public void onCreate() {
        super.onCreate();

+        handler = new Handler(Looper.getMainLooper());
        final Executor executor = AsyncTask.SERIAL_EXECUTOR;
-        final Handler handler = new Handler(Looper.getMainLooper());
        final ConfigStore configStore = new FileConfigStore(getApplicationContext());

        asyncWorker = new AsyncWorker(executor, handler);
@@ -87,12 +122,8 @@ public class Application extends android.app.Application {
                sharedPreferences.getBoolean("dark_theme", false) ?
                        AppCompatDelegate.MODE_NIGHT_YES : AppCompatDelegate.MODE_NIGHT_NO);

-        if (new File("/sys/module/wireguard").exists())
-            backend = new WgQuickBackend(getApplicationContext());
-        else
-            backend = new GoBackend(getApplicationContext());
-
-        tunnelManager = new TunnelManager(backend, configStore);
+        tunnelManager = new TunnelManager(configStore);
+        asyncWorker.runAsync(Application::getBackend);
        tunnelManager.onCreate();
    }
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android;
@@ -20,18 +20,20 @@ public class BootShutdownReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(final Context context, final Intent intent) {
-        if (Application.getBackendType() != WgQuickBackend.class)
-            return;
-        final String action = intent.getAction();
-        if (action == null)
-            return;
-        final TunnelManager tunnelManager = Application.getTunnelManager();
-        if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
-            Log.i(TAG, "Broadcast receiver restoring state (boot)");
-            tunnelManager.restoreState(false).whenComplete(ExceptionLoggers.D);
-        } else if (Intent.ACTION_SHUTDOWN.equals(action)) {
-            Log.i(TAG, "Broadcast receiver saving state (shutdown)");
-            tunnelManager.saveState();
-        }
+        Application.onHaveBackend(backend -> {
+            if (!(backend instanceof WgQuickBackend))
+                return;
+            final String action = intent.getAction();
+            if (action == null)
+                return;
+            final TunnelManager tunnelManager = Application.getTunnelManager();
+            if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
+                Log.i(TAG, "Broadcast receiver restoring state (boot)");
+                tunnelManager.restoreState(false).whenComplete(ExceptionLoggers.D);
+            } else if (Intent.ACTION_SHUTDOWN.equals(action)) {
+                Log.i(TAG, "Broadcast receiver saving state (shutdown)");
+                tunnelManager.saveState();
+            }
+        });
    }
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android;
@@ -10,6 +10,10 @@ import android.annotation.TargetApi;
 import android.content.Intent;
 import android.databinding.Observable;
 import android.databinding.Observable.OnPropertyChangedCallback;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
 import android.os.Build;
 import android.service.quicksettings.Tile;
@@ -20,8 +24,8 @@ import android.widget.Toast;
 import com.wireguard.android.activity.MainActivity;
 import com.wireguard.android.model.Tunnel;
 import com.wireguard.android.model.Tunnel.State;
-import com.wireguard.android.model.TunnelManager;
 import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.android.widget.SlashDrawable;

 import java.util.Objects;

@@ -38,6 +42,27 @@ public class QuickTileService extends TileService {
    private final OnStateChangedCallback onStateChangedCallback = new OnStateChangedCallback();
    private final OnTunnelChangedCallback onTunnelChangedCallback = new OnTunnelChangedCallback();
    private Tunnel tunnel;
+    private Icon iconOn;
+    private Icon iconOff;
+
+    @SuppressWarnings("deprecation")
+    @Override
+    public void onCreate() {
+        final SlashDrawable icon = new SlashDrawable(getResources().getDrawable(R.drawable.ic_tile));
+        icon.setAnimationEnabled(false); /* Unfortunately we can't have animations, since Icons are marshaled. */
+        icon.setSlashed(false);
+        Bitmap b = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+        Canvas c = new Canvas(b);
+        icon.setBounds(0, 0, c.getWidth(), c.getHeight());
+        icon.draw(c);
+        iconOn = Icon.createWithBitmap(b);
+        icon.setSlashed(true);
+        b = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+        c = new Canvas(b);
+        icon.setBounds(0, 0, c.getWidth(), c.getHeight());
+        icon.draw(c);
+        iconOff = Icon.createWithBitmap(b);
+    }

    @Override
    public void onClick() {
@@ -50,11 +75,6 @@ public class QuickTileService extends TileService {
        }
    }

-    @Override
-    public void onCreate() {
-        super.onCreate();
-    }
-
    @Override
    public void onStartListening() {
        Application.getTunnelManager().addOnPropertyChangedCallback(onTunnelChangedCallback);
@@ -105,10 +125,7 @@ public class QuickTileService extends TileService {
            return;
        tile.setLabel(label);
        if (tile.getState() != state) {
-            // The icon must be changed every time the state changes, or the shade will not change.
-            final Integer iconResource = state == Tile.STATE_ACTIVE ? R.drawable.ic_tile
-                    : R.drawable.ic_tile_disabled;
-            tile.setIcon(Icon.createWithResource(this, iconResource));
+            tile.setIcon(state == Tile.STATE_ACTIVE ? iconOn : iconOff);
            tile.setState(state);
        }
        tile.updateTile();
@@ -1,19 +1,16 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.activity;

-import android.content.Intent;
 import android.databinding.CallbackRegistry;
 import android.databinding.CallbackRegistry.NotifierCallback;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;

 import com.wireguard.android.Application;
-import com.wireguard.android.backend.GoBackend;
 import com.wireguard.android.model.Tunnel;
 import com.wireguard.android.model.TunnelManager;

@@ -53,12 +50,6 @@ public abstract class BaseActivity extends ThemeChangeAwareActivity {

        // The selected tunnel must be set before the superclass method recreates fragments.
        super.onCreate(savedInstanceState);
-
-        if (Application.getBackendType() == GoBackend.class) {
-            final Intent intent = GoBackend.VpnService.prepare(this);
-            if (intent != null)
-                startActivityForResult(intent, 0);
-        }
    }

    @Override
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.activity;
@@ -1,21 +1,19 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.activity;

-import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.app.AppCompatDelegate;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceFragmentCompat;
+import android.support.v7.preference.PreferenceScreen;
 import android.view.MenuItem;

 import com.wireguard.android.Application;
@@ -95,12 +93,21 @@ public class SettingsActivity extends ThemeChangeAwareActivity {
        @Override
        public void onCreatePreferences(final Bundle savedInstanceState, final String key) {
            addPreferencesFromResource(R.xml.preferences);
-            if (Application.getBackendType() != WgQuickBackend.class) {
-                Preference pref = getPreferenceManager().findPreference("tools_installer");
-                getPreferenceScreen().removePreference(pref);
-                pref = getPreferenceManager().findPreference("restore_on_boot");
-                getPreferenceScreen().removePreference(pref);
-            }
+            final Preference wgQuickOnlyPrefs[] = {
+                getPreferenceManager().findPreference("tools_installer"),
+                getPreferenceManager().findPreference("restore_on_boot")
+            };
+            for (final Preference pref : wgQuickOnlyPrefs)
+                pref.setVisible(false);
+            final PreferenceScreen screen = getPreferenceScreen();
+            Application.onHaveBackend(backend -> {
+                for (final Preference pref : wgQuickOnlyPrefs) {
+                    if (backend instanceof WgQuickBackend)
+                        pref.setVisible(true);
+                    else
+                        screen.removePreference(pref);
+                }
+            });
        }
    }
 }
@@ -1,6 +1,6 @@
 /*
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.activity;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.activity;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.backend;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.backend;
@@ -21,7 +21,7 @@ import com.wireguard.android.model.Tunnel.Statistics;
 import com.wireguard.android.util.ExceptionLoggers;
 import com.wireguard.android.util.SharedLibraryLoader;
 import com.wireguard.config.Config;
-import com.wireguard.config.IPCidr;
+import com.wireguard.config.InetNetwork;
 import com.wireguard.config.Interface;
 import com.wireguard.config.Peer;
 import com.wireguard.crypto.KeyEncoding;
@@ -156,7 +156,7 @@ public final class GoBackend implements Backend {
                        fmt.format("endpoint=%s\n", peer.getResolvedEndpointString());
                    if (peer.getPersistentKeepalive() != 0)
                        fmt.format("persistent_keepalive_interval=%d\n", peer.getPersistentKeepalive());
-                    for (final IPCidr addr : peer.getAllowedIPs()) {
+                    for (final InetNetwork addr : peer.getAllowedIPs()) {
                        fmt.format("allowed_ip=%s\n", addr.toString());
                    }
                }
@@ -171,15 +171,18 @@ public final class GoBackend implements Backend {
            configureIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            builder.setConfigureIntent(PendingIntent.getActivity(context, 0, configureIntent, 0));

-            for (final IPCidr addr : config.getInterface().getAddresses())
-                builder.addAddress(addr.getAddress(), addr.getCidr());
+            for (final String excludedApplication : config.getInterface().getExcludedApplications())
+                builder.addDisallowedApplication(excludedApplication);
+
+            for (final InetNetwork addr : config.getInterface().getAddresses())
+                builder.addAddress(addr.getAddress(), addr.getMask());

            for (final InetAddress addr : config.getInterface().getDnses())
                builder.addDnsServer(addr.getHostAddress());

            for (final Peer peer : config.getPeers()) {
-                for (final IPCidr addr : peer.getAllowedIPs())
-                    builder.addRoute(addr.getAddress(), addr.getCidr());
+                for (final InetNetwork addr : peer.getAllowedIPs())
+                    builder.addRoute(addr.getAddress(), addr.getMask());
            }

            int mtu = config.getInterface().getMtu();
@@ -250,5 +253,6 @@ public final class GoBackend implements Backend {
            }
            return super.onStartCommand(intent, flags, startId);
        }
+
    }
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.backend;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.configStore;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.configStore;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.databinding;
@@ -9,16 +9,18 @@ package com.wireguard.android.databinding;
 import android.databinding.BindingAdapter;
 import android.databinding.ObservableList;
 import android.databinding.adapters.ListenerUtil;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
 import android.text.InputFilter;
 import android.widget.LinearLayout;
-import android.widget.ListView;
 import android.widget.TextView;

 import com.wireguard.android.R;
-import com.wireguard.android.util.Keyed;
+import com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler;
 import com.wireguard.android.util.ObservableKeyedList;
 import com.wireguard.android.widget.ToggleSwitch;
 import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener;
+import com.wireguard.util.Keyed;

 /**
 * Static methods for use by generated code in the Android data binding library.
@@ -65,16 +67,19 @@ public final class BindingAdapters {
        listener.setList(newList);
    }

-    @BindingAdapter({"items", "layout"})
+    @BindingAdapter(requireAll = false, value = {"items", "layout", "configurationHandler"})
    public static <K, E extends Keyed<? extends K>>
-    void setItems(final ListView view,
-                  final ObservableKeyedList<K, E> oldList, final int oldLayoutId,
-                  final ObservableKeyedList<K, E> newList, final int newLayoutId) {
+    void setItems(final RecyclerView view,
+                  final ObservableKeyedList<K, E> oldList, final int oldLayoutId, final RowConfigurationHandler oldRowConfigurationHandler,
+                  final ObservableKeyedList<K, E> newList, final int newLayoutId, final RowConfigurationHandler newRowConfigurationHandler) {
+        if (view.getLayoutManager() == null)
+            view.setLayoutManager(new LinearLayoutManager(view.getContext(), RecyclerView.VERTICAL, false));
+
        if (oldList == newList && oldLayoutId == newLayoutId)
            return;
        // The ListAdapter interface is not generic, so this cannot be checked.
-        @SuppressWarnings("unchecked") ObservableKeyedListAdapter<K, E> adapter =
-                (ObservableKeyedListAdapter<K, E>) view.getAdapter();
+        @SuppressWarnings("unchecked") ObservableKeyedRecyclerViewAdapter<K, E> adapter =
+                (ObservableKeyedRecyclerViewAdapter<K, E>) view.getAdapter();
        // If the layout changes, any existing adapter must be replaced.
        if (adapter != null && oldList != null && oldLayoutId != newLayoutId) {
            adapter.setList(null);
@@ -84,9 +89,11 @@ public final class BindingAdapters {
        if (newList == null || newLayoutId == 0)
            return;
        if (adapter == null) {
-            adapter = new ObservableKeyedListAdapter<>(view.getContext(), newLayoutId, newList);
+            adapter = new ObservableKeyedRecyclerViewAdapter<>(view.getContext(), newLayoutId, newList);
            view.setAdapter(adapter);
        }
+
+        adapter.setRowConfigurationHandler(newRowConfigurationHandler);
        // Either the list changed, or this is an entirely new listener because the layout changed.
        adapter.setList(newList);
    }
@@ -96,4 +103,5 @@ public final class BindingAdapters {
                                                 final OnBeforeCheckedChangeListener listener) {
        view.setOnBeforeCheckedChangeListener(listener);
    }
+
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.databinding;
@@ -1,7 +1,7 @@
 /*
- * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.databinding;
@@ -10,41 +10,43 @@ import android.content.Context;
 import android.databinding.DataBindingUtil;
 import android.databinding.ObservableList;
 import android.databinding.ViewDataBinding;
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.RecyclerView.Adapter;
 import android.view.LayoutInflater;
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.BaseAdapter;

 import com.wireguard.android.BR;
-import com.wireguard.android.util.Keyed;
 import com.wireguard.android.util.ObservableKeyedList;
+import com.wireguard.util.Keyed;

 import java.lang.ref.WeakReference;

 /**
- * A generic {@code ListAdapter} backed by a {@code ObservableKeyedList}.
+ * A generic {@code RecyclerView.Adapter} backed by a {@code ObservableKeyedList}.
 */

-class ObservableKeyedListAdapter<K, E extends Keyed<? extends K>> extends BaseAdapter {
+public class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>> extends Adapter<ObservableKeyedRecyclerViewAdapter.ViewHolder> {
+
    private final OnListChangedCallback<E> callback = new OnListChangedCallback<>(this);
    private final int layoutId;
    private final LayoutInflater layoutInflater;
    private ObservableKeyedList<K, E> list;
+    private RowConfigurationHandler rowConfigurationHandler;

-    ObservableKeyedListAdapter(final Context context, final int layoutId,
-                               final ObservableKeyedList<K, E> list) {
+    ObservableKeyedRecyclerViewAdapter(final Context context, final int layoutId,
+                                       final ObservableKeyedList<K, E> list) {
        this.layoutId = layoutId;
        layoutInflater = LayoutInflater.from(context);
        setList(list);
    }

    @Override
-    public int getCount() {
+    public int getItemCount() {
        return list != null ? list.size() : 0;
    }

-    @Override
-    public E getItem(final int position) {
+    private E getItem(final int position) {
        if (list == null || position < 0 || position >= list.size())
            return null;
        return list.get(position);
@@ -61,21 +63,22 @@ class ObservableKeyedListAdapter<K, E extends Keyed<? extends K>> extends BaseAd
        return item != null ? item.getKey() : null;
    }

-    @Override
-    public View getView(final int position, final View convertView, final ViewGroup parent) {
-        ViewDataBinding binding = DataBindingUtil.getBinding(convertView);
-        if (binding == null)
-            binding = DataBindingUtil.inflate(layoutInflater, layoutId, parent, false);
-        binding.setVariable(BR.collection, list);
-        binding.setVariable(BR.key, getKey(position));
-        binding.setVariable(BR.item, getItem(position));
-        binding.executePendingBindings();
-        return binding.getRoot();
+    @NonNull @Override
+    public ViewHolder onCreateViewHolder(@NonNull final ViewGroup parent, final int viewType) {
+        return new ViewHolder(DataBindingUtil.inflate(layoutInflater, layoutId, parent, false));
    }

+    @SuppressWarnings("unchecked")
    @Override
-    public boolean hasStableIds() {
-        return true;
+    public void onBindViewHolder(@NonNull final ViewHolder holder, final int position) {
+        holder.binding.setVariable(BR.collection, list);
+        holder.binding.setVariable(BR.key, getKey(position));
+        holder.binding.setVariable(BR.item, getItem(position));
+        holder.binding.executePendingBindings();
+
+        if (rowConfigurationHandler != null) {
+            rowConfigurationHandler.onConfigureRow(holder.binding, getItem(position), position);
+        }
    }

    void setList(final ObservableKeyedList<K, E> newList) {
@@ -88,18 +91,22 @@ class ObservableKeyedListAdapter<K, E extends Keyed<? extends K>> extends BaseAd
        notifyDataSetChanged();
    }

+    void setRowConfigurationHandler(final RowConfigurationHandler rowConfigurationHandler) {
+        this.rowConfigurationHandler = rowConfigurationHandler;
+    }
+
    private static final class OnListChangedCallback<E extends Keyed<?>>
            extends ObservableList.OnListChangedCallback<ObservableList<E>> {

-        private final WeakReference<ObservableKeyedListAdapter<?, E>> weakAdapter;
+        private final WeakReference<ObservableKeyedRecyclerViewAdapter<?, E>> weakAdapter;

-        private OnListChangedCallback(final ObservableKeyedListAdapter<?, E> adapter) {
+        private OnListChangedCallback(final ObservableKeyedRecyclerViewAdapter<?, E> adapter) {
            weakAdapter = new WeakReference<>(adapter);
        }

        @Override
        public void onChanged(final ObservableList<E> sender) {
-            final ObservableKeyedListAdapter adapter = weakAdapter.get();
+            final ObservableKeyedRecyclerViewAdapter adapter = weakAdapter.get();
            if (adapter != null)
                adapter.notifyDataSetChanged();
            else
@@ -130,4 +137,19 @@ class ObservableKeyedListAdapter<K, E extends Keyed<? extends K>> extends BaseAd
            onChanged(sender);
        }
    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        final ViewDataBinding binding;
+
+        public ViewHolder(final ViewDataBinding binding) {
+            super(binding.getRoot());
+
+            this.binding = binding;
+        }
+    }
+
+    public interface RowConfigurationHandler<B extends ViewDataBinding, T> {
+        void onConfigureRow(B binding, T item, int position);
+    }
+
 }
@@ -0,0 +1,141 @@
+/*
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.fragment;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.Fragment;
+import android.support.v7.app.AlertDialog;
+import android.widget.Toast;
+
+import com.wireguard.android.Application;
+import com.wireguard.android.R;
+import com.wireguard.android.activity.BaseActivity;
+import com.wireguard.android.databinding.AppListDialogFragmentBinding;
+import com.wireguard.android.model.ApplicationData;
+import com.wireguard.android.model.Tunnel;
+import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.android.util.ObservableKeyedArrayList;
+import com.wireguard.android.util.ObservableKeyedList;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class AppListDialogFragment extends DialogFragment {
+
+    private static final String KEY_EXCLUDED_APPS = "excludedApps";
+
+    private List<String> currentlyExcludedApps;
+    private final ObservableKeyedList<String, ApplicationData> appData = new ObservableKeyedArrayList<>();
+
+    public static <T extends Fragment & AppExclusionListener> AppListDialogFragment newInstance(final String[] excludedApps, final T target) {
+        final Bundle extras = new Bundle();
+        extras.putStringArray(KEY_EXCLUDED_APPS, excludedApps);
+        final AppListDialogFragment fragment = new AppListDialogFragment();
+        fragment.setTargetFragment(target, 0);
+        fragment.setArguments(extras);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(@Nullable final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        currentlyExcludedApps = Arrays.asList(getArguments().getStringArray(KEY_EXCLUDED_APPS));
+    }
+
+    @Override
+    public void onAttach(final Context context) {
+        super.onAttach(context);
+    }
+
+    @Override
+    public Dialog onCreateDialog(final Bundle savedInstanceState) {
+        final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
+        alertDialogBuilder.setTitle(R.string.excluded_applications);
+
+        AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(getActivity().getLayoutInflater(), null, false);
+        binding.executePendingBindings();
+        alertDialogBuilder.setView(binding.getRoot());
+
+        alertDialogBuilder.setPositiveButton(R.string.set_exclusions, (dialog, which) -> setExclusionsAndDismiss());
+        alertDialogBuilder.setNegativeButton(R.string.cancel, (dialog, which) -> dialog.dismiss());
+        alertDialogBuilder.setNeutralButton(R.string.deselect_all, (dialog, which) -> { });
+
+        binding.setFragment(this);
+        binding.setAppData(appData);
+
+        loadData();
+
+        final AlertDialog dialog = alertDialogBuilder.create();
+        dialog.setOnShowListener(d -> dialog.getButton(DialogInterface.BUTTON_NEUTRAL).setOnClickListener(view -> {
+                for (final ApplicationData app : appData)
+                    app.setExcludedFromTunnel(false);
+        }));
+        return dialog;
+    }
+
+    private void loadData() {
+        final Activity activity = getActivity();
+        if (activity == null) {
+            return;
+        }
+
+        final PackageManager pm = activity.getPackageManager();
+        Application.getAsyncWorker().supplyAsync(() -> {
+            final Intent launcherIntent = new Intent(Intent.ACTION_MAIN, null);
+            launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
+            final List<ResolveInfo> resolveInfos = pm.queryIntentActivities(launcherIntent, 0);
+
+            final List<ApplicationData> appData = new ArrayList<>();
+            for (ResolveInfo resolveInfo : resolveInfos) {
+                String packageName = resolveInfo.activityInfo.packageName;
+                appData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
+            }
+
+            Collections.sort(appData, (lhs, rhs) -> lhs.getName().toLowerCase().compareTo(rhs.getName().toLowerCase()));
+            return appData;
+        }).whenComplete(((data, throwable) -> {
+            if (data != null) {
+                appData.clear();
+                appData.addAll(data);
+            } else {
+                final String error = throwable != null ? ExceptionLoggers.unwrapMessage(throwable) : "Unknown";
+                final String message = activity.getString(R.string.error_fetching_apps, error);
+                Toast.makeText(activity, message, Toast.LENGTH_LONG).show();
+                dismissAllowingStateLoss();
+            }
+        }));
+    }
+
+    void setExclusionsAndDismiss() {
+        final List<String> excludedApps = new ArrayList<>();
+        for (final ApplicationData data : appData) {
+            if (data.isExcludedFromTunnel()) {
+                excludedApps.add(data.getPackageName());
+            }
+        }
+
+        ((AppExclusionListener) getTargetFragment()).onExcludedAppsSelected(excludedApps);
+        dismiss();
+    }
+
+    public interface AppExclusionListener {
+        void onExcludedAppsSelected(List<String> excludedApps);
+    }
+
+}
@@ -1,17 +1,32 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.fragment;

 import android.content.Context;
+import android.content.Intent;
+import android.databinding.DataBindingUtil;
+import android.databinding.ViewDataBinding;
+import android.support.annotation.NonNull;
+import android.support.design.widget.Snackbar;
 import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.View;
+import android.widget.Toast;

+import com.wireguard.android.Application;
+import com.wireguard.android.R;
 import com.wireguard.android.activity.BaseActivity;
 import com.wireguard.android.activity.BaseActivity.OnSelectedTunnelChangedListener;
+import com.wireguard.android.backend.GoBackend;
+import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
+import com.wireguard.android.databinding.TunnelListItemBinding;
 import com.wireguard.android.model.Tunnel;
+import com.wireguard.android.model.Tunnel.State;
+import com.wireguard.android.util.ExceptionLoggers;

 /**
 * Base class for fragments that need to know the currently-selected tunnel. Only does anything when
@@ -19,7 +34,12 @@ import com.wireguard.android.model.Tunnel;
 */

 public abstract class BaseFragment extends Fragment implements OnSelectedTunnelChangedListener {
+    private static final String TAG = "WireGuard/" + BaseFragment.class.getSimpleName();
+    private static final int REQUEST_CODE_VPN_PERMISSION = 23491;
+
    private BaseActivity activity;
+    private Tunnel pendingTunnel;
+    private Boolean pendingTunnelUp;

    protected Tunnel getSelectedTunnel() {
        return activity != null ? activity.getSelectedTunnel() : null;
@@ -44,8 +64,62 @@ public abstract class BaseFragment extends Fragment implements OnSelectedTunnelC
        super.onDetach();
    }

+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if (requestCode == REQUEST_CODE_VPN_PERMISSION) {
+            if (pendingTunnel != null && pendingTunnelUp != null)
+                setTunnelStateWithPermissionsResult(pendingTunnel, pendingTunnelUp);
+            pendingTunnel = null;
+            pendingTunnelUp = null;
+        }
+    }
+
    protected void setSelectedTunnel(final Tunnel tunnel) {
        if (activity != null)
            activity.setSelectedTunnel(tunnel);
    }
+
+    public void setTunnelState(final View view, final boolean checked) {
+        final ViewDataBinding binding = DataBindingUtil.findBinding(view);
+        final Tunnel tunnel;
+        if (binding instanceof TunnelDetailFragmentBinding)
+            tunnel = ((TunnelDetailFragmentBinding) binding).getTunnel();
+        else if (binding instanceof TunnelListItemBinding)
+            tunnel = ((TunnelListItemBinding) binding).getItem();
+        else
+            return;
+
+        Application.onHaveBackend(backend -> {
+            if (backend instanceof GoBackend) {
+                final Intent intent = GoBackend.VpnService.prepare(view.getContext());
+                if (intent != null) {
+                    pendingTunnel = tunnel;
+                    pendingTunnelUp = checked;
+                    startActivityForResult(intent, REQUEST_CODE_VPN_PERMISSION);
+                    return;
+                }
+            }
+
+            setTunnelStateWithPermissionsResult(tunnel, checked);
+        });
+    }
+
+    private void setTunnelStateWithPermissionsResult(@NonNull final Tunnel tunnel, final boolean checked) {
+        tunnel.setState(State.of(checked)).whenComplete((state, throwable) -> {
+            if (throwable == null)
+                return;
+            final String error = ExceptionLoggers.unwrapMessage(throwable);
+            final int messageResId = checked ? R.string.error_up : R.string.error_down;
+            final String message = getContext().getString(messageResId, error);
+            final View view = getView();
+            if (view != null)
+                Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
+            else
+                Toast.makeText(getContext(), message, Toast.LENGTH_LONG).show();
+            Log.e(TAG, message, throwable);
+        });
+    }
+
 }
@@ -1,58 +0,0 @@
-/*
- * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.android.fragment;
-
-import android.content.Context;
-import android.databinding.DataBindingUtil;
-import android.databinding.ViewDataBinding;
-import android.support.design.widget.Snackbar;
-import android.util.Log;
-import android.view.View;
-
-import com.wireguard.android.R;
-import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
-import com.wireguard.android.databinding.TunnelListItemBinding;
-import com.wireguard.android.model.Tunnel;
-import com.wireguard.android.model.Tunnel.State;
-import com.wireguard.android.util.ExceptionLoggers;
-
-/**
- * Helper method shared by TunnelListFragment and TunnelDetailFragment.
- */
-
-public final class TunnelController {
-    private static final String TAG = "WireGuard/" + TunnelController.class.getSimpleName();
-
-    private TunnelController() {
-        // Prevent instantiation.
-    }
-
-    public static void setTunnelState(final View view, final boolean checked) {
-        final ViewDataBinding binding = DataBindingUtil.findBinding(view);
-        final Tunnel tunnel;
-        if (binding instanceof TunnelDetailFragmentBinding)
-            tunnel = ((TunnelDetailFragmentBinding) binding).getTunnel();
-        else if (binding instanceof TunnelListItemBinding)
-            tunnel = ((TunnelListItemBinding) binding).getItem();
-        else
-            tunnel = null;
-        if (tunnel == null) {
-            Log.e(TAG, "setChecked() from a null tunnel", new IllegalStateException("No tunnel"));
-            return;
-        }
-        tunnel.setState(State.of(checked)).whenComplete((state, throwable) -> {
-            if (throwable == null)
-                return;
-            final Context context = view.getContext();
-            final String error = ExceptionLoggers.unwrapMessage(throwable);
-            final int messageResId = checked ? R.string.error_up : R.string.error_down;
-            final String message = context.getString(messageResId, error);
-            Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
-            Log.e(TAG, message, throwable);
-        });
-    }
-}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.fragment;
@@ -69,7 +69,9 @@ public class TunnelDetailFragment extends BaseFragment {

    @Override
    public void onViewStateRestored(final Bundle savedInstanceState) {
+        binding.setFragment(this);
        onSelectedTunnelChanged(null, getSelectedTunnel());
        super.onViewStateRestored(savedInstanceState);
    }
+
 }
@@ -1,16 +1,19 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.fragment;

 import android.app.Activity;
 import android.content.Context;
+import android.databinding.Observable;
+import android.databinding.ObservableList;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.design.widget.Snackbar;
+import android.support.v4.app.FragmentManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -22,18 +25,24 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.Toast;

 import com.wireguard.android.Application;
+import com.wireguard.android.BR;
 import com.wireguard.android.R;
 import com.wireguard.android.databinding.TunnelEditorFragmentBinding;
+import com.wireguard.android.fragment.AppListDialogFragment.AppExclusionListener;
 import com.wireguard.android.model.Tunnel;
 import com.wireguard.android.model.TunnelManager;
 import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.config.Attribute;
 import com.wireguard.config.Config;
+import com.wireguard.config.Peer;
+
+import java.util.List;

 /**
 * Fragment for editing a WireGuard configuration.
 */

-public class TunnelEditorFragment extends BaseFragment {
+public class TunnelEditorFragment extends BaseFragment implements AppExclusionListener {
    private static final String KEY_LOCAL_CONFIG = "local_config";
    private static final String KEY_ORIGINAL_NAME = "original_name";
    private static final String TAG = "WireGuard/" + TunnelEditorFragment.class.getSimpleName();
@@ -74,11 +83,52 @@ public class TunnelEditorFragment extends BaseFragment {
        inflater.inflate(R.menu.config_editor, menu);
    }

+    private final ObservableList.OnListChangedCallback<? extends ObservableList<Peer.Observable>> breakObjectListOrientedLayeringHandler = new ObservableList.OnListChangedCallback<ObservableList<Peer.Observable>>() {
+        @Override
+        public void onChanged(final ObservableList<Peer.Observable> sender) { }
+        @Override
+        public void onItemRangeChanged(final ObservableList<Peer.Observable> sender, final int positionStart, final int itemCount) { }
+        @Override
+        public void onItemRangeMoved(final ObservableList<Peer.Observable> sender, final int fromPosition, final int toPosition, final int itemCount) { }
+
+        @Override
+        public void onItemRangeInserted(final ObservableList<Peer.Observable> sender, final int positionStart, final int itemCount) {
+            breakObjectOrientedLayeringHandler.onPropertyChanged(binding.getConfig(), BR.peers);
+        }
+        @Override
+        public void onItemRangeRemoved(final ObservableList<Peer.Observable> sender, final int positionStart, final int itemCount) {
+            breakObjectOrientedLayeringHandler.onPropertyChanged(binding.getConfig(), BR.peers);
+        }
+    };
+
+    private final Observable.OnPropertyChangedCallback breakObjectOrientedLayeringHandler = new Observable.OnPropertyChangedCallback() {
+        @Override
+        public void onPropertyChanged(final Observable sender, final int propertyId) {
+            final Config.Observable config = binding.getConfig();
+            if (config == null)
+                return;
+            if (propertyId == BR.config) {
+                config.addOnPropertyChangedCallback(breakObjectOrientedLayeringHandler);
+                config.getInterfaceSection().addOnPropertyChangedCallback(breakObjectOrientedLayeringHandler);
+                config.getPeers().addOnListChangedCallback(breakObjectListOrientedLayeringHandler);
+            } else if (propertyId == BR.dnses || propertyId == BR.peers)
+                ;
+            else
+                return;
+            final int numSiblings = config.getPeers().size() - 1;
+            for (final Peer.Observable peer : config.getPeers()) {
+                peer.setInterfaceDNSRoutes(config.getInterfaceSection().getDnses());
+                peer.setNumSiblings(numSiblings);
+            }
+        }
+    };
+
    @Override
    public View onCreateView(@NonNull final LayoutInflater inflater, final ViewGroup container,
                             final Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        binding = TunnelEditorFragmentBinding.inflate(inflater, container, false);
+        binding.addOnPropertyChangedCallback(breakObjectOrientedLayeringHandler);
        binding.executePendingBindings();
        return binding.getRoot();
    }
@@ -202,6 +252,8 @@ public class TunnelEditorFragment extends BaseFragment {

    @Override
    public void onViewStateRestored(final Bundle savedInstanceState) {
+        binding.setFragment(this);
+
        if (savedInstanceState == null) {
            onSelectedTunnelChanged(null, getSelectedTunnel());
        } else {
@@ -216,4 +268,19 @@ public class TunnelEditorFragment extends BaseFragment {

        super.onViewStateRestored(savedInstanceState);
    }
+
+    public void onRequestSetExcludedApplications(@SuppressWarnings("unused") final View view) {
+        final FragmentManager fragmentManager = getFragmentManager();
+        if (fragmentManager != null) {
+            final String[] excludedApps = Attribute.stringToList(binding.getConfig().getInterfaceSection().getExcludedApplications());
+            final AppListDialogFragment fragment = AppListDialogFragment.newInstance(excludedApps, this);
+            fragment.show(getFragmentManager(), null);
+        }
+    }
+
+    @Override
+    public void onExcludedAppsSelected(final List<String> excludedApps) {
+        binding.getConfig().getInterfaceSection().setExcludedApplications(Attribute.iterableToString(excludedApps));
+    }
+
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.fragment;
@@ -16,30 +16,24 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.provider.OpenableColumns;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.view.ActionMode;
 import android.util.Log;
-import android.util.SparseBooleanArray;
-import android.view.ActionMode;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.view.MotionEvent;
 import android.view.View;
-import android.view.View.OnTouchListener;
 import android.view.ViewGroup;
-import android.widget.AbsListView;
-import android.widget.AbsListView.MultiChoiceModeListener;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemClickListener;
-import android.widget.AdapterView.OnItemLongClickListener;

 import com.wireguard.android.Application;
 import com.wireguard.android.R;
 import com.wireguard.android.activity.TunnelCreatorActivity;
+import com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter;
 import com.wireguard.android.databinding.TunnelListFragmentBinding;
+import com.wireguard.android.databinding.TunnelListItemBinding;
 import com.wireguard.android.model.Tunnel;
-import com.wireguard.android.model.TunnelManager;
-import com.wireguard.android.util.AsyncWorker;
 import com.wireguard.android.util.ExceptionLoggers;
 import com.wireguard.config.Config;

@@ -49,13 +43,12 @@ import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;

 import java9.util.concurrent.CompletableFuture;
-import java9.util.stream.Collectors;
-import java9.util.stream.IntStream;
 import java9.util.stream.StreamSupport;

 /**
@@ -66,8 +59,7 @@ public class TunnelListFragment extends BaseFragment {
    private static final int REQUEST_IMPORT = 1;
    private static final String TAG = "WireGuard/" + TunnelListFragment.class.getSimpleName();

-    private final MultiChoiceModeListener actionModeListener = new ActionModeListener();
-    private final ListViewCallbacks listViewCallbacks = new ListViewCallbacks();
+    private final ActionModeListener actionModeListener = new ActionModeListener();
    private ActionMode actionMode;
    private TunnelListFragmentBinding binding;

@@ -184,20 +176,19 @@ public class TunnelListFragment extends BaseFragment {
        }
    }

-    @Override
-    public void onCreate(final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
+    @SuppressLint("ClickableViewAccessibility")
    @Override
    public View onCreateView(@NonNull final LayoutInflater inflater, final ViewGroup container,
                             final Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        binding = TunnelListFragmentBinding.inflate(inflater, container, false);
-        binding.tunnelList.setMultiChoiceModeListener(actionModeListener);
-        binding.tunnelList.setOnItemClickListener(listViewCallbacks);
-        binding.tunnelList.setOnItemLongClickListener(listViewCallbacks);
-        binding.tunnelList.setOnTouchListener(listViewCallbacks);
+
+        binding.tunnelList.setOnTouchListener((view, motionEvent) -> {
+            if (binding != null) {
+                binding.createMenu.collapse();
+            }
+            return false;
+        });
        binding.executePendingBindings();
        return binding.getRoot();
    }
@@ -278,35 +269,53 @@ public class TunnelListFragment extends BaseFragment {
        super.onViewStateRestored(savedInstanceState);
        binding.setFragment(this);
        binding.setTunnels(Application.getTunnelManager().getTunnels());
+        binding.setRowConfigurationHandler((ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler<TunnelListItemBinding, Tunnel>) (binding, tunnel, position) -> {
+            binding.setFragment(this);
+            binding.getRoot().setOnClickListener(clicked -> {
+                if (actionMode == null) {
+                    setSelectedTunnel(tunnel);
+                } else {
+                    actionModeListener.toggleItemChecked(position);
+                }
+            });
+            binding.getRoot().setOnLongClickListener(clicked -> {
+                actionModeListener.toggleItemChecked(position);
+                return true;
+            });
+
+            binding.getRoot().setActivated(actionModeListener.checkedItems.contains(position));
+        });
    }

-    private final class ActionModeListener implements MultiChoiceModeListener {
-        private Resources resources;
-        private AbsListView tunnelList;
+    private final class ActionModeListener implements ActionMode.Callback {
+        private final Collection<Integer> checkedItems = new HashSet<>();

-        private IntStream getCheckedPositions() {
-            final SparseBooleanArray checkedItemPositions = tunnelList.getCheckedItemPositions();
-            return IntStream.range(0, checkedItemPositions.size())
-                    .filter(checkedItemPositions::valueAt)
-                    .map(checkedItemPositions::keyAt);
-        }
+        private Resources resources;

        @Override
        public boolean onActionItemClicked(final ActionMode mode, final MenuItem item) {
            switch (item.getItemId()) {
                case R.id.menu_action_delete:
-                    // Must operate in two steps: positions change once we start deleting things.
-                    final List<Tunnel> tunnelsToDelete = getCheckedPositions()
-                            .mapToObj(pos -> (Tunnel) tunnelList.getItemAtPosition(pos))
-                            .collect(Collectors.toList());
+                    final Collection<Tunnel> tunnelsToDelete = new ArrayList<>();
+                    for (final Integer position : checkedItems) {
+                        tunnelsToDelete.add(Application.getTunnelManager().getTunnels().get(position));
+                    }
+
                    final CompletableFuture[] futures = StreamSupport.stream(tunnelsToDelete)
                            .map(Tunnel::delete)
                            .toArray(CompletableFuture[]::new);
                    CompletableFuture.allOf(futures)
                            .thenApply(x -> futures.length)
                            .whenComplete(TunnelListFragment.this::onTunnelDeletionFinished);
+
+                    checkedItems.clear();
                    mode.finish();
                    return true;
+                case R.id.menu_action_select_all:
+                    for (int i = 0; i < Application.getTunnelManager().getTunnels().size(); ++i) {
+                        setItemChecked(i, true);
+                    }
+                    return true;
                default:
                    return false;
            }
@@ -315,9 +324,9 @@ public class TunnelListFragment extends BaseFragment {
        @Override
        public boolean onCreateActionMode(final ActionMode mode, final Menu menu) {
            actionMode = mode;
-            if (getActivity() != null)
+            if (getActivity() != null) {
                resources = getActivity().getResources();
-            tunnelList = binding.tunnelList;
+            }
            mode.getMenuInflater().inflate(R.menu.tunnel_list_action_mode, menu);
            return true;
        }
@@ -326,12 +335,31 @@ public class TunnelListFragment extends BaseFragment {
        public void onDestroyActionMode(final ActionMode mode) {
            actionMode = null;
            resources = null;
+
+            checkedItems.clear();
+            binding.tunnelList.getAdapter().notifyDataSetChanged();
        }

-        @Override
-        public void onItemCheckedStateChanged(final ActionMode mode, final int position,
-                                              final long id, final boolean checked) {
-            updateTitle(mode);
+        void toggleItemChecked(final int position) {
+            setItemChecked(position, !checkedItems.contains(position));
+        }
+
+        void setItemChecked(final int position, final boolean checked) {
+            if (checked) {
+                checkedItems.add(position);
+            } else {
+                checkedItems.remove(position);
+            }
+
+            if (actionMode == null && !checkedItems.isEmpty() && getActivity() != null) {
+                ((AppCompatActivity) getActivity()).startSupportActionMode(this);
+            } else if (actionMode != null && checkedItems.isEmpty()) {
+                actionMode.finish();
+            }
+
+            binding.tunnelList.getAdapter().notifyItemChanged(position);
+
+            updateTitle(actionMode);
        }

        @Override
@@ -340,8 +368,12 @@ public class TunnelListFragment extends BaseFragment {
            return false;
        }

-        private void updateTitle(final ActionMode mode) {
-            final int count = (int) getCheckedPositions().count();
+        private void updateTitle(@Nullable final ActionMode mode) {
+            if (mode == null) {
+                return;
+            }
+
+            final int count = checkedItems.size();
            if (count == 0) {
                mode.setTitle("");
            } else {
@@ -350,30 +382,4 @@ public class TunnelListFragment extends BaseFragment {
        }
    }

-    private final class ListViewCallbacks
-            implements OnItemClickListener, OnItemLongClickListener, OnTouchListener {
-        @Override
-        public void onItemClick(final AdapterView<?> parent, final View view,
-                                final int position, final long id) {
-            setSelectedTunnel((Tunnel) parent.getItemAtPosition(position));
-        }
-
-        @Override
-        public boolean onItemLongClick(final AdapterView<?> parent, final View view,
-                                       final int position, final long id) {
-            if (actionMode != null)
-                return false;
-            if (binding != null)
-                binding.tunnelList.setItemChecked(position, true);
-            return true;
-        }
-
-        @Override
-        @SuppressLint("ClickableViewAccessibility")
-        public boolean onTouch(final View view, final MotionEvent motionEvent) {
-            if (binding != null)
-                binding.createMenu.collapse();
-            return false;
-        }
-    }
 }
@@ -0,0 +1,60 @@
+/*
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.model;
+
+import android.databinding.BaseObservable;
+import android.databinding.Bindable;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+
+import com.wireguard.android.BR;
+import com.wireguard.util.Keyed;
+
+public class ApplicationData extends BaseObservable implements Keyed<String> {
+
+    @NonNull private final Drawable icon;
+    @NonNull private final String name;
+    @NonNull private final String packageName;
+    private boolean excludedFromTunnel;
+
+    public ApplicationData(@NonNull final Drawable icon, @NonNull final String name, @NonNull final String packageName, final boolean excludedFromTunnel) {
+        this.icon = icon;
+        this.name = name;
+        this.packageName = packageName;
+        this.excludedFromTunnel = excludedFromTunnel;
+    }
+
+    @NonNull
+    public Drawable getIcon() {
+        return icon;
+    }
+
+    @NonNull
+    public String getName() {
+        return name;
+    }
+
+    @NonNull
+    public String getPackageName() {
+        return packageName;
+    }
+
+    @Bindable
+    public boolean isExcludedFromTunnel() {
+        return excludedFromTunnel;
+    }
+
+    public void setExcludedFromTunnel(final boolean excludedFromTunnel) {
+        this.excludedFromTunnel = excludedFromTunnel;
+        notifyPropertyChanged(BR.excludedFromTunnel);
+    }
+
+    @Override
+    public String getKey() {
+        return name;
+    }
+}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.model;
@@ -13,7 +13,7 @@ import android.support.annotation.Nullable;

 import com.wireguard.android.BR;
 import com.wireguard.android.util.ExceptionLoggers;
-import com.wireguard.android.util.Keyed;
+import com.wireguard.util.Keyed;
 import com.wireguard.config.Config;

 import java.util.regex.Pattern;
@@ -80,21 +80,21 @@ public class Tunnel extends BaseObservable implements Keyed<String> {
    }

    public CompletionStage<State> getStateAsync() {
-        return manager.getTunnelState(this);
+        return TunnelManager.getTunnelState(this);
    }

    @Bindable
    public Statistics getStatistics() {
        // FIXME: Check age of statistics.
        if (statistics == null)
-            manager.getTunnelStatistics(this).whenComplete(ExceptionLoggers.E);
+            TunnelManager.getTunnelStatistics(this).whenComplete(ExceptionLoggers.E);
        return statistics;
    }

    public CompletionStage<Statistics> getStatisticsAsync() {
        // FIXME: Check age of statistics.
        if (statistics == null)
-            return manager.getTunnelStatistics(this);
+            return TunnelManager.getTunnelStatistics(this);
        return CompletableFuture.completedFuture(statistics);
    }

@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.model;
@@ -15,7 +15,6 @@ import android.support.annotation.NonNull;

 import com.wireguard.android.Application;
 import com.wireguard.android.BR;
-import com.wireguard.android.backend.Backend;
 import com.wireguard.android.configStore.ConfigStore;
 import com.wireguard.android.model.Tunnel.State;
 import com.wireguard.android.model.Tunnel.Statistics;
@@ -47,7 +46,6 @@ public final class TunnelManager extends BaseObservable {
    private static final String KEY_RESTORE_ON_BOOT = "restore_on_boot";
    private static final String KEY_RUNNING_TUNNELS = "enabled_configs";

-    private final Backend backend;
    private final ConfigStore configStore;
    private final ObservableSortedKeyedList<String, Tunnel> tunnels =
            new ObservableSortedKeyedArrayList<>(COMPARATOR);
@@ -55,8 +53,7 @@ public final class TunnelManager extends BaseObservable {
    private boolean haveLoaded;
    private final ArrayList<CompletableFuture<Void>> delayedLoadRestoreTunnels = new ArrayList<>();

-    public TunnelManager(final Backend backend, final ConfigStore configStore) {
-        this.backend = backend;
+    public TunnelManager(final ConfigStore configStore) {
        this.configStore = configStore;
    }

@@ -86,12 +83,12 @@ public final class TunnelManager extends BaseObservable {
        tunnels.remove(tunnel);
        return Application.getAsyncWorker().runAsync(() -> {
            if (originalState == State.UP)
-                backend.setState(tunnel, State.DOWN);
+                Application.getBackend().setState(tunnel, State.DOWN);
            try {
                configStore.delete(tunnel.getName());
            } catch (final Exception e) {
                if (originalState == State.UP)
-                    backend.setState(tunnel, State.UP);
+                    Application.getBackend().setState(tunnel, State.UP);
                // Re-throw the exception to fail the completion.
                throw e;
            }
@@ -115,13 +112,13 @@ public final class TunnelManager extends BaseObservable {
                .thenApply(tunnel::onConfigChanged);
    }

-    CompletionStage<State> getTunnelState(final Tunnel tunnel) {
-        return Application.getAsyncWorker().supplyAsync(() -> backend.getState(tunnel))
+    static CompletionStage<State> getTunnelState(final Tunnel tunnel) {
+        return Application.getAsyncWorker().supplyAsync(() -> Application.getBackend().getState(tunnel))
                .thenApply(tunnel::onStateChanged);
    }

-    CompletionStage<Statistics> getTunnelStatistics(final Tunnel tunnel) {
-        return Application.getAsyncWorker().supplyAsync(() -> backend.getStatistics(tunnel))
+    static CompletionStage<Statistics> getTunnelStatistics(final Tunnel tunnel) {
+        return Application.getAsyncWorker().supplyAsync(() -> Application.getBackend().getStatistics(tunnel))
                .thenApply(tunnel::onStatisticsChanged);
    }

@@ -131,7 +128,7 @@ public final class TunnelManager extends BaseObservable {

    public void onCreate() {
        Application.getAsyncWorker().supplyAsync(configStore::enumerate)
-                .thenAcceptBoth(Application.getAsyncWorker().supplyAsync(backend::enumerate), this::onTunnelsLoaded)
+                .thenAcceptBoth(Application.getAsyncWorker().supplyAsync(() -> Application.getBackend().enumerate()), this::onTunnelsLoaded)
                .whenComplete(ExceptionLoggers.E);
    }

@@ -159,7 +156,7 @@ public final class TunnelManager extends BaseObservable {
    }

    public void refreshTunnelStates() {
-        Application.getAsyncWorker().supplyAsync(backend::enumerate)
+        Application.getAsyncWorker().supplyAsync(() -> Application.getBackend().enumerate())
                .thenAccept(running -> {
                    for (final Tunnel tunnel : tunnels)
                        tunnel.onStateChanged(running.contains(tunnel.getName()) ? State.UP : State.DOWN);
@@ -207,7 +204,7 @@ public final class TunnelManager extends BaseObservable {

    CompletionStage<Config> setTunnelConfig(final Tunnel tunnel, final Config config) {
        return Application.getAsyncWorker().supplyAsync(() -> {
-            final Config appliedConfig = backend.applyConfig(tunnel, config);
+            final Config appliedConfig = Application.getBackend().applyConfig(tunnel, config);
            return configStore.save(tunnel.getName(), appliedConfig);
        }).thenApply(tunnel::onConfigChanged);
    }
@@ -227,11 +224,11 @@ public final class TunnelManager extends BaseObservable {
        tunnels.remove(tunnel);
        return Application.getAsyncWorker().supplyAsync(() -> {
            if (originalState == State.UP)
-                backend.setState(tunnel, State.DOWN);
+                Application.getBackend().setState(tunnel, State.DOWN);
            configStore.rename(tunnel.getName(), name);
            final String newName = tunnel.onNameChanged(name);
            if (originalState == State.UP)
-                backend.setState(tunnel, State.UP);
+                Application.getBackend().setState(tunnel, State.UP);
            return newName;
        }).whenComplete((newName, e) -> {
            // On failure, we don't know what state the tunnel might be in. Fix that.
@@ -247,7 +244,7 @@ public final class TunnelManager extends BaseObservable {
    CompletionStage<State> setTunnelState(final Tunnel tunnel, final State state) {
        // Ensure the configuration is loaded before trying to use it.
        return tunnel.getConfigAsync().thenCompose(x ->
-                Application.getAsyncWorker().supplyAsync(() -> backend.setState(tunnel, state))
+                Application.getAsyncWorker().supplyAsync(() -> Application.getBackend().setState(tunnel, state))
        ).whenComplete((newState, e) -> {
            // Ensure onStateChanged is always called (failure or not), and with the correct state.
            tunnel.onStateChanged(e == null ? newState : tunnel.getState());
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.preference;
@@ -14,12 +14,11 @@ import android.support.design.widget.Snackbar;
 import android.support.v7.preference.Preference;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.ContextThemeWrapper;

 import com.wireguard.android.Application;
 import com.wireguard.android.R;
-import com.wireguard.android.activity.SettingsActivity;
 import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.android.util.FragmentUtils;

 import java.io.BufferedReader;
 import java.io.File;
@@ -40,16 +39,6 @@ public class LogExporterPreference extends Preference {
        super(context, attrs);
    }

-    private static SettingsActivity getPrefActivity(final Preference preference) {
-        final Context context = preference.getContext();
-        if (context instanceof ContextThemeWrapper) {
-            if (((ContextThemeWrapper) context).getBaseContext() instanceof SettingsActivity) {
-                return ((SettingsActivity) ((ContextThemeWrapper) context).getBaseContext());
-            }
-        }
-        return null;
-    }
-
    private void exportLog() {
        Application.getAsyncWorker().supplyAsync(() -> {
            final File path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
@@ -90,7 +79,7 @@ public class LogExporterPreference extends Preference {
            final String message = getContext().getString(R.string.log_export_error, error);
            Log.e(TAG, message, throwable);
            Snackbar.make(
-                    getPrefActivity(this).findViewById(android.R.id.content),
+                    FragmentUtils.getPrefActivity(this).findViewById(android.R.id.content),
                    message, Snackbar.LENGTH_LONG).show();
            setEnabled(true);
        } else {
@@ -113,7 +102,7 @@ public class LogExporterPreference extends Preference {

    @Override
    protected void onClick() {
-        getPrefActivity(this).ensurePermissions(
+        FragmentUtils.getPrefActivity(this).ensurePermissions(
                new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
                (permissions, granted) -> {
                    if (granted.length > 0 && granted[0] == PackageManager.PERMISSION_GRANTED) {
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.preference;
@@ -9,11 +9,11 @@ package com.wireguard.android.preference;
 import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.v7.preference.Preference;
-import android.system.OsConstants;
 import android.util.AttributeSet;

 import com.wireguard.android.Application;
 import com.wireguard.android.R;
+import com.wireguard.android.util.ToolsInstaller;

 /**
 * Preference implementing a button that asynchronously runs {@code ToolsInstaller} and displays the
@@ -43,28 +43,34 @@ public class ToolsInstallerPreference extends Preference {
        Application.getAsyncWorker().supplyAsync(Application.getToolsInstaller()::areInstalled).whenComplete(this::onCheckResult);
    }

-    private void onCheckResult(final Integer result, final Throwable throwable) {
-        setState(throwable == null && result == OsConstants.EALREADY ?
-                State.ALREADY : initialState());
+    private void onCheckResult(final int state, final Throwable throwable) {
+        if (throwable != null || state == ToolsInstaller.ERROR)
+            setState(State.INITIAL);
+        else if ((state & ToolsInstaller.YES) == ToolsInstaller.YES)
+            setState(State.ALREADY);
+        else if ((state & (ToolsInstaller.MAGISK | ToolsInstaller.NO)) == (ToolsInstaller.MAGISK | ToolsInstaller.NO))
+            setState(State.INITIAL_MAGISK);
+        else if ((state & (ToolsInstaller.SYSTEM | ToolsInstaller.NO)) == (ToolsInstaller.SYSTEM | ToolsInstaller.NO))
+            setState(State.INITIAL_SYSTEM);
+        else
+            setState(State.INITIAL);
    }

    @Override
    protected void onClick() {
-        setState(workingState());
+        setState(State.WORKING);
        Application.getAsyncWorker().supplyAsync(Application.getToolsInstaller()::install).whenComplete(this::onInstallResult);
    }

    private void onInstallResult(final Integer result, final Throwable throwable) {
-        final State nextState;
        if (throwable != null)
-            nextState = State.FAILURE;
-        else if (result == OsConstants.EXIT_SUCCESS)
-            nextState = successState();
-        else if (result == OsConstants.EALREADY)
-            nextState = State.ALREADY;
+            setState(State.FAILURE);
+        else if ((result & (ToolsInstaller.YES | ToolsInstaller.MAGISK)) == (ToolsInstaller.YES | ToolsInstaller.MAGISK))
+            setState(State.SUCCESS_MAGISK);
+        else if ((result & (ToolsInstaller.YES | ToolsInstaller.SYSTEM)) == (ToolsInstaller.YES | ToolsInstaller.SYSTEM))
+            setState(State.SUCCESS_SYSTEM);
        else
-            nextState = State.FAILURE;
-        setState(nextState);
+            setState(State.FAILURE);
    }

    private void setState(@NonNull final State state) {
@@ -76,26 +82,15 @@ public class ToolsInstallerPreference extends Preference {
        notifyChanged();
    }

-    private State initialState() {
-        return Application.getToolsInstaller().willInstallAsMagiskModule(false) ? State.INITIAL_MAGISK : State.INITIAL_SYSTEM;
-    }
-    private State workingState() {
-        return Application.getToolsInstaller().willInstallAsMagiskModule(false) ? State.WORKING_MAGISK : State.WORKING_SYSTEM;
-    }
-    private State successState() {
-        return Application.getToolsInstaller().willInstallAsMagiskModule(false) ? State.SUCCESS_MAGISK : State.SUCCESS_SYSTEM;
-    }
-
    private enum State {
        INITIAL(R.string.tools_installer_initial, true),
        ALREADY(R.string.tools_installer_already, false),
        FAILURE(R.string.tools_installer_failure, true),
+        WORKING(R.string.tools_installer_working, false),
        INITIAL_SYSTEM(R.string.tools_installer_initial_system, true),
        SUCCESS_SYSTEM(R.string.tools_installer_success_system, false),
-        WORKING_SYSTEM(R.string.tools_installer_working_system, false),
        INITIAL_MAGISK(R.string.tools_installer_initial_magisk, true),
-        SUCCESS_MAGISK(R.string.tools_installer_success_magisk, false),
-        WORKING_MAGISK(R.string.tools_installer_working_magisk, false);
+        SUCCESS_MAGISK(R.string.tools_installer_success_magisk, false);

        private final int messageResourceId;
        private final boolean shouldEnableView;
@@ -1,10 +1,11 @@
 /*
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.preference;

+import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
@@ -14,12 +15,6 @@ import android.util.AttributeSet;
 import com.wireguard.android.Application;
 import com.wireguard.android.BuildConfig;
 import com.wireguard.android.R;
-import com.wireguard.android.backend.Backend;
-import com.wireguard.android.backend.GoBackend;
-import com.wireguard.android.backend.WgQuickBackend;
-
-import java.util.ArrayList;
-import java.util.List;

 public class VersionPreference extends Preference {
    private String versionSummary;
@@ -27,13 +22,14 @@ public class VersionPreference extends Preference {
    public VersionPreference(final Context context, final AttributeSet attrs) {
        super(context, attrs);

-        final Backend backend = Application.getBackend();
-        versionSummary = getContext().getString(R.string.version_summary_checking, backend.getTypeName().toLowerCase());
-        Application.getAsyncWorker().supplyAsync(backend::getVersion).whenComplete((version, exception) -> {
-            versionSummary = exception == null
-                    ? getContext().getString(R.string.version_summary, backend.getTypeName(), version)
-                    : getContext().getString(R.string.version_summary_unknown, backend.getTypeName().toLowerCase());
-            notifyChanged();
+        Application.onHaveBackend(backend -> {
+            versionSummary = getContext().getString(R.string.version_summary_checking, backend.getTypeName().toLowerCase());
+            Application.getAsyncWorker().supplyAsync(backend::getVersion).whenComplete((version, exception) -> {
+                versionSummary = exception == null
+                        ? getContext().getString(R.string.version_summary, backend.getTypeName(), version)
+                        : getContext().getString(R.string.version_summary_unknown, backend.getTypeName().toLowerCase());
+                notifyChanged();
+            });
        });
    }

@@ -51,7 +47,9 @@ public class VersionPreference extends Preference {
    protected void onClick() {
        final Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setData(Uri.parse("https://www.wireguard.com/"));
-        getContext().startActivity(intent);
+        try {
+            getContext().startActivity(intent);
+        } catch (final ActivityNotFoundException ignored) { }
    }

 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.preference;
@@ -14,13 +14,12 @@ import android.support.design.widget.Snackbar;
 import android.support.v7.preference.Preference;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.ContextThemeWrapper;

 import com.wireguard.android.Application;
 import com.wireguard.android.R;
-import com.wireguard.android.activity.SettingsActivity;
 import com.wireguard.android.model.Tunnel;
 import com.wireguard.android.util.ExceptionLoggers;
+import com.wireguard.android.util.FragmentUtils;
 import com.wireguard.config.Config;

 import java.io.File;
@@ -47,16 +46,6 @@ public class ZipExporterPreference extends Preference {
        super(context, attrs);
    }

-    private static SettingsActivity getPrefActivity(final Preference preference) {
-        final Context context = preference.getContext();
-        if (context instanceof ContextThemeWrapper) {
-            if (((ContextThemeWrapper) context).getBaseContext() instanceof SettingsActivity) {
-                return ((SettingsActivity) ((ContextThemeWrapper) context).getBaseContext());
-            }
-        }
-        return null;
-    }
-
    private void exportZip() {
        final List<Tunnel> tunnels = new ArrayList<>(Application.getTunnelManager().getTunnels());
        final List<CompletableFuture<Config>> futureConfigs = new ArrayList<>(tunnels.size());
@@ -96,7 +85,7 @@ public class ZipExporterPreference extends Preference {
            final String message = getContext().getString(R.string.zip_export_error, error);
            Log.e(TAG, message, throwable);
            Snackbar.make(
-                    getPrefActivity(this).findViewById(android.R.id.content),
+                    FragmentUtils.getPrefActivity(this).findViewById(android.R.id.content),
                    message, Snackbar.LENGTH_LONG).show();
            setEnabled(true);
        } else {
@@ -119,7 +108,7 @@ public class ZipExporterPreference extends Preference {

    @Override
    protected void onClick() {
-        getPrefActivity(this).ensurePermissions(
+        FragmentUtils.getPrefActivity(this).ensurePermissions(
                new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
                (permissions, granted) -> {
                    if (granted.length > 0 && granted[0] == PackageManager.PERMISSION_GRANTED) {
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -0,0 +1,25 @@
+/*
+ * Copyright © 2018 Harsh Shandilya <msfjarvis@gmail.com>
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package com.wireguard.android.util;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.view.ContextThemeWrapper;
+
+import com.wireguard.android.activity.SettingsActivity;
+
+public class FragmentUtils {
+
+    public static SettingsActivity getPrefActivity(final Preference preference) {
+        final Context context = preference.getContext();
+        if (context instanceof ContextThemeWrapper) {
+            if (((ContextThemeWrapper) context).getBaseContext() instanceof SettingsActivity) {
+                return ((SettingsActivity) ((ContextThemeWrapper) context).getBaseContext());
+            }
+        }
+        return null;
+    }
+}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -9,6 +9,8 @@ package com.wireguard.android.util;
 import android.databinding.ObservableArrayList;
 import android.support.annotation.NonNull;

+import com.wireguard.util.Keyed;
+
 import java.util.Collection;
 import java.util.ListIterator;
 import java.util.Objects;
@@ -1,13 +1,16 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;

 import android.databinding.ObservableList;

+import com.wireguard.util.Keyed;
+import com.wireguard.util.KeyedList;
+
 /**
 * A list that is both keyed and observable.
 */
@@ -1,13 +1,16 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;

 import android.support.annotation.NonNull;

+import com.wireguard.util.Keyed;
+import com.wireguard.util.SortedKeyedList;
+
 import java.util.AbstractList;
 import java.util.Collection;
 import java.util.Collections;
@@ -1,11 +1,14 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;

+import com.wireguard.util.Keyed;
+import com.wireguard.util.SortedKeyedList;
+
 /**
 * A list that is both sorted/keyed and observable.
 */
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -1,6 +1,6 @@
 /*
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -13,8 +13,8 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.zip.ZipFile;
 import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;

 public final class SharedLibraryLoader {
    private static final String TAG = "WireGuard/" + SharedLibraryLoader.class.getSimpleName();
@@ -27,7 +27,7 @@ public final class SharedLibraryLoader {
        try {
            System.loadLibrary(libName);
            return;
-        } catch (UnsatisfiedLinkError e) {
+        } catch (final UnsatisfiedLinkError e) {
            Log.d(TAG, "Failed to load library normally, so attempting to extract from apk", e);
            noAbiException = e;
        }
@@ -59,7 +59,7 @@ public final class SharedLibraryLoader {
                }
                System.load(f.getAbsolutePath());
                return;
-            } catch (Exception e) {
+            } catch (final Exception e) {
                Log.d(TAG, "Failed to load library apk:/" + libZipPath, e);
                noAbiException = e;
            } finally {
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.util;
@@ -25,6 +25,12 @@ import java.util.List;
 */

 public final class ToolsInstaller {
+    public static final int ERROR = 0x0;
+    public static final int YES = 0x1;
+    public static final int NO = 0x2;
+    public static final int MAGISK = 0x4;
+    public static final int SYSTEM = 0x8;
+
    private static final String[][] EXECUTABLES = {
            {"libwg.so", "wg"},
            {"libwg-quick.so", "wg-quick"},
@@ -60,9 +66,8 @@ public final class ToolsInstaller {
    }

    public int areInstalled() throws NoRootException {
-        willInstallAsMagiskModule(true);
        if (INSTALL_DIR == null)
-            return OsConstants.ENOENT;
+            return ERROR;
        final StringBuilder script = new StringBuilder();
        for (final String[] names : EXECUTABLES) {
            script.append(String.format("cmp -s '%s' '%s' && ",
@@ -71,9 +76,13 @@ public final class ToolsInstaller {
        }
        script.append("exit ").append(OsConstants.EALREADY).append(';');
        try {
-            return Application.getRootShell().run(null, script.toString());
+            final int ret = Application.getRootShell().run(null, script.toString());
+            if (ret == OsConstants.EALREADY)
+                return willInstallAsMagiskModule() ? YES | MAGISK : YES | SYSTEM;
+            else
+                return willInstallAsMagiskModule() ? NO | MAGISK : NO | SYSTEM;
        } catch (final IOException ignored) {
-            return OsConstants.EXIT_FAILURE;
+            return ERROR;
        }
    }

@@ -97,11 +106,9 @@ public final class ToolsInstaller {
        }
    }

-    public boolean willInstallAsMagiskModule(boolean checkForIt) {
+    private boolean willInstallAsMagiskModule() {
        synchronized (lock) {
            if (installAsMagiskModule == null) {
-                if (!checkForIt)
-                    throw new RuntimeException("Expected to already know whether this is a Magisk system");
                try {
                    installAsMagiskModule = Application.getRootShell().run(null, "[ -d /sbin/.core/mirror -a -d /sbin/.core/img -a ! -f /cache/.disable_magisk ]") == OsConstants.EXIT_SUCCESS;
                } catch (final Exception ignored) {
@@ -123,9 +130,9 @@ public final class ToolsInstaller {
                    new File(nativeLibraryDir, names[0]), destination, destination, destination));
        }
        try {
-            return Application.getRootShell().run(null, script.toString());
+            return Application.getRootShell().run(null, script.toString()) == 0 ? YES | SYSTEM : ERROR;
        } catch (final IOException ignored) {
-            return OsConstants.EXIT_FAILURE;
+            return ERROR;
        }
    }

@@ -144,14 +151,14 @@ public final class ToolsInstaller {
        script.append("trap - INT TERM EXIT;");

        try {
-            return Application.getRootShell().run(null, script.toString());
+            return Application.getRootShell().run(null, script.toString()) == 0 ? YES | MAGISK : ERROR;
        } catch (final IOException ignored) {
-            return OsConstants.EXIT_FAILURE;
+            return ERROR;
        }
    }

    public int install() throws NoRootException {
-        return willInstallAsMagiskModule(true) ? installMagisk() : installSystem();
+        return willInstallAsMagiskModule() ? installMagisk() : installSystem();
    }

    public int symlink() throws NoRootException {
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.widget;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.widget;
@@ -0,0 +1,238 @@
+/*
+ * Copyright © 2018 The Android Open Source Project
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.widget;
+
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
+import android.annotation.TargetApi;
+import android.content.res.ColorStateList;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.Path.Direction;
+import android.graphics.PixelFormat;
+import android.graphics.PorterDuff.Mode;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.Region;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.support.annotation.ColorInt;
+import android.support.annotation.IntRange;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.FloatProperty;
+
+
+@TargetApi(Build.VERSION_CODES.N)
+public class SlashDrawable extends Drawable {
+
+    private static final float CORNER_RADIUS = Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? 0f : 1f;
+    private static final long QS_ANIM_LENGTH = 350;
+
+    private final Path mPath = new Path();
+    private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+
+    // These values are derived in un-rotated (vertical) orientation
+    private static final float SLASH_WIDTH = 1.8384776f;
+    private static final float SLASH_HEIGHT = 28f;
+    private static final float CENTER_X = 10.65f;
+    private static final float CENTER_Y = 11.869239f;
+    private static final float SCALE = 24f;
+
+    // Bottom is derived during animation
+    private static final float LEFT = (CENTER_X - (SLASH_WIDTH / 2)) / SCALE;
+    private static final float TOP = (CENTER_Y - (SLASH_HEIGHT / 2)) / SCALE;
+    private static final float RIGHT = (CENTER_X + (SLASH_WIDTH / 2)) / SCALE;
+    // Draw the slash washington-monument style; rotate to no-u-turn style
+    private static final float DEFAULT_ROTATION = -45f;
+
+    private Drawable mDrawable;
+    private final RectF mSlashRect = new RectF(0, 0, 0, 0);
+    private float mRotation;
+    private boolean mSlashed;
+    private Mode mTintMode;
+    private ColorStateList mTintList;
+    private boolean mAnimationEnabled = true;
+
+    public SlashDrawable(final Drawable d) {
+        setDrawable(d);
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        return mDrawable != null ? mDrawable.getIntrinsicHeight(): 0;
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        return mDrawable != null ? mDrawable.getIntrinsicWidth(): 0;
+    }
+
+    @Override
+    protected void onBoundsChange(final Rect bounds) {
+        super.onBoundsChange(bounds);
+        mDrawable.setBounds(bounds);
+    }
+
+    public void setDrawable(final Drawable d) {
+        mDrawable = d;
+        mDrawable.setCallback(getCallback());
+        mDrawable.setBounds(getBounds());
+        if (mTintMode != null)
+            mDrawable.setTintMode(mTintMode);
+        if (mTintList != null)
+            mDrawable.setTintList(mTintList);
+        invalidateSelf();
+    }
+
+    public void setRotation(final float rotation) {
+        if (mRotation == rotation)
+            return;
+        mRotation = rotation;
+        invalidateSelf();
+    }
+
+    public void setAnimationEnabled(final boolean enabled) {
+        mAnimationEnabled = enabled;
+    }
+
+    // Animate this value on change
+    private float mCurrentSlashLength;
+    private static final FloatProperty mSlashLengthProp = new FloatProperty<SlashDrawable>("slashLength") {
+        @Override
+        public void setValue(final SlashDrawable object, final float value) {
+            object.mCurrentSlashLength = value;
+        }
+
+        @Override
+        public Float get(final SlashDrawable object) {
+            return object.mCurrentSlashLength;
+        }
+    };
+
+    @SuppressWarnings("unchecked")
+    public void setSlashed(final boolean slashed) {
+        if (mSlashed == slashed) return;
+
+        mSlashed = slashed;
+
+        final float end = mSlashed ? SLASH_HEIGHT / SCALE : 0f;
+        final float start = mSlashed ? 0f : SLASH_HEIGHT / SCALE;
+
+        if (mAnimationEnabled) {
+            final ObjectAnimator anim = ObjectAnimator.ofFloat(this, mSlashLengthProp, start, end);
+            anim.addUpdateListener((ValueAnimator valueAnimator) -> invalidateSelf());
+            anim.setDuration(QS_ANIM_LENGTH);
+            anim.start();
+        } else {
+            mCurrentSlashLength = end;
+            invalidateSelf();
+        }
+    }
+
+    @SuppressWarnings("deprecation")
+    @Override
+    public void draw(@NonNull final Canvas canvas) {
+        canvas.save();
+        final Matrix m = new Matrix();
+        final int width = getBounds().width();
+        final int height = getBounds().height();
+        final float radiusX = scale(CORNER_RADIUS, width);
+        final float radiusY = scale(CORNER_RADIUS, height);
+        updateRect(
+                scale(LEFT, width),
+                scale(TOP, height),
+                scale(RIGHT, width),
+                scale(TOP + mCurrentSlashLength, height)
+        );
+
+        mPath.reset();
+        // Draw the slash vertically
+        mPath.addRoundRect(mSlashRect, radiusX, radiusY, Direction.CW);
+        // Rotate -45 + desired rotation
+        m.setRotate(mRotation + DEFAULT_ROTATION, width / 2, height / 2);
+        mPath.transform(m);
+        canvas.drawPath(mPath, mPaint);
+
+        // Rotate back to vertical
+        m.setRotate(-mRotation - DEFAULT_ROTATION, width / 2, height / 2);
+        mPath.transform(m);
+
+        // Draw another rect right next to the first, for clipping
+        m.setTranslate(mSlashRect.width(), 0);
+        mPath.transform(m);
+        mPath.addRoundRect(mSlashRect, 1.0f * width, 1.0f * height, Direction.CW);
+        m.setRotate(mRotation + DEFAULT_ROTATION, width / 2, height / 2);
+        mPath.transform(m);
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
+            canvas.clipPath(mPath, Region.Op.DIFFERENCE);
+        else
+            canvas.clipOutPath(mPath);
+
+        mDrawable.draw(canvas);
+        canvas.restore();
+    }
+
+    private float scale(final float frac, final int width) {
+        return frac * width;
+    }
+
+    private void updateRect(final float left, final float top, final float right, final float bottom) {
+        mSlashRect.left = left;
+        mSlashRect.top = top;
+        mSlashRect.right = right;
+        mSlashRect.bottom = bottom;
+    }
+
+    @Override
+    public void setTint(@ColorInt final int tintColor) {
+        super.setTint(tintColor);
+        mDrawable.setTint(tintColor);
+        mPaint.setColor(tintColor);
+    }
+
+    @Override
+    public void setTintList(@Nullable final ColorStateList tint) {
+        mTintList = tint;
+        super.setTintList(tint);
+        setDrawableTintList(tint);
+        mPaint.setColor(tint == null ? 0 : tint.getDefaultColor());
+        invalidateSelf();
+    }
+
+    private void setDrawableTintList(@Nullable final ColorStateList tint) {
+        mDrawable.setTintList(tint);
+    }
+
+    @Override
+    public void setTintMode(@NonNull final Mode tintMode) {
+        mTintMode = tintMode;
+        super.setTintMode(tintMode);
+        mDrawable.setTintMode(tintMode);
+    }
+
+    @Override
+    public void setAlpha(@IntRange(from = 0, to = 255) final int alpha) {
+        mDrawable.setAlpha(alpha);
+        mPaint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(@Nullable final ColorFilter colorFilter) {
+        mDrawable.setColorFilter(colorFilter);
+        mPaint.setColorFilter(colorFilter);
+    }
+
+    @Override
+    public int getOpacity() {
+        return PixelFormat.OPAQUE;
+    }
+}
@@ -1,97 +0,0 @@
-/*
- * Copyright © 2014 Jerzy Chalupski
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.android.widget.fab;
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Paint.Style;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.ShapeDrawable;
-import android.graphics.drawable.shapes.Shape;
-import android.support.annotation.ColorRes;
-import android.support.annotation.DrawableRes;
-import android.support.v4.content.ContextCompat;
-import android.util.AttributeSet;
-
-import com.wireguard.android.R;
-
-public class AddFloatingActionButton extends FloatingActionButton {
-    int mPlusColor;
-
-    public AddFloatingActionButton(final Context context) {
-        this(context, null);
-    }
-
-    public AddFloatingActionButton(final Context context, final AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public AddFloatingActionButton(final Context context, final AttributeSet attrs, final int defStyle) {
-        super(context, attrs, defStyle);
-    }
-
-    @Override
-    void init(final Context context, final AttributeSet attributeSet) {
-        final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.AddFloatingActionButton, 0, 0);
-        mPlusColor = attr.getColor(R.styleable.AddFloatingActionButton_fab_plusIconColor, FloatingActionButton.getColorFromTheme(context, android.R.attr.colorBackground, android.R.color.white));
-        attr.recycle();
-
-        super.init(context, attributeSet);
-    }
-
-    /**
-     * @return the current Color of plus icon.
-     */
-    public int getPlusColor() {
-        return mPlusColor;
-    }
-
-    public void setPlusColor(final int color) {
-        if (mPlusColor != color) {
-            mPlusColor = color;
-            updateBackground();
-        }
-    }
-
-    public void setPlusColorResId(@ColorRes final int plusColor) {
-        setPlusColor(ContextCompat.getColor(getContext(), plusColor));
-    }
-
-    @Override
-    public void setIcon(@DrawableRes final int icon) {
-        throw new UnsupportedOperationException("Use FloatingActionButton if you want to use custom icon");
-    }
-
-    @Override
-    Drawable getIconDrawable() {
-        final float iconSize = getDimension(R.dimen.fab_icon_size);
-        final float iconHalfSize = iconSize / 2f;
-
-        final float plusSize = getDimension(R.dimen.fab_plus_icon_size);
-        final float plusHalfStroke = getDimension(R.dimen.fab_plus_icon_stroke) / 2f;
-        final float plusOffset = (iconSize - plusSize) / 2f;
-
-        final Shape shape = new Shape() {
-            @Override
-            public void draw(final Canvas canvas, final Paint paint) {
-                canvas.drawRect(plusOffset, iconHalfSize - plusHalfStroke, iconSize - plusOffset, iconHalfSize + plusHalfStroke, paint);
-                canvas.drawRect(iconHalfSize - plusHalfStroke, plusOffset, iconHalfSize + plusHalfStroke, iconSize - plusOffset, paint);
-            }
-        };
-
-        final ShapeDrawable drawable = new ShapeDrawable(shape);
-
-        final Paint paint = drawable.getPaint();
-        paint.setColor(mPlusColor);
-        paint.setStyle(Style.FILL);
-        paint.setAntiAlias(true);
-
-        return drawable;
-    }
-}
@@ -1,433 +0,0 @@
-/*
- * Copyright © 2014 Jerzy Chalupski
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.android.widget.fab;
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.*;
-import android.graphics.Paint.Style;
-import android.graphics.Shader.TileMode;
-import android.graphics.drawable.*;
-import android.graphics.drawable.ShapeDrawable.ShaderFactory;
-import android.graphics.drawable.shapes.OvalShape;
-import android.support.annotation.*;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.AppCompatImageButton;
-import android.util.AttributeSet;
-import android.widget.TextView;
-
-import com.wireguard.android.R;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-public class FloatingActionButton extends AppCompatImageButton {
-
-    public static final int SIZE_NORMAL = 0;
-    public static final int SIZE_MINI = 1;
-    int mColorNormal;
-    int mColorPressed;
-    int mColorDisabled;
-    String mTitle;
-    boolean mStrokeVisible;
-    @DrawableRes
-    private int mIcon;
-    private Drawable mIconDrawable;
-    private int mSize;
-
-    private float mCircleSize;
-    private float mShadowRadius;
-    private float mShadowOffset;
-    private int mDrawableSize;
-    public FloatingActionButton(final Context context) {
-        this(context, null);
-    }
-
-    public FloatingActionButton(final Context context, final AttributeSet attrs) {
-        super(context, attrs);
-        init(context, attrs);
-    }
-
-    public FloatingActionButton(final Context context, final AttributeSet attrs, final int defStyle) {
-        super(context, attrs, defStyle);
-        init(context, attrs);
-    }
-
-    public static int getColorFromTheme(final Context context, final int themeResource, @ColorRes final int fallback) {
-        final TypedArray a = context.obtainStyledAttributes(new int[]{themeResource});
-        try {
-            return a.getColor(0, ContextCompat.getColor(context, fallback));
-        } finally {
-            a.recycle();
-        }
-    }
-
-    void init(final Context context, final AttributeSet attributeSet) {
-        final TypedArray attr = context.obtainStyledAttributes(attributeSet,
-                R.styleable.FloatingActionButton, 0, 0);
-        mColorNormal = attr.getColor(R.styleable.FloatingActionButton_fab_colorNormal,
-                getColorFromTheme(context, android.R.attr.colorAccent, android.R.color.holo_blue_bright));
-        mColorPressed = attr.getColor(R.styleable.FloatingActionButton_fab_colorPressed,
-                darkenOrLightenColor(mColorNormal)); //TODO(msf): use getColorForState on the accent color from theme instead to get darker states
-        mColorDisabled = attr.getColor(R.styleable.FloatingActionButton_fab_colorDisabled,
-                ContextCompat.getColor(context, android.R.color.darker_gray)); //TODO(msf): load from theme
-        mSize = attr.getInt(R.styleable.FloatingActionButton_fab_size, SIZE_NORMAL);
-        mIcon = attr.getResourceId(R.styleable.FloatingActionButton_fab_icon, 0);
-        mTitle = attr.getString(R.styleable.FloatingActionButton_fab_title);
-        mStrokeVisible = attr.getBoolean(R.styleable.FloatingActionButton_fab_stroke_visible, true);
-        attr.recycle();
-
-        updateCircleSize();
-        mShadowRadius = getDimension(R.dimen.fab_shadow_radius);
-        mShadowOffset = getDimension(R.dimen.fab_shadow_offset);
-        updateDrawableSize();
-
-        updateBackground();
-    }
-
-    private void updateDrawableSize() {
-        mDrawableSize = (int) (mCircleSize + 2 * mShadowRadius);
-    }
-
-    private void updateCircleSize() {
-        mCircleSize = getDimension(mSize == SIZE_NORMAL ? R.dimen.fab_size_normal : R.dimen.fab_size_mini);
-    }
-
-    @FAB_SIZE
-    public int getSize() {
-        return mSize;
-    }
-
-    public void setSize(@FAB_SIZE final int size) {
-        if (size != SIZE_MINI && size != SIZE_NORMAL) {
-            throw new IllegalArgumentException("Use @FAB_SIZE constants only!");
-        }
-
-        if (mSize != size) {
-            mSize = size;
-            updateCircleSize();
-            updateDrawableSize();
-            updateBackground();
-        }
-    }
-
-    public void setIcon(@DrawableRes final int icon) {
-        if (mIcon != icon) {
-            mIcon = icon;
-            mIconDrawable = null;
-            updateBackground();
-        }
-    }
-
-    /**
-     * @return the current Color for normal state.
-     */
-    public int getColorNormal() {
-        return mColorNormal;
-    }
-
-    public void setColorNormal(final int color) {
-        if (mColorNormal != color) {
-            mColorNormal = color;
-            updateBackground();
-        }
-    }
-
-    public void setColorNormalResId(@ColorRes final int colorNormal) {
-        setColorNormal(ContextCompat.getColor(getContext(), colorNormal));
-    }
-
-    /**
-     * @return the current color for pressed state.
-     */
-    public int getColorPressed() {
-        return mColorPressed;
-    }
-
-    public void setColorPressed(final int color) {
-        if (mColorPressed != color) {
-            mColorPressed = color;
-            updateBackground();
-        }
-    }
-
-    public void setColorPressedResId(@ColorRes final int colorPressed) {
-        setColorPressed(ContextCompat.getColor(getContext(), colorPressed));
-    }
-
-    /**
-     * @return the current color for disabled state.
-     */
-    public int getColorDisabled() {
-        return mColorDisabled;
-    }
-
-    public void setColorDisabled(final int color) {
-        if (mColorDisabled != color) {
-            mColorDisabled = color;
-            updateBackground();
-        }
-    }
-
-    public void setColorDisabledResId(@ColorRes final int colorDisabled) {
-        setColorDisabled(ContextCompat.getColor(getContext(), colorDisabled));
-    }
-
-    public boolean isStrokeVisible() {
-        return mStrokeVisible;
-    }
-
-    public void setStrokeVisible(final boolean visible) {
-        if (mStrokeVisible != visible) {
-            mStrokeVisible = visible;
-            updateBackground();
-        }
-    }
-
-    float getDimension(@DimenRes final int id) {
-        return getResources().getDimension(id);
-    }
-
-    TextView getLabelView() {
-        return (TextView) getTag(R.id.fab_label);
-    }
-
-    public String getTitle() {
-        return mTitle;
-    }
-
-    public void setTitle(final String title) {
-        mTitle = title;
-        final TextView label = getLabelView();
-        if (label != null) {
-            label.setText(title);
-        }
-    }
-
-    @Override
-    protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
-        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        setMeasuredDimension(mDrawableSize, mDrawableSize);
-    }
-
-    void updateBackground() {
-        final float strokeWidth = getDimension(R.dimen.fab_stroke_width);
-        final float halfStrokeWidth = strokeWidth / 2f;
-
-        final LayerDrawable layerDrawable = new LayerDrawable(
-                new Drawable[]{
-                        //TODO(msf); replace these pngs with programatic elevation
-                        getResources().getDrawable(mSize == SIZE_NORMAL ? R.drawable.fab_bg_normal : R.drawable.fab_bg_mini, null),
-                        createFillDrawable(strokeWidth),
-                        createOuterStrokeDrawable(strokeWidth),
-                        getIconDrawable()
-                });
-
-        final int iconOffset = (int) (mCircleSize - getDimension(R.dimen.fab_icon_size)) / 2;
-
-        final int circleInsetHorizontal = (int) (mShadowRadius);
-        final int circleInsetTop = (int) (mShadowRadius - mShadowOffset);
-        final int circleInsetBottom = (int) (mShadowRadius + mShadowOffset);
-
-        layerDrawable.setLayerInset(1,
-                circleInsetHorizontal,
-                circleInsetTop,
-                circleInsetHorizontal,
-                circleInsetBottom);
-
-        layerDrawable.setLayerInset(2,
-                (int) (circleInsetHorizontal - halfStrokeWidth),
-                (int) (circleInsetTop - halfStrokeWidth),
-                (int) (circleInsetHorizontal - halfStrokeWidth),
-                (int) (circleInsetBottom - halfStrokeWidth));
-
-        layerDrawable.setLayerInset(3,
-                circleInsetHorizontal + iconOffset,
-                circleInsetTop + iconOffset,
-                circleInsetHorizontal + iconOffset,
-                circleInsetBottom + iconOffset);
-
-        setBackground(layerDrawable);
-    }
-
-    Drawable getIconDrawable() {
-        if (mIconDrawable != null) {
-            return mIconDrawable;
-        } else if (mIcon != 0) {
-            return ContextCompat.getDrawable(getContext(), mIcon);
-        } else {
-            return new ColorDrawable(Color.TRANSPARENT);
-        }
-    }
-
-    public void setIconDrawable(@NonNull final Drawable iconDrawable) {
-        if (mIconDrawable != iconDrawable) {
-            mIcon = 0;
-            mIconDrawable = iconDrawable;
-            updateBackground();
-        }
-    }
-
-    private StateListDrawable createFillDrawable(final float strokeWidth) {
-        final StateListDrawable drawable = new StateListDrawable();
-        drawable.addState(new int[]{-android.R.attr.state_enabled}, createCircleDrawable(mColorDisabled, strokeWidth));
-        drawable.addState(new int[]{android.R.attr.state_pressed}, createCircleDrawable(mColorPressed, strokeWidth));
-        drawable.addState(new int[]{}, createCircleDrawable(mColorNormal, strokeWidth));
-        return drawable;
-    }
-
-    private Drawable createCircleDrawable(final int color, final float strokeWidth) {
-        final int alpha = Color.alpha(color);
-        final int opaqueColor = opaque(color);
-
-        final ShapeDrawable fillDrawable = new ShapeDrawable(new OvalShape());
-
-        final Paint paint = fillDrawable.getPaint();
-        paint.setAntiAlias(true);
-        paint.setColor(opaqueColor);
-
-        final Drawable[] layers = {
-                fillDrawable,
-                createInnerStrokesDrawable(opaqueColor, strokeWidth)
-        };
-
-        final LayerDrawable drawable = alpha == 255 || !mStrokeVisible
-                ? new LayerDrawable(layers)
-                : new TranslucentLayerDrawable(alpha, layers);
-
-        final int halfStrokeWidth = (int) (strokeWidth / 2f);
-        drawable.setLayerInset(1, halfStrokeWidth, halfStrokeWidth, halfStrokeWidth, halfStrokeWidth);
-
-        return drawable;
-    }
-
-    private static Drawable createOuterStrokeDrawable(final float strokeWidth) {
-        final ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
-
-        final Paint paint = shapeDrawable.getPaint();
-        paint.setAntiAlias(true);
-        paint.setStrokeWidth(strokeWidth);
-        paint.setStyle(Style.STROKE);
-        paint.setColor(Color.BLACK);
-        paint.setAlpha(opacityToAlpha(0.02f));
-
-        return shapeDrawable;
-    }
-
-    private static int opacityToAlpha(final float opacity) {
-        return (int) (255f * opacity);
-    }
-
-    private static int darkenColor(final int argb) {
-        return adjustColorBrightness(argb, 0.9f);
-    }
-
-    private static int lightenColor(final int argb) {
-        return adjustColorBrightness(argb, 1.1f);
-    }
-
-    public static int darkenOrLightenColor(final int argb) {
-        final float[] hsv = new float[3];
-        Color.colorToHSV(argb, hsv);
-        final float factor;
-        if (hsv[2] < 0.2)
-            factor = 1.2f;
-        else
-            factor = 0.8f;
-
-        hsv[2] = Math.min(hsv[2] * factor, 1f);
-        return Color.HSVToColor(Color.alpha(argb), hsv);
-    }
-
-    private static int adjustColorBrightness(final int argb, final float factor) {
-        final float[] hsv = new float[3];
-        Color.colorToHSV(argb, hsv);
-
-        hsv[2] = Math.min(hsv[2] * factor, 1f);
-
-        return Color.HSVToColor(Color.alpha(argb), hsv);
-    }
-
-    private static int halfTransparent(final int argb) {
-        return Color.argb(
-                Color.alpha(argb) / 2,
-                Color.red(argb),
-                Color.green(argb),
-                Color.blue(argb)
-        );
-    }
-
-    private static int opaque(final int argb) {
-        return Color.rgb(
-                Color.red(argb),
-                Color.green(argb),
-                Color.blue(argb)
-        );
-    }
-
-    private Drawable createInnerStrokesDrawable(final int color, final float strokeWidth) {
-        if (!mStrokeVisible) {
-            return new ColorDrawable(Color.TRANSPARENT);
-        }
-
-        final ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
-
-        final int bottomStrokeColor = darkenColor(color);
-        final int bottomStrokeColorHalfTransparent = halfTransparent(bottomStrokeColor);
-        final int topStrokeColor = lightenColor(color);
-        final int topStrokeColorHalfTransparent = halfTransparent(topStrokeColor);
-
-        final Paint paint = shapeDrawable.getPaint();
-        paint.setAntiAlias(true);
-        paint.setStrokeWidth(strokeWidth);
-        paint.setStyle(Style.STROKE);
-        shapeDrawable.setShaderFactory(new ShaderFactory() {
-            @Override
-            public Shader resize(int width, int height) {
-                return new LinearGradient(width / 2, 0, width / 2, height,
-                        new int[]{topStrokeColor, topStrokeColorHalfTransparent, color, bottomStrokeColorHalfTransparent, bottomStrokeColor},
-                        new float[]{0f, 0.2f, 0.5f, 0.8f, 1f},
-                        TileMode.CLAMP
-                );
-            }
-        });
-
-        return shapeDrawable;
-    }
-
-    @Override
-    public void setVisibility(final int visibility) {
-        final TextView label = getLabelView();
-        if (label != null) {
-            label.setVisibility(visibility);
-        }
-
-        super.setVisibility(visibility);
-    }
-
-    @Retention(RetentionPolicy.SOURCE)
-    @IntDef({SIZE_NORMAL, SIZE_MINI})
-    public @interface FAB_SIZE {
-    }
-
-    private static final class TranslucentLayerDrawable extends LayerDrawable {
-        private final int mAlpha;
-
-        private TranslucentLayerDrawable(final int alpha, final Drawable... layers) {
-            super(layers);
-            mAlpha = alpha;
-        }
-
-        @Override
-        public void draw(final Canvas canvas) {
-            final Rect bounds = getBounds();
-            canvas.saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, mAlpha);
-            super.draw(canvas);
-            canvas.restore();
-        }
-    }
-}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2014 Jerzy Chalupski
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.widget.fab;
@@ -21,6 +21,8 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.annotation.Keep;
 import android.support.annotation.NonNull;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.content.res.ResourcesCompat;
 import android.support.v7.widget.AppCompatTextView;
 import android.util.AttributeSet;
 import android.view.ContextThemeWrapper;
@@ -33,7 +35,6 @@ import android.widget.TextView;

 import com.wireguard.android.R;

-@SuppressWarnings("ReturnOfInnerClass")
 public class FloatingActionsMenu extends ViewGroup {
    public static final int EXPAND_UP = 0;
    public static final int EXPAND_DOWN = 1;
@@ -49,11 +50,6 @@ public class FloatingActionsMenu extends ViewGroup {
    private static final TimeInterpolator EXPAND_INTERPOLATOR = new OvershootInterpolator();
    private static final TimeInterpolator COLLAPSE_INTERPOLATOR = new DecelerateInterpolator(3f);
    private static final TimeInterpolator ALPHA_EXPAND_INTERPOLATOR = new DecelerateInterpolator();
-    private int mAddButtonPlusColor;
-    private int mAddButtonColorNormal;
-    private int mAddButtonColorPressed;
-    private int mAddButtonSize;
-    private boolean mAddButtonStrokeVisible;
    private int mExpandDirection;
    private int mButtonSpacing;
    private int mLabelsMargin;
@@ -61,7 +57,7 @@ public class FloatingActionsMenu extends ViewGroup {
    private boolean mExpanded;
    private final AnimatorSet mExpandAnimation = new AnimatorSet().setDuration(ANIMATION_DURATION);
    private final AnimatorSet mCollapseAnimation = new AnimatorSet().setDuration(ANIMATION_DURATION);
-    private AddFloatingActionButton mAddButton;
+    private FloatingActionButton mAddButton;
    private RotatingDrawable mRotatingDrawable;
    private int mMaxButtonWidth;
    private int mMaxButtonHeight;
@@ -87,7 +83,7 @@ public class FloatingActionsMenu extends ViewGroup {
    }

    private void init(final Context context, final AttributeSet attributeSet) {
-        mButtonSpacing = (int) (getResources().getDimension(R.dimen.fab_actions_spacing) - getResources().getDimension(R.dimen.fab_shadow_radius) - getResources().getDimension(R.dimen.fab_shadow_offset));
+        mButtonSpacing = (int) (getResources().getDimension(R.dimen.fab_actions_spacing));
        mLabelsMargin = getResources().getDimensionPixelSize(R.dimen.fab_labels_margin);
        mLabelsVerticalOffset = getResources().getDimensionPixelSize(R.dimen.fab_shadow_offset);

@@ -95,14 +91,6 @@ public class FloatingActionsMenu extends ViewGroup {
        setTouchDelegate(mTouchDelegateGroup);

        final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.FloatingActionsMenu, 0, 0);
-        mAddButtonPlusColor = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonPlusIconColor,
-                FloatingActionButton.getColorFromTheme(context, android.R.attr.colorBackground, android.R.color.white));
-        mAddButtonColorNormal = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonColorNormal,
-                FloatingActionButton.getColorFromTheme(context, android.R.attr.colorAccent, android.R.color.holo_blue_bright));
-        mAddButtonColorPressed = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonColorPressed,
-                FloatingActionButton.darkenOrLightenColor(mAddButtonColorNormal)); //TODO(msf): use getColorForState on the accent color from theme instead to get darker states
-        mAddButtonSize = attr.getInt(R.styleable.FloatingActionsMenu_fab_addButtonSize, FloatingActionButton.SIZE_NORMAL);
-        mAddButtonStrokeVisible = attr.getBoolean(R.styleable.FloatingActionsMenu_fab_addButtonStrokeVisible, true);
        mExpandDirection = attr.getInt(R.styleable.FloatingActionsMenu_fab_expandDirection, EXPAND_UP);
        mLabelsStyle = attr.getResourceId(R.styleable.FloatingActionsMenu_fab_labelStyle, 0);
        mLabelsPosition = attr.getInt(R.styleable.FloatingActionsMenu_fab_labelsPosition, LABELS_ON_LEFT_SIDE);
@@ -124,45 +112,30 @@ public class FloatingActionsMenu extends ViewGroup {
    }

    private void createAddButton(final Context context) {
-        mAddButton = new AddFloatingActionButton(context) {
-            @Override
-            void updateBackground() {
-                mPlusColor = mAddButtonPlusColor;
-                mColorNormal = mAddButtonColorNormal;
-                mColorPressed = mAddButtonColorPressed;
-                mStrokeVisible = mAddButtonStrokeVisible;
-                super.updateBackground();
-            }
+        final RotatingDrawable rotatingDrawable = new RotatingDrawable(ResourcesCompat.getDrawable(context.getResources(), R.drawable.ic_action_add_inverse, context.getTheme()));
+        mRotatingDrawable = rotatingDrawable;

-            @Override
-            Drawable getIconDrawable() {
-                final RotatingDrawable rotatingDrawable = new RotatingDrawable(super.getIconDrawable());
-                mRotatingDrawable = rotatingDrawable;
+        final TimeInterpolator interpolator = new OvershootInterpolator();

-                final TimeInterpolator interpolator = new OvershootInterpolator();
+        final ObjectAnimator collapseAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", EXPANDED_PLUS_ROTATION, COLLAPSED_PLUS_ROTATION);
+        final ObjectAnimator expandAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", COLLAPSED_PLUS_ROTATION, EXPANDED_PLUS_ROTATION);

-                final ObjectAnimator collapseAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", EXPANDED_PLUS_ROTATION, COLLAPSED_PLUS_ROTATION);
-                final ObjectAnimator expandAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", COLLAPSED_PLUS_ROTATION, EXPANDED_PLUS_ROTATION);
+        collapseAnimator.setInterpolator(interpolator);
+        expandAnimator.setInterpolator(interpolator);

-                collapseAnimator.setInterpolator(interpolator);
-                expandAnimator.setInterpolator(interpolator);
-
-                mExpandAnimation.play(expandAnimator);
-                mCollapseAnimation.play(collapseAnimator);
-
-                return rotatingDrawable;
-            }
-        };
+        mExpandAnimation.play(expandAnimator);
+        mCollapseAnimation.play(collapseAnimator);

+        mAddButton = new FloatingActionButton(context);
+        mAddButton.setImageDrawable(rotatingDrawable);
        mAddButton.setId(R.id.fab_expand_menu_button);
-        mAddButton.setSize(mAddButtonSize);
        mAddButton.setOnClickListener(v -> toggle());

        addView(mAddButton, super.generateDefaultLayoutParams());
        mButtonsCount++;
    }

-    public void addButton(final FloatingActionButton button) {
+    public void addButton(final LabeledFloatingActionButton button) {
        addView(button, mButtonsCount - 1);
        mButtonsCount++;

@@ -171,7 +144,7 @@ public class FloatingActionsMenu extends ViewGroup {
        }
    }

-    public void removeButton(final FloatingActionButton button) {
+    public void removeButton(final LabeledFloatingActionButton button) {
        removeView(button.getLabelView());
        removeView(button);
        button.setTag(R.id.fab_label, null);
@@ -256,9 +229,9 @@ public class FloatingActionsMenu extends ViewGroup {

                final int addButtonY = expandUp ? b - t - mAddButton.getMeasuredHeight() : 0;
                // Ensure mAddButton is centered on the line where the buttons should be
-                final int buttonsHorizontalCenter = mLabelsPosition == LABELS_ON_LEFT_SIDE
+                final int buttonsHorizontalCenter = (mLabelsPosition == LABELS_ON_LEFT_SIDE
                        ? r - l - mMaxButtonWidth / 2
-                        : mMaxButtonWidth / 2;
+                        : mMaxButtonWidth / 2);
                final int addButtonLeft = buttonsHorizontalCenter - mAddButton.getMeasuredWidth() / 2;
                mAddButton.layout(addButtonLeft, addButtonY, addButtonLeft + mAddButton.getMeasuredWidth(), addButtonY + mAddButton.getMeasuredHeight());

@@ -313,7 +286,7 @@ public class FloatingActionsMenu extends ViewGroup {
                                childY - mButtonSpacing / 2,
                                Math.max(childX + child.getMeasuredWidth(), labelRight),
                                childY + child.getMeasuredHeight() + mButtonSpacing / 2);
-                        mTouchDelegateGroup.addTouchDelegate(new TouchDelegate(touchArea, child));
+                        mTouchDelegateGroup.addTouchDelegate(new TouchDelegate(new Rect(touchArea), child));

                        label.setTranslationY(mExpanded ? expandedTranslation : collapsedTranslation);
                        label.setAlpha(mExpanded ? 1f : 0f);
@@ -404,17 +377,17 @@ public class FloatingActionsMenu extends ViewGroup {

        for (int i = 0; i < mButtonsCount; i++) {
            final FloatingActionButton button = (FloatingActionButton) getChildAt(i);
-            final String title = button.getTitle();

-            if (button == mAddButton || title == null ||
-                    button.getTag(R.id.fab_label) != null) continue;
+            if (button instanceof LabeledFloatingActionButton) {
+                final String title = ((LabeledFloatingActionButton) button).getTitle();

-            final AppCompatTextView label = new AppCompatTextView(context);
-            label.setTextAppearance(context, mLabelsStyle);
-            label.setText(button.getTitle());
-            addView(label);
+                final AppCompatTextView label = new AppCompatTextView(context);
+                label.setTextAppearance(context, mLabelsStyle);
+                label.setText(title);
+                addView(label);

-            button.setTag(R.id.fab_label, label);
+                button.setTag(R.id.fab_label, label);
+            }
        }
    }

@@ -466,7 +439,7 @@ public class FloatingActionsMenu extends ViewGroup {
    }

    @Override
-    public void setEnabled(boolean enabled) {
+    public void setEnabled(final boolean enabled) {
        super.setEnabled(enabled);

        mAddButton.setEnabled(enabled);
@@ -0,0 +1,55 @@
+/*
+ * Copyright © 2014 Jerzy Chalupski
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.widget.fab;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.design.widget.FloatingActionButton;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+import com.wireguard.android.R;
+
+public class LabeledFloatingActionButton extends FloatingActionButton {
+
+    private final String title;
+
+    public LabeledFloatingActionButton(final Context context) {
+        this(context, null);
+    }
+
+    public LabeledFloatingActionButton(final Context context, final AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public LabeledFloatingActionButton(final Context context, final AttributeSet attrs, final int defStyle) {
+        super(context, attrs, defStyle);
+
+        final TypedArray attr = context.obtainStyledAttributes(attrs, R.styleable.LabeledFloatingActionButton, 0, 0);
+        title = attr.getString(R.styleable.LabeledFloatingActionButton_fab_title);
+        attr.recycle();
+    }
+
+    TextView getLabelView() {
+        return (TextView) getTag(R.id.fab_label);
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    @Override
+    public void setVisibility(final int visibility) {
+        final TextView label = getLabelView();
+        if (label != null) {
+            label.setVisibility(visibility);
+        }
+
+        super.setVisibility(visibility);
+    }
+
+}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2014 Jerzy Chalupski
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.android.widget.fab;
@@ -13,11 +13,11 @@ import android.view.TouchDelegate;
 import android.view.View;

 import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;

 public class TouchDelegateGroup extends TouchDelegate {
    private static final Rect USELESS_HACKY_RECT = new Rect();
-    private final List<TouchDelegate> mTouchDelegates = new ArrayList<>();
+    private final Collection<TouchDelegate> mTouchDelegates = new ArrayList<>();
    private TouchDelegate mCurrentTouchDelegate;
    private boolean mEnabled;

@@ -43,14 +43,14 @@ public class TouchDelegateGroup extends TouchDelegate {

    @Override
    public boolean onTouchEvent(@NonNull final MotionEvent event) {
-        if (!mEnabled) return false;
+        if (!mEnabled)
+            return false;

        TouchDelegate delegate = null;

        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
-                for (int i = 0; i < mTouchDelegates.size(); i++) {
-                    final TouchDelegate touchDelegate = mTouchDelegates.get(i);
+                for (final TouchDelegate touchDelegate : mTouchDelegates) {
                    if (touchDelegate.onTouchEvent(event)) {
                        mCurrentTouchDelegate = touchDelegate;
                        return true;
@@ -1,16 +1,13 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.config;

 import android.text.TextUtils;

-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.net.InetAddress;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -21,10 +18,11 @@ import java.util.regex.Pattern;
 * The set of valid attributes for an interface or peer in a WireGuard configuration file.
 */

-enum Attribute {
+public enum Attribute {
    ADDRESS("Address"),
    ALLOWED_IPS("AllowedIPs"),
    DNS("DNS"),
+    EXCLUDED_APPLICATIONS("ExcludedApplications"),
    ENDPOINT("Endpoint"),
    LISTEN_PORT("ListenPort"),
    MTU("MTU"),
@@ -36,7 +34,6 @@ enum Attribute {
    private static final String[] EMPTY_LIST = new String[0];
    private static final Map<String, Attribute> KEY_MAP;
    private static final Pattern LIST_SEPARATOR_PATTERN = Pattern.compile("\\s*,\\s*");
-    private static final Method NUMERIC_ADDRESS_PARSER;
    private static final Pattern SEPARATOR_PATTERN = Pattern.compile("\\s|=");

    static {
@@ -46,14 +43,6 @@ enum Attribute {
        }
    }

-    static {
-        try {
-            NUMERIC_ADDRESS_PARSER = InetAddress.class.getMethod("parseNumericAddress", String.class);
-        } catch (final Exception e) {
-            throw new RuntimeException(e);
-        }
-    }
-
    private final Pattern pattern;
    private final String token;

@@ -70,23 +59,8 @@ enum Attribute {
        return KEY_MAP.get(SEPARATOR_PATTERN.split(line)[0].toLowerCase());
    }

-    public static InetAddress parseIPString(final String address) {
-        if (address == null || address.isEmpty())
-            throw new IllegalArgumentException("Empty address");
-        try {
-            return (InetAddress) NUMERIC_ADDRESS_PARSER.invoke(null, address);
-        } catch (final IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (final InvocationTargetException e) {
-            if (e.getCause() instanceof IllegalArgumentException)
-                throw (IllegalArgumentException) e.getCause();
-            else
-                throw new IllegalArgumentException(e.getCause());
-        }
-    }
-
    public static String[] stringToList(final String string) {
-        if (string == null)
+        if (TextUtils.isEmpty(string))
            return EMPTY_LIST;
        return LIST_SEPARATOR_PATTERN.split(string.trim());
    }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.config;
@@ -1,48 +0,0 @@
-/*
- * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.config;
-
-import java.net.Inet4Address;
-import java.net.Inet6Address;
-import java.net.InetAddress;
-import java.util.Locale;
-
-public class IPCidr {
-    private final InetAddress address;
-    private int cidr;
-
-    @SuppressWarnings("MagicNumber")
-    public IPCidr(String in) {
-        cidr = -1;
-        final int slash = in.lastIndexOf('/');
-        if (slash != -1 && slash < in.length() - 1) {
-            try {
-                cidr = Integer.parseInt(in.substring(slash + 1), 10);
-                in = in.substring(0, slash);
-            } catch (final Exception ignored) {
-            }
-        }
-        address = Attribute.parseIPString(in);
-        if ((address instanceof Inet6Address) && (cidr > 128 || cidr < 0))
-            cidr = 128;
-        else if ((address instanceof Inet4Address) && (cidr > 32 || cidr < 0))
-            cidr = 32;
-    }
-
-    public InetAddress getAddress() {
-        return address;
-    }
-
-    public int getCidr() {
-        return cidr;
-    }
-
-    @Override
-    public String toString() {
-        return String.format(Locale.getDefault(), "%s/%d", address.getHostAddress(), cidr);
-    }
-}
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.config;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.InetAddress;
+
+public final class InetAddresses {
+    private static final Method PARSER_METHOD;
+
+    static {
+        try {
+            // This method is only present on Android.
+            PARSER_METHOD = InetAddress.class.getMethod("parseNumericAddress", String.class);
+        } catch (final NoSuchMethodException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private InetAddresses() {
+        // Prevent instantiation.
+    }
+
+    @NonNull
+    public static InetAddress parse(@Nullable final String address) {
+        if (address == null || address.isEmpty())
+            throw new IllegalArgumentException("Empty address");
+        try {
+            return (InetAddress) PARSER_METHOD.invoke(null, address);
+        } catch (final IllegalAccessException | InvocationTargetException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.config;
+
+import android.support.annotation.NonNull;
+
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.util.Objects;
+
+public class InetNetwork {
+    private final InetAddress address;
+    private final int mask;
+
+    public InetNetwork(@NonNull final String input) {
+        final int slash = input.lastIndexOf('/');
+        final int rawMask;
+        final String rawAddress;
+        if (slash >= 0) {
+            rawMask = Integer.parseInt(input.substring(slash + 1), 10);
+            rawAddress = input.substring(0, slash);
+        } else {
+            rawMask = -1;
+            rawAddress = input;
+        }
+        address = InetAddresses.parse(rawAddress);
+        final int maxMask = (address instanceof Inet4Address) ? 32 : 128;
+        mask = rawMask >= 0 && rawMask <= maxMask ? rawMask : maxMask;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (!(obj instanceof InetNetwork))
+            return false;
+        final InetNetwork other = (InetNetwork) obj;
+        return Objects.equals(address, other.address) && mask == other.mask;
+    }
+
+    @NonNull
+    public InetAddress getAddress() {
+        return address;
+    }
+
+    public int getMask() {
+        return mask;
+    }
+
+    @Override
+    public int hashCode() {
+        return address.hashCode() ^ mask;
+    }
+
+    @Override
+    public String toString() {
+        return address.getHostAddress() + '/' + mask;
+    }
+}
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.config;
@@ -16,6 +16,7 @@ import com.wireguard.crypto.Keypair;

 import java.net.InetAddress;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;

 /**
@@ -23,8 +24,9 @@ import java.util.List;
 */

 public class Interface {
-    private final List<IPCidr> addressList;
+    private final List<InetNetwork> addressList;
    private final List<InetAddress> dnsList;
+    private final List<String> excludedApplications;
    private Keypair keypair;
    private int listenPort;
    private int mtu;
@@ -32,6 +34,7 @@ public class Interface {
    public Interface() {
        addressList = new ArrayList<>();
        dnsList = new ArrayList<>();
+        excludedApplications = new ArrayList<>();
    }

    private void addAddresses(final String[] addresses) {
@@ -39,7 +42,7 @@ public class Interface {
            for (final String addr : addresses) {
                if (addr.isEmpty())
                    throw new IllegalArgumentException("Address is empty");
-                addressList.add(new IPCidr(addr));
+                addressList.add(new InetNetwork(addr));
            }
        }
    }
@@ -47,19 +50,25 @@ public class Interface {
    private void addDnses(final String[] dnses) {
        if (dnses != null && dnses.length > 0) {
            for (final String dns : dnses) {
-                dnsList.add(Attribute.parseIPString(dns));
+                dnsList.add(InetAddresses.parse(dns));
            }
        }
    }

+    private void addExcludedApplications(final String[] applications) {
+        if (applications != null && applications.length > 0) {
+            excludedApplications.addAll(Arrays.asList(applications));
+        }
+    }
+
    private String getAddressString() {
        if (addressList.isEmpty())
            return null;
        return Attribute.iterableToString(addressList);
    }

-    public IPCidr[] getAddresses() {
-        return addressList.toArray(new IPCidr[addressList.size()]);
+    public InetNetwork[] getAddresses() {
+        return addressList.toArray(new InetNetwork[addressList.size()]);
    }

    private String getDnsString() {
@@ -79,6 +88,16 @@ public class Interface {
        return dnsList.toArray(new InetAddress[dnsList.size()]);
    }

+    private String getExcludedApplicationsString() {
+        if (excludedApplications.isEmpty())
+            return null;
+        return Attribute.iterableToString(excludedApplications);
+    }
+
+    public String[] getExcludedApplications() {
+        return excludedApplications.toArray(new String[excludedApplications.size()]);
+    }
+
    public int getListenPort() {
        return listenPort;
    }
@@ -120,6 +139,9 @@ public class Interface {
            case DNS:
                addDnses(key.parseList(line));
                break;
+            case EXCLUDED_APPLICATIONS:
+                addExcludedApplications(key.parseList(line));
+                break;
            case LISTEN_PORT:
                setListenPortString(key.parse(line));
                break;
@@ -144,6 +166,11 @@ public class Interface {
        addDnses(Attribute.stringToList(dnsString));
    }

+    private void setExcludedApplicationsString(final String applicationsString) {
+        excludedApplications.clear();
+        addExcludedApplications(Attribute.stringToList(applicationsString));
+    }
+
    private void setListenPort(final int listenPort) {
        this.listenPort = listenPort;
    }
@@ -179,6 +206,8 @@ public class Interface {
            sb.append(Attribute.ADDRESS.composeWith(addressList));
        if (!dnsList.isEmpty())
            sb.append(Attribute.DNS.composeWith(getDnsStrings()));
+        if (!excludedApplications.isEmpty())
+            sb.append(Attribute.EXCLUDED_APPLICATIONS.composeWith(excludedApplications));
        if (listenPort != 0)
            sb.append(Attribute.LISTEN_PORT.composeWith(listenPort));
        if (mtu != 0)
@@ -202,6 +231,7 @@ public class Interface {
        };
        private String addresses;
        private String dnses;
+        private String excludedApplications;
        private String listenPort;
        private String mtu;
        private String privateKey;
@@ -219,11 +249,13 @@ public class Interface {
            privateKey = in.readString();
            listenPort = in.readString();
            mtu = in.readString();
+            excludedApplications = in.readString();
        }

        public void commitData(final Interface parent) {
            parent.setAddressString(addresses);
            parent.setDnsString(dnses);
+            parent.setExcludedApplicationsString(excludedApplications);
            parent.setPrivateKey(privateKey);
            parent.setListenPortString(listenPort);
            parent.setMtuString(mtu);
@@ -254,6 +286,16 @@ public class Interface {
            return dnses;
        }

+        @Bindable
+        public String getExcludedApplications() {
+            return excludedApplications;
+        }
+
+        @Bindable
+        public int getExcludedApplicationsCount() {
+            return Attribute.stringToList(excludedApplications).length;
+        }
+
        @Bindable
        public String getListenPort() {
            return listenPort;
@@ -277,6 +319,7 @@ public class Interface {
        protected void loadData(final Interface parent) {
            addresses = parent.getAddressString();
            dnses = parent.getDnsString();
+            excludedApplications = parent.getExcludedApplicationsString();
            publicKey = parent.getPublicKey();
            privateKey = parent.getPrivateKey();
            listenPort = parent.getListenPortString();
@@ -293,6 +336,12 @@ public class Interface {
            notifyPropertyChanged(BR.dnses);
        }

+        public void setExcludedApplications(final String excludedApplications) {
+            this.excludedApplications = excludedApplications;
+            notifyPropertyChanged(BR.excludedApplications);
+            notifyPropertyChanged(BR.excludedApplicationsCount);
+        }
+
        public void setListenPort(final String listenPort) {
            this.listenPort = listenPort;
            notifyPropertyChanged(BR.listenPort);
@@ -324,6 +373,7 @@ public class Interface {
            dest.writeString(privateKey);
            dest.writeString(listenPort);
            dest.writeString(mtu);
+            dest.writeString(excludedApplications);
        }
    }
 }
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.config;
@@ -20,15 +20,20 @@ import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;

+import java9.lang.Iterables;
+
 /**
 * Represents the configuration for a WireGuard peer (a [Peer] block).
 */

 public class Peer {
-    private final List<IPCidr> allowedIPsList;
+    private final List<InetNetwork> allowedIPsList;
    private InetSocketAddress endpoint;
    private int persistentKeepalive;
    private String preSharedKey;
@@ -41,13 +46,13 @@ public class Peer {
    private void addAllowedIPs(final String[] allowedIPs) {
        if (allowedIPs != null && allowedIPs.length > 0) {
            for (final String allowedIP : allowedIPs) {
-                allowedIPsList.add(new IPCidr(allowedIP));
+                allowedIPsList.add(new InetNetwork(allowedIP));
            }
        }
    }

-    public IPCidr[] getAllowedIPs() {
-        return allowedIPsList.toArray(new IPCidr[allowedIPsList.size()]);
+    public InetNetwork[] getAllowedIPs() {
+        return allowedIPsList.toArray(new InetNetwork[allowedIPsList.size()]);
    }

    private String getAllowedIPsString() {
@@ -211,6 +216,8 @@ public class Peer {
        private String persistentKeepalive;
        private String preSharedKey;
        private String publicKey;
+        private List<String> interfaceDNSRoutes;
+        private int numSiblings;

        public Observable(final Peer parent) {
            loadData(parent);
@@ -222,6 +229,9 @@ public class Peer {
            persistentKeepalive = in.readString();
            preSharedKey = in.readString();
            publicKey = in.readString();
+            numSiblings = in.readInt();
+            interfaceDNSRoutes = new ArrayList<>();
+            in.readStringList(interfaceDNSRoutes);
        }

        public static Observable newInstance() {
@@ -245,6 +255,35 @@ public class Peer {
            return 0;
        }

+        private static final String DEFAULT_ROUTE_V4 = "0.0.0.0/0";
+        private static final List<String> DEFAULT_ROUTE_MOD_RFC1918_V4 = Arrays.asList("0.0.0.0/5", "8.0.0.0/7", "11.0.0.0/8", "12.0.0.0/6", "16.0.0.0/4", "32.0.0.0/3", "64.0.0.0/2", "128.0.0.0/3", "160.0.0.0/5", "168.0.0.0/6", "172.0.0.0/12", "172.32.0.0/11", "172.64.0.0/10", "172.128.0.0/9", "173.0.0.0/8", "174.0.0.0/7", "176.0.0.0/4", "192.0.0.0/9", "192.128.0.0/11", "192.160.0.0/13", "192.169.0.0/16", "192.170.0.0/15", "192.172.0.0/14", "192.176.0.0/12", "192.192.0.0/10", "193.0.0.0/8", "194.0.0.0/7", "196.0.0.0/6", "200.0.0.0/5", "208.0.0.0/4");
+
+        public void toggleExcludePrivateIPs() {
+            final Collection<String> ips = new HashSet<>(Arrays.asList(Attribute.stringToList(allowedIPs)));
+            final boolean hasDefaultRoute = ips.contains(DEFAULT_ROUTE_V4);
+            final boolean hasDefaultRouteModRFC1918 = ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
+            if ((!hasDefaultRoute && !hasDefaultRouteModRFC1918) || numSiblings > 0)
+                return;
+            Iterables.removeIf(ips, ip -> !ip.contains(":"));
+            if (hasDefaultRoute) {
+                ips.addAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
+                ips.addAll(interfaceDNSRoutes);
+            } else if (hasDefaultRouteModRFC1918)
+                ips.add(DEFAULT_ROUTE_V4);
+            setAllowedIPs(Attribute.iterableToString(ips));
+        }
+
+        @Bindable
+        public boolean getCanToggleExcludePrivateIPs() {
+            final Collection<String> ips = Arrays.asList(Attribute.stringToList(allowedIPs));
+            return numSiblings == 0 && (ips.contains(DEFAULT_ROUTE_V4) || ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4));
+        }
+
+        @Bindable
+        public boolean getIsExcludePrivateIPsOn() {
+            return numSiblings == 0 && Arrays.asList(Attribute.stringToList(allowedIPs)).containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
+        }
+
        @Bindable
        public String getAllowedIPs() {
            return allowedIPs;
@@ -276,11 +315,14 @@ public class Peer {
            persistentKeepalive = parent.getPersistentKeepaliveString();
            preSharedKey = parent.getPreSharedKey();
            publicKey = parent.getPublicKey();
+            interfaceDNSRoutes = new ArrayList<>();
        }

        public void setAllowedIPs(final String allowedIPs) {
            this.allowedIPs = allowedIPs;
            notifyPropertyChanged(BR.allowedIPs);
+            notifyPropertyChanged(BR.canToggleExcludePrivateIPs);
+            notifyPropertyChanged(BR.isExcludePrivateIPsOn);
        }

        public void setEndpoint(final String endpoint) {
@@ -303,6 +345,27 @@ public class Peer {
            notifyPropertyChanged(BR.publicKey);
        }

+        public void setInterfaceDNSRoutes(final String dnsServers) {
+            final Collection<String> ips = new HashSet<>(Arrays.asList(Attribute.stringToList(allowedIPs)));
+            final boolean modifyAllowedIPs = ips.containsAll(DEFAULT_ROUTE_MOD_RFC1918_V4);
+
+            ips.removeAll(interfaceDNSRoutes);
+            interfaceDNSRoutes.clear();
+            for (final String dnsServer : Attribute.stringToList(dnsServers)) {
+                if (!dnsServer.contains(":"))
+                    interfaceDNSRoutes.add(dnsServer + "/32");
+            }
+            ips.addAll(interfaceDNSRoutes);
+            if (modifyAllowedIPs)
+                setAllowedIPs(Attribute.iterableToString(ips));
+        }
+
+        public void setNumSiblings(final int num) {
+            numSiblings = num;
+            notifyPropertyChanged(BR.canToggleExcludePrivateIPs);
+            notifyPropertyChanged(BR.isExcludePrivateIPsOn);
+        }
+
        @Override
        public void writeToParcel(final Parcel dest, final int flags) {
            dest.writeString(allowedIPs);
@@ -310,6 +373,8 @@ public class Peer {
            dest.writeString(persistentKeepalive);
            dest.writeString(preSharedKey);
            dest.writeString(publicKey);
+            dest.writeInt(numSiblings);
+            dest.writeStringList(interfaceDNSRoutes);
        }
    }
 }
@@ -1,6 +1,6 @@
 /*
 * Copyright © 2016 Southern Storm Software, Pty Ltd.
- * SPDX-License-Identifier: MIT
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.crypto;
@@ -10,23 +10,23 @@ import java.util.Arrays;
 /**
 * Implementation of the Curve25519 elliptic curve algorithm.
 * <p>
+ * This implementation was imported to WireGuard from noise-java:
+ * https://github.com/rweather/noise-java
+ * <p>
 * This implementation is based on that from arduinolibs:
 * https://github.com/rweather/arduinolibs
 * <p>
- * This implementation is copied verbatim from noise-java:
- * https://github.com/rweather/noise-java
- * <p>
 * Differences in this version are due to using 26-bit limbs for the
 * representation instead of the 8/16/32-bit limbs in the original.
 * <p>
 * References: http://cr.yp.to/ecdh.html, RFC 7748
 */
-@SuppressWarnings("MagicNumber")
+@SuppressWarnings({"MagicNumber", "NonConstantFieldWithUpperCaseName", "SuspiciousNameCombination"})
 public final class Curve25519 {
-
    // Numbers modulo 2^255 - 19 are broken up into ten 26-bit words.
    private static final int NUM_LIMBS_255BIT = 10;
    private static final int NUM_LIMBS_510BIT = 20;
+
    private final int[] A;
    private final int[] AA;
    private final int[] B;
@@ -152,6 +152,38 @@ public final class Curve25519 {
        }
    }

+    /**
+     * Subtracts two numbers modulo 2^255 - 19.
+     *
+     * @param result The result.
+     * @param x      The first number to subtract.
+     * @param y      The second number to subtract.
+     */
+    private static void sub(final int[] result, final int[] x, final int[] y) {
+        int index;
+        int borrow;
+
+        // Subtract y from x to generate the intermediate result.
+        borrow = 0;
+        for (index = 0; index < NUM_LIMBS_255BIT; ++index) {
+            borrow = x[index] - y[index] - ((borrow >> 26) & 0x01);
+            result[index] = borrow & 0x03FFFFFF;
+        }
+
+        // If we had a borrow, then the result has gone negative and we
+        // have to add 2^255 - 19 to the result to make it positive again.
+        // The top bits of "borrow" will be all 1's if there is a borrow
+        // or it will be all 0's if there was no borrow.  Easiest is to
+        // conditionally subtract 19 and then mask off the high bits.
+        borrow = result[0] - ((-((borrow >> 26) & 0x01)) & 19);
+        result[0] = borrow & 0x03FFFFFF;
+        for (index = 1; index < NUM_LIMBS_255BIT; ++index) {
+            borrow = result[index] - ((borrow >> 26) & 0x01);
+            result[index] = borrow & 0x03FFFFFF;
+        }
+        result[NUM_LIMBS_255BIT - 1] &= 0x001FFFFF;
+    }
+
    /**
     * Adds two numbers modulo 2^255 - 19.
     *
@@ -160,8 +192,7 @@ public final class Curve25519 {
     * @param y      The second number to add.
     */
    private void add(final int[] result, final int[] x, final int[] y) {
-        int carry;
-        carry = x[0] + y[0];
+        int carry = x[0] + y[0];
        result[0] = carry & 0x03FFFFFF;
        for (int index = 1; index < NUM_LIMBS_255BIT; ++index) {
            carry = (carry >> 26) + x[index] + y[index];
@@ -200,12 +231,13 @@ public final class Curve25519 {
     */
    private void evalCurve(final byte[] s) {
        int sposn = 31;
+        int sbit = 6;
        int svalue = s[sposn] | 0x40;
        int swap = 0;

        // Iterate over all 255 bits of "s" from the highest to the lowest.
        // We ignore the high bit of the 256-bit representation of "s".
-        for (int sbit = 6; ; ) {
+        while (true) {
            // Conditional swaps on entry to this bit but only if we
            // didn't swap on the previous bit.
            final int select = (svalue >> sbit) & 0x01;
@@ -263,14 +295,12 @@ public final class Curve25519 {
     * @param y      The second number to multiply.
     */
    private void mul(final int[] result, final int[] x, final int[] y) {
-        int i;
-
        // Multiply the two numbers to create the intermediate result.
        long v = x[0];
-        for (i = 0; i < NUM_LIMBS_255BIT; ++i) {
+        for (int i = 0; i < NUM_LIMBS_255BIT; ++i) {
            t1[i] = v * y[i];
        }
-        for (i = 1; i < NUM_LIMBS_255BIT; ++i) {
+        for (int i = 1; i < NUM_LIMBS_255BIT; ++i) {
            v = x[i];
            for (int j = 0; j < (NUM_LIMBS_255BIT - 1); ++j) {
                t1[i + j] += v * y[j];
@@ -281,7 +311,7 @@ public final class Curve25519 {
        // Propagate carries and convert back into 26-bit words.
        v = t1[0];
        t2[0] = ((int) v) & 0x03FFFFFF;
-        for (i = 1; i < NUM_LIMBS_510BIT; ++i) {
+        for (int i = 1; i < NUM_LIMBS_510BIT; ++i) {
            v = (v >> 26) + t1[i];
            t2[i] = ((int) v) & 0x03FFFFFF;
        }
@@ -315,8 +345,6 @@ public final class Curve25519 {
     * @param x      The argument.
     */
    private void pow250(final int[] result, final int[] x) {
-        int j;
-
        // The big-endian hexadecimal expansion of (2^250 - 1) is:
        // 03FFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
        //
@@ -329,11 +357,11 @@ public final class Curve25519 {

        // Build a pattern of 250 bits in length of repeated copies of 0000000001.
        square(A, x);
-        for (j = 0; j < 9; ++j)
+        for (int j = 0; j < 9; ++j)
            square(A, A);
        mul(result, A, x);
        for (int i = 0; i < 23; ++i) {
-            for (j = 0; j < 10; ++j)
+            for (int j = 0; j < 10; ++j)
                square(A, A);
            mul(result, result, A);
        }
@@ -342,7 +370,7 @@ public final class Curve25519 {
        // the result to "fill in" the gaps in the pattern.
        square(A, result);
        mul(result, result, A);
-        for (j = 0; j < 8; ++j) {
+        for (int j = 0; j < 8; ++j) {
            square(A, A);
            mul(result, result, A);
        }
@@ -381,18 +409,14 @@ public final class Curve25519 {
     * @param size   The number of limbs in the high order half of x.
     */
    private void reduce(final int[] result, final int[] x, final int size) {
-        int index;
-        int limb;
-        int carry;
-
        // Calculate (x mod 2^255) + ((x / 2^255) * 19) which will
        // either produce the answer we want or it will produce a
        // value of the form "answer + j * (2^255 - 19)".  There are
        // 5 left-over bits in the top-most limb of the bottom half.
-        carry = 0;
-        limb = x[NUM_LIMBS_255BIT - 1] >> 21;
+        int carry = 0;
+        int limb = x[NUM_LIMBS_255BIT - 1] >> 21;
        x[NUM_LIMBS_255BIT - 1] &= 0x001FFFFF;
-        for (index = 0; index < size; ++index) {
+        for (int index = 0; index < size; ++index) {
            limb += x[NUM_LIMBS_255BIT + index] << 5;
            carry += (limb & 0x03FFFFFF) * 19 + x[index];
            x[index] = carry & 0x03FFFFFF;
@@ -402,7 +426,7 @@ public final class Curve25519 {
        if (size < NUM_LIMBS_255BIT) {
            // The high order half of the number is short; e.g. for mulA24().
            // Propagate the carry through the rest of the low order part.
-            for (index = size; index < NUM_LIMBS_255BIT; ++index) {
+            for (int index = size; index < NUM_LIMBS_255BIT; ++index) {
                carry += x[index];
                x[index] = carry & 0x03FFFFFF;
                carry >>= 26;
@@ -417,7 +441,7 @@ public final class Curve25519 {
        // top 5 bits of the highest limb of the bottom half.
        carry = (x[NUM_LIMBS_255BIT - 1] >> 21) * 19;
        x[NUM_LIMBS_255BIT - 1] &= 0x001FFFFF;
-        for (index = 0; index < NUM_LIMBS_255BIT; ++index) {
+        for (int index = 0; index < NUM_LIMBS_255BIT; ++index) {
            carry += x[index];
            result[index] = carry & 0x03FFFFFF;
            carry >>= 26;
@@ -436,14 +460,11 @@ public final class Curve25519 {
     * @param x The number to reduce, and the result.
     */
    private void reduceQuick(final int[] x) {
-        int index;
-        int carry;
-
        // Perform a trial subtraction of (2^255 - 19) from "x" which is
        // equivalent to adding 19 and subtracting 2^255.  We add 19 here;
        // the subtraction of 2^255 occurs in the next step.
-        carry = 19;
-        for (index = 0; index < NUM_LIMBS_255BIT; ++index) {
+        int carry = 19;
+        for (int index = 0; index < NUM_LIMBS_255BIT; ++index) {
            carry += x[index];
            t2[index] = carry & 0x03FFFFFF;
            carry >>= 26;
@@ -457,7 +478,7 @@ public final class Curve25519 {
        final int mask = -((t2[NUM_LIMBS_255BIT - 1] >> 21) & 0x01);
        final int nmask = ~mask;
        t2[NUM_LIMBS_255BIT - 1] &= 0x001FFFFF;
-        for (index = 0; index < NUM_LIMBS_255BIT; ++index)
+        for (int index = 0; index < NUM_LIMBS_255BIT; ++index)
            x[index] = (x[index] & nmask) | (t2[index] & mask);
    }

@@ -470,36 +491,4 @@ public final class Curve25519 {
    private void square(final int[] result, final int[] x) {
        mul(result, x, x);
    }
-
-    /**
-     * Subtracts two numbers modulo 2^255 - 19.
-     *
-     * @param result The result.
-     * @param x      The first number to subtract.
-     * @param y      The second number to subtract.
-     */
-    private static void sub(final int[] result, final int[] x, final int[] y) {
-        int index;
-        int borrow;
-
-        // Subtract y from x to generate the intermediate result.
-        borrow = 0;
-        for (index = 0; index < NUM_LIMBS_255BIT; ++index) {
-            borrow = x[index] - y[index] - ((borrow >> 26) & 0x01);
-            result[index] = borrow & 0x03FFFFFF;
-        }
-
-        // If we had a borrow, then the result has gone negative and we
-        // have to add 2^255 - 19 to the result to make it positive again.
-        // The top bits of "borrow" will be all 1's if there is a borrow
-        // or it will be all 0's if there was no borrow.  Easiest is to
-        // conditionally subtract 19 and then mask off the high bits.
-        borrow = result[0] - ((-((borrow >> 26) & 0x01)) & 19);
-        result[0] = borrow & 0x03FFFFFF;
-        for (index = 1; index < NUM_LIMBS_255BIT; ++index) {
-            borrow = result[index] - ((borrow >> 26) & 0x01);
-            result[index] = borrow & 0x03FFFFFF;
-        }
-        result[NUM_LIMBS_255BIT - 1] &= 0x001FFFFF;
-    }
 }
@@ -1,6 +1,6 @@
 /*
 * Copyright © 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.crypto;
@@ -1,7 +1,7 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
 * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

 package com.wireguard.crypto;
@@ -1,10 +1,9 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

-package com.wireguard.android.util;
+package com.wireguard.util;

 /**
 * Interface for objects that have a identifying key of the given type.
@@ -1,10 +1,9 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

-package com.wireguard.android.util;
+package com.wireguard.util;

 import java.util.Collection;
 import java.util.List;
@@ -1,10 +1,9 @@
 /*
 * Copyright © 2018 Samuel Holland <samuel@sholland.org>
- * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- * SPDX-License-Identifier: GPL-2.0-or-later
+ * SPDX-License-Identifier: Apache-2.0
 */

-package com.wireguard.android.util;
+package com.wireguard.util;

 import java.util.Collection;
 import java.util.Comparator;
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="?android:attr/colorBackground"
+        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z" />
+</vector>
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:width="24dp"
+    android:height="24dp">
+    <path
+        android:fillColor="?android:attr/colorForeground"
+        android:pathData="M3 5L5 5 5 3C3.9 3 3 3.9 3 5Zm0 8l2 0 0 -2 -2 0 0 2zm4 8l2 0 0 -2 -2 0 0 2zM3 9L5 9 5 7 3 7 3 9Zm10 -6l-2 0 0 2 2 0 0 -2zm6 0l0 2 2 0C21 3.9 20.1 3 19 3ZM5 21L5 19 3 19c0 1.1 0.9 2 2 2zm-2 -4l2 0 0 -2 -2 0 0 2zM9 3L7 3 7 5 9 5 9 3Zm2 18l2 0 0 -2 -2 0 0 2zm8 -8l2 0 0 -2 -2 0 0 2zm0 8c1.1 0 2 -0.9 2 -2l-2 0 0 2zm0 -12l2 0 0 -2 -2 0 0 2zm0 8l2 0 0 -2 -2 0 0 2zm-4 4l2 0 0 -2 -2 0 0 2zm0 -16l2 0 0 -2 -2 0 0 2zM7 17L17 17 17 7 7 7 7 17Zm2 -8l6 0 0 6 -6 0 0 -6z" />
+</vector>
@@ -1,29 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="400dp"
-    android:height="400dp"
-    android:viewportHeight="400.0"
-    android:viewportWidth="400.0">
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#ffffff"
-        android:pathData="M197.7,0C191.5,0.1 185.2,0.5 178.7,1.1C191.1,4 202.2,6.6 213.4,9.2C213.3,9.8 213.1,10.5 213,11.2C198.1,13.2 183.9,7.7 169.3,5.7C174.6,8.8 180,11.7 185.5,14.2C191.2,16.7 197,18.8 202.8,21.2C195.4,27.5 188,28.8 178.7,26.7C173.7,25.6 168.3,25 163.1,25.2C157.8,25.5 152.4,26.8 147.5,30C152.7,32.7 157.5,34.8 162.1,37.5C163.9,38.6 166.1,40.4 166.6,42.4C167.8,46.9 168.2,51.8 168.9,56.5C160.4,57.5 145.4,66.1 142.4,71.7C155.5,74.3 169.7,71.2 182.2,79.6C178.1,82.8 168.5,86.6 165,89.3C169.3,90.4 179.4,89.9 183.3,89.6C186.6,89.4 188.2,89.3 189.5,90.4L228,120.6C232.1,123.8 248.4,139.3 252.7,149C256.3,157.3 256.8,164.4 256.8,166.1C256.8,170.7 256.2,177.9 253,186C252.7,186.9 252,188.3 251.2,189.8L280.8,219.4C288.3,207.7 293.4,194.5 296.3,180C299.6,163.2 299.4,146.5 291.7,130.5C285.8,118.3 276.1,109.4 265.8,101.3C255.1,93 243.7,85.4 233.1,77C230.2,74.8 228.3,70.8 226.9,67.3C226.4,65.8 228.2,61.7 229.4,61.5C236,60.3 242.6,59.7 249.3,59.4C256.9,59.2 264.6,59.4 272.3,59.5C274,59.5 276.2,59.3 277.2,60.3C281.2,64.2 284.3,61.6 287,59.1C289.4,56.9 291,54 292.9,51.6C291.7,51.4 289.4,50.9 287.1,50.8C279.4,50.6 271.7,50.7 264,50.5C262.6,50.4 261.3,49 259.9,48.2C261.3,47.6 262.8,46.6 264.2,46.6C277.5,46.5 290.8,46.5 304.1,46.5C304.2,39.6 294.9,30.1 286.7,27.5C286.6,28.5 286.5,29.3 286.5,30.3C278.3,30.5 270.3,30.3 263,26.4C261.1,25.4 259.8,23.1 258.3,21.5C256.3,19.3 254.7,16.6 252.3,15.2C247.4,12.3 242,10.3 236.9,7.8C224.3,1.7 211.3,-0.1 197.7,0zM249.6,29.4C250.3,29.4 250.9,29.6 251.6,30.2C252.6,31 253.6,31.9 254.8,33C253.3,33.8 252,34.5 250.8,35.1C249,36 247.6,35.4 246.5,34C245.6,32.8 245.5,31.7 246.8,30.7C247.7,30 248.6,29.4 249.6,29.4zM231.8,213C220.7,221.9 207.6,227.2 193.6,230.1C152.7,238.5 118.7,282.2 128.3,330.3C139.5,386.5 201.5,416.9 252.2,390.2C285,372.9 302.3,339.2 297.7,302.5C295.9,288.1 291,275.4 283.1,264.3L265.1,246.3C264.2,246.2 263.2,246.6 261.9,247.5C253.1,253.1 244.2,258.4 235.1,263.4C229.9,266.2 224.2,268.3 217.7,271.2C219.9,271.8 221,272.1 222.1,272.4C246.5,278.9 259.6,300.3 253.8,324.4C248.7,345.7 227,359.4 205.9,355.8C188.4,352.8 173.1,338.2 170.5,320.8C167.8,301.8 177.2,283.5 194.1,275.9C203.4,271.6 213,267.9 222.3,263.6C232.9,258.7 244.4,254.9 253.6,248.1C256.2,246.2 258.7,244.2 261,242.2L231.8,213z"
-        android:strokeColor="#00000000"
-        android:strokeWidth="1.3750788" />
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#ffffff"
-        android:pathData="m97.9,307.6c-7.8,2 -15.4,4.9 -23.4,7.5 3.9,-26.3 34.7,-50.6 60.8,-47.8 -8.1,10.9 -11.8,23.3 -12.7,35.6 -8.7,1.6 -16.8,2.7 -24.8,4.7"
-        android:strokeColor="#00000000"
-        android:strokeWidth="1.3750788" />
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#ffffff"
-        android:pathData="M177,111.6C175.7,111.6 174.4,111.7 173.1,111.7L247,185.6C248.1,183.2 249,180.6 249.9,177.9C252.2,170.4 251.8,159.3 248,152.1C234.7,126.6 206.6,111.3 177,111.6zM139.7,120.9C137.9,121.8 136.1,122.9 134.3,124C81.2,156.4 84.3,231 132.9,260.7C136.6,263 138.3,262.7 140.8,259.4C148.4,249.2 157.9,241.1 169,234.9C171.7,233.3 174.5,231.9 178.1,230C154,225.8 141.1,214.8 139.6,197.8C137.9,179.4 146.9,164.5 163.2,158.3C167,156.9 171,156.2 174.9,156.1L139.7,120.9zM212.5,193.7C212.5,195.8 212.3,197.9 211.8,200.1C209.9,210.5 203.6,218.1 195.8,224.8C208.5,221.9 219.6,216.9 228.6,209.7L212.5,193.7z"
-        android:strokeColor="#00000000"
-        android:strokeWidth="1.3750788" />
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#ffffff"
-        android:pathData="M78.4,59.6l262,262l-21.3,21.3l-262,-262z"
-        android:strokeWidth="0.82064575" />
-</vector>
@@ -2,4 +2,5 @@
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
    android:color="@color/list_item_ripple"> <!-- TODO(msf): themeify this -->
    <item android:drawable="@drawable/list_item_background" />
+    <item android:id="@android:id/mask" android:drawable="@android:color/white" />
 </ripple>
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <import type="android.view.View" />
+
+        <import type="com.wireguard.android.model.ApplicationData" />
+
+        <variable
+            name="fragment"
+            type="com.wireguard.android.fragment.AppListDialogFragment" />
+
+        <variable
+            name="appData"
+            type="com.wireguard.android.util.ObservableKeyedList&lt;String, ApplicationData&gt;" />
+    </data>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:minHeight="200dp" >
+
+        <ProgressBar
+            android:id="@+id/progress_bar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:indeterminate="true"
+            android:visibility="@{appData.isEmpty() ? View.VISIBLE : View.GONE}"/>
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/app_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:items="@{appData}"
+            app:layout="@{@layout/app_list_item}" />
+
+    </FrameLayout>
+
+
+</layout>
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <import type="com.wireguard.android.model.ApplicationData" />
+
+        <variable
+            name="collection"
+            type="com.wireguard.android.util.ObservableKeyedList&lt;String, com.wireguard.android.model.ApplicationData&gt;" />
+
+        <variable
+            name="key"
+            type="String" />
+
+        <variable
+            name="item"
+            type="com.wireguard.android.model.ApplicationData" />
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/list_item_background_anim"
+        android:padding="16dp"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:onClick="@{(view) -> item.setExcludedFromTunnel(!item.excludedFromTunnel)}">
+
+        <ImageView
+            android:id="@+id/app_icon"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:src="@{item.icon}" />
+
+        <TextView
+            android:id="@+id/app_name"
+            style="?android:attr/textAppearanceMedium"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:paddingEnd="8dp"
+            android:paddingStart="8dp"
+            android:text="@{key}" />
+
+        <CheckBox
+            android:id="@+id/excluded_checkbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:checked="@={item.excludedFromTunnel}" />
+
+    </LinearLayout>
+</layout>
@@ -5,12 +5,14 @@

    <data>

-        <import type="com.wireguard.android.fragment.TunnelController" />
-
        <import type="com.wireguard.android.model.Tunnel.State" />

        <import type="com.wireguard.android.util.ClipboardUtils" />

+        <variable
+            name="fragment"
+            type="com.wireguard.android.fragment.TunnelDetailFragment" />
+
        <variable
            name="tunnel"
            type="com.wireguard.android.model.Tunnel" />
@@ -63,7 +65,7 @@
                        android:layout_alignBaseline="@+id/interface_title"
                        android:layout_alignParentEnd="true"
                        app:checked="@{tunnel.state == State.UP}"
-                        app:onBeforeCheckedChanged="@{TunnelController::setTunnelState}" />
+                        app:onBeforeCheckedChanged="@{fragment::setTunnelState}" />

                    <TextView
                        android:id="@+id/interface_name_label"
@@ -13,6 +13,10 @@

        <import type="com.wireguard.config.Peer" />

+        <variable
+            name="fragment"
+            type="com.wireguard.android.fragment.TunnelEditorFragment" />
+
        <variable
            name="config"
            type="com.wireguard.config.Config.Observable" />
@@ -96,6 +100,7 @@
                            app:filter="@{KeyInputFilter.newInstance()}" />

                        <Button
+                            style="@style/Widget.AppCompat.Button.Borderless.Colored"
                            android:id="@+id/generate_private_key_button"
                            android:layout_width="96dp"
                            android:layout_height="wrap_content"
@@ -210,6 +215,16 @@
                            android:inputType="number"
                            android:text="@={config.interfaceSection.mtu}"
                            android:textAlignment="center" />
+
+                        <Button
+                            style="@style/Widget.AppCompat.Button.Borderless.Colored"
+                            android:id="@+id/set_excluded_applications"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_marginLeft="-8dp"
+                            android:layout_below="@+id/dns_servers_text"
+                            android:onClick="@{fragment::onRequestSetExcludedApplications}"
+                            android:text="@{@plurals/set_excluded_applications(config.interfaceSection.excludedApplicationsCount, config.interfaceSection.excludedApplicationsCount)}" />
                    </RelativeLayout>
                </android.support.v7.widget.CardView>

@@ -223,6 +238,7 @@
                    tools:ignore="UselessLeaf" />

                <Button
+                    style="@style/Widget.AppCompat.Button.Colored"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="4dp"
@@ -4,6 +4,7 @@

    <data>

+        <import type="android.view.View"/>
        <import type="com.wireguard.android.widget.KeyInputFilter" />

        <variable
@@ -92,9 +93,21 @@
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/pre_shared_key_text"
+                android:layout_toStartOf="@+id/exclude_private_ips"
                android:labelFor="@+id/allowed_ips_text"
                android:text="@string/allowed_ips" />

+            <CheckBox
+                android:id="@+id/exclude_private_ips"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignBaseline="@+id/allowed_ips_label"
+                android:layout_alignParentEnd="true"
+                android:checked="@{item.isExcludePrivateIPsOn}"
+                android:onClick="@{() -> item.toggleExcludePrivateIPs()}"
+                android:text="@string/exclude_private_ips"
+                android:visibility="@{item.canToggleExcludePrivateIPs ? View.VISIBLE : View.GONE}" />
+
            <EditText
                android:id="@+id/allowed_ips_text"
                android:layout_width="match_parent"
@@ -10,6 +10,10 @@
            name="fragment"
            type="com.wireguard.android.fragment.TunnelListFragment" />

+        <variable
+            name="rowConfigurationHandler"
+            type="com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler" />
+
        <variable
            name="tunnels"
            type="com.wireguard.android.util.ObservableKeyedList&lt;String, Tunnel&gt;" />
@@ -19,42 +23,44 @@
        android:id="@+id/main_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
-        android:background="?android:attr/colorBackground">
+        android:background="?android:attr/colorBackground"
+        android:clipChildren="false">

-        <ListView
+        <android.support.v7.widget.RecyclerView
            android:id="@+id/tunnel_list"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:choiceMode="multipleChoiceModal"
            app:items="@{tunnels}"
-            app:layout="@{@layout/tunnel_list_item}" />
+            app:layout="@{@layout/tunnel_list_item}"
+            app:configurationHandler="@{rowConfigurationHandler}" />

        <com.wireguard.android.widget.fab.FloatingActionsMenu
            android:id="@+id/create_menu"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
-            android:layout_margin="8dp"
+            android:layout_margin="16dp"
            app:fab_labelStyle="@style/fab_label"
-            app:fab_labelsPosition="left"
-            app:layout_dodgeInsetEdges="bottom">
+            android:clipChildren="false"
+            app:fab_labelsPosition="left" >

-            <com.wireguard.android.widget.fab.FloatingActionButton
+            <com.wireguard.android.widget.fab.LabeledFloatingActionButton
                android:id="@+id/create_empty"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:onClick="@{fragment::onRequestCreateConfig}"
-                app:fab_icon="@drawable/ic_action_edit_inverse"
-                app:fab_size="mini"
+                app:fabSize="mini"
+                app:srcCompat="@drawable/ic_action_edit_inverse"
                app:fab_title="@string/create_empty" />

-            <com.wireguard.android.widget.fab.FloatingActionButton
+            <com.wireguard.android.widget.fab.LabeledFloatingActionButton
                android:id="@+id/create_from_file"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:onClick="@{fragment::onRequestImportConfig}"
-                app:fab_icon="@drawable/ic_action_open_inverse"
-                app:fab_size="mini"
+                app:srcCompat="@drawable/ic_action_open_inverse"
+                app:fabSize="mini"
                app:fab_title="@string/create_from_file" />
        </com.wireguard.android.widget.fab.FloatingActionsMenu>
    </android.support.design.widget.CoordinatorLayout>
@@ -4,8 +4,6 @@

    <data>

-        <import type="com.wireguard.android.fragment.TunnelController" />
-
        <import type="com.wireguard.android.model.Tunnel" />

        <import type="com.wireguard.android.model.Tunnel.State" />
@@ -21,6 +19,10 @@
        <variable
            name="item"
            type="com.wireguard.android.model.Tunnel" />
+
+        <variable
+            name="fragment"
+            type="com.wireguard.android.fragment.TunnelListFragment" />
    </data>

    <RelativeLayout
@@ -49,6 +51,6 @@
            android:layout_alignBaseline="@+id/tunnel_name"
            android:layout_alignParentEnd="true"
            app:checked="@{item.state == State.UP}"
-            app:onBeforeCheckedChanged="@{TunnelController::setTunnelState}" />
+            app:onBeforeCheckedChanged="@{fragment::setTunnelState}" />
    </RelativeLayout>
 </layout>
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/menu_action_select_all"
+        android:alphabeticShortcut="s"
+        android:icon="@drawable/ic_action_select_all"
+        android:title="@string/select_all"
+        app:showAsAction="always" />
    <item
        android:id="@+id/menu_action_delete"
        android:alphabeticShortcut="d"
@@ -3,46 +3,18 @@
    <item name="fab_expand_menu_button" type="id"/>
    <item name="fab_label" type="id"/>

-    <dimen name="fab_size_normal">56dp</dimen>
-    <dimen name="fab_size_mini">40dp</dimen>
-
-    <dimen name="fab_icon_size">24dp</dimen>
-
-    <dimen name="fab_plus_icon_size">14dp</dimen>
-    <dimen name="fab_plus_icon_stroke">2dp</dimen>
-
    <dimen name="fab_shadow_offset">3dp</dimen>
    <dimen name="fab_shadow_radius">9dp</dimen>

    <dimen name="fab_stroke_width">1dp</dimen>

-    <dimen name="fab_actions_spacing">16dp</dimen>
+    <dimen name="fab_actions_spacing">24dp</dimen>
    <dimen name="fab_labels_margin">8dp</dimen>

-    <declare-styleable name="FloatingActionButton">
-        <attr name="fab_colorPressed" format="color"/>
-        <attr name="fab_colorDisabled" format="color"/>
-        <attr name="fab_colorNormal" format="color"/>
-        <attr name="fab_icon" format="reference"/>
-        <attr name="fab_size" format="enum">
-            <enum name="normal" value="0"/>
-            <enum name="mini" value="1"/>
-        </attr>
+    <declare-styleable name="LabeledFloatingActionButton">
        <attr name="fab_title" format="string"/>
-        <attr name="fab_stroke_visible" format="boolean"/>
-    </declare-styleable>
-    <declare-styleable name="AddFloatingActionButton">
-        <attr name="fab_plusIconColor" format="color"/>
    </declare-styleable>
    <declare-styleable name="FloatingActionsMenu">
-        <attr name="fab_addButtonColorPressed" format="color"/>
-        <attr name="fab_addButtonColorNormal" format="color"/>
-        <attr name="fab_addButtonSize" format="enum">
-            <enum name="normal" value="0"/>
-            <enum name="mini" value="1"/>
-        </attr>
-        <attr name="fab_addButtonPlusIconColor" format="color"/>
-        <attr name="fab_addButtonStrokeVisible" format="boolean"/>
        <attr name="fab_labelStyle" format="reference"/>
        <attr name="fab_labelsPosition" format="enum">
            <enum name="left" value="0"/>
@@ -24,6 +24,7 @@
    <string name="addresses">Addresses</string>
    <string name="allowed_ips">Allowed IPs</string>
    <string name="app_name">WireGuard</string>
+    <string name="cancel">Cancel</string>
    <string name="config_save_error">Unable to save configuration for “%s”: %s</string>
    <string name="config_save_success">Successfully saved configuration for “%s”</string>
    <string name="create_activity_title">Create WireGuard Tunnel</string>
@@ -33,12 +34,17 @@
    <string name="dark_theme_summary_on">Currently using dark night theme</string>
    <string name="dark_theme_summary_off">Currently using light day theme</string>
    <string name="delete">Delete</string>
+    <string name="deselect_all">Deselect All</string>
+    <string name="select_all">Select all</string>
    <string name="dns_servers">DNS servers</string>
    <string name="edit">Edit</string>
    <string name="endpoint">Endpoint</string>
+    <string name="error_fetching_apps">Error fetching apps list: %s</string>
    <string name="error_down">Error bringing down tunnel: %s</string>
    <string name="error_root">Please obtain root access and try again</string>
    <string name="error_up">Error bringing up tunnel: %s</string>
+    <string name="excluded_applications">Excluded Applications</string>
+    <string name="exclude_private_ips">Exclude private IPs</string>
    <string name="generate">Generate</string>
    <string name="hint_automatic">(auto)</string>
    <string name="hint_generated">(generated)</string>
@@ -65,18 +71,22 @@
    <string name="restore_on_boot_summary">Bring up previously-enabled tunnels on boot</string>
    <string name="restore_on_boot_title">Restore on boot</string>
    <string name="save">Save</string>
+    <plurals name="set_excluded_applications">
+        <item quantity="one">%d Excluded Application</item>
+        <item quantity="other">%d Excluded Applications</item>
+    </plurals>
+    <string name="set_exclusions">Set Exclusions</string>
    <string name="settings">Settings</string>
    <string name="toggle_error">Error toggling WireGuard tunnel: %s</string>
    <string name="tools_installer_already">wg and wg-quick are already installed</string>
    <string name="tools_installer_failure">Unable to install command-line tools (no root?)</string>
    <string name="tools_installer_initial">Install optional tools for scripting</string>
+    <string name="tools_installer_working">Installing wg and wg-quick</string>
    <string name="tools_installer_initial_system">Install optional tools for scripting into the system partition</string>
    <string name="tools_installer_initial_magisk">Install optional tools for scripting as Magisk module</string>
    <string name="tools_installer_success_system">wg and wg-quick installed into the system partition</string>
    <string name="tools_installer_success_magisk">wg and wg-quick installed as a Magisk module (reboot required)</string>
    <string name="tools_installer_title">Install command line tools</string>
-    <string name="tools_installer_working_system">Installing wg and wg-quick into the system partition</string>
-    <string name="tools_installer_working_magisk">Installing wg and wg-quick as a Magisk module</string>
    <string name="tunnel_create_error">Unable to create tunnel: %s</string>
    <string name="tunnel_create_success">Successfully created tunnel “%s”</string>
    <string name="tunnel_rename_error">Unable to rename tunnel: %s</string>
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
+/* SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
 */
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
+/* SPDX-License-Identifier: Apache-2.0
 *
 * Copyright © 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
 */
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
+/* SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
 */
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Jason A. Donenfeld	fbaa4d9ab1	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-12 02:14:25 +02:00
Harsh Shandilya	19b57c41b7	Address lint issues in TunnelListFragment Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-07-12 02:07:19 +02:00
Jason A. Donenfeld	26d762bc5c	TunnelEditorFragment: add DNSes to allowedIPs when excluding rfc1918 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-12 02:04:52 +02:00
Jason A. Donenfeld	eab0248aaa	Clean up warnings Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-11 21:03:22 +02:00
Jason A. Donenfeld	a5bbe171cb	fab: remove asus hack Let's hope Eric's changes make this no longer required. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-11 21:03:22 +02:00
Eric Kuck	5463086e75	fab: use support library's rendering Signed-off-by: Eric Kuck <eric@bluelinelabs.com>	2018-07-11 21:03:22 +02:00
Jason A. Donenfeld	1f7bdd4f5f	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-10 22:00:10 +02:00
Jason A. Donenfeld	3cf6aad083	QuickTileService: automatically slash the tile Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-09 18:55:55 +02:00
Jason A. Donenfeld	b997a2581b	BaseFragment: in the event no view is available, use toast Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-09 17:29:35 +02:00
Eric Kuck	d7ea078cdf	Request VPN permissions on activation Signed-off-by: Eric Kuck <eric@bluelinelabs.com>	2018-07-09 17:08:41 +02:00
Jason A. Donenfeld	d50e0f5fb9	Use instanceOf instead of getClass Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-08 23:59:25 +02:00
Eric Kuck	c696e9f275	Build with different name and ID in debug mode Signed-off-by: Eric Kuck <eric@bluelinelabs.com>	2018-07-08 03:26:42 +02:00
Jason A. Donenfeld	707c8c19a8	gradle: bump build tools version Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-08 03:18:15 +02:00
Eric Kuck	b37b48b8dc	Switch from ListView to RecyclerView Signed-off-by: Eric Kuck <eric@bluelinelabs.com>	2018-07-08 02:50:49 +02:00
Jason A. Donenfeld	2c7203ab8d	Another bump for misbuild Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 21:13:36 +02:00
Jason A. Donenfeld	d1a812042c	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 18:17:58 +02:00
Jason A. Donenfeld	78d976162d	PeerEditor: put exclusion checkbox next to label Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 18:17:58 +02:00
Jason A. Donenfeld	7078162c69	AppListDialogFragment: add deselect all button Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 18:17:58 +02:00
Jason A. Donenfeld	2742b09b5a	tools: update wg-quick for ExcludedApplications support Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 18:17:58 +02:00
Jason A. Donenfeld	7b28d51cdd	global: move to Apache 2.0 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 16:28:46 +02:00
Jason A. Donenfeld	d132087b3c	PeerEditor: add exclude private IPs functionality Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 16:28:46 +02:00
Jason A. Donenfeld	124f186983	TunnelEditor: fix nits Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 16:28:46 +02:00
Eric Kuck	500a705531	AppListDialogFragment: add implementation for excluding applications Signed-off-by: Eric Kuck <eric@bluelinelabs.com>	2018-07-06 04:14:19 +02:00
Jason A. Donenfeld	5729947d6c	TunnelEditor: better looking buttons Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-07-06 02:40:11 +02:00
Harsh Shandilya	363d0b9126	android: model: Make some methods static Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-30 21:19:59 +02:00
Harsh Shandilya	e985452f3b	android: FloatingActionsMenu: Don't create labels on ASUS' Android 5 devices They have completely wrecked the framework there and all efforts to work around their absolutely broken software have been in vain, hence let's atleast let users be able to use the app, labels or otherwise. Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-30 21:10:52 +02:00
Harsh Shandilya	5c9643a23b	android: VersionPreference: Handle no-browser-installed case Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-30 21:10:22 +02:00
Harsh Shandilya	0e3e3ae37b	android: Add select all button to action mode Thanks to Jason for suggesting the not-clinically-insane method to go about this. Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-30 21:07:24 +02:00
Harsh Shandilya	b41d473f64	wireguard: Bump snapshot Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-30 21:06:40 +02:00
Jason A. Donenfeld	3de549d2c7	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-25 16:18:57 +02:00
Jason A. Donenfeld	408e9004b0	libwg-quick: add iptables output allowance Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-25 16:16:27 +02:00
Jason A. Donenfeld	e1a66d5766	global: Small cleanups Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-25 16:10:02 +02:00
Harsh Shandilya	99cf2152c4	android: Consolidate getPrefActivity into FragmentUtils Signed-off-by: Harsh Shandilya <me@msfjarvis.dev> [Samuel: Changed static to non-static import] Signed-off-by: Samuel Holland <samuel@sholland.org>	2018-06-23 01:00:07 -05:00
Harsh Shandilya	53e8d425e9	QuickTileService: Remove useless override Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-23 00:57:31 -05:00
Harsh Shandilya	9e5f45da15	gradle: Style Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-23 00:57:31 -05:00
Harsh Shandilya	4c0caa10e9	treewide: Optimize imports Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>	2018-06-23 00:57:31 -05:00
Samuel Holland	b9991e4229	config: Refactor IPCidr and use of InetAddress Use a canonically-named utility class to tack on methods to the existing InetAddress class. Rename IPCidr to InetNetwork so it better matches InetAddress and is more pronouceable :) While here, simplify the constructor and toString() functions, and properly implement hashCode(). Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-19 21:59:44 -05:00
Samuel Holland	4acee49d4b	util: Extract non-Android utility interfaces As part of a refactoring that will likely introduce more custom collection classes, move the non-Android-specific parts outside the com.wireguard.android package. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-19 21:59:44 -05:00
Samuel Holland	d3a8291a7a	crypto: Slightly Java-ify the Curve25519 implementation Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-19 21:59:42 -05:00
Samuel Holland	bcae77b989	app: Regularly scheduled gradle updates Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-19 21:35:54 -05:00
Samuel Holland	de75ff4bea	idea: Disable an unwanted inspection Android Studio isn't smart enough to realize that the public/private keys and the keypair are effectively the same thing. Just turn off the inspection because it's usually tripped by intentional things. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-19 21:33:36 -05:00
Jason A. Donenfeld	b10a6171a5	Application: make lock final Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-17 22:34:22 +02:00
Jason A. Donenfeld	6534f45a3a	application: style fix Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-17 14:53:31 +02:00
Jason A. Donenfeld	373145d30e	Version bump for clat fix Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-17 05:25:42 +02:00
Jason A. Donenfeld	5feea74f28	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-14 05:07:15 +02:00
Jason A. Donenfeld	e8891d775b	global: supply backend asynchronously We can't block for IO, so move everything to async workers or to callbacks. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-14 05:06:18 +02:00
Jason A. Donenfeld	0f128f99a1	Version bump Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-12 05:46:02 +02:00
Jason A. Donenfeld	61e3441bfb	Application: require rootshell to use wgquick backend Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-12 05:42:24 +02:00
Jason A. Donenfeld	15e10d8fde	ToolsInstaller: safer state machine Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>	2018-06-10 05:17:09 +02:00