bump version

add verify-contact activities

AndroidManifest.xml

@@ -300,6 +300,14 @@
               android:windowSoftInputMode="stateVisible"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".QrScanActivity"
+            android:theme="@style/TextSecure.LightTheme"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
+     <activity android:name=".QrShowActivity"
+            android:theme="@style/TextSecure.LightTheme"
+            android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <activity android:name=".ClearProfileAvatarActivity"
               android:theme="@style/Theme.AppCompat.Dialog.Alert"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"
@@ -324,6 +332,10 @@
               android:theme="@style/TextSecure.LightNoActionBar"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
+    <activity android:name=".preferences.ChatBackgroundActivity"
+        android:theme="@style/TextSecure.LightTheme"
+        android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <service android:enabled="true" android:name="org.thoughtcrime.securesms.service.WebRtcCallService"/>
     <service android:enabled="true" android:exported="false" android:name=".service.KeyCachingService"/>
     <service android:enabled="true" android:name=".service.MessageRetrievalService"/>

build.gradle

@@ -83,6 +83,8 @@ dependencies {
     compile 'org.whispersystems:signal-service-android:2.7.6'
     compile 'org.whispersystems:webrtc-android:M68'
 
+    compile 'com.journeyapps:zxing-android-embedded:3.4.0'
+
     compile "me.leolin:ShortcutBadger:1.1.16"
     compile 'se.emilsjolander:stickylistheaders:2.7.0'
     compile 'com.jpardogo.materialtabstrip:library:1.0.9'
@@ -96,7 +98,6 @@ dependencies {
     compile 'pl.tajchert:waitingdots:0.1.0'
     compile 'com.soundcloud.android:android-crop:0.9.10@aar'
     compile 'com.melnykov:floatingactionbutton:1.3.0'
-    compile 'com.google.zxing:android-integration:3.1.0'
     compile 'com.squareup.dagger:dagger:1.2.2'
     annotationProcessor 'com.squareup.dagger:dagger-compiler:1.2.2'
     compile 'mobi.upod:time-duration-picker:1.1.3'
@@ -185,7 +186,6 @@ dependencyVerification {
         'com.makeramen:roundedimageview:1f5a1865796b308c6cdd114acc6e78408b110f0a62fc63553278fbeacd489cd1',
         'org.greenrobot:eventbus:180d4212467df06f2fbc9c8d8a2984533ac79c87769ad883bc421612f0b4e17c',
         'com.soundcloud.android:android-crop:ffd4b973cf6e97f7d64118a0dc088df50e9066fd5634fe6911dd0c0c5d346177',
-        'com.google.zxing:android-integration:89e56aadf1164bd71e57949163c53abf90af368b51669c0d4a47a163335f95c4',
         'com.squareup.dagger:dagger:789aca24537022e49f91fc6444078d9de8f1dd99e1bfb090f18491b186967883',
         'com.amulyakhare:com.amulyakhare.textdrawable:54c92b5fba38cfd316a07e5a30528068f45ce8515a6890f1297df4c401af5dcb',
         'com.google.zxing:core:b4d82452e7a6bf6ec2698904b332431717ed8f9a850224f295aec89de80f2259',
@@ -255,8 +255,8 @@ android {
     }
 
     defaultConfig {
-        versionCode 392
-        versionName "0.0.1"
+        versionCode 394
+        versionName "0.0.4"
         applicationId "chat.delta.androidii"
 
         minSdkVersion 14

jni/Android.mk

@@ -927,7 +927,6 @@ messenger-backend/src/dc_strbuilder.c \
 messenger-backend/src/dc_strencode.c \
 messenger-backend/src/dc_token.c \
 messenger-backend/src/dc_tools.c \
-messenger-backend/src/dc_uudecode.c \
 dc_wrapper.c
 
 include $(BUILD_SHARED_LIBRARY)

jni/dc_wrapper.c

@@ -547,34 +547,6 @@ JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendTextMsg(JNIEnv *env, jobjec
 }
 
 
-JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendVcardMsg(JNIEnv *env, jobject obj, jint chat_id, jint contact_id)
-{
-	return dc_send_vcard_msg(get_dc_context(env, obj), chat_id, contact_id);
-}
-
-
-JNIEXPORT jint Java_com_b44t_messenger_DcContext_sendMediaMsg(JNIEnv *env, jobject obj, jint chat_id, jint type, jstring file, jstring mime, jint w, jint h, jint ms, jstring author, jstring trackname)
-{
-	jint msg_id = 0;
-	CHAR_REF(file);
-	CHAR_REF(mime);
-	CHAR_REF(author);
-	CHAR_REF(trackname);
-	switch (type) {
-		case DC_MSG_IMAGE: msg_id = (jint)dc_send_image_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, w, h); break;
-		case DC_MSG_VIDEO: msg_id = (jint)dc_send_video_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, w, h, ms); break;
-		case DC_MSG_VOICE: msg_id = (jint)dc_send_voice_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, ms); break;
-		case DC_MSG_AUDIO: msg_id = (jint)dc_send_audio_msg(get_dc_context(env, obj), chat_id, filePtr, mimePtr, ms, authorPtr, tracknamePtr); break;
-		default:           msg_id = (jint)dc_send_file_msg (get_dc_context(env, obj), chat_id, filePtr, mimePtr); break;
-	}
-	CHAR_UNREF(trackname);
-	CHAR_UNREF(author);
-	CHAR_UNREF(mime);
-	CHAR_UNREF(file);
-	return msg_id;
-}
-
-
 /* DcContext - handle config */
 
 JNIEXPORT void Java_com_b44t_messenger_DcContext_setConfig(JNIEnv *env, jobject obj, jstring key, jstring value /*may be NULL*/)
@@ -1010,9 +982,9 @@ JNIEXPORT void Java_com_b44t_messenger_DcMsg_lateFilingMediaSize(JNIEnv *env, jo
 }
 
 
-JNIEXPORT jint Java_com_b44t_messenger_DcMsg_getBytes(JNIEnv *env, jobject obj)
+JNIEXPORT jlong Java_com_b44t_messenger_DcMsg_getFilebytes(JNIEnv *env, jobject obj)
 {
-	return (jint)dc_msg_get_filebytes(get_dc_msg(env, obj));
+	return (jlong)dc_msg_get_filebytes(get_dc_msg(env, obj));
 }
 
 
@@ -1064,12 +1036,6 @@ JNIEXPORT jstring Java_com_b44t_messenger_DcMsg_getFilename(JNIEnv *env, jobject
 }
 
 
-JNIEXPORT jlong Java_com_b44t_messenger_DcMsg_getMediainfoCPtr(JNIEnv *env, jobject obj)
-{
-	return (jlong)dc_msg_get_mediainfo(get_dc_msg(env, obj));
-}
-
-
 JNIEXPORT jboolean Java_com_b44t_messenger_DcMsg_isForwarded(JNIEnv *env, jobject obj)
 {
     return dc_msg_is_forwarded(get_dc_msg(env, obj))!=0;
@@ -1133,16 +1099,6 @@ JNIEXPORT void Java_com_b44t_messenger_DcMsg_setDuration(JNIEnv *env, jobject ob
 }
 
 
-JNIEXPORT void Java_com_b44t_messenger_DcMsg_setMediainfo(JNIEnv *env, jobject obj, jstring author, jstring trackname)
-{
-	CHAR_REF(author);
-	CHAR_REF(trackname);
-		dc_msg_set_mediainfo(get_dc_msg(env, obj), authorPtr, tracknamePtr);
-	CHAR_UNREF(trackname);
-	CHAR_UNREF(author);
-}
-
-
 /*******************************************************************************
  * DcContact
  ******************************************************************************/

res/drawable/no_message_rounded_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="#8000" />
+    <padding
+        android:left="1dp"
+        android:right="1dp"
+        android:bottom="1dp"
+        android:top="1dp" />
+    <corners android:radius="8dp" />
+</shape>

res/layout/activity_qr_scan.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.journeyapps.barcodescanner.CompoundBarcodeView
+        android:id="@+id/zxing_barcode_scanner"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentBottom="true" />
+
+</RelativeLayout>

res/layout/activity_qr_show.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/qrImage"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:contentDescription="@string/qr_scan_activity__title" />
+
+    <TextView
+        android:id="@+id/qrShowHint"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:text=""
+        android:textAlignment="center"
+        android:textAppearance="@style/TextAppearance.AppCompat"
+        android:textSize="16sp" />
+
+</LinearLayout>

res/layout/activity_select_chat_background.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/layout_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/preview"
+        android:scaleType="centerCrop"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_gravity="bottom">
+
+        <Button
+            android:id="@+id/set_default_button"
+            android:theme="@style/Button.Primary"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.5"
+            android:text="Set default" />
+
+        <Button
+            android:id="@+id/from_gallery_button"
+            android:theme="@style/Button.Primary"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.5"
+            android:text="From gallery" />
+    </LinearLayout>
+
+</FrameLayout>

res/layout/alert_view.xml

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-       xmlns:tools="http://schemas.android.com/tools">
-
-    <ImageView
-        android:id="@+id/sms_failed_indicator"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/ic_error"
-        android:visibility="gone"
-        android:tint="@color/core_red"
-        tools:visibility="visible"
-        android:contentDescription="@string/conversation_item_sent__send_failed_indicator_description" />
-
-    <ImageView
-        android:id="@+id/pending_approval_indicator"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/ic_error"
-        android:tint="@color/core_light_60"
-        android:visibility="gone"
-        tools:visibility="visible"
-        android:layout_gravity="center_vertical"
-        android:contentDescription="@string/conversation_item_sent__pending_approval_description" />
-
-</merge>

res/layout/audio_view.xml

@@ -45,16 +45,6 @@
                            android:scaleType="centerInside"
                            android:contentDescription="@string/audio_view__pause_accessibility_description"/>
 
-                <ImageView android:id="@+id/download"
-                           android:layout_width="wrap_content"
-                           android:layout_height="wrap_content"
-                           android:layout_gravity="center_vertical"
-                           android:clickable="true"
-                           android:visibility="gone"
-                           android:background="@drawable/circle_touch_highlight_background"
-                           android:src="@drawable/ic_download_circle_fill_white_48dp"
-                           android:contentDescription="@string/audio_view__download_accessibility_description"/>
-
             </org.thoughtcrime.securesms.components.AnimatingToggle>
 
             <SeekBar android:id="@+id/seek"

res/layout/contact_selection_list_item.xml

@@ -32,15 +32,16 @@
                   android:orientation="vertical">
 
         <org.thoughtcrime.securesms.components.emoji.EmojiTextView
-                android:id="@+id/name"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:checkMark="?android:attr/listChoiceIndicatorMultiple"
-                android:singleLine="true"
-                android:ellipsize="marquee"
-                android:textAppearance="?android:attr/textAppearanceMedium"
-                android:textSize="16sp"
-                tools:text="Frieeeeeeedrich Nieeeeeeeeeetzsche" />
+            android:id="@+id/name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:checkMark="?android:attr/listChoiceIndicatorMultiple"
+            android:drawablePadding="5dp"
+            android:ellipsize="marquee"
+            android:singleLine="true"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textSize="16sp"
+            tools:text="Frieeeeeeedrich Nieeeeeeeeeetzsche" />
 
         <LinearLayout android:id="@+id/number_container"
                       android:orientation="horizontal"

res/layout/conversation_activity.xml

@@ -1,98 +1,105 @@
 <?xml version="1.0" encoding="utf-8"?>
-
-<org.thoughtcrime.securesms.components.InputAwareLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        xmlns:tools="http://schemas.android.com/tools"
-        android:id="@+id/layout_container"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-<org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer
-        android:id="@+id/quick_attachment_drawer"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="match_parent" android:layout_width="match_parent">
+    <ImageView
+        android:id="@+id/background_imageview"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical">
+        android:scaleType="centerCrop"/>
+    <org.thoughtcrime.securesms.components.InputAwareLayout
+            xmlns:android="http://schemas.android.com/apk/res/android"
+            xmlns:app="http://schemas.android.com/apk/res-auto"
+            xmlns:tools="http://schemas.android.com/tools"
+            android:id="@+id/layout_container"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
 
-    <LinearLayout android:id="@+id/conversation_container"
-                  android:layout_width="match_parent"
-                  android:layout_height="match_parent"
-                  android:orientation="vertical"
-                  android:paddingTop="?attr/actionBarSize"
-                  android:gravity="bottom"
-                  android:clipToPadding="false"
-                  android:clipChildren="false">
+    <org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer
+            android:id="@+id/quick_attachment_drawer"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
 
-        <ViewStub android:id="@+id/group_share_profile_view_stub"
-                  android:layout="@layout/conversation_activity_group_share_profile_stub"
-                  android:inflatedId="@+id/group_share_profile_view"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"/>
+        <LinearLayout android:id="@+id/conversation_container"
+                      android:layout_width="match_parent"
+                      android:layout_height="match_parent"
+                      android:orientation="vertical"
+                      android:paddingTop="?attr/actionBarSize"
+                      android:gravity="bottom"
+                      android:clipToPadding="false"
+                      android:clipChildren="false">
 
-        <ViewStub android:id="@+id/unverified_banner_stub"
-                  android:layout="@layout/conversation_activity_unverified_banner_stub"
-                  android:inflatedId="@+id/unverified_banner"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"/>
+            <ViewStub android:id="@+id/group_share_profile_view_stub"
+                      android:layout="@layout/conversation_activity_group_share_profile_stub"
+                      android:inflatedId="@+id/group_share_profile_view"
+                      android:layout_width="match_parent"
+                      android:layout_height="wrap_content"/>
 
-        <ViewStub
-                android:id="@+id/reminder_stub"
-                android:layout="@layout/conversation_activity_reminderview_stub"
-                android:inflatedId="@+id/reminder"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <ViewStub android:id="@+id/unverified_banner_stub"
+                      android:layout="@layout/conversation_activity_unverified_banner_stub"
+                      android:inflatedId="@+id/unverified_banner"
+                      android:layout_width="match_parent"
+                      android:layout_height="wrap_content"/>
 
-        <FrameLayout android:id="@+id/fragment_content"
-                     android:layout_width="match_parent"
-                     android:layout_height="0dp"
-                     android:layout_weight="1" />
+            <ViewStub
+                    android:id="@+id/reminder_stub"
+                    android:layout="@layout/conversation_activity_reminderview_stub"
+                    android:inflatedId="@+id/reminder"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-        <ViewStub
-                android:id="@+id/attachment_editor_stub"
-                android:inflatedId="@+id/attachment_editor"
-                android:layout="@layout/conversation_activity_attachment_editor_stub"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <FrameLayout android:id="@+id/fragment_content"
+                         android:layout_width="match_parent"
+                         android:layout_height="0dp"
+                         android:layout_weight="1" />
 
-        <include layout="@layout/conversation_input_panel"/>
+            <ViewStub
+                    android:id="@+id/attachment_editor_stub"
+                    android:inflatedId="@+id/attachment_editor"
+                    android:layout="@layout/conversation_activity_attachment_editor_stub"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-        <Button android:id="@+id/register_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/conversation_activity__enable_signal_messages"
-                android:visibility="gone"/>
+            <include layout="@layout/conversation_input_panel"/>
 
-        <Button android:id="@+id/unblock_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/ConversationActivity_unblock"
-                android:visibility="gone"/>
+            <Button android:id="@+id/register_button"
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="20dp"
+                    android:text="@string/conversation_activity__enable_signal_messages"
+                    android:visibility="gone"/>
 
-        <Button android:id="@+id/make_default_sms_button"
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:padding="20dp"
-                android:text="@string/conversation_activity__enable_signal_for_sms"
-                android:visibility="gone"/>
+            <Button android:id="@+id/unblock_button"
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="20dp"
+                    android:text="@string/ConversationActivity_unblock"
+                    android:visibility="gone"/>
 
-        <TextView android:id="@+id/space_left"
-                  android:paddingLeft="5dip"
-                  android:layout_width="fill_parent"
-                  android:layout_height="wrap_content"
-                  android:visibility="gone"
-                  android:background="?android:windowBackground"
-                  android:text="160/160 (1)" />
+            <Button android:id="@+id/make_default_sms_button"
+                    android:layout_width="fill_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="20dp"
+                    android:text="@string/conversation_activity__enable_signal_for_sms"
+                    android:visibility="gone"/>
+
+            <TextView android:id="@+id/space_left"
+                      android:paddingLeft="5dip"
+                      android:layout_width="fill_parent"
+                      android:layout_height="wrap_content"
+                      android:visibility="gone"
+                      android:background="?android:windowBackground"
+                      android:text="160/160 (1)" />
 
 
-        <ViewStub
-                android:id="@+id/emoji_drawer_stub"
-                android:layout="@layout/conversation_activity_emojidrawer_stub"
-                android:inflatedId="@+id/emoji_drawer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+            <ViewStub
+                    android:id="@+id/emoji_drawer_stub"
+                    android:layout="@layout/conversation_activity_emojidrawer_stub"
+                    android:inflatedId="@+id/emoji_drawer"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
 
-    </LinearLayout>
-</org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer>
-</org.thoughtcrime.securesms.components.InputAwareLayout>
+        </LinearLayout>
+    </org.thoughtcrime.securesms.components.camera.QuickAttachmentDrawer>
+    </org.thoughtcrime.securesms.components.InputAwareLayout>
+</RelativeLayout>

res/layout/conversation_fragment.xml

@@ -2,7 +2,7 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/conversation_container"
+             android:id="@+id/conversation_container"
              android:layout_width="fill_parent"
              android:layout_height="match_parent">
 
@@ -34,6 +34,16 @@
               android:visibility="gone"
               tools:text="March 1, 2015" />
 
+    <TextView
+        android:id="@+id/no_messages_text_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:visibility="visible"
+        style="@style/NoMessagesTextView"
+        tools:text="@string/ConversationActivity_NoMessagesHint"
+        />
+
     <View android:id="@+id/compose_divider"
           android:layout_width="match_parent"
           android:layout_height="2dp"

res/layout/conversation_input_panel.xml

@@ -14,7 +14,8 @@
         android:paddingTop="6dp"
         android:paddingBottom="6dp"
         android:clipChildren="false"
-        android:clipToPadding="false">
+        android:clipToPadding="false"
+        android:background="@color/white">
 
     <FrameLayout
         android:layout_width="0dp"

res/layout/conversation_item_received.xml

@@ -86,20 +86,6 @@
                     tools:visibility="visible"
                     tools:text="+14152222222"/>
 
-                <TextView
-                    android:id="@+id/group_message_sender_profile"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:paddingRight="4sp"
-                    android:paddingLeft="4sp"
-                    style="@style/Signal.Text.Preview"
-                    android:fontFamily="sans-serif-regular"
-                    android:textColor="?conversation_item_received_text_primary_color"
-                    android:textStyle="italic"
-                    android:maxLines="1"
-                    android:ellipsize="end"
-                    tools:text="~Clement Duval"/>
-
             </LinearLayout>
 
             <org.thoughtcrime.securesms.components.QuoteView
@@ -180,13 +166,5 @@
 
         </LinearLayout>
 
-        <org.thoughtcrime.securesms.components.AlertView
-            android:id="@+id/indicators_parent"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_alignParentRight="true"
-            android:orientation="vertical"
-            android:gravity="center_vertical"/>
-
     </RelativeLayout>
 </org.thoughtcrime.securesms.ConversationItem>

res/layout/conversation_item_sent.xml

@@ -133,7 +133,10 @@
 
         </LinearLayout>
 
-        <org.thoughtcrime.securesms.components.AlertView
+        <!-- the following view is only left because it is used as a reference for positioning above.
+         removing would require some re-layouting, it's just not done yet.-->
+        <View
+            android:visibility="gone"
             android:id="@+id/indicators_parent"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

res/layout/conversation_list_item_view.xml

@@ -36,45 +36,58 @@
                   android:weightSum="1"
                   android:orientation="horizontal">
 
-        <org.thoughtcrime.securesms.components.FromTextView
-                  android:id="@+id/from"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content"
-                  android:layout_alignParentTop="true"
-                  android:layout_alignParentLeft="true"
-                  android:layout_alignParentStart="true"
-                  android:layout_toLeftOf="@+id/thumbnail"
-                  android:layout_toStartOf="@+id/thumbnail"
-                  style="@style/Signal.Text.Body"
-                  android:fontFamily="sans-serif-medium"
-                  android:textColor="?attr/conversation_list_item_contact_color"
-                  android:maxLines="1"
-                  tools:text="Jules Bonnot"
-                  android:ellipsize="end"
-                  android:layout_marginBottom="2dp"
-                  android:drawablePadding="5dp"/>
+        <android.support.constraint.ConstraintLayout
+            android:id="@+id/from"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:layout_alignParentLeft="true"
+            android:layout_alignParentStart="true"
+            android:layout_toLeftOf="@+id/thumbnail"
+            android:layout_toStartOf="@+id/thumbnail">
 
-        <org.thoughtcrime.securesms.components.AlertView
-                android:id="@+id/indicators_parent"
-                android:layout_width="18dp"
-                android:layout_height="18dp"
-                android:paddingTop="2dp"
-                android:layout_marginRight="2dp"
-                android:layout_marginEnd="2dp"
-                android:layout_alignParentLeft="true"
-                android:layout_alignParentStart="true"
-                android:layout_below="@id/from"
-                app:useSmallIcon="true"
+            <org.thoughtcrime.securesms.components.FromTextView
+                android:id="@+id/from_text"
+                style="@style/Signal.Text.Body"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="2dp"
+                android:drawablePadding="5dp"
+                android:ellipsize="end"
+                android:fontFamily="sans-serif-medium"
+                android:maxLines="1"
+                android:textColor="?attr/conversation_list_item_contact_color"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/verified_indicator"
+                app:layout_constraintHorizontal_chainStyle="packed"
+                app:layout_constraintHorizontal_weight="0.9"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:text="Jules Bonnot" />
+
+            <ImageView
+                android:id="@+id/verified_indicator"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:paddingLeft="5dp"
+                android:paddingStart="5dp"
+                android:src="@drawable/ic_verified"
                 android:visibility="gone"
-                tools:visibility="visible"/>
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintHorizontal_chainStyle="packed"
+                app:layout_constraintHorizontal_weight="0.1"
+                app:layout_constraintStart_toEndOf="@id/from_text"
+                app:layout_constraintTop_toTopOf="parent" />
+
+        </android.support.constraint.ConstraintLayout>
 
         <org.thoughtcrime.securesms.components.emoji.EmojiTextView
                 android:id="@+id/subject"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_below="@id/from"
-                android:layout_toRightOf="@id/indicators_parent"
-                android:layout_toEndOf="@id/indicators_parent"
                 android:layout_toLeftOf="@+id/status"
                 android:layout_toStartOf="@+id/status"
                 android:paddingRight="1dp"

res/layout/conversation_title_view.xml

@@ -39,59 +39,57 @@
             tools:src="@drawable/ic_contact_picture"
             android:contentDescription="@string/conversation_list_item_view__contact_photo_image"/>
 
-    <RelativeLayout android:id="@+id/content"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_toRightOf="@id/contact_photo_image"
-                    android:layout_toEndOf="@id/contact_photo_image"
-                    android:layout_centerVertical="true">
+    <android.support.constraint.ConstraintLayout
+        android:id="@+id/content"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_toEndOf="@id/contact_photo_image"
+        android:layout_toRightOf="@id/contact_photo_image">
 
         <org.thoughtcrime.securesms.components.emoji.EmojiTextView
-                android:id="@+id/title"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:maxLines="1"
-                android:ellipsize="end"
-                android:textSize="18dp"
-                android:transitionName="recipient_name"
-                android:drawablePadding="5dp"
-                android:gravity="center_vertical"
-                android:layout_gravity="center_vertical"
-                android:layout_alignParentLeft="true"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentTop="true"
-                style="@style/TextSecure.TitleTextStyle"
-                tools:ignore="UnusedAttribute"/>
+            android:id="@+id/title"
+            style="@style/TextSecure.TitleTextStyle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:drawablePadding="5dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textSize="18dp"
+            android:transitionName="recipient_name"
+            app:layout_constraintEnd_toStartOf="@id/verified_indicator"
+            app:layout_constraintHorizontal_chainStyle="packed"
+            app:layout_constraintHorizontal_weight="0.9"
+            app:layout_constraintStart_toStartOf="parent"
+            tools:text="Jules Bonnot" />
 
-        <ImageView android:id="@+id/verified_indicator"
-                   android:src="@drawable/ic_check_circle_white_18dp"
-                   android:layout_width="wrap_content"
-                   android:layout_height="wrap_content"
-                   android:layout_marginRight="3dp"
-                   android:layout_marginEnd="3dp"
-                   android:layout_gravity="bottom"
-                   android:layout_alignParentLeft="true"
-                   android:layout_alignParentStart="true"
-                   android:layout_below="@id/title"
-                   android:alpha="0.7"
-                   android:visibility="gone"/>
+        <ImageView
+            android:id="@+id/verified_indicator"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:src="@drawable/ic_verified"
+            android:visibility="gone"
+            android:layout_marginLeft="5dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_chainStyle="packed"
+            app:layout_constraintHorizontal_weight="0.1"
+            app:layout_constraintBottom_toBottomOf="@id/title"
+            app:layout_constraintStart_toEndOf="@id/title"
+            app:layout_constraintTop_toTopOf="@id/title"
+            android:layout_marginStart="5dp" />
 
         <org.thoughtcrime.securesms.components.emoji.EmojiTextView
-                android:id="@+id/subtitle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:maxLines="1"
-                android:ellipsize="end"
-                android:layout_gravity="center_vertical|start"
-                android:gravity="center_vertical"
-                android:layout_toRightOf="@id/verified_indicator"
-                android:layout_toEndOf="@id/verified_indicator"
-                android:layout_below="@id/title"
-                android:textDirection="ltr"
-                android:textSize="13dp"
-                tools:text="(123) 123-1234"
-                style="@style/TextSecure.SubtitleTextStyle"/>
+            android:id="@+id/subtitle"
+            style="@style/TextSecure.SubtitleTextStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textDirection="ltr"
+            android:textSize="13dp"
+            app:layout_constraintTop_toBottomOf="@id/title"
+            tools:text="(123) 123-1234" />
 
-    </RelativeLayout>
+    </android.support.constraint.ConstraintLayout>
 
 </org.thoughtcrime.securesms.ConversationTitleView>

res/layout/group_create_activity.xml

@@ -68,25 +68,47 @@
 
     </RelativeLayout>
 
-    <com.dd.CircularProgressButton
-        android:id="@+id/add_member_button"
-        android:layout_width="wrap_content"
-        android:layout_height="40dp"
-        android:background="@color/signal_primary"
-        android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
-        android:layout_marginBottom="15dp"
-        android:paddingEnd="12dp"
-        android:paddingStart="12dp"
-        android:textColor="@color/white"
-        app:cpb_colorIndicator="@color/white"
-        app:cpb_colorProgress="@color/textsecure_primary"
-        app:cpb_cornerRadius="20dp"
-        app:cpb_selectorIdle="@drawable/progress_button_state"
-        app:cpb_textIdle="@string/recipients_panel__add_members"
-        app:layout_constraintBottom_toTopOf="@id/skip_button_bottom_spacer"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <com.dd.CircularProgressButton
+            android:id="@+id/add_member_button"
+            android:layout_width="wrap_content"
+            android:layout_height="40dp"
+            android:background="@color/signal_primary"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginBottom="15dp"
+            android:paddingEnd="12dp"
+            android:paddingStart="12dp"
+            android:textColor="@color/white"
+            app:cpb_colorIndicator="@color/white"
+            app:cpb_colorProgress="@color/textsecure_primary"
+            app:cpb_cornerRadius="20dp"
+            app:cpb_selectorIdle="@drawable/progress_button_state"
+            app:cpb_textIdle="@string/recipients_panel__add_members"/>
+
+        <com.dd.CircularProgressButton
+            android:id="@+id/verify_button"
+            android:layout_width="wrap_content"
+            android:layout_height="40dp"
+            android:background="@color/signal_primary"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginBottom="15dp"
+            android:paddingEnd="12dp"
+            android:paddingStart="12dp"
+            android:textColor="@color/white"
+            app:cpb_colorIndicator="@color/white"
+            app:cpb_colorProgress="@color/textsecure_primary"
+            app:cpb_cornerRadius="20dp"
+            app:cpb_selectorIdle="@drawable/progress_button_state"
+            android:visibility="gone"
+            app:cpb_textIdle="@string/qr_show_activity__title"/>
+
+    </LinearLayout>
 
     <ListView android:id="@+id/selected_contacts_list"
         android:layout_width="match_parent"

res/layout/profile_create_activity.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<FrameLayout android:layout_width="match_parent"
+<FrameLayout xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
              android:layout_height="match_parent"
              xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:app="http://schemas.android.com/apk/res-auto">
@@ -23,42 +24,39 @@
                        android:layout_height="64dp"
                        android:transitionName="avatar"/>
 
-            <org.thoughtcrime.securesms.components.emoji.EmojiEditText
-                    android:id="@+id/name"
-                    android:hint="@string/profile_create_activity__your_name"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
-                    android:layout_weight="1"
-                    android:layout_marginLeft="10dp"
-                    android:inputType="textCapWords"/>
+            <android.support.design.widget.TextInputLayout
+                android:id="@+id/name"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="10dp">
 
-            <org.thoughtcrime.securesms.components.emoji.EmojiToggle
-                    android:id="@+id/emoji_toggle"
-                    android:layout_width="37dp"
-                    android:layout_height="37dp"
-                    android:layout_gravity="center_vertical"
-                    android:background="@drawable/touch_highlight_background"
-                    android:contentDescription="@string/conversation_activity__emoji_toggle_description" />
+                <android.support.design.widget.TextInputEditText
+                    android:id="@+id/name_text"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/profile_create_activity__your_name"
+                    android:inputType="textCapWords" />
+            </android.support.design.widget.TextInputLayout>
 
         </LinearLayout>
 
-        <android.support.design.widget.TextInputLayout
-            android:id="@+id/status"
-            android:layout_marginTop="4dp"
-            android:layout_marginLeft="16dp"
-            android:layout_marginRight="16dp"
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/status"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="16dp"
+        android:layout_marginTop="16dp">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/status_text"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-
-            <android.support.design.widget.TextInputEditText
-                android:id="@+id/status_text"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:hint="@string/default_status_hint"
-                android:inputType="text" />
-
-        </android.support.design.widget.TextInputLayout>
+            android:layout_height="wrap_content"
+            android:gravity="top|left"
+            android:hint="@string/default_status_hint"
+            android:inputType="textMultiLine"
+            android:maxLines="3" />
+    </android.support.design.widget.TextInputLayout>
 
         <LinearLayout android:id="@+id/information_link_container"
                       android:clickable="true"
@@ -78,16 +76,17 @@
                        android:src="@drawable/ic_info_white_18dp"
                        android:tint="#73B7F0"/>
 
-            <TextView style="@style/Registration.Description"
-                      android:id="@+id/information_label"
-                      android:clickable="true"
-                      android:layout_width="wrap_content"
-                      android:layout_height="match_parent"
-                      android:layout_marginLeft="3dp"
-                      android:layout_gravity="center_vertical"
-                      android:gravity="center_vertical"
-                      android:textColor="#73B7F0"
-                      android:text="@string/profile_create_activity__who_can_see_this_information"/>
+            <TextView
+                android:id="@+id/information_label"
+                style="@style/Registration.Description"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_gravity="center_vertical"
+                android:layout_marginLeft="3dp"
+                android:clickable="true"
+                android:gravity="center_vertical"
+                android:text="@string/profile_create_activity__who_can_see_this_information"
+                android:textColor="#73B7F0" />
         </LinearLayout>
 
 
@@ -98,31 +97,18 @@
                       android:clipChildren="false"
                       android:clipToPadding="false">
 
-            <com.dd.CircularProgressButton
-                    android:id="@+id/finish_button"
-                    app:cpb_textIdle="@string/profile_create_activity__finish"
-                    app:cpb_selectorIdle="@drawable/progress_button_state"
-                    app:cpb_colorIndicator="@color/white"
-                    app:cpb_colorProgress="@color/textsecure_primary"
-                    app:cpb_cornerRadius="50dp"
-                    android:textAllCaps="true"
-                    android:background="@color/signal_primary"
-                    android:textColor="@color/white"
-                    android:layout_width="match_parent"
-                    android:layout_height="50dp"
-                    android:layout_marginLeft="16dp"
-                    android:layout_marginRight="16dp"
-                    android:layout_marginBottom="20dp"
-                    android:layout_gravity="center_horizontal"/>
-
-            <TextView android:id="@+id/password_account_settings_button"
-                      android:layout_gravity="center_horizontal"
-                      android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
-                      android:layout_marginTop="0dp"
-                      android:layout_marginBottom="20dp"
-                      android:textColor="@color/gray50"
-                      android:text="@string/profile_create_activity__password_account"/>
+            <TextView
+                android:id="@+id/password_account_settings_button"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginBottom="20dp"
+                android:layout_marginTop="0dp"
+                android:text="@string/profile_create_activity__password_account"
+                android:textColor="#73B7F0"
+                android:textSize="16sp"
+                android:textStyle="normal"
+                android:typeface="sans" />
 
             <org.thoughtcrime.securesms.components.emoji.EmojiDrawer
                     xmlns:android="http://schemas.android.com/apk/res/android"
@@ -135,10 +121,11 @@
 
 </org.thoughtcrime.securesms.components.InputAwareLayout>
 
-    <View android:id="@+id/reveal"
-          android:background="@color/textsecure_primary"
-          android:layout_width="match_parent"
-          android:layout_height="match_parent"
-          android:visibility="invisible"/>
+    <View
+        android:id="@+id/reveal"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/textsecure_primary"
+        android:visibility="invisible" />
 
 </FrameLayout>

res/menu/preferences_create_profile_menu.xml

@@ -0,0 +1,9 @@
+<?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_create_profile"
+        android:title="@string/profile_create_activity__finish"
+        app:showAsAction="always"
+        android:icon="?menu_accept_icon"/>
+</menu>

res/menu/text_secure_normal.xml

@@ -1,5 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:title="@string/qr_scan_activity__title"
+          android:id="@+id/menu_qr_scan"
+          android:icon="@drawable/ic_ab_qr"
+          app:showAsAction="always"/>
+
+    <item android:title="@string/qr_show_activity__title"
+        android:id="@+id/menu_qr_show" />
 
     <item android:title="@string/text_secure_normal__menu_new_chat"
           android:id="@+id/menu_new_chat" />

res/values/attrs.xml

@@ -177,10 +177,6 @@
         <attr name="iconColor" format="color" />
     </declare-styleable>
 
-    <declare-styleable name="AlertView">
-        <attr name="useSmallIcon" format="boolean" />
-    </declare-styleable>
-
     <declare-styleable name="AudioView">
         <attr name="widgetBackground" format="color"/>
         <attr name="foregroundTintColor" format="color" />

res/values/dimens.xml

@@ -72,6 +72,4 @@
 
     <dimen name="floating_action_button_margin">16dp</dimen>
 
-    <dimen name="alertview_small_icon_size">14dp</dimen>
-
 </resources>

res/values/strings.xml

@@ -164,6 +164,8 @@
     <string name="ConversationActivity_signal_needs_camera_permissions_to_take_photos_or_video">Delta Chat needs Camera permissions to take photos or video</string>
 
     <string name="ConversationActivity_quoted_contact_message">%1$s %2$s</string>
+    <string name="ConversationActivity_NoMessagesHint">Send message to %1$s:\n\n• It is okay if %2$s does not use Delta Chat.\n\n• Delivering the first message may take a while.</string>
+    <string name="ConversationActivity_MsgNewGroupDraftHint">Compose the first message, allowing others to reply within this group.\n\n• It is okay if not all members use Delta Chat.\n\n• Delivering the first message may take a while.</string>
 
     <!-- ConversationAdapter -->
     <plurals name="ConversationAdapter_n_unread_messages">
@@ -1312,6 +1314,32 @@
     <string name="new_conversation_activity__refresh">Refresh</string>
     <!-- redphone_audio_popup_menu -->
 
+    <!-- qr_scan_activity -->
+    <string name="qr_scan_activity__title">Scan QR code</string>
+    <string name="qr_scan_activity__hint">Place your camera over the QR code</string>
+
+    <!-- qr_scan_handler -->
+    <string name="qr_scan_handler_join_verified_group">Do you want to join the verified group <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_fingerprint_ask_oob">Verify contact and start chatting with <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_fingerprint_ok">Contact <![CDATA[<i>]]>%1$s<![CDATA[</i>]]> verified. Start chatting?</string>
+    <string name="qr_scan_handler_fingerprint_mismatch">The scanned fingerprint does <![CDATA[<b>]]>not match<![CDATA[</b>]]> the fingerprint last seen for <![CDATA[<i>]]>%1$s<![CDATA[</i>]]>.</string>
+    <string name="qr_scan_handler_fingerprint_without_address">This QR code contains a fingerprint but no email address.\n\nFor an out-of-band-verification, please establish an encrpyted connection to the recipient first.</string>
+    <string name="qr_scan_handler_Scan_contains_text">Scanned QR code text:\n\n%1$s</string>
+    <string name="qr_scan_handler_qr_scan_contains_url">Scanned QR code URL:\n\n%1$s</string>
+    <string name="qr_scan_handler_fingerprint">Fingerprint</string>
+    <string name="qr_scan_handler_ask_start_chat_with">Chat with <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>?</string>
+    <string name="qr_scan_handler_verfied_introduce_myself">%1$s verified, introduce myself …</string>
+
+    <!-- qr_show_activity -->
+    <string name="qr_show_activity__title">Show QR verify code</string>
+    <string name="qr_show_activity__joining">%1$s joins.</string>
+    <string name="qr_show_activity__verified">%1$s verified.</string>
+    <string name="qr_show_activity__group_joined">%1$s securely joined the group.</string>
+    <string name="qr_show_activity__join_verified_group_hint">Scan this to join the verified group <![CDATA[<b>]]>%1$s<![CDATA[</b>]]>.</string>
+    <string name="qr_show_activity__join_verified_group_title">QR invite code</string>
+    <string name="qr_show_activity__join_contact_title">QR verify code</string>
+    <string name="qr_show_activity__join_contact_hint"><![CDATA[<b>]]>%1$s<![CDATA[</b><br>]]>Scan this to set up a verified contact.</string>
+
     <!-- Trimmer -->
     <string name="trimmer__deleting">Deleting</string>
     <string name="trimmer__deleting_old_messages">Deleting old messages...</string>
@@ -1487,5 +1515,8 @@
     <string name="default_status_hint">Status text</string>
     <string name="registration_activity__login">Login</string>
     <string name="preferences__chat_background">Chat-Background</string>
+    <string name="copy_to_clipboard">Copy to clipboard</string>
+    <string name="open">Open</string>
+    <string name="done">Done</string>
 
 </resources>

res/values/styles.xml

@@ -182,6 +182,7 @@
 
     <style name="Button.Primary" parent="Base.Widget.AppCompat.Button.Colored">
         <item name="colorAccent">@color/signal_primary</item>
+        <item name="colorButtonNormal">@color/signal_primary</item>
         <item name="android:textColor">@color/white</item>
     </style>
 
@@ -230,4 +231,13 @@
         <item name="colorControlActivated">@color/white</item>
     </style>
 
+    <style name="NoMessagesTextView">
+        <item name="android:textColor">@color/white</item>
+        <item name="android:textSize">16sp</item>
+        <item name="android:background">@drawable/no_message_rounded_background</item>
+        <item name="android:layout_marginLeft">12dp</item>
+        <item name="android:layout_marginRight">12dp</item>
+        <item name="android:padding">12dp</item>
+    </style>
+
 </resources>

src/com/b44t/messenger/DcContext.java

@@ -96,7 +96,7 @@ public class DcContext {
     public native void         setConfig            (String key, String value);
     public void                setConfigInt         (String key, int value) { setConfig(key, Integer.toString(value)); }
     public native String       getConfig            (String key, String def);
-    public int                 getConfigInt         (String key, int def) { return Integer.parseInt(getConfig(key, Integer.toString(def))); }
+    public int                 getConfigInt         (String key, int def) { try{return Integer.parseInt(getConfig(key, Integer.toString(def)));} catch(Exception e) {} return 0; }
     public native String       getInfo              ();
     public native String       initiateKeyTransfer  ();
     public native boolean      continueKeyTransfer  (int msg_id, String setup_code);
@@ -145,8 +145,6 @@ public class DcContext {
     public native void         forwardMsgs          (int msg_ids[], int chat_id);
     public native int          sendMsg              (int chat_id, DcMsg msg);
     public native int          sendTextMsg          (int chat_id, String text);
-    public native int          sendVcardMsg         (int chat_id, int contact_id);
-    public native int          sendMediaMsg         (int chat_id, int type, String file, String mime, int w, int h, int time_ms, String author, String trackname);
     public native int          checkQrCPtr          (String qr);
     public @NonNull DcLot      checkQr              (String qr) { return new DcLot(checkQrCPtr(qr)); }
     public native String       getSecurejoinQr      (int chat_id);

src/com/b44t/messenger/DcMsg.java

@@ -93,15 +93,14 @@ public class DcMsg {
     public native int     getHeight          (int def);
     public native int     getDuration        ();
     public native void    lateFilingMediaSize(int width, int height, int duration);
-    public native int     getBytes           ();
     public @NonNull DcLot getSummary         (DcChat chat) { return new DcLot(getSummaryCPtr(chat.getChatCPtr())); }
     public native String  getSummarytext     (int approx_characters);
     public native int     showPadlock        ();
-    public @NonNull DcLot getMediainfo       () { return new DcLot(getMediainfoCPtr()); }
     public boolean        hasFile            () { String file = getFile(); return file!=null && !file.isEmpty(); }
     public native String  getFile            ();
     public native String  getFilemime        ();
     public native String  getFilename        ();
+    public native long    getFilebytes       ();
     public native boolean isForwarded        ();
     public native boolean isInfo             ();
     public native boolean isSetupMessage     ();
@@ -111,7 +110,6 @@ public class DcMsg {
     public native void    setFile            (String file, String filemime);
     public native void    setDimension       (int width, int height);
     public native void    setDuration        (int duration);
-    public native void    setMediainfo       (String author, String trackname);
 
     // aliases and higher-level tools
     public static int[] msgSetToIds(final Set<DcMsg> dcMsgs) {
@@ -199,5 +197,4 @@ public class DcMsg {
     private long        msgCPtr;        // CAVE: the name is referenced in the JNI
     private native void unrefMsgCPtr    ();
     private native long getSummaryCPtr  (long chatCPtr);
-    private native long getMediainfoCPtr();
 };

src/org/thoughtcrime/securesms/ContactSelectionListFragment.java

@@ -268,7 +268,7 @@ public class ContactSelectionListFragment extends    Fragment
   @Override
   public Loader<DcContactsLoader.Ret> onCreateLoader(int id, Bundle args) {
     boolean addCreateGroupLinks = !isMulti();
-    int listflags = 0;
+    int listflags = DcContext.DC_GCL_ADD_SELF;
     if(isSelectVerfied()) {
       listflags = DcContext.DC_GCL_VERIFIED_ONLY;
     }

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -27,6 +27,7 @@ import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.PorterDuff.Mode;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -57,6 +58,7 @@ import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -227,6 +229,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   protected HidingLinearLayout     quickAttachmentToggle;
   private   QuickAttachmentDrawer  quickAttachmentDrawer;
   private   InputPanel             inputPanel;
+  private   ImageView              imageView;
 
   private Recipient  recipient;
   private ApplicationDcContext dcContext;
@@ -292,6 +295,8 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       }
     });
 
+    dcContext.marknoticedChat((int)threadId);
+
     dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_CHAT_MODIFIED);
     dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_CONTACTS_CHANGED);
   }
@@ -995,6 +1000,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     quickAttachmentDrawer = ViewUtil.findById(this, R.id.quick_attachment_drawer);
     quickAttachmentToggle = ViewUtil.findById(this, R.id.quick_attachment_toggle);
     inputPanel            = ViewUtil.findById(this, R.id.bottom_panel);
+    imageView             = ViewUtil.findById(this, R.id.background_imageview);
 
     ImageButton quickCameraToggle = ViewUtil.findById(this, R.id.quick_camera_toggle);
 
@@ -1040,6 +1046,10 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       quickCameraToggle.setVisibility(View.GONE);
       quickCameraToggle.setEnabled(false);
     }
+
+    String backgroundImagePath = TextSecurePreferences.getBackgroundImagePath(this);
+    Drawable image = Drawable.createFromPath(backgroundImagePath);
+    imageView.setImageDrawable(image);
   }
 
   protected void initializeActionBar() {

src/org/thoughtcrime/securesms/ConversationAdapter.java

@@ -113,6 +113,14 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
     return dcMsgList.length > 0;
   }
 
+  public boolean isGroupChat(){
+    return dcChat.isGroup();
+  }
+
+  public String getChatName(){
+    return dcChat.getName();
+  }
+
   @Override
   public int getItemCount() {
     return dcMsgList.length;

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -21,7 +21,6 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.graphics.Point;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -41,10 +40,8 @@ import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.RecyclerView.OnScrollListener;
 import android.text.ClipboardManager;
 import android.text.Editable;
-import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
-import android.view.Display;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -55,25 +52,22 @@ import android.view.Window;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.EditText;
-import android.widget.FrameLayout;
 import android.widget.TextView;
 import android.widget.Toast;
-import android.widget.ViewSwitcher;
 
 import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
 import com.b44t.messenger.DcMsg;
-import com.bumptech.glide.request.RequestOptions;
 
 import org.thoughtcrime.securesms.ConversationAdapter.HeaderViewHolder;
 import org.thoughtcrime.securesms.ConversationAdapter.ItemClickListener;
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.connect.DcMsgListLoader;
+import org.thoughtcrime.securesms.contactshare.Contact;
 import org.thoughtcrime.securesms.contactshare.ContactUtil;
 import org.thoughtcrime.securesms.contactshare.SharedContactDetailsActivity;
-import org.thoughtcrime.securesms.contactshare.Contact;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.jobs.DirectoryRefreshJob;
@@ -82,12 +76,10 @@ import org.thoughtcrime.securesms.mms.OutgoingMediaMessage;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.CommunicationActions;
-import org.thoughtcrime.securesms.util.ServiceUtil;
 import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.ViewUtil;
 
-import java.io.File;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedList;
@@ -124,8 +116,7 @@ public class ConversationFragment extends Fragment
   private RecyclerView.ItemDecoration lastSeenDecoration;
   private View                        scrollToBottomButton;
   private TextView                    scrollDateHeader;
-  private FrameLayout                 frameLayout;
-
+  private TextView                    noMessageTextView;
   private ApplicationDcContext        dcContext;
 
   @Override
@@ -148,7 +139,7 @@ public class ConversationFragment extends Fragment
     list                 = ViewUtil.findById(view, android.R.id.list);
     scrollToBottomButton = ViewUtil.findById(view, R.id.scroll_to_bottom_button);
     scrollDateHeader     = ViewUtil.findById(view, R.id.scroll_date_header);
-    frameLayout          = ViewUtil.findById(view, R.id.conversation_container);
+    noMessageTextView    = ViewUtil.findById(view, R.id.no_messages_text_view);
 
     scrollToBottomButton.setOnClickListener(v -> scrollToBottom());
 
@@ -157,9 +148,12 @@ public class ConversationFragment extends Fragment
     list.setLayoutManager(layoutManager);
     list.setItemAnimator(null);
 
-    String backgroundImagePath = TextSecurePreferences.getBackgroundImagePath(getContext());
-    Drawable image = Drawable.createFromPath(backgroundImagePath);
-    frameLayout.setBackground(image);
+    // setLayerType() is needed to allow larger items (long texts in our case)
+    // with hardware layers, drawing may result in errors as "OpenGLRenderer: Path too large to be rendered into a texture"
+    if (android.os.Build.VERSION.SDK_INT >= 11)
+    {
+      list.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+    }
     return view;
   }
 
@@ -171,6 +165,16 @@ public class ConversationFragment extends Fragment
     initializeListAdapter();
   }
 
+  private void setNoMessageText() {
+    if(getListAdapter().isGroupChat()){
+      noMessageTextView.setText(R.string.ConversationActivity_MsgNewGroupDraftHint);
+    }else{
+      String name = getListAdapter().getChatName();
+      String message = getString(R.string.ConversationActivity_NoMessagesHint, name, name);
+      noMessageTextView.setText(message);
+    }
+  }
+
   @Override
   public void onDestroy() {
     dcContext.eventCenter.removeObservers(this);
@@ -533,6 +537,14 @@ public class ConversationFragment extends Fragment
       previousOffset = 0;
     }
 
+    if(!adapter.isActive()){
+      setNoMessageText();
+      noMessageTextView.setVisibility(View.VISIBLE);
+    }
+    else{
+      noMessageTextView.setVisibility(View.GONE);
+    }
+
     if (lastSeenPosition <= 0) {
       setLastSeen(0);
     }

src/org/thoughtcrime/securesms/ConversationItem.java

@@ -16,14 +16,11 @@
  */
 package org.thoughtcrime.securesms;
 
-import android.annotation.SuppressLint;
-import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
-import android.net.Uri;
 import android.support.annotation.DimenRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -39,13 +36,11 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import com.b44t.messenger.DcChat;
+import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcMsg;
 
-import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
-import org.thoughtcrime.securesms.components.AlertView;
 import org.thoughtcrime.securesms.components.AudioView;
 import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.components.ConversationItemFooter;
@@ -56,18 +51,12 @@ import org.thoughtcrime.securesms.components.SharedContactView;
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
 import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.contactshare.Contact;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.jobs.AttachmentDownloadJob;
 import org.thoughtcrime.securesms.mms.AudioSlide;
 import org.thoughtcrime.securesms.mms.DocumentSlide;
 import org.thoughtcrime.securesms.mms.GlideRequests;
-import org.thoughtcrime.securesms.mms.PartAuthority;
 import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
-import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.LongClickCopySpan;
 import org.thoughtcrime.securesms.util.LongClickMovementMethod;
@@ -75,7 +64,6 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.views.Stub;
-import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.util.HashSet;
 import java.util.List;
@@ -91,16 +79,17 @@ import java.util.Set;
  */
 
 public class ConversationItem extends LinearLayout
-    implements RecipientModifiedListener, BindableConversationItem
+    implements BindableConversationItem
 {
   private static final String TAG = ConversationItem.class.getSimpleName();
 
   private static final int MAX_MEASURE_CALLS = 3;
 
   private DcMsg         messageRecord;
+  private DcChat        dcChat;
+  private DcContact     dcContact;
   private Locale        locale;
   private boolean       groupThread;
-  private Recipient     recipient;
   private GlideRequests glideRequests;
 
   protected ViewGroup              bodyBubble;
@@ -108,11 +97,9 @@ public class ConversationItem extends LinearLayout
   private   TextView               bodyText;
   private   ConversationItemFooter footer;
   private   TextView               groupSender;
-  private   TextView               groupSenderProfileName;
   private   View                   groupSenderHolder;
   private   AvatarImageView        contactPhoto;
   private   ViewGroup              contactPhotoHolder;
-  private   AlertView              alertView;
   private   ViewGroup              container;
 
   private @NonNull  Set<DcMsg>                      batchSelected = new HashSet<>();
@@ -157,8 +144,6 @@ public class ConversationItem extends LinearLayout
     this.bodyText                =            findViewById(R.id.conversation_item_body);
     this.footer                  =            findViewById(R.id.conversation_item_footer);
     this.groupSender             =            findViewById(R.id.group_message_sender);
-    this.groupSenderProfileName  =            findViewById(R.id.group_message_sender_profile);
-    this.alertView               =            findViewById(R.id.indicators_parent);
     this.contactPhoto            =            findViewById(R.id.contact_photo);
     this.contactPhotoHolder      =            findViewById(R.id.contact_photo_container);
     this.bodyBubble              =            findViewById(R.id.body_bubble);
@@ -188,15 +173,16 @@ public class ConversationItem extends LinearLayout
                    boolean                          pulseHighlight)
   {
     this.messageRecord          = messageRecord;
+    this.dcChat                 = dcChat;
     this.locale                 = locale;
     this.glideRequests          = glideRequests;
     this.batchSelected          = batchSelected;
     this.conversationRecipient  = recipients;
     this.groupThread            = dcChat.isGroup();
-    this.recipient              = dcContext.getRecipient(dcContext.getChat(messageRecord.getChatId()));
 
-    this.recipient.addListener(this);
-    this.conversationRecipient.addListener(this);
+    if (groupThread && !messageRecord.isOutgoing()) {
+      this.dcContact = dcContext.getContact(messageRecord.getFromId());
+    }
 
     setGutterSizes(messageRecord, groupThread);
     setMessageShape(messageRecord, groupThread);
@@ -204,9 +190,8 @@ public class ConversationItem extends LinearLayout
     setInteractionState(messageRecord, pulseHighlight);
     setBodyText(messageRecord);
     setBubbleState(messageRecord);
-    setStatusIcons(messageRecord);
-    setContactPhoto(recipient);
-    setGroupMessageStatus(messageRecord, recipient);
+    setContactPhoto();
+    setGroupMessageStatus();
     setAuthor(messageRecord, groupThread);
     setQuote(messageRecord, groupThread);
     setMessageSpacing(context, messageRecord, groupThread);
@@ -283,9 +268,6 @@ public class ConversationItem extends LinearLayout
 
   @Override
   public void unbind() {
-    if (recipient != null) {
-      recipient.removeListener(this);
-    }
   }
 
   public DcMsg getMessageRecord() {
@@ -299,7 +281,11 @@ public class ConversationItem extends LinearLayout
       bodyBubble.getBackground().setColorFilter(defaultBubbleColor, PorterDuff.Mode.MULTIPLY);
     } else {
       bodyBubble.getBackground().setColorFilter(defaultBubbleColor, PorterDuff.Mode.MULTIPLY);
-      bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(messageRecord.getChatId()).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      if(groupThread && dcContact!=null) {
+        bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(dcContact).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      } else {
+        bodyBubble.getBackground().setColorFilter(dcContext.getRecipient(dcChat).getColor().toConversationColor(context), PorterDuff.Mode.MULTIPLY);
+      }
     }
 
     if (audioViewStub.resolved()) {
@@ -501,13 +487,13 @@ public class ConversationItem extends LinearLayout
     sharedContactStub.get().setSingularStyle();
   }
 
-  private void setContactPhoto(@NonNull Recipient recipient) {
+  private void setContactPhoto() {
     if (contactPhoto == null) return;
 
-    if (messageRecord.isOutgoing() || !groupThread) {
+    if (messageRecord.isOutgoing() || !groupThread || dcContact ==null) {
       contactPhoto.setVisibility(View.GONE);
     } else {
-      contactPhoto.setAvatar(glideRequests, recipient, true);
+      contactPhoto.setAvatar(glideRequests, dcContext.getRecipient(dcContact), true);
       contactPhoto.setVisibility(View.VISIBLE);
     }
   }
@@ -526,17 +512,6 @@ public class ConversationItem extends LinearLayout
     return messageBody;
   }
 
-  private void setStatusIcons(DcMsg messageRecord) {
-    // disable the icon for for, we should use the same ui on desktop/ios here, so, for now
-    //bodyText.setCompoundDrawablesWithIntrinsicBounds(0, 0, messageRecord.isSetupMessage() ? R.drawable.ic_menu_login : 0, 0);
-
-    if (messageRecord.isFailed()) {
-      alertView.setFailed();
-    } else {
-      alertView.setNone();
-    }
-  }
-
   private void setQuote(@NonNull DcMsg current, boolean isGroupThread) {
 //    if (current.isMms() && !current.isMmsNotification() && ((MediaMmsDcMsg)current).getQuote() != null) {
 //      Quote quote = ((MediaMmsDcMsg)current).getQuote();
@@ -619,43 +594,21 @@ public class ConversationItem extends LinearLayout
     return batchSelected.isEmpty() && (messageRecord.isFailed());
   }
 
-  @SuppressLint("SetTextI18n")
-  private void setGroupMessageStatus(DcMsg messageRecord, Recipient recipient) {
-    if (groupThread && !messageRecord.isOutgoing()) {
-      this.groupSender.setText(recipient.toShortString());
-
-      if (recipient.getName() == null && !TextUtils.isEmpty(recipient.getProfileName())) {
-        this.groupSenderProfileName.setText("~" + recipient.getProfileName());
-        this.groupSenderProfileName.setVisibility(View.VISIBLE);
-      } else {
-        this.groupSenderProfileName.setText(null);
-        this.groupSenderProfileName.setVisibility(View.GONE);
-      }
+  private void setGroupMessageStatus() {
+    if (groupThread && !messageRecord.isOutgoing() && dcContact !=null) {
+      this.groupSender.setText(dcContact.getDisplayName());
     }
   }
 
   private void setAuthor(@NonNull DcMsg current, boolean isGroupThread) {
     if (isGroupThread && !current.isOutgoing()) {
-
       if (contactPhotoHolder != null) {
         contactPhotoHolder.setVisibility(VISIBLE);
       }
-      /*if (!previous.isPresent() || previous.get().isInfo() || current.getFromId() != previous.get().getFromId() ||
-          !DateUtils.isSameDay(previous.get().getTimestamp(), current.getTimestamp()))
-      {*/
-        groupSenderHolder.setVisibility(VISIBLE);
-      /*} else {
-        groupSenderHolder.setVisibility(GONE);
-      }*/
-
-      //if (!next.isPresent() || next.get().isInfo() || current.getFromId() != previous.get().getFromId()) {
-        contactPhoto.setVisibility(VISIBLE);
-      //} else {
-      //  contactPhoto.setVisibility(GONE);
-      //}
+      groupSenderHolder.setVisibility(VISIBLE);
+      contactPhoto.setVisibility(VISIBLE);
     } else {
       groupSenderHolder.setVisibility(GONE);
-
       if (contactPhotoHolder != null) {
         contactPhotoHolder.setVisibility(GONE);
       }
@@ -683,16 +636,6 @@ public class ConversationItem extends LinearLayout
 
   /// Event handlers
 
-  @Override
-  public void onModified(final Recipient modified) {
-    Util.runOnMain(() -> {
-      setBubbleState(messageRecord);
-      setContactPhoto(recipient);
-      setGroupMessageStatus(messageRecord, recipient);
-      setAudioViewTint(messageRecord, conversationRecipient);
-    });
-  }
-
   private class SharedContactEventListener implements SharedContactView.EventListener {
     @Override
     public void onAddToContactsClicked(@NonNull Contact contact) {

src/org/thoughtcrime/securesms/ConversationListActivity.java

@@ -17,12 +17,9 @@
 package org.thoughtcrime.securesms;
 
 import android.Manifest;
-import android.annotation.SuppressLint;
 import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
 import android.support.v7.widget.TooltipCompat;
@@ -33,10 +30,13 @@ import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.Toast;
 
+import com.google.zxing.integration.android.IntentIntegrator;
+import com.google.zxing.integration.android.IntentResult;
+
 import org.thoughtcrime.securesms.components.SearchToolbar;
-import org.thoughtcrime.securesms.connect.DcHelper;
 import org.thoughtcrime.securesms.lock.RegistrationLockDialog;
 import org.thoughtcrime.securesms.permissions.Permissions;
+import org.thoughtcrime.securesms.qr.QrScanHandler;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.search.SearchFragment;
 import org.thoughtcrime.securesms.service.KeyCachingService;
@@ -163,11 +163,22 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     case R.id.menu_clear_passphrase:  handleClearPassphrase(); return true;
     case R.id.menu_invite:            handleInvite();          return true;
     case R.id.menu_help:              handleHelp();            return true;
+    case R.id.menu_qr_scan:           handleQrScan();          return true;
+    case R.id.menu_qr_show:           handleQrShow();          return true;
     }
 
     return false;
   }
 
+  private void handleQrScan() {
+    new IntentIntegrator(this).setCaptureActivity(QrScanActivity.class).initiateScan();
+  }
+
+  private void handleQrShow() {
+    Intent qrIntent = new Intent(this, QrShowActivity.class);
+    startActivity(qrIntent);
+  }
+
   @Override
   public void onCreateConversation(long threadId, Recipient recipient, int distributionType, long lastSeen) {
     openConversation(threadId, recipient, distributionType, lastSeen, -1);
@@ -227,4 +238,13 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
       Toast.makeText(this, R.string.ConversationListActivity_there_is_no_browser_installed_on_your_device, Toast.LENGTH_LONG).show();
     }
   }
+
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+    if (requestCode == IntentIntegrator.REQUEST_CODE) {
+      IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
+      QrScanHandler qrScanHandler = new QrScanHandler(this);
+      qrScanHandler.onScanPerformed(scanResult);
+    }
+  }
 }

src/org/thoughtcrime/securesms/ConversationListItem.java

@@ -41,7 +41,6 @@ import com.annimon.stream.Stream;
 import com.b44t.messenger.DcLot;
 import com.b44t.messenger.DcMsg;
 
-import org.thoughtcrime.securesms.components.AlertView;
 import org.thoughtcrime.securesms.components.AvatarImageView;
 import org.thoughtcrime.securesms.components.DeliveryStatusView;
 import org.thoughtcrime.securesms.components.FromTextView;
@@ -81,8 +80,8 @@ public class ConversationListItem extends RelativeLayout
   private TextView           dateView;
   private TextView           archivedView;
   private DeliveryStatusView deliveryStatusIndicator;
-  private AlertView          alertView;
   private ImageView          unreadIndicator;
+  private ImageView          verifiedIndicator;
   private long               lastSeen;
 
   private int             unreadCount;
@@ -103,14 +102,14 @@ public class ConversationListItem extends RelativeLayout
   protected void onFinishInflate() {
     super.onFinishInflate();
     this.subjectView             = findViewById(R.id.subject);
-    this.fromView                = findViewById(R.id.from);
+    this.fromView                = findViewById(R.id.from_text);
     this.dateView                = findViewById(R.id.date);
     this.deliveryStatusIndicator = findViewById(R.id.delivery_status);
-    this.alertView               = findViewById(R.id.indicators_parent);
     this.contactPhotoImage       = findViewById(R.id.contact_photo_image);
     this.thumbnailView           = findViewById(R.id.thumbnail);
     this.archivedView            = findViewById(R.id.archived);
     this.unreadIndicator         = findViewById(R.id.unread_indicator);
+    this.verifiedIndicator       = findViewById(R.id.verified_indicator);
     thumbnailView.setClickable(false);
 
     ViewUtil.setTextViewGravityStart(this.fromView, getContext());
@@ -177,6 +176,7 @@ public class ConversationListItem extends RelativeLayout
     setRippleColor(recipient);
     setUnreadIndicator(thread);
     this.contactPhotoImage.setAvatar(glideRequests, recipient, true);
+    verifiedIndicator.setVisibility(thread.isVerified() ? VISIBLE : GONE);
   }
 
   public void bind(@NonNull  Recipient     contact,
@@ -196,7 +196,6 @@ public class ConversationListItem extends RelativeLayout
     archivedView.setVisibility(GONE);
     unreadIndicator.setVisibility(GONE);
     deliveryStatusIndicator.setNone();
-    alertView.setNone();
     thumbnailView.setVisibility(GONE);
 
     setBatchState(false);
@@ -221,7 +220,6 @@ public class ConversationListItem extends RelativeLayout
     archivedView.setVisibility(GONE);
     unreadIndicator.setVisibility(GONE);
     deliveryStatusIndicator.setNone();
-    alertView.setNone();
     thumbnailView.setVisibility(GONE);
 
     setBatchState(false);
@@ -287,12 +285,9 @@ public class ConversationListItem extends RelativeLayout
 
     if (state==DcMsg.DC_STATE_IN_FRESH || state==DcMsg.DC_STATE_IN_NOTICED) {
       deliveryStatusIndicator.setNone();
-      alertView.setNone();
     } else if (state==DcMsg.DC_STATE_OUT_ERROR) {
-      deliveryStatusIndicator.setNone();
-      alertView.setFailed();
+      deliveryStatusIndicator.setFailed();
     } else {
-      alertView.setNone();
       if(state==DcMsg.DC_STATE_OUT_MDN_RCVD) {
         deliveryStatusIndicator.setRead();
       }

src/org/thoughtcrime/securesms/CreateProfileActivity.java

@@ -22,6 +22,8 @@ import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
 import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewAnimationUtils;
@@ -32,7 +34,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.dd.CircularProgressButton;
 import com.soundcloud.android.crop.Crop;
 
 import org.thoughtcrime.securesms.components.InputAwareLayout;
@@ -92,17 +93,17 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
 
   private InputAwareLayout       container;
   private ImageView              avatar;
-  private CircularProgressButton finishButton;
   private EditText               name;
-  private EmojiToggle            emojiToggle;
   private EmojiDrawer            emojiDrawer;
   private TextInputEditText statusView;
   private View                   reveal;
+  private MenuItem               finishMenuItem;
 
   private Intent nextIntent;
   private byte[] avatarBytes;
   private File   captureFile;
 
+
   @Override
   public void onCreate(Bundle bundle) {
     super.onCreate(bundle);
@@ -115,6 +116,7 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
     getSupportActionBar().setTitle(R.string.CreateProfileActivity_your_profile_info);
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
 
     initializeResources();
     initializeEmojiInput();
@@ -125,6 +127,14 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     ApplicationContext.getInstance(this).injectDependencies(this);
   }
 
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
+    MenuInflater inflater = this.getMenuInflater();
+    inflater.inflate(R.menu.preferences_create_profile_menu, menu);
+    finishMenuItem = menu.findItem(R.id.menu_create_profile);
+    return true;
+  }
+
   @Override
   public void onResume() {
     super.onResume();
@@ -139,6 +149,9 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       case android.R.id.home:
         onBackPressed();
         return true;
+      case R.id.menu_create_profile:
+        handleUpload();
+        break;
     }
 
     return false;
@@ -226,11 +239,9 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
     TextView informationLabel = ViewUtil.findById(this, R.id.information_label);
 
     this.avatar       = ViewUtil.findById(this, R.id.avatar);
-    this.name         = ViewUtil.findById(this, R.id.name);
-    this.emojiToggle  = ViewUtil.findById(this, R.id.emoji_toggle);
+    this.name         = ViewUtil.findById(this, R.id.name_text);
     this.emojiDrawer  = ViewUtil.findById(this, R.id.emoji_drawer);
     this.container    = ViewUtil.findById(this, R.id.container);
-    this.finishButton = ViewUtil.findById(this, R.id.finish_button);
     this.reveal       = ViewUtil.findById(this, R.id.reveal);
     this.statusView = ViewUtil.findById(this, R.id.status_text);
     this.nextIntent   = getIntent().getParcelableExtra(NEXT_INTENT);
@@ -250,20 +261,15 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       public void onTextChanged(CharSequence s, int start, int before, int count) {}
       @Override
       public void afterTextChanged(Editable s) {
-        if (s.toString().getBytes().length > ProfileCipher.NAME_PADDED_LENGTH) {
-          name.setError(getString(R.string.CreateProfileActivity_too_long));
-          finishButton.setEnabled(false);
-        } else if (name.getError() != null || !finishButton.isEnabled()) {
-          name.setError(null);
-          finishButton.setEnabled(true);
-        }
-      }
-    });
-
-    this.finishButton.setOnClickListener(view -> {
-      this.finishButton.setIndeterminateProgressMode(true);
-      this.finishButton.setProgress(50);
-      handleUpload();
+        if(finishMenuItem != null){
+          if (s.toString().getBytes().length > ProfileCipher.NAME_PADDED_LENGTH) {
+            name.setError(getString(R.string.CreateProfileActivity_too_long));
+            finishMenuItem.setEnabled(false);
+          } else if (name.getError() != null || !finishMenuItem.isEnabled()) {
+            name.setError(null);
+            finishMenuItem.setEnabled(true);
+          }
+      }}
     });
 
     passwordAccountSettings.setOnClickListener(view -> {
@@ -348,15 +354,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
   }
 
   private void initializeEmojiInput() {
-    this.emojiToggle.attach(emojiDrawer);
-
-    this.emojiToggle.setOnClickListener(v -> {
-      if (container.getCurrentInput() == emojiDrawer) {
-        container.showSoftkey(name);
-      } else {
-        container.show(name, emojiDrawer);
-      }
-    });
 
     this.emojiDrawer.setEmojiEventListener(new EmojiDrawer.EmojiEventListener() {
       @Override
@@ -374,7 +371,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
       }
     });
 
-    this.container.addOnKeyboardShownListener(() -> emojiToggle.setToEmoji());
     this.name.setOnClickListener(v -> container.showSoftkey(name));
   }
 
@@ -494,26 +490,17 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
   }
 
   private void handleFinishedLegacy() {
-    finishButton.setProgress(0);
     if (nextIntent != null) startActivity(nextIntent);
     finish();
   }
 
   @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
   private void handleFinishedLollipop() {
-    int[] finishButtonLocation = new int[2];
     int[] revealLocation       = new int[2];
 
-    finishButton.getLocationInWindow(finishButtonLocation);
     reveal.getLocationInWindow(revealLocation);
 
-    int finishX = finishButtonLocation[0] - revealLocation[0];
-    int finishY = finishButtonLocation[1] - revealLocation[1];
-
-    finishX += finishButton.getWidth() / 2;
-    finishY += finishButton.getHeight() / 2;
-
-    Animator animation = ViewAnimationUtils.createCircularReveal(reveal, finishX, finishY, 0f, (float) Math.max(reveal.getWidth(), reveal.getHeight()));
+    Animator animation = ViewAnimationUtils.createCircularReveal(reveal, reveal.getWidth(), 0, 0f, (float) Math.max(reveal.getWidth(), reveal.getHeight()));
     animation.setDuration(500);
     animation.addListener(new Animator.AnimatorListener() {
       @Override
@@ -521,7 +508,6 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
 
       @Override
       public void onAnimationEnd(Animator animation) {
-        finishButton.setProgress(0);
         if (nextIntent != null)  startActivity(nextIntent);
         finish();
       }

src/org/thoughtcrime/securesms/GroupCreateActivity.java

@@ -38,6 +38,7 @@ import android.widget.Toast;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.request.target.SimpleTarget;
 import com.bumptech.glide.request.transition.Transition;
+import com.dd.CircularProgressButton;
 import com.soundcloud.android.crop.Crop;
 
 import org.thoughtcrime.securesms.connect.ApplicationDcContext;
@@ -46,13 +47,9 @@ import org.thoughtcrime.securesms.contacts.ContactsCursorLoader.DisplayMode;
 import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
 import org.thoughtcrime.securesms.contacts.avatars.ResourceContactPhoto;
 import org.thoughtcrime.securesms.database.Address;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.GroupDatabase.GroupRecord;
 import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.mms.GlideApp;
 import org.thoughtcrime.securesms.recipients.Recipient;
-import org.thoughtcrime.securesms.util.BitmapUtil;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.SelectedRecipientsAdapter;
@@ -62,8 +59,6 @@ import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.File;
-import java.util.Collection;
-import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
@@ -97,8 +92,8 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
   private ImageView    avatar;
   private TextView     creatingText;
   private Bitmap       avatarBmp;
-
-  @NonNull private Optional<GroupData> groupToUpdate = Optional.absent();
+  private CircularProgressButton verifyButton;
+  private boolean editGroup;
 
   @Override
   protected void onPreCreate() {
@@ -132,7 +127,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     groupName.setEnabled(true);
 
     String title;
-    if(groupToUpdate.isPresent()) {
+    if(editGroup) {
       title = getString(R.string.GroupCreateActivity_actionbar_edit_title);
     }
     else if(createVerified) {
@@ -148,10 +143,6 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     new AddMembersTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipients);
   }
 
-  private void addSelectedContacts(@NonNull Collection<Recipient> recipients) {
-    addSelectedContacts(recipients.toArray(new Recipient[recipients.size()]));
-  }
-
   private static class AddMembersTask extends AsyncTask<Recipient,Void,List<AddMembersTask.Result>> {
     static class Result {
       Optional<Recipient> recipient;
@@ -200,20 +191,26 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     avatar       = ViewUtil.findById(this, R.id.avatar);
     groupName    = ViewUtil.findById(this, R.id.group_name);
     creatingText = ViewUtil.findById(this, R.id.creating_group_text);
+    verifyButton = ViewUtil.findById(this, R.id.verify_button);
     SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this);
     adapter.setOnRecipientDeletedListener(this);
     lv.setAdapter(adapter);
 
     findViewById(R.id.add_member_button).setOnClickListener(new AddRecipientButtonListener());
+    if (createVerified) {
+      verifyButton.setOnClickListener(new ShowQrButtonListener());
+      verifyButton.setVisibility(View.VISIBLE);
+    }
     avatar.setImageDrawable(new ResourceContactPhoto(R.drawable.ic_group_white_24dp).asDrawable(this, ContactColors.UNKNOWN_COLOR.toConversationColor(this)));
     avatar.setOnClickListener(view -> Crop.pickImage(GroupCreateActivity.this));
   }
 
   private void initializeExistingGroup() {
+    editGroup = true;
     final Address groupAddress = getIntent().getParcelableExtra(GROUP_ADDRESS_EXTRA);
-
     if (groupAddress != null) {
-      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, groupAddress.toGroupString());
+      int chatId = groupAddress.getDcChatId();
+      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, chatId);
     }
   }
 
@@ -235,7 +232,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
         finish();
         return true;
       case R.id.menu_create_group:
-        if (groupToUpdate.isPresent()) handleGroupUpdate();
+        if (editGroup) handleGroupUpdate();
         else                           handleGroupCreate();
         return true;
     }
@@ -354,7 +351,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     public void onClick(View v) {
       Intent intent = new Intent(GroupCreateActivity.this, ContactMultiSelectionActivity.class);
       intent.putExtra(ContactSelectionListFragment.SELECT_VERIFIED_EXTRA, createVerified);
-      if (groupToUpdate.isPresent()) {
+      if (editGroup) {
         intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH);
       } else {
         intent.putExtra(ContactSelectionListFragment.DISPLAY_MODE, DisplayMode.FLAG_PUSH | DisplayMode.FLAG_SMS);
@@ -363,10 +360,20 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     }
   }
 
-  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<String,Void,Optional<GroupData>> {
-    private GroupCreateActivity activity;
+  private class ShowQrButtonListener implements View.OnClickListener {
 
-    public FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
+    @Override
+    public void onClick(View view) {
+        Intent qrIntent = new Intent(GroupCreateActivity.this, QrShowActivity.class);
+        startActivity(qrIntent);
+    }
+  }
+
+  private static class FillExistingGroupInfoAsyncTask extends ProgressDialogAsyncTask<Integer,Void,Recipient> {
+
+    GroupCreateActivity activity;
+
+    FillExistingGroupInfoAsyncTask(GroupCreateActivity activity) {
       super(activity,
             R.string.GroupCreateActivity_loading_group_details,
             R.string.please_wait);
@@ -374,40 +381,27 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     }
 
     @Override
-    protected Optional<GroupData> doInBackground(String... groupIds) {
-      final GroupDatabase         db               = DatabaseFactory.getGroupDatabase(activity);
-      final List<Recipient>       recipients       = db.getGroupMembers(groupIds[0], false);
-      final Optional<GroupRecord> group            = db.getGroup(groupIds[0]);
-      final Set<Recipient>        existingContacts = new HashSet<>(recipients.size());
-      existingContacts.addAll(recipients);
-
-      if (group.isPresent()) {
-        return Optional.of(new GroupData(groupIds[0],
-                                         existingContacts,
-                                         BitmapUtil.fromByteArray(group.get().getAvatar()),
-                                         group.get().getAvatar(),
-                                         group.get().getTitle()));
-      } else {
-        return Optional.absent();
-      }
+    protected Recipient doInBackground(Integer... recipientIds) {
+      Integer recipientsId = recipientIds[0];
+      Recipient recipient = activity.dcContext.getRecipient(ApplicationDcContext.RECIPIENT_TYPE_CHAT, recipientsId);
+      return recipient;
     }
 
     @Override
-    protected void onPostExecute(Optional<GroupData> group) {
-      super.onPostExecute(group);
+    protected void onPostExecute(Recipient recipient) {
+      super.onPostExecute(recipient);
+      activity.fllExistingGroup(recipient);
+    }
+  }
 
-      if (group.isPresent() && !activity.isFinishing()) {
-        activity.groupToUpdate = group;
-
-        activity.groupName.setText(group.get().name);
-        if (group.get().avatarBmp != null) {
-          activity.setAvatar(group.get().avatarBytes, group.get().avatarBmp);
-        }
-        SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(activity, group.get().recipients);
-        adapter.setOnRecipientDeletedListener(activity);
-        activity.lv.setAdapter(adapter);
-        activity.updateViewState();
-      }
+  private void fllExistingGroup(Recipient recipient) {
+    List<Recipient> participants = recipient.getParticipants();
+    if (!isFinishing()) {
+      groupName.setText(recipient.getName());
+      SelectedRecipientsAdapter adapter = new SelectedRecipientsAdapter(this, participants);
+      adapter.setOnRecipientDeletedListener(this);
+      lv.setAdapter(adapter);
+      updateViewState();
     }
   }
 

src/org/thoughtcrime/securesms/QrScanActivity.java

@@ -0,0 +1,118 @@
+package org.thoughtcrime.securesms;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+
+import com.journeyapps.barcodescanner.CaptureManager;
+import com.journeyapps.barcodescanner.CompoundBarcodeView;
+
+import org.thoughtcrime.securesms.permissions.Permissions;
+
+public class QrScanActivity extends AppCompatActivity {
+
+    private CaptureManager capture;
+
+    private CompoundBarcodeView barcodeScannerView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_qr_scan);
+
+        assert getSupportActionBar() != null;
+        getSupportActionBar().setTitle(R.string.qr_scan_activity__title);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        barcodeScannerView = findViewById(R.id.zxing_barcode_scanner);
+        barcodeScannerView.setStatusText(getString(R.string.qr_scan_activity__hint) + "\n ");
+
+        if (savedInstanceState != null) {
+            init(barcodeScannerView, getIntent(), savedInstanceState);
+        }
+
+        Permissions.with(this)
+                .request(Manifest.permission.CAMERA)
+                .ifNecessary()
+                .onAnyResult(this::handleQrScanWithPermissions)
+                .onAnyDenied(this::handleQrScanWithDeniedPermission)
+                .execute();
+    }
+
+    private void handleQrScanWithPermissions() {
+        init(barcodeScannerView, getIntent(), null);
+    }
+
+    private void handleQrScanWithDeniedPermission() {
+        setResult(Activity.RESULT_CANCELED);
+        finish();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
+        Permissions.onRequestPermissionsResult(this, requestCode, permissions, grantResults);
+    }
+
+    private void init(CompoundBarcodeView barcodeScannerView, Intent intent, Bundle savedInstanceState) {
+        capture = new CaptureManager(this, barcodeScannerView);
+        capture.initializeFromIntent(intent, savedInstanceState);
+        capture.decode();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (capture != null) {
+            capture.onResume();
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (capture != null) {
+            capture.onPause();
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (capture != null) {
+            capture.onDestroy();
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (capture != null) {
+            capture.onSaveInstanceState(outState);
+        }
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
+    }
+
+}

src/org/thoughtcrime/securesms/QrShowActivity.java

@@ -0,0 +1,188 @@
+package org.thoughtcrime.securesms;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.text.Html;
+import android.view.MenuItem;
+import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.b44t.messenger.DcContext;
+import com.b44t.messenger.DcEventCenter;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
+import org.thoughtcrime.securesms.connect.DcHelper;
+
+public class QrShowActivity extends AppCompatActivity implements DcEventCenter.DcEventDelegate {
+
+    public final static int WHITE = 0xFFFFFFFF;
+    public final static int BLACK = 0xFF000000;
+    public final static int WIDTH = 400;
+    public final static int HEIGHT = 400;
+
+    public int numJoiners;
+
+    DcEventCenter dcEventCenter;
+
+    ApplicationDcContext dcContext;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_qr_show);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); // keeping the screen on also avoids falling back from IDLE to POLL
+
+        dcContext = DcHelper.getContext(this);
+        dcEventCenter = dcContext.eventCenter;
+
+        Bundle extras = getIntent().getExtras();
+        int chatId = 0;
+        if (extras != null) {
+            chatId = extras.getInt("chat_id");
+        }
+
+        ActionBar supportActionBar = getSupportActionBar();
+        assert supportActionBar != null;
+        supportActionBar.setDisplayHomeAsUpEnabled(true);
+
+        String hint;
+        if (chatId != 0) {
+            // verified-group
+            String groupName = dcContext.getChat(chatId).getName();
+            hint = String.format(this.getString(R.string.qr_show_activity__join_verified_group_hint), groupName);
+            supportActionBar.setTitle(groupName);
+            supportActionBar.setSubtitle(R.string.qr_show_activity__join_verified_group_title);
+        } else {
+            // verify-contact
+            String selfName = DcHelper.get(this, DcHelper.CONFIG_DISPLAY_NAME); // we cannot use MrContact.getDisplayName() as this would result in "Me" instead of
+            String nameAndAddress;
+            if (selfName.isEmpty()) {
+                selfName = DcHelper.get(this, DcHelper.CONFIG_ADDRESS, "unknown");
+                nameAndAddress = selfName;
+            } else {
+                nameAndAddress = String.format("%s (%s)", selfName, DcHelper.get(this, DcHelper.CONFIG_ADDRESS));
+            }
+            hint = String.format(this.getString(R.string.qr_show_activity__join_contact_hint), nameAndAddress);
+            supportActionBar.setTitle(selfName);
+            supportActionBar.setSubtitle(R.string.qr_show_activity__join_contact_title);
+        }
+        TextView hintBelowQr = findViewById(R.id.qrShowHint);
+        hintBelowQr.setText(Html.fromHtml(hint));
+
+        numJoiners = 0;
+
+        ImageView imageView = findViewById(R.id.qrImage);
+        try {
+            Bitmap bitmap = encodeAsBitmap(dcContext.getSecurejoinQr(chatId));
+            imageView.setImageBitmap(bitmap);
+        } catch (WriterException e) {
+            e.printStackTrace();
+        }
+
+        dcEventCenter.addObserver(this, DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        dcEventCenter.removeObserver(this, DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return false;
+    }
+
+    Bitmap encodeAsBitmap(String str) throws WriterException {
+        BitMatrix result;
+        try {
+            result = new MultiFormatWriter().encode(str,
+                    BarcodeFormat.QR_CODE, WIDTH, HEIGHT, null);
+        } catch (IllegalArgumentException iae) {
+            // Unsupported format
+            return null;
+        }
+
+        int w = result.getWidth();
+        int h = result.getHeight();
+        int[] pixels = new int[w * h];
+        for (int y = 0; y < h; y++) {
+            int offset = y * w;
+            for (int x = 0; x < w; x++) {
+                pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
+            }
+        }
+
+        Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
+        bitmap.setPixels(pixels, 0, w, 0, 0, w, h);
+
+        int configQrOverlayLogo = DcHelper.getInt(this, DcHelper.CONFIG_QR_OVERLAY_LOGO, 1);
+        if (configQrOverlayLogo != 0) {
+            Bitmap overlay = BitmapFactory.decodeResource(this.getResources(), R.drawable.qr_overlay);
+            putOverlay(bitmap, overlay);
+        }
+
+        return bitmap;
+    }
+
+    public void putOverlay(Bitmap bitmap, Bitmap overlay) {
+        int bw = bitmap.getWidth();
+        int bh = bitmap.getHeight();
+        int ow = bw / 6;
+        int oh = bh / 6;
+
+        Canvas canvas = new Canvas(bitmap);
+        Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
+        canvas.drawBitmap(overlay, null, new Rect(bw / 2 - ow / 2, bh / 2 - oh / 2, bw / 2 + ow / 2, bh / 2 + oh / 2), paint);
+    }
+
+    @Override
+    public void handleEvent(int eventId, Object data1, Object data2) {
+        if (eventId == DcContext.DC_EVENT_SECUREJOIN_INVITER_PROGRESS) {
+            DcContext dcContext = DcHelper.getContext(this);
+            int contact_id = ((Long) data1).intValue();
+            long progress = (Long) data2;
+            String msg = null;
+            if (progress == 300) {
+                msg = String.format(getString(R.string.qr_show_activity__joining), dcContext.getContact(contact_id).getNameNAddr());
+                numJoiners++;
+            } else if (progress == 600) {
+                msg = String.format(getString(R.string.qr_show_activity__verified), dcContext.getContact(contact_id).getNameNAddr());
+            } else if (progress == 800) {
+                msg = String.format(getString(R.string.qr_show_activity__group_joined), dcContext.getContact(contact_id).getNameNAddr());
+            }
+
+            if (msg != null) {
+                Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
+            }
+
+            if (progress == 1000) {
+                numJoiners--;
+                if (numJoiners <= 0) {
+                    finish();
+                }
+            }
+        }
+
+    }
+}

src/org/thoughtcrime/securesms/attachments/Attachment.java

@@ -10,7 +10,7 @@ public abstract class Attachment {
 
   @NonNull
   private final String  contentType;
-  private final int     transferState;
+  private       int     transferState;
   private final long    size;
 
   @Nullable
@@ -63,6 +63,10 @@ public abstract class Attachment {
   @Nullable
   public abstract Uri getThumbnailUri();
 
+  public void setTransferState(int transferState) {
+    this.transferState = transferState;
+  }
+
   public int getTransferState() {
     return transferState;
   }

src/org/thoughtcrime/securesms/attachments/DcAttachment.java

@@ -0,0 +1,36 @@
+package org.thoughtcrime.securesms.attachments;
+
+import java.io.File;
+import android.net.Uri;
+import android.support.annotation.Nullable;
+
+import com.b44t.messenger.DcMsg;
+
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
+
+public class DcAttachment extends Attachment {
+
+  private final DcMsg dcMsg;
+
+  public DcAttachment(DcMsg dcMsg) {
+    // todo: width, height, quote
+    super(dcMsg.getFilemime(), AttachmentDatabase.TRANSFER_PROGRESS_DONE, dcMsg.getFilebytes(),
+        dcMsg.getFilename(),
+        Uri.fromFile(new File(dcMsg.getFile())).toString(), String.valueOf(dcMsg.getId()), null, null,
+        null, dcMsg.getType() == DcMsg.DC_MSG_VOICE,
+        0, 0, false);
+    this.dcMsg = dcMsg;
+  }
+
+  @Nullable
+  @Override
+  public Uri getDataUri() {
+    return Uri.fromFile(new File(dcMsg.getFile()));
+  }
+
+  @Nullable
+  @Override
+  public Uri getThumbnailUri() {
+    return Uri.fromFile(new File(dcMsg.getFile()));
+  }
+}

src/org/thoughtcrime/securesms/components/AlertView.java

@@ -1,72 +0,0 @@
-package org.thoughtcrime.securesms.components;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.os.Build.VERSION_CODES;
-import android.support.v4.content.ContextCompat;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-
-import org.thoughtcrime.securesms.R;
-
-public class AlertView extends LinearLayout {
-
-  private static final String TAG = AlertView.class.getSimpleName();
-
-  private ImageView approvalIndicator;
-  private ImageView failedIndicator;
-
-  public AlertView(Context context) {
-    this(context, null);
-  }
-
-  public AlertView(Context context, AttributeSet attrs) {
-    super(context, attrs);
-    initialize(attrs);
-  }
-
-  @TargetApi(VERSION_CODES.HONEYCOMB)
-  public AlertView(final Context context, AttributeSet attrs, int defStyle) {
-    super(context, attrs, defStyle);
-    initialize(attrs);
-  }
-
-  private void initialize(AttributeSet attrs) {
-    inflate(getContext(), R.layout.alert_view, this);
-
-    approvalIndicator = findViewById(R.id.pending_approval_indicator);
-    failedIndicator   = findViewById(R.id.sms_failed_indicator);
-
-    if (attrs != null) {
-      TypedArray typedArray = getContext().getTheme().obtainStyledAttributes(attrs, R.styleable.AlertView, 0, 0);
-      boolean useSmallIcon = typedArray.getBoolean(R.styleable.AlertView_useSmallIcon, false);
-      typedArray.recycle();
-
-      if (useSmallIcon) {
-        int size = getResources().getDimensionPixelOffset(R.dimen.alertview_small_icon_size);
-        failedIndicator.getLayoutParams().width  = size;
-        failedIndicator.getLayoutParams().height = size;
-        requestLayout();
-      }
-    }
-  }
-
-  public void setNone() {
-    this.setVisibility(View.GONE);
-  }
-
-  public void setPendingApproval() {
-    this.setVisibility(View.VISIBLE);
-    approvalIndicator.setVisibility(View.VISIBLE);
-    failedIndicator.setVisibility(View.GONE);
-  }
-
-  public void setFailed() {
-    this.setVisibility(View.VISIBLE);
-    approvalIndicator.setVisibility(View.GONE);
-    failedIndicator.setVisibility(View.VISIBLE);
-  }
-}

src/org/thoughtcrime/securesms/components/AudioView.java

@@ -20,18 +20,9 @@ import android.widget.ImageView;
 import android.widget.SeekBar;
 import android.widget.TextView;
 
-import com.pnikosis.materialishprogress.ProgressWheel;
-
-import org.greenrobot.eventbus.EventBus;
-import org.greenrobot.eventbus.Subscribe;
-import org.greenrobot.eventbus.ThreadMode;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.audio.AudioSlidePlayer;
-import org.thoughtcrime.securesms.database.AttachmentDatabase;
-import org.thoughtcrime.securesms.events.PartProgressEvent;
 import org.thoughtcrime.securesms.mms.AudioSlide;
-import org.thoughtcrime.securesms.mms.SlideClickListener;
-import org.thoughtcrime.securesms.util.Util;
 
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
@@ -45,11 +36,9 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
   private final @NonNull ViewGroup       container;
   private final @NonNull ImageView       playButton;
   private final @NonNull ImageView       pauseButton;
-  private final @NonNull ImageView       downloadButton;
   private final @NonNull SeekBar         seekBar;
   private final @NonNull TextView        timestamp;
 
-  private @Nullable SlideClickListener downloadListener;
   private @Nullable AudioSlidePlayer   audioSlidePlayer;
   private int backwardsCounter;
 
@@ -69,7 +58,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.controlToggle    = (AnimatingToggle) findViewById(R.id.control_toggle);
     this.playButton       = (ImageView) findViewById(R.id.play);
     this.pauseButton      = (ImageView) findViewById(R.id.pause);
-    this.downloadButton   = (ImageView) findViewById(R.id.download);
     this.seekBar          = (SeekBar) findViewById(R.id.seek);
     this.timestamp        = (TextView) findViewById(R.id.timestamp);
 
@@ -134,7 +122,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.pauseButton.setFocusable(focusable);
     this.seekBar.setFocusable(focusable);
     this.seekBar.setFocusableInTouchMode(focusable);
-    this.downloadButton.setFocusable(focusable);
   }
 
   @Override
@@ -144,7 +131,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.pauseButton.setClickable(clickable);
     this.seekBar.setClickable(clickable);
     this.seekBar.setOnTouchListener(clickable ? null : new TouchIgnoringListener());
-    this.downloadButton.setClickable(clickable);
   }
 
   @Override
@@ -153,7 +139,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     this.playButton.setEnabled(enabled);
     this.pauseButton.setEnabled(enabled);
     this.seekBar.setEnabled(enabled);
-    this.downloadButton.setEnabled(enabled);
   }
 
   @Override
@@ -182,8 +167,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
       this.pauseButton.setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
     }
 
-    this.downloadButton.setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
-
     this.timestamp.setTextColor(foregroundTint);
     this.seekBar.getProgressDrawable().setColorFilter(foregroundTint, PorterDuff.Mode.SRC_IN);
 
@@ -248,19 +231,6 @@ public class AudioView extends FrameLayout implements AudioSlidePlayer.Listener
     }
   }
 
-  private class DownloadClickedListener implements View.OnClickListener {
-    private final @NonNull AudioSlide slide;
-
-    private DownloadClickedListener(@NonNull AudioSlide slide) {
-      this.slide = slide;
-    }
-
-    @Override
-    public void onClick(View v) {
-      if (downloadListener != null) downloadListener.onClick(v, slide);
-    }
-  }
-
   private class SeekBarModifiedListener implements SeekBar.OnSeekBarChangeListener {
     @Override
     public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {}

src/org/thoughtcrime/securesms/components/ConversationItemFooter.java

@@ -75,12 +75,7 @@ public class ConversationItemFooter extends LinearLayout {
 
   private void presentDate(@NonNull DcMsg messageRecord, @NonNull Locale locale) {
     dateView.forceLayout();
-
-    if (messageRecord.isFailed()) {
-      dateView.setText(R.string.ConversationItem_error_not_delivered);
-    } else {
-      dateView.setText(DateUtils.getTimeOfDayTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
-    }
+    dateView.setText(DateUtils.getTimeOfDayTimeSpanString(getContext(), locale, messageRecord.getTimestamp()));
   }
 
   private void presentSecureIndicator(@NonNull DcMsg messageRecord) {
@@ -88,13 +83,10 @@ public class ConversationItemFooter extends LinearLayout {
   }
 
   private void presentDeliveryStatus(@NonNull DcMsg messageRecord) {
-    if (!messageRecord.isFailed()) {
-      if      (!messageRecord.isOutgoing())  deliveryStatusView.setNone();
-      else if (messageRecord.isRemoteRead()) deliveryStatusView.setRead();
-      else if (messageRecord.isDelivered())  deliveryStatusView.setSent();
-      else                                   deliveryStatusView.setPending();
-    } else {
-      deliveryStatusView.setNone();
-    }
+    if      (!messageRecord.isOutgoing())  deliveryStatusView.setNone();
+    else if (messageRecord.isRemoteRead()) deliveryStatusView.setRead();
+    else if (messageRecord.isDelivered())  deliveryStatusView.setSent();
+    else if (messageRecord.isFailed())     deliveryStatusView.setFailed();
+    else                                   deliveryStatusView.setPending();
   }
 }

src/org/thoughtcrime/securesms/components/ConversationItemThumbnail.java

@@ -16,10 +16,14 @@ import android.widget.FrameLayout;
 import android.widget.ImageView;
 
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideClickListener;
 import org.thoughtcrime.securesms.util.ThemeUtil;
+import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
+
+import java.util.concurrent.ExecutionException;
 
 public class ConversationItemThumbnail extends FrameLayout {
 
@@ -145,11 +149,25 @@ public class ConversationItemThumbnail extends FrameLayout {
     return footer;
   }
 
+  private void refreshSlideAttachmentState(ListenableFuture<Boolean> signal, Slide slide) {
+    signal.addListener(new ListenableFuture.Listener<Boolean>() {
+      @Override
+      public void onSuccess(Boolean result) {
+        slide.asAttachment().setTransferState(AttachmentDatabase.TRANSFER_PROGRESS_DONE);
+      }
+
+      @Override
+      public void onFailure(ExecutionException e) {
+        slide.asAttachment().setTransferState(AttachmentDatabase.TRANSFER_PROGRESS_FAILED);
+      }
+    });
+  }
+
   @UiThread
   public void setImageResource(@NonNull GlideRequests glideRequests, @NonNull Slide slide,
                                boolean showControls, boolean isPreview)
   {
-    thumbnail.setImageResource(glideRequests, slide, showControls, isPreview);
+    refreshSlideAttachmentState(thumbnail.setImageResource(glideRequests, slide, showControls, isPreview), slide);
   }
 
   @UiThread
@@ -157,7 +175,8 @@ public class ConversationItemThumbnail extends FrameLayout {
                                boolean showControls, boolean isPreview, int naturalWidth,
                                int naturalHeight)
   {
-    thumbnail.setImageResource(glideRequests, slide, showControls, isPreview, naturalWidth, naturalHeight);
+    refreshSlideAttachmentState(thumbnail.setImageResource(glideRequests, slide, showControls, isPreview, naturalWidth, naturalHeight), slide);
+
   }
 
   public void setImageResource(@NonNull GlideRequests glideRequests, @NonNull Uri uri) {

src/org/thoughtcrime/securesms/connect/ApplicationDcContext.java

@@ -16,20 +16,19 @@
  */
 package org.thoughtcrime.securesms.connect;
 
-import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import android.os.PowerManager;
+import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
 import android.support.v4.content.FileProvider;
 import android.util.Log;
 import android.widget.Toast;
 
 import com.b44t.messenger.DcChat;
-import com.b44t.messenger.DcChatlist;
 import com.b44t.messenger.DcContact;
 import com.b44t.messenger.DcContext;
 import com.b44t.messenger.DcEventCenter;
@@ -40,16 +39,11 @@ import org.thoughtcrime.securesms.ApplicationContext;
 import org.thoughtcrime.securesms.BuildConfig;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.database.Address;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.database.GroupDatabase;
-import org.thoughtcrime.securesms.database.RecipientDatabase;
 import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.database.model.ThreadRecord;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientProvider;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
-import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedReader;
@@ -58,15 +52,23 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 
 public class ApplicationDcContext extends DcContext {
 
+    @IntDef({RECIPIENT_TYPE_CHAT, RECIPIENT_TYPE_CONTACT})
+    public @interface RecipientType {}
+
+    public static final int RECIPIENT_TYPE_CHAT = 0;
+    public static final int RECIPIENT_TYPE_CONTACT = 1;
+
     public Context context;
 
     public ApplicationDcContext(Context context) {
-        super("Android");
+        super("android-dev");
         this.context = context;
 
         File dbfile = new File(context.getFilesDir(), "messenger.db");
@@ -155,13 +157,25 @@ public class ApplicationDcContext extends DcContext {
      **********************************************************************************************/
 
     @NonNull
-    public Recipient getRecipient(int chatId) {
-        return getRecipient(getChat(chatId));
+    public Recipient getRecipient(@RecipientType int recipientType, int id) {
+        switch (recipientType) {
+            case RECIPIENT_TYPE_CHAT:
+                return getRecipient(getChat(id));
+            case RECIPIENT_TYPE_CONTACT:
+                return getRecipient(getContact(id));
+            default:
+                throw new IllegalArgumentException("Wrong RecipientType");
+        }
     }
 
     @NonNull
     public Recipient getRecipient(DcChat chat) {
-        RecipientProvider.RecipientDetails recipientDetails = new RecipientProvider.RecipientDetails(chat.getName(), null, false, null, null);
+        int[] contactIds = getChatContacts(chat.getId());
+        List<Recipient> participants = new ArrayList<>();
+        for(int contactId : contactIds) {
+            participants.add(getRecipient(RECIPIENT_TYPE_CONTACT, contactId));
+        }
+        RecipientProvider.RecipientDetails recipientDetails = new RecipientProvider.RecipientDetails(chat.getName(), null, false, null, participants);
         return new Recipient(Address.fromChat(chat.getId()), recipientDetails);
     }
     @NonNull
@@ -189,10 +203,11 @@ public class ApplicationDcContext extends DcContext {
         int                status               = 0;
         long               expiresIn            = 0;
         long               lastSeen             = 0;
+        boolean            verified             = chat.isVerified();
 
         return new ThreadRecord(context, body, null, recipient, date, count,
                 unreadCount, chatId, 0, status, type,
-                distributionType, archived, expiresIn, lastSeen, 0);
+                distributionType, archived, expiresIn, lastSeen, 0, verified);
     }
 
 

src/org/thoughtcrime/securesms/connect/DcHelper.java

@@ -22,6 +22,7 @@ public class DcHelper {
     public static final String CONFIG_SELF_STATUS = "selfstatus";
     public static final String CONFIG_SELF_AVATAR = "selfavatar";
     public static final String CONFIG_E2EE_ENABLED = "e2ee_enabled";
+    public static final String CONFIG_QR_OVERLAY_LOGO = "qr_overlay_logo";
 
     public static ApplicationDcContext getContext(Context context) {
         return ApplicationContext.getInstance(context).dcContext;
@@ -32,9 +33,18 @@ public class DcHelper {
         return dcContext.isConfigured() == 1;
     }
 
-    public static String get(Context context, String key) {
+    public static int getInt(Context context, String key, int defaultValue) {
         DcContext dcContext = getContext(context);
-        return dcContext.getConfig(key, "");
+        return dcContext.getConfigInt(key, defaultValue);
+    }
+
+    public static String get(Context context, String key, String defaultValue) {
+        DcContext dcContext = getContext(context);
+        return dcContext.getConfig(key, defaultValue);
+    }
+
+    public static String get(Context context, String key) {
+        return get(context, key, "");
     }
 
     public static void set(Context context, String key, String value) {

src/org/thoughtcrime/securesms/contacts/ContactSelectionListItem.java

@@ -78,7 +78,7 @@ public class ContactSelectionListItem extends LinearLayout implements RecipientM
     this.numberView.setTextColor(color);
     this.contactPhotoImage.setAvatar(glideRequests, recipient, false);
 
-    setText(name, number, label);
+    setText(name, number, label, contact);
 
     if (multiSelect) this.checkBox.setVisibility(View.VISIBLE);
     else             this.checkBox.setVisibility(View.GONE);
@@ -97,7 +97,7 @@ public class ContactSelectionListItem extends LinearLayout implements RecipientM
     contactPhotoImage.clear(glideRequests);
   }
 
-  private void setText(String name, String number, String label) {
+  private void setText(String name, String number, String label, DcContact contact) {
     this.nameView.setEnabled(true);
     this.nameView.setText(name==null? "#" : name);
 
@@ -109,6 +109,11 @@ public class ContactSelectionListItem extends LinearLayout implements RecipientM
     else {
       this.numberContainer.setVisibility(View.GONE);
     }
+    if (contact != null && contact.isVerified()) {
+      nameView.setCompoundDrawablesWithIntrinsicBounds(0,0,R.drawable.ic_verified,0);
+    } else {
+      nameView.setCompoundDrawablesWithIntrinsicBounds(0,0, 0,0);
+    }
   }
 
   public int getSpecialId() {

src/org/thoughtcrime/securesms/database/ThreadDatabase.java

@@ -44,7 +44,6 @@ import org.thoughtcrime.securesms.mms.Slide;
 import org.thoughtcrime.securesms.mms.SlideDeck;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.util.DelimiterUtil;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
 import org.whispersystems.libsignal.util.Pair;
 import org.whispersystems.libsignal.util.guava.Optional;
@@ -689,7 +688,7 @@ public class ThreadDatabase extends Database {
 
       return new ThreadRecord(context, body, snippetUri, recipient, date, count,
                               unreadCount, threadId, deliveryReceiptCount, status, type,
-                              distributionType, archived, expiresIn, lastSeen, readReceiptCount);
+                              distributionType, archived, expiresIn, lastSeen, readReceiptCount, false);
     }
 
     private @Nullable Uri getSnippetUri(Cursor cursor) {

src/org/thoughtcrime/securesms/database/model/ThreadRecord.java

@@ -48,12 +48,13 @@ public class ThreadRecord extends DisplayRecord {
   private           final boolean archived;
   private           final long    expiresIn;
   private           final long    lastSeen;
+  private           final boolean verified;
 
   public ThreadRecord(@NonNull Context context, @NonNull String body, @Nullable Uri snippetUri,
                       @NonNull Recipient recipient, long date, long count, int unreadCount,
                       long threadId, int deliveryReceiptCount, int status, long snippetType,
                       int distributionType, boolean archived, long expiresIn, long lastSeen,
-                      int readReceiptCount)
+                      int readReceiptCount, boolean verified)
   {
     super(context, body, recipient, date, date, threadId, status, deliveryReceiptCount, snippetType, readReceiptCount);
     this.context          = context.getApplicationContext();
@@ -64,6 +65,7 @@ public class ThreadRecord extends DisplayRecord {
     this.archived         = archived;
     this.expiresIn        = expiresIn;
     this.lastSeen         = lastSeen;
+    this.verified         = verified;
   }
 
   public @Nullable Uri getSnippetUri() {
@@ -158,4 +160,8 @@ public class ThreadRecord extends DisplayRecord {
   public long getLastSeen() {
     return lastSeen;
   }
+
+  public boolean isVerified() {
+    return verified;
+  }
 }

src/org/thoughtcrime/securesms/mms/AudioSlide.java

@@ -27,6 +27,7 @@ import com.b44t.messenger.DcMsg;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.attachments.Attachment;
+import org.thoughtcrime.securesms.attachments.DcAttachment;
 import org.thoughtcrime.securesms.attachments.UriAttachment;
 import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.util.MediaUtil;
@@ -38,7 +39,7 @@ import java.io.File;
 public class AudioSlide extends Slide {
 
   public AudioSlide(Context context, DcMsg dcMsg) {
-    this(context, Uri.fromFile(new File(dcMsg.getFile())), dcMsg.getBytes(), dcMsg.getType()==DcMsg.DC_MSG_VOICE);
+    super(context, new DcAttachment(dcMsg));
     dcMsgId = dcMsg.getId();
   }
 

src/org/thoughtcrime/securesms/mms/DocumentSlide.java

@@ -9,6 +9,7 @@ import android.support.annotation.Nullable;
 import com.b44t.messenger.DcMsg;
 
 import org.thoughtcrime.securesms.attachments.Attachment;
+import org.thoughtcrime.securesms.attachments.DcAttachment;
 import org.thoughtcrime.securesms.util.StorageUtil;
 
 import java.io.File;
@@ -20,7 +21,7 @@ public class DocumentSlide extends Slide {
   }
 
   public DocumentSlide(Context context, DcMsg dcMsg) {
-    this(context, Uri.fromFile(new File(dcMsg.getFile())), dcMsg.getFilemime(), dcMsg.getBytes(), dcMsg.getFilename());
+    this(context, new DcAttachment(dcMsg));
     dcMsgId = dcMsg.getId();
   }
 

src/org/thoughtcrime/securesms/mms/GifSlide.java

@@ -4,11 +4,17 @@ import android.content.Context;
 import android.net.Uri;
 import android.support.annotation.Nullable;
 
+import com.b44t.messenger.DcMsg;
+
 import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.util.MediaUtil;
 
 public class GifSlide extends ImageSlide {
 
+  public GifSlide(Context context, DcMsg dcMsg) {
+    super(context, dcMsg);
+  }
+
   public GifSlide(Context context, Attachment attachment) {
     super(context, attachment);
   }

src/org/thoughtcrime/securesms/mms/ImageSlide.java

@@ -23,8 +23,11 @@ import android.support.annotation.DrawableRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
+import com.b44t.messenger.DcMsg;
+
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.attachments.Attachment;
+import org.thoughtcrime.securesms.attachments.DcAttachment;
 import org.thoughtcrime.securesms.util.MediaUtil;
 
 public class ImageSlide extends Slide {
@@ -32,6 +35,10 @@ public class ImageSlide extends Slide {
   @SuppressWarnings("unused")
   private static final String TAG = ImageSlide.class.getSimpleName();
 
+  public ImageSlide(@NonNull Context context, @NonNull DcMsg dcMsg) {
+    super(context, new DcAttachment(dcMsg));
+  }
+
   public ImageSlide(@NonNull Context context, @NonNull Attachment attachment) {
     super(context, attachment);
   }

src/org/thoughtcrime/securesms/mms/MmsSlide.java

@@ -4,10 +4,16 @@ package org.thoughtcrime.securesms.mms;
 import android.content.Context;
 import android.support.annotation.NonNull;
 
+import com.b44t.messenger.DcMsg;
+
 import org.thoughtcrime.securesms.attachments.Attachment;
 
 public class MmsSlide extends ImageSlide {
 
+  public MmsSlide(@NonNull Context context, @NonNull DcMsg dcMsg) {
+    super(context, dcMsg);
+  }
+
   public MmsSlide(@NonNull Context context, @NonNull Attachment attachment) {
     super(context, attachment);
   }

src/org/thoughtcrime/securesms/mms/VideoSlide.java

@@ -22,8 +22,11 @@ import android.net.Uri;
 import android.support.annotation.DrawableRes;
 import android.support.annotation.NonNull;
 
+import com.b44t.messenger.DcMsg;
+
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.attachments.Attachment;
+import org.thoughtcrime.securesms.attachments.DcAttachment;
 import org.thoughtcrime.securesms.util.MediaUtil;
 import org.thoughtcrime.securesms.util.ResUtil;
 
@@ -33,6 +36,10 @@ public class VideoSlide extends Slide {
     super(context, constructAttachmentFromUri(context, uri, MediaUtil.VIDEO_UNSPECIFIED, dataSize, 0, 0, MediaUtil.hasVideoThumbnail(uri), null, false, false));
   }
 
+  public VideoSlide(Context context, DcMsg dcMsg) {
+    super(context, new DcAttachment(dcMsg));
+  }
+
   public VideoSlide(Context context, Attachment attachment) {
     super(context, attachment);
   }

src/org/thoughtcrime/securesms/preferences/AppearancePreferenceFragment.java

@@ -1,50 +1,17 @@
 package org.thoughtcrime.securesms.preferences;
 
-import android.app.WallpaperManager;
 import android.content.Context;
 import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.Matrix;
-import android.graphics.Point;
-import android.graphics.drawable.Drawable;
-import android.media.ExifInterface;
-import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
-import android.provider.MediaStore;
-import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.preference.ListPreference;
 import android.support.v7.preference.Preference;
-import android.util.Log;
-import android.view.Display;
-import android.view.WindowManager;
-import android.widget.Toast;
-
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy;
-import com.bumptech.glide.request.target.SimpleTarget;
-import com.bumptech.glide.request.transition.Transition;
 
 import org.thoughtcrime.securesms.ApplicationPreferencesActivity;
 import org.thoughtcrime.securesms.R;
-import org.thoughtcrime.securesms.mms.GlideApp;
-import org.thoughtcrime.securesms.util.ServiceUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.channels.FileChannel;
 import java.util.Arrays;
-import java.util.Objects;
-import java.util.concurrent.ExecutionException;
-
-import static android.app.Activity.RESULT_OK;
 
 public class AppearancePreferenceFragment extends ListSummaryPreferenceFragment {
 
@@ -82,51 +49,6 @@ public class AppearancePreferenceFragment extends ListSummaryPreferenceFragment
     getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener((ApplicationPreferencesActivity) getActivity());
   }
 
-  @Override
-  public void onActivityResult(int requestCode, int resultCode, Intent data) {
-    if (data != null && getContext() != null && resultCode == RESULT_OK && requestCode == ApplicationPreferencesActivity.REQUEST_CODE_SET_BACKGROUND) {
-      Uri imageUri = data.getData();
-      if (imageUri != null) {
-              Thread thread = new Thread(){
-                @Override
-                public void run() {
-                  try {
-                    Display display = ServiceUtil.getWindowManager(getContext()).getDefaultDisplay();
-                    Point size = new Point();
-                    display.getSize(size);
-                    Bitmap scaledBitmap = GlideApp.with(getContext())
-                            .asBitmap()
-                            .load(imageUri)
-                            .centerCrop()
-                            .skipMemoryCache(true)
-                            .diskCacheStrategy(DiskCacheStrategy.NONE)
-                            .submit(size.x, size.y)
-                            .get();
-                    String destination = getContext().getFilesDir().getAbsolutePath() + "background";
-                    FileOutputStream outStream = new FileOutputStream(destination);
-                    scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 85, outStream);
-                  } catch (InterruptedException e) {
-                    e.printStackTrace();
-                    showBackgroundSaveError();
-                  } catch (ExecutionException e) {
-                    e.printStackTrace();
-                    showBackgroundSaveError();
-                  } catch (FileNotFoundException e) {
-                    e.printStackTrace();
-                    showBackgroundSaveError();
-                  }
-                }
-              };
-          thread.start();
-      }
-    }
-
-  }
-
-  private void showBackgroundSaveError() {
-    Toast.makeText(getActivity(), R.string.AppearancePreferencesFragment_background_save_error, Toast.LENGTH_LONG).show();
-  }
-
   public static CharSequence getSummary(Context context) {
     String[] languageEntries     = context.getResources().getStringArray(R.array.language_entries);
     String[] languageEntryValues = context.getResources().getStringArray(R.array.language_values);
@@ -147,11 +69,8 @@ public class AppearancePreferenceFragment extends ListSummaryPreferenceFragment
   private class BackgroundClickListener implements Preference.OnPreferenceClickListener {
     @Override
     public boolean onPreferenceClick(Preference preference) {
-      Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-      intent.addCategory(Intent.CATEGORY_OPENABLE);
-      intent.setType("image/*");
-      getActivity().startActivityForResult(intent, ApplicationPreferencesActivity.REQUEST_CODE_SET_BACKGROUND);
-
+      Intent intent = new Intent(getContext(), ChatBackgroundActivity.class);
+      getActivity().startActivity(intent);
       return true;
     }
   }

src/org/thoughtcrime/securesms/preferences/ChatBackgroundActivity.java

@@ -0,0 +1,191 @@
+package org.thoughtcrime.securesms.preferences;
+
+
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.Point;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.view.Display;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import com.bumptech.glide.load.engine.DiskCacheStrategy;
+
+import org.thoughtcrime.securesms.ApplicationPreferencesActivity;
+import org.thoughtcrime.securesms.BaseActionBarActivity;
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.mms.GlideApp;
+import org.thoughtcrime.securesms.util.ServiceUtil;
+import org.thoughtcrime.securesms.util.TextSecurePreferences;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.util.concurrent.ExecutionException;
+
+public class ChatBackgroundActivity extends BaseActionBarActivity {
+
+    Button galleryButton;
+    Button defaultButton;
+    MenuItem acceptMenuItem;
+    ImageView preview;
+
+    String tempDestinationPath;
+    Uri imageUri;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_select_chat_background);
+
+        defaultButton = findViewById(R.id.set_default_button);
+        galleryButton = findViewById(R.id.from_gallery_button);
+        preview = findViewById(R.id.preview);
+
+        defaultButton.setOnClickListener(new DefaultClickListener());
+        galleryButton.setOnClickListener(new GalleryClickListener());
+
+        String backgroundImagePath = TextSecurePreferences.getBackgroundImagePath(this);
+        setLayoutBackgroundImage(backgroundImagePath);
+
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setHomeAsUpIndicator(R.drawable.ic_close_white_24dp);
+        }
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        MenuInflater inflater = this.getMenuInflater();
+        menu.clear();
+        inflater.inflate(R.menu.group_create, menu);
+        acceptMenuItem = menu.findItem(R.id.menu_create_group);
+        acceptMenuItem.setEnabled(false);
+        super.onPrepareOptionsMenu(menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+
+        if (id == R.id.menu_create_group) {
+            // handle confirmation button click here
+            Context context = getApplicationContext();
+            if(imageUri != null){
+                Thread thread = new Thread(){
+                    @Override
+                    public void run() {
+                        String destination = context.getFilesDir().getAbsolutePath() + "/background";
+                        scaleAndSaveImage(context, destination);
+                        TextSecurePreferences.setBackgroundImagePath(context, destination);
+                    }
+                };
+                thread.start();
+            }
+            else {
+                TextSecurePreferences.setBackgroundImagePath(context, "");
+            }
+            finish();
+            return true;
+        } else if (id == android.R.id.home) {
+            // handle close button click here
+            finish();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void scaleAndSaveImage(Context context, String destinationPath) {
+        try{
+            Display display = ServiceUtil.getWindowManager(context).getDefaultDisplay();
+            Point size = new Point();
+            display.getSize(size);
+            Bitmap scaledBitmap = GlideApp.with(context)
+                    .asBitmap()
+                    .load(imageUri)
+                    .centerCrop()
+                    .skipMemoryCache(true)
+                    .diskCacheStrategy(DiskCacheStrategy.NONE)
+                    .submit(size.x, size.y)
+                    .get();
+            FileOutputStream outStream = new FileOutputStream(destinationPath);
+            scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 85, outStream);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+            showBackgroundSaveError();
+        } catch (ExecutionException e) {
+            e.printStackTrace();
+            showBackgroundSaveError();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+            showBackgroundSaveError();
+        }
+    }
+
+    private void setLayoutBackgroundImage(String backgroundImagePath) {
+        Drawable image = Drawable.createFromPath(backgroundImagePath);
+        preview.setImageDrawable(image);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        final Context context = getApplicationContext();
+        if (data != null && context != null && resultCode == RESULT_OK && requestCode == ApplicationPreferencesActivity.REQUEST_CODE_SET_BACKGROUND) {
+            imageUri = data.getData();
+            if (imageUri != null) {
+                acceptMenuItem.setEnabled(true);
+                Thread thread = new Thread(){
+                    @Override
+                    public void run() {
+                        tempDestinationPath = context.getFilesDir().getAbsolutePath() + "/background-temp";
+                        scaleAndSaveImage(context, tempDestinationPath);
+                        runOnUiThread(() -> {
+                            // Stuff that updates the UI
+                            setLayoutBackgroundImage(tempDestinationPath);
+                        });
+                    }
+                };
+                thread.start();
+            }
+        }
+    }
+
+    private void showBackgroundSaveError() {
+        Toast.makeText(this, R.string.AppearancePreferencesFragment_background_save_error, Toast.LENGTH_LONG).show();
+    }
+
+    private void enableMenuItem() {
+        acceptMenuItem.setEnabled(true);
+    }
+    private class DefaultClickListener implements View.OnClickListener {
+        @Override
+        public void onClick(View view) {
+            imageUri = null;
+            tempDestinationPath = "";
+            setLayoutBackgroundImage("");
+            enableMenuItem();
+        }
+
+    }
+
+    private class GalleryClickListener implements View.OnClickListener {
+        @Override
+        public void onClick(View view) {
+          Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
+          intent.addCategory(Intent.CATEGORY_OPENABLE);
+          intent.setType("image/*");
+          startActivityForResult(intent, ApplicationPreferencesActivity.REQUEST_CODE_SET_BACKGROUND);
+        }
+    }
+}

src/org/thoughtcrime/securesms/qr/QrScanHandler.java

@@ -0,0 +1,221 @@
+package org.thoughtcrime.securesms.qr;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.StringRes;
+import android.text.Html;
+import android.widget.Toast;
+
+import com.b44t.messenger.DcContext;
+import com.b44t.messenger.DcEventCenter;
+import com.b44t.messenger.DcLot;
+import com.google.zxing.integration.android.IntentResult;
+
+import org.thoughtcrime.securesms.ConversationActivity;
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.connect.ApplicationDcContext;
+import org.thoughtcrime.securesms.connect.DcHelper;
+import org.thoughtcrime.securesms.database.Address;
+import org.thoughtcrime.securesms.util.IntentUtils;
+import org.thoughtcrime.securesms.util.Util;
+
+public class QrScanHandler implements DcEventCenter.DcEventDelegate {
+
+    private Activity activity;
+    ProgressDialog progressDialog;
+
+    private ApplicationDcContext dcContext;
+
+    public QrScanHandler(Activity activity) {
+        this.activity = activity;
+        dcContext = DcHelper.getContext(activity);
+    }
+
+    public void onScanPerformed(IntentResult scanResult) {
+        if (scanResult == null || scanResult.getFormatName() == null) {
+            return; // Should not happen!
+        }
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+        final String qrRawString = scanResult.getContents();
+        final DcLot qrParsed = dcContext.checkQr(qrRawString);
+        String nameAndAddress = dcContext.getContact(qrParsed.getId()).getNameNAddr();
+        switch (qrParsed.getState()) {
+            case DcContext.DC_QR_ASK_VERIFYCONTACT:
+            case DcContext.DC_QR_ASK_VERIFYGROUP:
+                showVerifyContactOrGroup(activity, builder, qrRawString, qrParsed, nameAndAddress);
+                break;
+
+            case DcContext.DC_QR_FPR_WITHOUT_ADDR:
+                showVerifyFingerprintWithoutAddress(builder, qrParsed);
+                break;
+
+            case DcContext.DC_QR_FPR_MISMATCH:
+                showFingerPrintError(builder, nameAndAddress);
+                break;
+
+            case DcContext.DC_QR_FPR_OK:
+            case DcContext.DC_QR_ADDR:
+                showFingerprintOrQrSuccess(builder, qrParsed, nameAndAddress);
+                break;
+
+            case DcContext.DC_QR_URL:
+                showQrUrl(builder, qrParsed);
+                break;
+
+            default:
+                handleDefault(builder, qrRawString, qrParsed);
+                break;
+        }
+        builder.create().show();
+    }
+
+    private void handleDefault(AlertDialog.Builder builder, String qrRawString, DcLot qrParsed) {
+        String msg;
+        final String scannedText;
+        switch (qrParsed.getState()) {
+            case DcContext.DC_QR_ERROR:
+                scannedText = qrRawString;
+                msg = qrParsed.getText1() + "<br><br><c#808080>" + String.format(activity.getString(R.string.qr_scan_handler_Scan_contains_text), scannedText) + "</c>";
+                break;
+            case DcContext.DC_QR_TEXT:
+                scannedText = qrParsed.getText1();
+                msg = String.format(activity.getString(R.string.qr_scan_handler_Scan_contains_text), scannedText);
+                break;
+            default:
+                scannedText = qrRawString;
+                msg = String.format(activity.getString(R.string.qr_scan_handler_Scan_contains_text), scannedText);
+                break;
+        }
+        builder.setMessage(Html.fromHtml(msg));
+        builder.setPositiveButton(android.R.string.ok, null);
+        builder.setNeutralButton(R.string.copy_to_clipboard, (dialog, which) -> {
+            Util.writeTextToClipboard(activity, scannedText);
+            showDoneToast(activity);
+        });
+    }
+
+    private void showQrUrl(AlertDialog.Builder builder, DcLot qrParsed) {
+        final String url = qrParsed.getText1();
+        String msg = String.format(activity.getString(R.string.qr_scan_handler_qr_scan_contains_url), url);
+        builder.setMessage(msg);
+        builder.setPositiveButton(R.string.open, (dialog, which) -> IntentUtils.showBrowserIntent(activity, url));
+        builder.setNegativeButton(android.R.string.cancel, null);
+        builder.setNeutralButton(R.string.copy_to_clipboard, (dialog, which) -> {
+            Util.writeTextToClipboard(activity, url);
+            showDoneToast(activity);
+        });
+    }
+
+    private void showDoneToast(Activity activity) {
+        Toast.makeText(activity, activity.getString(R.string.done), Toast.LENGTH_SHORT).show();
+    }
+
+    private void showFingerprintOrQrSuccess(AlertDialog.Builder builder, DcLot qrParsed, String nameAndAddress) {
+        @StringRes int resId = qrParsed.getState() == DcContext.DC_QR_ADDR ? R.string.qr_scan_handler_ask_start_chat_with : R.string.qr_scan_handler_fingerprint_ok;
+        builder.setMessage(Html.fromHtml(String.format(activity.getString(resId, nameAndAddress))));
+        builder.setPositiveButton(android.R.string.ok, (dialogInterface, i) -> {
+            Bundle bundle = new Bundle();
+            bundle.putInt(ConversationActivity.THREAD_ID_EXTRA, dcContext.createChatByContactId(qrParsed.getId()));
+            Intent intent = new Intent(activity, ConversationActivity.class);
+            //TODO how to we get the contact ID here? We need it to avoid crashing when starting the ConversationActivity
+            activity.startActivity(intent, bundle);
+        });
+        builder.setNegativeButton(android.R.string.cancel, null);
+    }
+
+    private void showFingerPrintError(AlertDialog.Builder builder, String nameAndAddress) {
+        builder.setMessage(Html.fromHtml(String.format(activity.getString(R.string.qr_scan_handler_fingerprint_mismatch), nameAndAddress)));
+        builder.setPositiveButton(android.R.string.ok, null);
+    }
+
+    private void showVerifyFingerprintWithoutAddress(AlertDialog.Builder builder, DcLot qrParsed) {
+        builder.setMessage(Html.fromHtml(activity.getString(R.string.qr_scan_handler_fingerprint_without_address) + "<br><br><c#808080>" + activity.getString(R.string.qr_scan_handler_fingerprint) + ":<br>" + qrParsed.getText1() + "</c>"));
+        builder.setPositiveButton(android.R.string.ok, null);
+        builder.setNeutralButton(R.string.copy_to_clipboard, (dialog, which) -> {
+            Util.writeTextToClipboard(activity, qrParsed.getText1());
+            showDoneToast(activity);
+        });
+    }
+
+    private void showVerifyContactOrGroup(Activity activity, AlertDialog.Builder builder, String qrRawString, DcLot qrParsed, String nameNAddr) {
+        if (progressDialog != null) {
+            progressDialog.dismiss();
+            progressDialog = null;
+        }
+
+        String msg;
+        switch (qrParsed.getState()) {
+            case DcContext.DC_QR_ASK_VERIFYGROUP:
+                msg = String.format(activity.getString(R.string.qr_scan_handler_join_verified_group), qrParsed.getText1());
+                break;
+            default:
+                msg = String.format(activity.getString(R.string.qr_scan_handler_fingerprint_ask_oob), nameNAddr);
+                break;
+        }
+        builder.setMessage(Html.fromHtml(msg));
+        builder.setPositiveButton(android.R.string.ok, (dialogInterface, i) -> {
+            progressDialog = new ProgressDialog(activity);
+            progressDialog.setMessage(activity.getString(R.string.one_moment));
+            progressDialog.setCanceledOnTouchOutside(false);
+            progressDialog.setCancelable(false);
+            progressDialog.setButton(DialogInterface.BUTTON_NEGATIVE, activity.getString(android.R.string.cancel), (dialog, which) -> dcContext.stopOngoingProcess());
+            progressDialog.show();
+
+            dcContext.captureNextError();
+
+            new Thread(() -> {
+
+                    dcContext.eventCenter.addObserver(this, DcContext.DC_EVENT_SECUREJOIN_JOINER_PROGRESS);
+                    int newChatId = dcContext.joinSecurejoin(qrRawString); // joinSecurejoin() runs until all needed messages are sent+received!
+                    dcContext.eventCenter.removeObservers(this);
+
+                    Util.runOnMain(() -> {
+                        if (progressDialog != null) {
+                            progressDialog.dismiss();
+                            progressDialog = null;
+                        }
+
+                        String errorString = dcContext.getCapturedError();
+                        dcContext.endCaptureNextError();
+                        if (newChatId != 0) {
+                            Intent intent = new Intent(activity, ConversationActivity.class);
+                            intent.putExtra(ConversationActivity.ADDRESS_EXTRA, Address.fromChat(newChatId));
+                            intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, (long)newChatId);
+                            activity.startActivity(intent);
+                        } else if (!errorString.isEmpty()) {
+                            AlertDialog.Builder builder1 = new AlertDialog.Builder(activity);
+                            builder1.setMessage(errorString);
+                            builder1.setPositiveButton(android.R.string.ok, null);
+                            builder1.create().show();
+                        }
+                    });
+                }
+            ).start();
+
+
+        });
+        builder.setNegativeButton(android.R.string.cancel, null);
+    }
+
+    @Override
+    public void handleEvent(int eventId, Object data1, Object data2) {
+        if (eventId == DcContext.DC_EVENT_SECUREJOIN_JOINER_PROGRESS) {
+            long contact_id = (Long)data1;
+            long progress = (Long)data2;
+            String msg = null;
+            if( progress == 400) {
+                msg = activity.getString(R.string.qr_scan_handler_verfied_introduce_myself, dcContext.getContact((int)contact_id).getNameNAddr());
+            }
+
+            if( progressDialog != null && msg != null ) {
+                progressDialog.setMessage(msg);
+            }
+
+        }
+    }
+}

src/org/thoughtcrime/securesms/util/IntentUtils.java

@@ -4,6 +4,7 @@ package org.thoughtcrime.securesms.util;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
+import android.net.Uri;
 import android.support.annotation.NonNull;
 
 import java.util.List;
@@ -15,4 +16,9 @@ public class IntentUtils {
     return resolveInfoList != null && resolveInfoList.size() > 1;
   }
 
+  public static void showBrowserIntent(Context context, String url) {
+    Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+    context.startActivity(browserIntent);
+  }
+
 }

src/org/thoughtcrime/securesms/util/MediaUtil.java

@@ -13,6 +13,7 @@ import android.util.Log;
 import android.util.Pair;
 import android.webkit.MimeTypeMap;
 
+import com.b44t.messenger.DcMsg;
 import com.bumptech.glide.load.engine.DiskCacheStrategy;
 import com.bumptech.glide.load.resource.gif.GifDrawable;
 
@@ -47,6 +48,25 @@ public class MediaUtil {
   public static final String VCARD             = "text/x-vcard";
 
 
+  public static Slide getSlideForMsg(Context context, DcMsg dcMsg) {
+    Slide slide = null;
+    if (isGif(dcMsg.getFilemime())) {
+      slide = new GifSlide(context, dcMsg);
+    } else if (isImageType(dcMsg.getFilemime())) {
+      slide = new ImageSlide(context, dcMsg);
+    } else if (isVideoType(dcMsg.getFilemime())) {
+      slide = new VideoSlide(context, dcMsg);
+    } else if (isAudioType(dcMsg.getFilemime())) {
+      slide = new AudioSlide(context, dcMsg);
+    } else if (isMms(dcMsg.getFilemime())) {
+      slide = new MmsSlide(context, dcMsg);
+    } else if (dcMsg.getFilemime() != null) {
+      slide = new DocumentSlide(context, dcMsg);
+    }
+
+    return slide;
+  }
+
   public static Slide getSlideForAttachment(Context context, Attachment attachment) {
     Slide slide = null;
     if (isGif(attachment.getContentType())) {

src/org/thoughtcrime/securesms/util/SelectedRecipientsAdapter.java

@@ -127,7 +127,7 @@ public class SelectedRecipientsAdapter extends BaseAdapter {
   private static List<RecipientWrapper> wrapExistingMembers(Collection<Recipient> recipients) {
     final LinkedList<RecipientWrapper> wrapperList = new LinkedList<>();
     for (Recipient recipient : recipients) {
-      wrapperList.add(new RecipientWrapper(recipient, false, true));
+      wrapperList.add(new RecipientWrapper(recipient, true, true));
     }
     return wrapperList;
   }

tools/update-core.sh

@@ -35,9 +35,7 @@ rm -r jni/messenger-backend/.??*
 cd ..
 ln --symbolic `pwd`/deltachat-core/src     deltachat-android-ii/jni/messenger-backend/src
 ln --symbolic `pwd`/deltachat-core/libs    deltachat-android-ii/jni/messenger-backend/libs
-ln --symbolic `pwd`/deltachat-core/cmdline deltachat-android-ii/jni/messenger-backend/cmdline
 cd deltachat-android-ii
-ndk-build
 
 # back to tools directory
 cd tools