docs: update README support screenshot

Added support for Android TV

Added support for Always-On VPN in settings

Fixes bug where handshake notification is not dismissed after successful handshake

Closes #2,  Closes #5

README.md

@@ -5,7 +5,7 @@ WG Tunnel
 <span align="center">
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![Discord Chat](https://img.shields.io/discord/1108285024631001111.svg)](https://discord.gg/Ad5fuEts)
+[![Discord Chat](https://img.shields.io/discord/1108285024631001111.svg)](https://discord.gg/rbRRNh6H7V)
 
 </span>
 
@@ -27,10 +27,10 @@ This is an alternative Android Application for [WireGuard](https://www.wireguard
 ## Screenshots
 
 <p float="center">
-  <img label="Main" style="padding-right:25px" src="./asset/main_screen.png" width="200" />
+  <img label="Main" style="padding-right:25px" src="asset/main_screen.png" width="200" />
   <img label="Config" style="padding-left:25px" src="./asset/config_screen.png" width="200" />
-  <img label="Settings" style="padding-left:25px" src="./asset/settings_screen.png" width="200" />
+  <img label="Settings" style="padding-left:25px" src="asset/settings_screen.png" width="200" />
-  <img label="Support" style="padding-left:25px" src="./asset/support_screen.png" width="200" />
+  <img label="Support" style="padding-left:25px" src="asset/support_screen.png" width="200" />
 </p>
 
 <span align="left">
@@ -44,6 +44,7 @@ The inspiration for this app came from the inconvenience of constantly having to
 * Add tunnels via .conf file
 * Auto connect to VPN based on Wi-Fi SSID
 * Split tunneling by application
+* Always-on VPN for Android support
 * Configurable Trusted Network list 
 * Optional auto connect on mobile data
 * Automatic service restart after reboot
@@ -58,4 +59,4 @@ $ cd wgtunnel
 $ ./gradlew assembleRelease
 ```
 
-</span>
+</span>

app/build.gradle.kts

@@ -5,25 +5,25 @@ plugins {
     id("org.jetbrains.kotlin.android")
     kotlin("kapt")
     id("com.google.dagger.hilt.android")
-    id("io.objectbox")
     id("com.google.gms.google-services")
     id("com.google.firebase.crashlytics")
     id("org.jetbrains.kotlin.plugin.serialization")
+    id("io.objectbox")
 }
 
 android {
     namespace = "com.zaneschepke.wireguardautotunnel"
-    compileSdk = 33
+    compileSdk = 34
 
     val versionMajor = 2
-    val versionMinor = 0
+    val versionMinor = 2
-    val versionPatch = 3
+    val versionPatch = 0
     val versionBuild = 0
 
     defaultConfig {
         applicationId = "com.zaneschepke.wireguardautotunnel"
         minSdk = 29
-        targetSdk = 33
+        targetSdk = 34
         versionCode = versionMajor * 10000 + versionMinor * 1000 + versionPatch * 100 + versionBuild
         versionName = "${versionMajor}.${versionMinor}.${versionPatch}"
 
@@ -54,7 +54,7 @@ android {
         compose = true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.4.7"
+        kotlinCompilerExtensionVersion = "1.4.8"
     }
     packaging {
         resources {
@@ -83,7 +83,7 @@ dependencies {
     debugImplementation("androidx.compose.ui:ui-test-manifest")
 
     //wireguard tunnel
-    implementation("com.wireguard.android:tunnel:1.0.20230405")
+    implementation("com.wireguard.android:tunnel:1.0.20230427")
 
     //logging
     implementation("com.jakewharton.timber:timber:5.0.1")
@@ -127,6 +127,7 @@ dependencies {
 
 
 }
+
 kapt {
     correctErrorTypes = true
 }

app/objectbox-models/default.json

@@ -31,7 +31,7 @@
     },
     {
       "id": "2:8887605597748372702",
-      "lastPropertyId": "8:4981008812459251156",
+      "lastPropertyId": "9:4468844863383145378",
       "name": "Settings",
       "properties": [
         {
@@ -59,6 +59,11 @@
           "id": "6:3370284381040192129",
           "name": "defaultTunnel",
           "type": 9
+        },
+        {
+          "id": "9:4468844863383145378",
+          "name": "isAlwaysOnVpnEnabled",
+          "type": 1
         }
       ],
       "relations": []

app/objectbox-models/default.json.bak

@@ -59,11 +59,6 @@
           "id": "6:3370284381040192129",
           "name": "defaultTunnel",
           "type": 9
-        },
-        {
-          "id": "8:4981008812459251156",
-          "name": "showProminentDisclosure",
-          "type": 1
         }
       ],
       "relations": []
@@ -91,7 +86,8 @@
     7555225587864607050,
     969146862000617878,
     5057486545428188436,
-    2814640993034665120
+    2814640993034665120,
+    4981008812459251156
   ],
   "retiredRelationUids": [],
   "version": 1

app/src/main/AndroidManifest.xml

@@ -1,22 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
-
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
         android:maxSdkVersion="32" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"
-        android:maxSdkVersion="30" />
+        android:maxSdkVersion="30"
+        tools:ignore="LeanbackUsesWifi" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING"/>
     <!--foreground service permissions-->
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <!--start service on boot permission-->
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <!--android tv support-->
+    <uses-feature android:name="android.software.leanback"
+        android:required="false" />
+    <uses-feature android:name="android.hardware.touchscreen"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.location.gps"
+        android:required="false" />
     <queries>
         <intent>
             <action android:name="android.intent.action.MAIN" />
@@ -28,6 +39,7 @@
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
+        android:banner="@mipmap/ic_launcher_foreground"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
@@ -39,34 +51,48 @@
             android:theme="@style/Theme.WireguardAutoTunnel">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>
         </activity>
         <service
             android:name=".service.foreground.ForegroundService"
             android:enabled="true"
+            android:foregroundServiceType="remoteMessaging"
             android:exported="false">
         </service>
         <service
             android:name=".service.foreground.WireGuardTunnelService"
+            android:permission="android.permission.BIND_VPN_SERVICE"
             android:enabled="true"
+            android:foregroundServiceType="remoteMessaging"
             android:exported="false">
+            <intent-filter>
+                <action android:name="android.net.VpnService"/>
+            </intent-filter>
+            <meta-data android:name="android.net.VpnService.SUPPORTS_ALWAYS_ON"
+                android:value="true"/>
         </service>
         <service
             android:name=".service.foreground.WireGuardConnectivityWatcherService"
             android:enabled="true"
             android:stopWithTask="false"
+            android:foregroundServiceType="location"
+            android:permission=""
             android:exported="false">
         </service>
-        <receiver android:enabled="true" android:name=".BootReceiver"
+        <receiver android:enabled="true" android:name=".receiver.BootReceiver"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED"/>
             </intent-filter>
         </receiver>
+        <receiver android:exported="false" android:name=".receiver.NotificationActionReceiver"/>
         <meta-data
             android:name="com.google.mlkit.vision.DEPENDENCIES"
             android:value="barcode_ui"/>
+        <meta-data
+            android:name="firebase_crashlytics_collection_enabled"
+            android:value="true" />
     </application>
 </manifest>

app/src/main/java/com/zaneschepke/wireguardautotunnel/WireGuardAutoTunnel.kt

@@ -1,6 +1,7 @@
 package com.zaneschepke.wireguardautotunnel
 
 import android.app.Application
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.zaneschepke.wireguardautotunnel.repository.Repository
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import dagger.hilt.android.HiltAndroidApp
@@ -15,7 +16,10 @@ class WireGuardAutoTunnel : Application() {
 
     override fun onCreate() {
         super.onCreate()
-        if(BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
+        if(BuildConfig.DEBUG) {
+            FirebaseCrashlytics.getInstance().setCrashlyticsCollectionEnabled(false);
+            Timber.plant(Timber.DebugTree())
+        }
         settingsRepo.init()
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/module/ScannerModule.kt

@@ -7,7 +7,6 @@ import com.google.mlkit.vision.codescanner.GmsBarcodeScannerOptions
 import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
 import com.zaneschepke.wireguardautotunnel.service.barcode.CodeScanner
 import com.zaneschepke.wireguardautotunnel.service.barcode.QRScanner
-import dagger.Binds
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn

app/src/main/java/com/zaneschepke/wireguardautotunnel/receiver/BootReceiver.kt

@@ -1,8 +1,9 @@
-package com.zaneschepke.wireguardautotunnel
+package com.zaneschepke.wireguardautotunnel.receiver
 
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.repository.Repository
 import com.zaneschepke.wireguardautotunnel.service.foreground.Action
 import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceTracker
@@ -11,7 +12,6 @@ import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
@@ -23,21 +23,19 @@ class BootReceiver : BroadcastReceiver() {
     @Inject
     lateinit var settingsRepo : Repository<Settings>
 
-    @OptIn(DelicateCoroutinesApi::class)
     override fun onReceive(context: Context, intent: Intent) {
         if (intent.action == Intent.ACTION_BOOT_COMPLETED) {
             CoroutineScope(SupervisorJob()).launch {
                 try {
                     val settings = settingsRepo.getAll()
                     if (!settings.isNullOrEmpty()) {
-                        val setting = settings[0]
+                        val setting = settings.first()
                         if (setting.isAutoTunnelEnabled && setting.defaultTunnel != null) {
-                            val defaultTunnel = TunnelConfig.from(setting.defaultTunnel!!)
                             ServiceTracker.actionOnService(
                                 Action.START, context,
                                 WireGuardConnectivityWatcherService::class.java,
                                 mapOf(context.resources.getString(R.string.tunnel_extras_key) to
-                                defaultTunnel.toString())
+                                setting.defaultTunnel!!)
                             )
                         }
                     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/receiver/NotificationActionReceiver.kt

@@ -0,0 +1,56 @@
+package com.zaneschepke.wireguardautotunnel.receiver
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.repository.Repository
+import com.zaneschepke.wireguardautotunnel.service.foreground.Action
+import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceTracker
+import com.zaneschepke.wireguardautotunnel.service.foreground.WireGuardTunnelService
+import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class NotificationActionReceiver : BroadcastReceiver() {
+
+    @Inject
+    lateinit var settingsRepo : Repository<Settings>
+    override fun onReceive(context: Context, intent: Intent?) {
+        CoroutineScope(SupervisorJob()).launch {
+            try {
+                val settings = settingsRepo.getAll()
+                if (!settings.isNullOrEmpty()) {
+                    val setting = settings.first()
+                    if (setting.defaultTunnel != null) {
+                        ServiceTracker.actionOnService(
+                            Action.STOP, context,
+                            WireGuardTunnelService::class.java,
+                            mapOf(
+                                context.resources.getString(R.string.tunnel_extras_key) to
+                                        setting.defaultTunnel!!
+                            )
+                        )
+                        delay(1000)
+                        ServiceTracker.actionOnService(
+                            Action.START, context,
+                            WireGuardTunnelService::class.java,
+                            mapOf(
+                                context.resources.getString(R.string.tunnel_extras_key) to
+                                        setting.defaultTunnel!!
+                            )
+                        )
+                    }
+                }
+            } finally {
+                cancel()
+            }
+        }
+    }
+}

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/barcode/QRScanner.kt

@@ -13,6 +13,7 @@ class QRScanner @Inject constructor(private val gmsBarcodeScanner: GmsBarcodeSca
             gmsBarcodeScanner.startScan().addOnSuccessListener {
                 trySend(it.rawValue)
             }.addOnFailureListener {
+                trySend(it.message)
                 Timber.e(it.message)
             }
             awaitClose {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/ForegroundService.kt

@@ -4,7 +4,10 @@ import android.app.Service
 import android.content.Intent
 import android.os.Bundle
 import android.os.IBinder
+import com.zaneschepke.wireguardautotunnel.repository.Repository
+import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import timber.log.Timber
+import javax.inject.Inject
 
 
 open class ForegroundService : Service() {
@@ -24,6 +27,10 @@ open class ForegroundService : Service() {
             when (action) {
                 Action.START.name -> startService(intent.extras)
                 Action.STOP.name -> stopService(intent.extras)
+                "android.net.VpnService" -> {
+                    Timber.d("Always-on VPN starting service")
+                    startService(intent.extras)
+                }
                 else -> Timber.d("This should never happen. No action in the received intent")
             }
         } else {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/WireGuardConnectivityWatcherService.kt

@@ -20,7 +20,6 @@ import com.zaneschepke.wireguardautotunnel.service.tunnel.VpnService
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
@@ -123,7 +122,6 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
         }
     }
 
-    @OptIn(DelicateCoroutinesApi::class)
     private fun startWatcherJob() {
         watcherJob = CoroutineScope(SupervisorJob()).launch {
             val settings = settingsRepo.getAll();
@@ -151,13 +149,17 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
                 is NetworkStatus.CapabilitiesChanged -> {
                     isMobileDataConnected = true
                     Timber.d("Mobile data capabilities changed")
-                    if(!isWifiConnected && setting.isTunnelOnMobileDataEnabled
+                    if(!disconnecting && !connecting) {
-                        && vpnService.getState() == Tunnel.State.DOWN)
+                        if(!isWifiConnected && setting.isTunnelOnMobileDataEnabled
-                        startVPN()
+                            && vpnService.getState() == Tunnel.State.DOWN)
+                            startVPN()
+                    }
                 }
                 is NetworkStatus.Unavailable -> {
                     isMobileDataConnected = false
-                    if(!isWifiConnected && vpnService.getState() == Tunnel.State.UP) stopVPN()
+                    if(!disconnecting && !connecting) {
+                        if(!isWifiConnected && vpnService.getState() == Tunnel.State.UP) stopVPN()
+                    }
                     Timber.d("Lost mobile data connection")
                 }
             }
@@ -178,7 +180,7 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
                             Timber.d("Not connect and not disconnecting")
                             val ssid = wifiService.getNetworkName(it.networkCapabilities);
                             Timber.d("SSID: $ssid")
-                            if ((setting.trustedNetworkSSIDs?.contains(ssid) == false) && vpnService.getState() == Tunnel.State.DOWN) {
+                            if (!setting.trustedNetworkSSIDs.contains(ssid) && vpnService.getState() == Tunnel.State.DOWN) {
                                 Timber.d("Starting VPN Tunnel for untrusted network: $ssid")
                                 startVPN()
                             } else if (!disconnecting && vpnService.getState() == Tunnel.State.UP && setting.trustedNetworkSSIDs.contains(

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/WireGuardTunnelService.kt

@@ -1,10 +1,15 @@
 package com.zaneschepke.wireguardautotunnel.service.foreground
 
+import android.app.PendingIntent
+import android.content.Intent
 import android.os.Bundle
-import com.wireguard.android.backend.Tunnel
 import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.receiver.NotificationActionReceiver
+import com.zaneschepke.wireguardautotunnel.repository.Repository
 import com.zaneschepke.wireguardautotunnel.service.notification.NotificationService
+import com.zaneschepke.wireguardautotunnel.service.tunnel.HandshakeStatus
 import com.zaneschepke.wireguardautotunnel.service.tunnel.VpnService
+import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.CoroutineScope
@@ -23,11 +28,16 @@ class WireGuardTunnelService : ForegroundService() {
     @Inject
     lateinit var vpnService : VpnService
 
+    @Inject
+    lateinit var settingsRepo: Repository<Settings>
+
     @Inject
     lateinit var notificationService : NotificationService
 
     private lateinit var job : Job
 
+    private var tunnelName : String = ""
+
     override fun startService(extras : Bundle?) {
         super.startService(extras)
         val tunnelConfigString = extras?.getString(getString(R.string.tunnel_extras_key))
@@ -36,16 +46,53 @@ class WireGuardTunnelService : ForegroundService() {
             if(tunnelConfigString != null) {
                 try {
                     val tunnelConfig = TunnelConfig.from(tunnelConfigString)
-                    val state = vpnService.startTunnel(tunnelConfig)
+                    tunnelName = tunnelConfig.name
-                    if (state == Tunnel.State.UP) {
+                    vpnService.startTunnel(tunnelConfig)
-                        launchVpnConnectedNotification(tunnelConfig.name)
-                    }
                 } catch (e : Exception) {
                     Timber.e("Problem starting tunnel: ${e.message}")
                     stopService(extras)
                 }
             } else {
-                Timber.e("Tunnel config null")
+                Timber.d("Tunnel config null, starting default tunnel")
+                val settings = settingsRepo.getAll();
+                if(!settings.isNullOrEmpty()) {
+                    val setting = settings[0]
+                    if(setting.defaultTunnel != null && setting.isAlwaysOnVpnEnabled) {
+                        val tunnelConfig = TunnelConfig.from(setting.defaultTunnel!!)
+                        tunnelName = tunnelConfig.name
+                        vpnService.startTunnel(tunnelConfig)
+                    }
+                }
+            }
+        }
+        CoroutineScope(job).launch {
+            var didShowConnected = false
+            var didShowFailedHandshakeNotification = false
+            vpnService.handshakeStatus.collect {
+                when(it) {
+                    HandshakeStatus.NOT_STARTED -> {
+                    }
+                    HandshakeStatus.NEVER_CONNECTED -> {
+                        if(!didShowFailedHandshakeNotification) {
+                            launchVpnConnectionFailedNotification(getString(R.string.initial_connection_failure_message))
+                            didShowFailedHandshakeNotification = true
+                            didShowConnected = false
+                        }
+                    }
+                    HandshakeStatus.HEALTHY -> {
+                        if(!didShowConnected) {
+                            launchVpnConnectedNotification()
+                            didShowConnected = true
+                        }
+                    }
+                    HandshakeStatus.UNHEALTHY -> {
+                        if(!didShowFailedHandshakeNotification) {
+                            launchVpnConnectionFailedNotification(getString(R.string.lost_connection_failure_message))
+                            didShowFailedHandshakeNotification = true
+                            didShowConnected = false
+                        }
+                    }
+                }
             }
         }
     }
@@ -59,7 +106,7 @@ class WireGuardTunnelService : ForegroundService() {
         stopSelf()
     }
 
-    private fun launchVpnConnectedNotification(tunnelName : String) {
+    private fun launchVpnConnectedNotification() {
         val notification = notificationService.createNotification(
             channelId = getString(R.string.vpn_channel_id),
             channelName = getString(R.string.vpn_channel_name),
@@ -70,6 +117,22 @@ class WireGuardTunnelService : ForegroundService() {
         )
         super.startForeground(foregroundId, notification)
     }
+
+    private fun launchVpnConnectionFailedNotification(message : String) {
+        val notification = notificationService.createNotification(
+            channelId = getString(R.string.vpn_channel_id),
+            channelName = getString(R.string.vpn_channel_name),
+            action = PendingIntent.getBroadcast(this,0,Intent(this, NotificationActionReceiver::class.java),PendingIntent.FLAG_IMMUTABLE),
+            actionText = getString(R.string.restart),
+            title = getString(R.string.vpn_connection_failed),
+            onGoing = false,
+            showTimestamp = true,
+            description = message
+        )
+        super.startForeground(foregroundId, notification)
+    }
+
+
     private fun cancelJob() {
         if(this::job.isInitialized) {
             job.cancel()

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/network/BaseNetworkService.kt

@@ -1,6 +1,5 @@
 package com.zaneschepke.wireguardautotunnel.service.network
 
-import android.app.Service
 import android.content.Context
 import android.net.ConnectivityManager
 import android.net.Network
@@ -10,12 +9,10 @@ import android.net.wifi.SupplicantState
 import android.net.wifi.WifiInfo
 import android.net.wifi.WifiManager
 import android.os.Build
-import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.map
-import javax.inject.Inject
 
 
 abstract class BaseNetworkService<T : BaseNetworkService<T>>(val context: Context, networkCapability : Int) : NetworkService<T> {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/notification/NotificationService.kt

@@ -2,12 +2,15 @@ package com.zaneschepke.wireguardautotunnel.service.notification
 
 import android.app.Notification
 import android.app.NotificationManager
+import android.app.PendingIntent
 
 interface NotificationService {
     fun createNotification(
         channelId: String,
         channelName: String,
         title: String = "",
+        action: PendingIntent? = null,
+        actionText: String? = null,
         description: String,
         showTimestamp : Boolean = false,
         importance: Int = NotificationManager.IMPORTANCE_HIGH,

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/notification/WireGuardNotification.kt

@@ -20,13 +20,15 @@ class WireGuardNotification @Inject constructor(@ApplicationContext private val
         channelId: String,
         channelName: String,
         title: String,
+        action: PendingIntent?,
+        actionText: String?,
         description: String,
         showTimestamp: Boolean,
         importance: Int,
         vibration: Boolean,
         onGoing: Boolean,
         lights: Boolean
-    ) : Notification {
+    ): Notification {
         val channel = NotificationChannel(
             channelId,
             channelName,
@@ -42,7 +44,12 @@ class WireGuardNotification @Inject constructor(@ApplicationContext private val
         notificationManager.createNotificationChannel(channel)
         val pendingIntent: PendingIntent =
             Intent(context, MainActivity::class.java).let { notificationIntent ->
-                PendingIntent.getActivity(context, 0, notificationIntent, PendingIntent.FLAG_IMMUTABLE)
+                PendingIntent.getActivity(
+                    context,
+                    0,
+                    notificationIntent,
+                    PendingIntent.FLAG_IMMUTABLE
+                )
             }
 
         val builder: Notification.Builder =
@@ -50,14 +57,21 @@ class WireGuardNotification @Inject constructor(@ApplicationContext private val
                 context,
                 channelId
             )
-
+        return builder.let {
-        return builder
+            if(action != null && actionText != null) {
-            .setContentTitle(title)
+                //TODO find a not deprecated way to do this
-            .setContentText(description)
+                it.addAction(
-            .setContentIntent(pendingIntent)
+                    Notification.Action.Builder(0, actionText, action)
-            .setOngoing(onGoing)
+                        .build())
-            .setShowWhen(showTimestamp)
+                    it.setAutoCancel(true)
-            .setSmallIcon(R.mipmap.ic_launcher_foreground)
+            }
-            .build()
+                it.setContentTitle(title)
+                .setContentText(description)
+                .setContentIntent(pendingIntent)
+                .setOngoing(onGoing)
+                .setShowWhen(showTimestamp)
+                .setSmallIcon(R.mipmap.ic_launcher_foreground)
+                .build()
+        }
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tunnel/HandshakeStatus.kt

@@ -0,0 +1,14 @@
+package com.zaneschepke.wireguardautotunnel.service.tunnel
+
+enum class HandshakeStatus {
+    HEALTHY,
+    UNHEALTHY,
+    NEVER_CONNECTED,
+    NOT_STARTED;
+
+    companion object {
+        private const val WG_TYPICAL_HANDSHAKE_INTERVAL_WHEN_HEALTHY_SEC = 120
+        const val UNHEALTHY_TIME_LIMIT_SEC = WG_TYPICAL_HANDSHAKE_INTERVAL_WHEN_HEALTHY_SEC + 60
+        const val NEVER_CONNECTED_TO_UNHEALTHY_TIME_LIMIT_SEC = 30
+    }
+}

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tunnel/VpnService.kt

@@ -1,6 +1,8 @@
 package com.zaneschepke.wireguardautotunnel.service.tunnel
 
+import com.wireguard.android.backend.Statistics
 import com.wireguard.android.backend.Tunnel
+import com.wireguard.crypto.Key
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
 import kotlinx.coroutines.flow.SharedFlow
 
@@ -9,5 +11,8 @@ interface VpnService : Tunnel {
     suspend fun stopTunnel()
     val state : SharedFlow<Tunnel.State>
     val tunnelName : SharedFlow<String>
+    val statistics : SharedFlow<Statistics>
+    val lastHandshake : SharedFlow<Map<Key,Long>>
+    val handshakeStatus : SharedFlow<HandshakeStatus>
     fun getState() : Tunnel.State
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tunnel/WireGuardTunnel.kt

@@ -2,27 +2,51 @@ package com.zaneschepke.wireguardautotunnel.service.tunnel
 
 import com.wireguard.android.backend.Backend
 import com.wireguard.android.backend.BackendException
+import com.wireguard.android.backend.Statistics
 import com.wireguard.android.backend.Tunnel
+import com.wireguard.crypto.Key
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
+import com.zaneschepke.wireguardautotunnel.util.NumberUtils
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
 
-class WireGuardTunnel @Inject constructor(private val backend : Backend) : VpnService {
+class WireGuardTunnel @Inject constructor(private val backend : Backend,
+) : VpnService {
 
     private val _tunnelName = MutableStateFlow("")
     override val tunnelName get() = _tunnelName.asStateFlow()
+
     private val _state = MutableSharedFlow<Tunnel.State>(
-        replay = 1,
+        replay = 1)
-        onBufferOverflow = BufferOverflow.SUSPEND,
+
-        extraBufferCapacity = 1)
+    private val _handshakeStatus = MutableSharedFlow<HandshakeStatus>(replay = 1,
+        onBufferOverflow = BufferOverflow.DROP_OLDEST)
     override val state get() = _state.asSharedFlow()
 
+    private val _statistics = MutableSharedFlow<Statistics>(replay = 1)
+    override val statistics get() = _statistics.asSharedFlow()
+
+    private val _lastHandshake = MutableSharedFlow<Map<Key, Long>>(replay = 1)
+    override val lastHandshake get() = _lastHandshake.asSharedFlow()
+
+    override val handshakeStatus: SharedFlow<HandshakeStatus>
+        get() = _handshakeStatus.asSharedFlow()
+
+    private lateinit var statsJob : Job
+
+
     override suspend fun startTunnel(tunnelConfig: TunnelConfig) : Tunnel.State{
         return try {
             if(getState() == Tunnel.State.UP && _tunnelName.value != tunnelConfig.name) {
@@ -60,6 +84,46 @@ class WireGuardTunnel @Inject constructor(private val backend : Backend) : VpnSe
     }
 
     override fun onStateChange(state : Tunnel.State) {
+        val tunnel = this;
         _state.tryEmit(state)
+        if(state == Tunnel.State.UP) {
+            statsJob = CoroutineScope(Dispatchers.IO).launch {
+                val handshakeMap = HashMap<Key, Long>()
+                var neverHadHandshakeCounter = 0
+                while (true) {
+                    val statistics = backend.getStatistics(tunnel)
+                    _statistics.emit(statistics)
+                    statistics.peers().forEach {
+                        val handshakeEpoch = statistics.peer(it)?.latestHandshakeEpochMillis ?: 0L
+                        handshakeMap[it] = handshakeEpoch
+                        if(handshakeEpoch == 0L) {
+                            if(neverHadHandshakeCounter >= HandshakeStatus.NEVER_CONNECTED_TO_UNHEALTHY_TIME_LIMIT_SEC) {
+                                _handshakeStatus.emit(HandshakeStatus.NEVER_CONNECTED)
+                            } else {
+                                _handshakeStatus.emit(HandshakeStatus.NOT_STARTED)
+                            }
+                            if(neverHadHandshakeCounter <= HandshakeStatus.NEVER_CONNECTED_TO_UNHEALTHY_TIME_LIMIT_SEC) {
+                                neverHadHandshakeCounter++
+                            }
+                            return@forEach
+                        }
+                        if(NumberUtils.getSecondsBetweenTimestampAndNow(handshakeEpoch) >= HandshakeStatus.UNHEALTHY_TIME_LIMIT_SEC) {
+                            _handshakeStatus.emit(HandshakeStatus.UNHEALTHY)
+                        } else {
+                            _handshakeStatus.emit(HandshakeStatus.HEALTHY)
+                        }
+                    }
+                    _lastHandshake.emit(handshakeMap)
+                    delay(1000)
+                }
+            }
+        }
+        if(state == Tunnel.State.DOWN) {
+            if(this::statsJob.isInitialized) {
+                statsJob.cancel()
+            }
+            _handshakeStatus.tryEmit(HandshakeStatus.NOT_STARTED)
+            _lastHandshake.tryEmit(emptyMap())
+        }
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tunnel/model/Settings.kt

@@ -10,5 +10,6 @@ data class Settings(
     var isAutoTunnelEnabled : Boolean = false,
     var isTunnelOnMobileDataEnabled : Boolean = false,
     var trustedNetworkSSIDs : MutableList<String> = mutableListOf(),
-    var defaultTunnel : String? = null
+    var defaultTunnel : String? = null,
+    var isAlwaysOnVpnEnabled : Boolean = false
 )

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/MainActivity.kt

@@ -14,7 +14,6 @@ import androidx.compose.animation.ExperimentalAnimationApi
 import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.slideInHorizontally
-import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
@@ -34,6 +33,7 @@ import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.ui.common.PermissionRequestFailedScreen
 import com.zaneschepke.wireguardautotunnel.ui.common.navigation.BottomNavBar
 import com.zaneschepke.wireguardautotunnel.ui.screens.config.ConfigScreen
+import com.zaneschepke.wireguardautotunnel.ui.screens.detail.DetailScreen
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.MainScreen
 import com.zaneschepke.wireguardautotunnel.ui.screens.settings.SettingsScreen
 import com.zaneschepke.wireguardautotunnel.ui.screens.support.SupportScreen
@@ -44,7 +44,7 @@ import dagger.hilt.android.AndroidEntryPoint
 @AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
 
-    @OptIn(ExperimentalAnimationApi::class, ExperimentalMaterial3Api::class,
+    @OptIn(ExperimentalAnimationApi::class,
         ExperimentalPermissionsApi::class
     )
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -164,6 +164,9 @@ class MainActivity : AppCompatActivity() {
                         composable("${Routes.Config.name}/{id}", enterTransition = {
                             fadeIn(animationSpec = tween(1000))
                         }) { ConfigScreen(padding = padding, navController = navController, id = it.arguments?.getString("id"))}
+                        composable("${Routes.Detail.name}/{id}", enterTransition = {
+                            fadeIn(animationSpec = tween(1000))
+                        }) { DetailScreen(padding = padding, id = it.arguments?.getString("id")) }
                     }
                 }
             }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/Routes.kt

@@ -10,7 +10,8 @@ enum class Routes {
     Main,
     Settings,
     Support,
-    Config;
+    Config,
+    Detail;
 
 
     companion object {

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/common/RowListItem.kt

@@ -7,20 +7,24 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.Icon
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.unit.dp
 
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
-fun RowListItem(text : String, onHold : () -> Unit, rowButton : @Composable() () -> Unit ) {
+fun RowListItem(leadingIcon : ImageVector? = null, leadingIconColor : Color = Color.Gray, text : String, onHold : () -> Unit, onClick: () -> Unit, rowButton : @Composable() () -> Unit ) {
     Box(
         modifier = Modifier
             .combinedClickable(
                 onClick = {
-
+                    onClick()
                 },
                 onLongClick = {
                     onHold()
@@ -34,7 +38,17 @@ fun RowListItem(text : String, onHold : () -> Unit, rowButton : @Composable() ()
             verticalAlignment = Alignment.CenterVertically,
             horizontalArrangement = Arrangement.SpaceBetween
         ) {
-            Text(text)
+            Row(verticalAlignment = Alignment.CenterVertically,) {
+                if(leadingIcon != null) {
+                    Icon(
+                        leadingIcon, "status",
+                        tint = leadingIconColor,
+                        modifier =  Modifier.padding(end = 10.dp).size(15.dp)
+                    )
+                }
+                Text(text)
+            }
+
             rowButton()
         }
     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/config/ConfigScreen.kt

@@ -3,10 +3,8 @@ package com.zaneschepke.wireguardautotunnel.ui.screens.config
 import android.widget.Toast
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
@@ -72,127 +70,162 @@ fun ConfigScreen(
     }
 
     if(tunnel != null) {
-        Column(
+        LazyColumn(
             horizontalAlignment = Alignment.Start,
             verticalArrangement = Arrangement.Top,
             modifier = Modifier
                 .fillMaxSize()
                 .padding(padding)
         ) {
-            Row(
+            item {
-                modifier = Modifier
+                Row(
-                    .fillMaxWidth()
+                    modifier = Modifier
-                    .padding(horizontal = 20.dp, vertical = 7.dp),
+                        .fillMaxWidth()
-                verticalAlignment = Alignment.CenterVertically,
+                        .padding(horizontal = 20.dp, vertical = 7.dp),
-                horizontalArrangement = Arrangement.SpaceBetween
-            ) {
-                OutlinedTextField(
-                    value = tunnelName.value,
-                    onValueChange = {
-                        viewModel.onTunnelNameChange(it)
-                    },
-                    label = { Text(stringResource(id = R.string.tunnel_name)) },
-                    maxLines = 1,
-                    keyboardOptions = KeyboardOptions(
-                        capitalization = KeyboardCapitalization.None,
-                        imeAction = ImeAction.Done
-                    ),
-                    keyboardActions = KeyboardActions(
-                        onDone = {
-                            focusManager.clearFocus()
-                            keyboardController?.hide()
-                            viewModel.onTunnelNameChange(tunnelName.value)
-                        }
-                    ),
-                )
-            }
-            Row(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(horizontal = 20.dp, vertical = 7.dp),
-                verticalAlignment = Alignment.CenterVertically,
-                horizontalArrangement = Arrangement.SpaceBetween
-            ) {
-                Text(stringResource(id = R.string.tunnel_all))
-                Switch(
-                    checked = allApplications,
-                    onCheckedChange = {
-                        viewModel.onAllApplicationsChange(!allApplications)
-                    }
-                )
-            }
-            if(!allApplications) {
-                Row(modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(horizontal = 20.dp, vertical = 7.dp),
                     verticalAlignment = Alignment.CenterVertically,
-                    horizontalArrangement = Arrangement.SpaceBetween) {
+                    horizontalArrangement = Arrangement.SpaceBetween
-                    Row(verticalAlignment = Alignment.CenterVertically,
+                ) {
-                        horizontalArrangement = Arrangement.SpaceBetween){
+                    OutlinedTextField(
-                        Text(stringResource(id = R.string.include))
+                        value = tunnelName.value,
-                        Checkbox(
+                        onValueChange = {
-                            checked = include,
+                            viewModel.onTunnelNameChange(it)
-                            onCheckedChange = {
+                        },
-                                viewModel.onIncludeChange(!include)
+                        label = { Text(stringResource(id = R.string.tunnel_name)) },
+                        maxLines = 1,
+                        keyboardOptions = KeyboardOptions(
+                            capitalization = KeyboardCapitalization.None,
+                            imeAction = ImeAction.Done
+                        ),
+                        keyboardActions = KeyboardActions(
+                            onDone = {
+                                focusManager.clearFocus()
+                                keyboardController?.hide()
+                                viewModel.onTunnelNameChange(tunnelName.value)
                             }
-                        )
+                        ),
-                    }
+                    )
-                    Row(verticalAlignment = Alignment.CenterVertically,
-                        horizontalArrangement = Arrangement.SpaceBetween){
-                        Text(stringResource(id = R.string.exclude))
-                        Checkbox(
-                            checked = !include,
-                            onCheckedChange = {
-                                viewModel.onIncludeChange(!include)
-                            }
-                        )
-                    }
                 }
-                LazyColumn(modifier = Modifier
+            }
-                    .fillMaxWidth()
+            item {
-                    .fillMaxHeight(.75f)
+                Row(
-                    .padding(horizontal = 14.dp, vertical = 7.dp),
+                    modifier = Modifier
-                    verticalArrangement = Arrangement.Center,
+                        .fillMaxWidth()
-                    horizontalAlignment = Alignment.Start) {
+                        .padding(horizontal = 20.dp, vertical = 7.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.SpaceBetween
+                ) {
+                    Text(stringResource(id = R.string.tunnel_all))
+                    Switch(
+                        checked = allApplications,
+                        onCheckedChange = {
+                            viewModel.onAllApplicationsChange(!allApplications)
+                        }
+                    )
+                }
+            }
+                if (!allApplications) {
+                    item {
+                        Row(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(horizontal = 20.dp, vertical = 7.dp),
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.SpaceBetween
+                        ) {
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                                horizontalArrangement = Arrangement.SpaceBetween
+                            ) {
+                                Text(stringResource(id = R.string.include))
+                                Checkbox(
+                                    checked = include,
+                                    onCheckedChange = {
+                                        viewModel.onIncludeChange(!include)
+                                    }
+                                )
+                            }
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                                horizontalArrangement = Arrangement.SpaceBetween
+                            ) {
+                                Text(stringResource(id = R.string.exclude))
+                                Checkbox(
+                                    checked = !include,
+                                    onCheckedChange = {
+                                        viewModel.onIncludeChange(!include)
+                                    }
+                                )
+                            }
+                        }
+                    }
+//                    LazyColumn(
+//                        modifier = Modifier
+//                            .fillMaxWidth()
+//                            .fillMaxHeight(.75f)
+//                            .padding(horizontal = 14.dp, vertical = 7.dp),
+//                        verticalArrangement = Arrangement.Center,
+//                        horizontalAlignment = Alignment.Start
+//                    ) {
                     items(packages) { pack ->
-                        Row(verticalAlignment = Alignment.CenterVertically,
+                        Row(
-                            horizontalArrangement = Arrangement.SpaceBetween) {
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.SpaceBetween
+                        ) {
                             Row(
                                 horizontalArrangement = Arrangement.Center,
                                 verticalAlignment = Alignment.CenterVertically,
                                 modifier = Modifier.padding(5.dp)
                             ) {
-                                val drawable = pack.applicationInfo?.loadIcon(context.packageManager)
+                                val drawable =
-                                if(drawable != null) {
+                                    pack.applicationInfo?.loadIcon(context.packageManager)
-                                    Image(painter = DrawablePainter(drawable), stringResource(id = R.string.icon), modifier = Modifier.size(50.dp, 50.dp))
+                                if (drawable != null) {
+                                    Image(
+                                        painter = DrawablePainter(drawable),
+                                        stringResource(id = R.string.icon),
+                                        modifier = Modifier.size(50.dp, 50.dp)
+                                    )
                                 } else {
-                                    Icon(Icons.Rounded.Android, stringResource(id = R.string.edit), modifier = Modifier.size(50.dp, 50.dp))
+                                    Icon(
+                                        Icons.Rounded.Android,
+                                        stringResource(id = R.string.edit),
+                                        modifier = Modifier.size(50.dp, 50.dp)
+                                    )
                                 }
-                                Text(pack.applicationInfo.loadLabel(context.packageManager).toString(), modifier = Modifier.padding(5.dp))
+                                Text(
+                                    pack.applicationInfo.loadLabel(context.packageManager)
+                                        .toString(), modifier = Modifier.padding(5.dp)
+                                )
                             }
                             Checkbox(
                                 checked = (checkedPackages.contains(pack.packageName)),
                                 onCheckedChange = {
-                                    if(it) viewModel.onAddCheckedPackage(pack.packageName) else viewModel.onRemoveCheckedPackage(pack.packageName)
+                                    if (it) viewModel.onAddCheckedPackage(pack.packageName) else viewModel.onRemoveCheckedPackage(
+                                        pack.packageName
+                                    )
                                 }
                             )
                         }
                     }
                 }
-            }
+            item {
-            Row(
+                Row(
-                horizontalArrangement = Arrangement.Center,
+                    horizontalArrangement = Arrangement.Center,
-                verticalAlignment = Alignment.CenterVertically,
+                    verticalAlignment = Alignment.CenterVertically,
-                modifier = Modifier.fillMaxWidth()
+                    modifier = Modifier.fillMaxWidth()
-            ) {
+                ) {
-                Button(onClick = {
+                    Button(onClick = {
-                    scope.launch {
+                        scope.launch {
-                        viewModel.onSaveAllChanges()
+                            viewModel.onSaveAllChanges()
-                        Toast.makeText(context, context.resources.getString(R.string.config_changes_saved), Toast.LENGTH_LONG).show()
+                            Toast.makeText(
-                        navController.navigate(Routes.Main.name)
+                                context,
+                                context.resources.getString(R.string.config_changes_saved),
+                                Toast.LENGTH_LONG
+                            ).show()
+                            navController.navigate(Routes.Main.name)
+                        }
+                    }, Modifier.padding(25.dp)) {
+                        Text(stringResource(id = R.string.save_changes))
                     }
-                }, Modifier.padding(25.dp)) {
-                    Text(stringResource(id = R.string.save_changes))
                 }
             }
         }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/config/ConfigViewModel.kt

@@ -9,6 +9,7 @@ import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.toMutableStateList
 import androidx.lifecycle.ViewModel
 import com.zaneschepke.wireguardautotunnel.repository.Repository
+import com.zaneschepke.wireguardautotunnel.service.tunnel.model.Settings
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -18,7 +19,8 @@ import javax.inject.Inject
 
 @HiltViewModel
 class ConfigViewModel @Inject constructor(private val application : Application,
-                                          private val tunnelRepo : Repository<TunnelConfig>) : ViewModel() {
+                                          private val tunnelRepo : Repository<TunnelConfig>,
+                                          private val settingsRepo : Repository<Settings>) : ViewModel() {
 
     private val _tunnel = MutableStateFlow<TunnelConfig?>(null)
     private val _tunnelName = MutableStateFlow("")
@@ -127,6 +129,17 @@ class ConfigViewModel @Inject constructor(private val application : Application,
                 wgQuick = wgQuick
             )?.let {
                 tunnelRepo.save(it)
+                val settings = settingsRepo.getAll()
+                if(settings != null) {
+                    val setting = settings[0]
+                    if(setting.defaultTunnel != null) {
+                        if(it.id == TunnelConfig.from(setting.defaultTunnel!!).id) {
+                            settingsRepo.save(setting.copy(
+                                defaultTunnel = it.toString()
+                            ))
+                        }
+                    }
+                }
             }
         }
     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/detail/DetailScreen.kt

@@ -0,0 +1,139 @@
+package com.zaneschepke.wireguardautotunnel.ui.screens.detail
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.ClipboardManager
+import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.util.NumberUtils
+import java.time.Duration
+import java.time.Instant
+
+@Composable
+fun DetailScreen(
+    viewModel: DetailViewModel = hiltViewModel(),
+    padding: PaddingValues,
+    id : String?
+) {
+
+    val clipboardManager: ClipboardManager = LocalClipboardManager.current
+    val tunnelStats by viewModel.tunnelStats.collectAsStateWithLifecycle(null)
+    val tunnel by viewModel.tunnel.collectAsStateWithLifecycle(null)
+    val tunnelName by viewModel.tunnelName.collectAsStateWithLifecycle()
+    val lastHandshake by viewModel.lastHandshake.collectAsStateWithLifecycle(emptyMap())
+
+
+    LaunchedEffect(Unit) {
+        viewModel.getTunnelById(id)
+    }
+
+    if(tunnel != null) {
+        val interfaceKey = tunnel?.`interface`?.keyPair?.publicKey?.toBase64().toString()
+        val addresses = tunnel?.`interface`?.addresses!!.joinToString()
+        val dnsServers = tunnel?.`interface`?.dnsServers!!.joinToString()
+        val optionalMtu = tunnel?.`interface`?.mtu
+        val mtu = if(optionalMtu?.isPresent == true) optionalMtu.get().toString() else "None"
+        Column(
+            horizontalAlignment = Alignment.Start,
+            verticalArrangement = Arrangement.Top,
+            modifier = Modifier
+                .fillMaxSize()
+                .verticalScroll(rememberScrollState())
+                .padding(padding)
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 20.dp, vertical = 7.dp),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                Column {
+                    Text(stringResource(R.string.config_interface), fontWeight = FontWeight.Bold, fontSize = 20.sp)
+                    Text(stringResource(R.string.name), fontStyle = FontStyle.Italic)
+                    Text(text = tunnelName,  modifier = Modifier.clickable {
+                        clipboardManager.setText(AnnotatedString(tunnelName))
+                    })
+                    Text(stringResource(R.string.public_key), fontStyle = FontStyle.Italic)
+                    Text(text = interfaceKey,  modifier = Modifier.clickable {
+                        clipboardManager.setText(AnnotatedString(interfaceKey))
+                    })
+                    Text(stringResource(R.string.addresses), fontStyle = FontStyle.Italic)
+                    Text(text = addresses,  modifier = Modifier.clickable {
+                        clipboardManager.setText(AnnotatedString(addresses))
+                    })
+                    Text(stringResource(R.string.dns_servers), fontStyle = FontStyle.Italic)
+                    Text(text = dnsServers,  modifier = Modifier.clickable {
+                        clipboardManager.setText(AnnotatedString(dnsServers))
+                    })
+                    Text(stringResource(R.string.mtu), fontStyle = FontStyle.Italic)
+                    Text(text = mtu,  modifier = Modifier.clickable {
+                        clipboardManager.setText(AnnotatedString(mtu))
+                    })
+                    Box(modifier = Modifier.padding(10.dp))
+                    tunnel?.peers?.forEach{
+                        val peerKey = it.publicKey.toBase64().toString()
+                        val allowedIps = it.allowedIps.joinToString()
+                        val endpoint = if(it.endpoint.isPresent) it.endpoint.get().toString() else "None"
+                        Text(stringResource(R.string.peer), fontWeight = FontWeight.Bold, fontSize = 20.sp)
+                        Text(stringResource(R.string.public_key), fontStyle = FontStyle.Italic)
+                        Text(text = peerKey,  modifier = Modifier.clickable {
+                            clipboardManager.setText(AnnotatedString(peerKey))
+                        })
+                        Text(stringResource(id = R.string.allowed_ips), fontStyle = FontStyle.Italic)
+                        Text(text = allowedIps,  modifier = Modifier.clickable {
+                            clipboardManager.setText(AnnotatedString(allowedIps))
+                        })
+                        Text(stringResource(R.string.endpoint), fontStyle = FontStyle.Italic)
+                        Text(text = endpoint,  modifier = Modifier.clickable {
+                            clipboardManager.setText(AnnotatedString(endpoint))
+                        })
+                        if (tunnelStats != null) {
+                            val totalRx = tunnelStats?.totalRx() ?: 0
+                            val totalTx = tunnelStats?.totalTx() ?: 0
+                            if((totalRx + totalTx != 0L))  {
+                                val rxKB = NumberUtils.bytesToKB(tunnelStats!!.totalRx())
+                                val txKB = NumberUtils.bytesToKB(tunnelStats!!.totalTx())
+                                Text(stringResource(R.string.transfer), fontStyle = FontStyle.Italic)
+                                Text("rx: ${NumberUtils.formatDecimalTwoPlaces(rxKB)} KB tx: ${NumberUtils.formatDecimalTwoPlaces(txKB)} KB")
+                                Text(stringResource(R.string.last_handshake), fontStyle = FontStyle.Italic)
+                                val handshakeEpoch = lastHandshake[it.publicKey]
+                                if(handshakeEpoch != null) {
+                                    if(handshakeEpoch == 0L) {
+                                        Text("Never")
+                                    } else {
+                                        val time = Instant.ofEpochMilli(handshakeEpoch)
+                                        Text("${Duration.between(time, Instant.now()).seconds} seconds ago")
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/detail/DetailViewModel.kt

@@ -0,0 +1,45 @@
+package com.zaneschepke.wireguardautotunnel.ui.screens.detail
+
+import androidx.lifecycle.ViewModel
+import com.wireguard.config.Config
+import com.zaneschepke.wireguardautotunnel.repository.Repository
+import com.zaneschepke.wireguardautotunnel.service.tunnel.VpnService
+import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import timber.log.Timber
+import javax.inject.Inject
+
+@HiltViewModel
+class DetailViewModel @Inject constructor(private val tunnelRepo : Repository<TunnelConfig>, private val vpnService : VpnService
+
+) : ViewModel() {
+
+    private val _tunnel = MutableStateFlow<Config?>(null)
+    val tunnel get() = _tunnel.asStateFlow()
+
+    private val _tunnelName = MutableStateFlow<String>("")
+    val tunnelName = _tunnelName.asStateFlow()
+    val tunnelStats get() = vpnService.statistics
+    val lastHandshake get() = vpnService.lastHandshake
+
+    private var config : TunnelConfig? = null
+
+    suspend fun getTunnelById(id : String?) : TunnelConfig? {
+        return try {
+            if(id != null) {
+               config = tunnelRepo.getById(id.toLong())
+                if (config != null) {
+                    _tunnel.emit(TunnelConfig.configFromQuick(config!!.wgQuick))
+                    _tunnelName.emit(config!!.name)
+                }
+                return config
+            }
+            return null
+        } catch (e : Exception) {
+            Timber.e(e.message)
+            null
+        }
+    }
+}

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/MainScreen.kt

@@ -3,6 +3,9 @@ package com.zaneschepke.wireguardautotunnel.ui.screens.main
 import android.annotation.SuppressLint
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.slideInVertically
+import androidx.compose.animation.slideOutVertically
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.gestures.detectTapGestures
 import androidx.compose.foundation.layout.Arrangement
@@ -19,6 +22,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.FileOpen
 import androidx.compose.material.icons.filled.QrCode
 import androidx.compose.material.icons.rounded.Add
+import androidx.compose.material.icons.rounded.Circle
 import androidx.compose.material.icons.rounded.Delete
 import androidx.compose.material.icons.rounded.Edit
 import androidx.compose.material3.Divider
@@ -42,11 +46,16 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.hapticfeedback.HapticFeedbackType
+import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
+import androidx.compose.ui.input.nestedscroll.NestedScrollSource
+import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalHapticFeedback
@@ -58,29 +67,52 @@ import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.navigation.NavController
 import com.wireguard.android.backend.Tunnel
 import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.service.tunnel.HandshakeStatus
 import com.zaneschepke.wireguardautotunnel.service.tunnel.model.TunnelConfig
 import com.zaneschepke.wireguardautotunnel.ui.Routes
 import com.zaneschepke.wireguardautotunnel.ui.common.RowListItem
+import com.zaneschepke.wireguardautotunnel.ui.theme.brickRed
+import com.zaneschepke.wireguardautotunnel.ui.theme.mint
 import kotlinx.coroutines.launch
 
 @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun MainScreen(viewModel: MainViewModel = hiltViewModel(), padding : PaddingValues,
+fun MainScreen(
-               snackbarHostState : SnackbarHostState, navController: NavController) {
+    viewModel: MainViewModel = hiltViewModel(), padding: PaddingValues,
+    snackbarHostState: SnackbarHostState, navController: NavController
+) {
 
     val haptic = LocalHapticFeedback.current
     val context = LocalContext.current
+    val isVisible = rememberSaveable { mutableStateOf(true) }
     val scope = rememberCoroutineScope()
 
     val sheetState = rememberModalBottomSheetState()
     var showBottomSheet by remember { mutableStateOf(false) }
     val tunnels by viewModel.tunnels.collectAsStateWithLifecycle(mutableListOf())
+    val handshakeStatus by viewModel.handshakeStatus.collectAsStateWithLifecycle(HandshakeStatus.NOT_STARTED)
     val viewState = viewModel.viewState.collectAsStateWithLifecycle()
     var selectedTunnel by remember { mutableStateOf<TunnelConfig?>(null) }
     val state by viewModel.state.collectAsStateWithLifecycle(Tunnel.State.DOWN)
     val tunnelName by viewModel.tunnelName.collectAsStateWithLifecycle("")
 
+    // Nested scroll for control FAB
+    val nestedScrollConnection = remember {
+        object : NestedScrollConnection {
+            override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
+                // Hide FAB
+                if (available.y < -1) {
+                    isVisible.value = false
+                }
+                // Show FAB
+                if (available.y > 1) {
+                    isVisible.value = true
+                }
+                return Offset.Zero
+            }
+        }
+    }
 
     LaunchedEffect(viewState.value) {
         if (viewState.value.showSnackbarMessage) {
@@ -111,20 +143,26 @@ fun MainScreen(viewModel: MainViewModel = hiltViewModel(), padding : PaddingValu
             })
         },
         floatingActionButtonPosition = FabPosition.End,
-        floatingActionButton = {
+        floatingActionButton =  {
-            FloatingActionButton(
+            AnimatedVisibility(
-                modifier = Modifier.padding(bottom = 90.dp),
+                visible = isVisible.value,
-                onClick = {
+                enter = slideInVertically(initialOffsetY = { it * 2 }),
-                    showBottomSheet = true
+                exit = slideOutVertically(targetOffsetY = { it * 2 }),
-                },
-                containerColor = MaterialTheme.colorScheme.secondary,
-                shape = RoundedCornerShape(16.dp),
             ) {
-                Icon(
+                FloatingActionButton(
-                    imageVector = Icons.Rounded.Add,
+                    modifier = Modifier.padding(bottom = 90.dp),
-                    contentDescription = stringResource(id = R.string.add_tunnel),
+                    onClick = {
-                    tint = Color.DarkGray,
+                        showBottomSheet = true
-                )
+                    },
+                    containerColor = MaterialTheme.colorScheme.secondary,
+                    shape = RoundedCornerShape(16.dp),
+                ) {
+                    Icon(
+                        imageVector = Icons.Rounded.Add,
+                        contentDescription = stringResource(id = R.string.add_tunnel),
+                        tint = Color.DarkGray,
+                    )
+                }
             }
         }
     ) {
@@ -156,8 +194,15 @@ fun MainScreen(viewModel: MainViewModel = hiltViewModel(), padding : PaddingValu
                         }
                         .padding(10.dp)
                 ) {
-                    Icon(Icons.Filled.FileOpen, contentDescription = stringResource(id = R.string.open_file), modifier = Modifier.padding(10.dp))
+                    Icon(
-                    Text(stringResource(id = R.string.add_from_file), modifier = Modifier.padding(10.dp))
+                        Icons.Filled.FileOpen,
+                        contentDescription = stringResource(id = R.string.open_file),
+                        modifier = Modifier.padding(10.dp)
+                    )
+                    Text(
+                        stringResource(id = R.string.add_from_file),
+                        modifier = Modifier.padding(10.dp)
+                    )
                 }
                 Divider()
                 Row(modifier = Modifier
@@ -170,8 +215,15 @@ fun MainScreen(viewModel: MainViewModel = hiltViewModel(), padding : PaddingValu
                     }
                     .padding(10.dp)
                 ) {
-                    Icon(Icons.Filled.QrCode, contentDescription = stringResource(id = R.string.qr_scan), modifier = Modifier.padding(10.dp))
+                    Icon(
-                    Text(stringResource(id = R.string.add_from_qr), modifier = Modifier.padding(10.dp))
+                        Icons.Filled.QrCode,
+                        contentDescription = stringResource(id = R.string.qr_scan),
+                        modifier = Modifier.padding(10.dp)
+                    )
+                    Text(
+                        stringResource(id = R.string.add_from_qr),
+                        modifier = Modifier.padding(10.dp)
+                    )
                 }
             }
         }
@@ -183,38 +235,52 @@ fun MainScreen(viewModel: MainViewModel = hiltViewModel(), padding : PaddingValu
                 .padding(padding)
         ) {
 
-            LazyColumn(modifier = Modifier.fillMaxSize()) {
+            LazyColumn(modifier = Modifier.fillMaxSize()
+                .nestedScroll(nestedScrollConnection),) {
                 items(tunnels.toList()) { tunnel ->
-                    RowListItem(text = tunnel.name, onHold = {
+                    RowListItem(leadingIcon = Icons.Rounded.Circle,
-                        if (state == Tunnel.State.UP && tunnel.name == tunnelName) {
+                        leadingIconColor = when (handshakeStatus) {
-                            scope.launch {
+                            HandshakeStatus.HEALTHY -> mint
-                                viewModel.showSnackBarMessage(context.resources.getString(R.string.turn_off_tunnel))
+                            HandshakeStatus.UNHEALTHY -> brickRed
+                            HandshakeStatus.NOT_STARTED -> Color.Gray
+                            HandshakeStatus.NEVER_CONNECTED -> brickRed
+                        },
+                        text = tunnel.name,
+                        onHold = {
+                            if (state == Tunnel.State.UP && tunnel.name == tunnelName) {
+                                scope.launch {
+                                    viewModel.showSnackBarMessage(context.resources.getString(R.string.turn_off_tunnel))
+                                }
+                                return@RowListItem
                             }
-                            return@RowListItem
+                            haptic.performHapticFeedback(HapticFeedbackType.LongPress)
-                        }
+                            selectedTunnel = tunnel;
-                        haptic.performHapticFeedback(HapticFeedbackType.LongPress)
+                        },
-                        selectedTunnel = tunnel;
+                        onClick = { navController.navigate("${Routes.Detail.name}/${tunnel.id}") },
-                    }, rowButton = {
+                        rowButton = {
-                        if (tunnel.id == selectedTunnel?.id) {
+                            if (tunnel.id == selectedTunnel?.id) {
-                            Row() {
+                                Row() {
-                                IconButton(onClick = {
+                                    IconButton(onClick = {
-                                    navController.navigate("${Routes.Config.name}/${selectedTunnel?.id}")
+                                        navController.navigate("${Routes.Config.name}/${selectedTunnel?.id}")
-                                }) {
+                                    }) {
-                                    Icon(Icons.Rounded.Edit, stringResource(id = R.string.edit))
+                                        Icon(Icons.Rounded.Edit, stringResource(id = R.string.edit))
-                                }
+                                    }
-                                IconButton(onClick = { viewModel.onDelete(tunnel) }) {
+                                    IconButton(onClick = { viewModel.onDelete(tunnel) }) {
-                                    Icon(Icons.Rounded.Delete, stringResource(id = R.string.delete))
+                                        Icon(
+                                            Icons.Rounded.Delete,
+                                            stringResource(id = R.string.delete)
+                                        )
+                                    }
                                 }
+                            } else {
+                                Switch(
+                                    checked = (state == Tunnel.State.UP && tunnel.name == tunnelName),
+                                    onCheckedChange = { checked ->
+                                        if (checked) viewModel.onTunnelStart(tunnel) else viewModel.onTunnelStop()
+                                    }
+                                )
                             }
-                        } else {
+                        })
-                            Switch(
-                                checked = (state == Tunnel.State.UP && tunnel.name == tunnelName),
-                                onCheckedChange = { checked ->
-                                    if (checked) viewModel.onTunnelStart(tunnel) else viewModel.onTunnelStop()
-                                }
-                            )
-                        }
-                    })
                 }
             }
         }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/MainViewModel.kt

@@ -42,6 +42,8 @@ class MainViewModel @Inject constructor(private val application : Application,
     val viewState get() = _viewState.asStateFlow()
     val tunnels get() = tunnelRepo.itemFlow
     val state get() = vpnService.state
+
+    val handshakeStatus get() = vpnService.handshakeStatus
     val tunnelName get() = vpnService.tunnelName
     private val _settings = MutableStateFlow(Settings())
     val settings get() = _settings.asStateFlow()
@@ -84,6 +86,7 @@ class MainViewModel @Inject constructor(private val application : Application,
                     val setting = settings[0]
                     setting.defaultTunnel = null
                     setting.isAutoTunnelEnabled = false
+                    setting.isAlwaysOnVpnEnabled = false
                     settingsRepo.save(setting)
                 }
             }
@@ -102,33 +105,34 @@ class MainViewModel @Inject constructor(private val application : Application,
 
     suspend fun onTunnelQRSelected() {
         codeScanner.scan().collect {
-            Timber.d(it)
             if(!it.isNullOrEmpty() && it.contains(application.resources.getString(R.string.config_validation))) {
                 tunnelRepo.save(TunnelConfig(name = defaultConfigName(), wgQuick = it))
+            } else if(!it.isNullOrEmpty() && it.contains(application.resources.getString(R.string.barcode_downloading))) {
+                showSnackBarMessage(application.resources.getString(R.string.barcode_downloading_message))
             } else {
-                showSnackBarMessage("Invalid QR code. Try again.")
+                showSnackBarMessage(application.resources.getString(R.string.barcode_error))
             }
         }
     }
 
     fun onTunnelFileSelected(uri : Uri) {
-        val fileName = getFileName(application.applicationContext, uri)
-        val extension = getFileExtensionFromFileName(fileName)
-        if(extension != ".conf") {
-            viewModelScope.launch {
-                showSnackBarMessage(application.resources.getString(R.string.file_extension_message))
-            }
-            return
-        }
-        val stream = application.applicationContext.contentResolver.openInputStream(uri)
-        stream ?: return
-        val bufferReader = stream.bufferedReader(charset = Charsets.UTF_8)
         try {
-            val config = Config.parse(bufferReader)
+            val fileName = getFileName(application.applicationContext, uri)
-            val tunnelName = getNameFromFileName(fileName)
+            val extension = getFileExtensionFromFileName(fileName)
-            viewModelScope.launch {
+            if(extension != ".conf") {
-                tunnelRepo.save(TunnelConfig(name = tunnelName, wgQuick = config.toWgQuickString()))
+                viewModelScope.launch {
+                    showSnackBarMessage(application.resources.getString(R.string.file_extension_message))
+                }
+                return
             }
+            val stream = application.applicationContext.contentResolver.openInputStream(uri)
+            stream ?: return
+            val bufferReader = stream.bufferedReader(charset = Charsets.UTF_8)
+                val config = Config.parse(bufferReader)
+                val tunnelName = getNameFromFileName(fileName)
+                viewModelScope.launch {
+                    tunnelRepo.save(TunnelConfig(name = tunnelName, wgQuick = config.toWgQuickString()))
+                }
             stream.close()
         } catch(_: BadConfigException) {
             viewModelScope.launch {
@@ -177,6 +181,10 @@ class MainViewModel @Inject constructor(private val application : Application,
     }
 
     private fun getFileExtensionFromFileName(fileName : String) : String {
-        return fileName.substring(fileName.lastIndexOf('.'))
+        return try {
+            fileName.substring(fileName.lastIndexOf('.'))
+        } catch (e : Exception) {
+            ""
+        }
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/settings/SettingsScreen.kt

@@ -16,8 +16,10 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.outlined.Add
@@ -91,6 +93,8 @@ fun SettingsScreen(
     val backgroundLocationState =
         rememberPermissionState(Manifest.permission.ACCESS_BACKGROUND_LOCATION)
     var currentText by remember { mutableStateOf("") }
+    val scrollState = rememberScrollState()
+    var isLocationServicesEnabled by remember { mutableStateOf(viewModel.checkLocationServicesEnabled())}
 
     LaunchedEffect(viewState) {
         if (viewState.showSnackbarMessage) {
@@ -120,6 +124,7 @@ fun SettingsScreen(
             verticalArrangement = Arrangement.Top,
             modifier = Modifier
                 .fillMaxSize()
+                .verticalScroll(scrollState)
                 .padding(padding)) {
             Icon(Icons.Rounded.LocationOff, contentDescription = stringResource(id = R.string.map), modifier = Modifier
                 .padding(30.dp)
@@ -172,12 +177,41 @@ fun SettingsScreen(
         }
         return
     }
+    if(!isLocationServicesEnabled) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.Center,
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            Text(
+                stringResource(id = R.string.location_services_not_detected),
+                textAlign = TextAlign.Center,
+                modifier = Modifier.padding(15.dp),
+                fontStyle = FontStyle.Italic
+            )
+            Button(onClick = {
+                val locationServicesEnabled = viewModel.checkLocationServicesEnabled()
+                isLocationServicesEnabled = locationServicesEnabled
+                if(!locationServicesEnabled) {
+                    scope.launch {
+                        viewModel.showSnackBarMessage(context.getString(R.string.detecting_location_services_disabled))
+                    }
+                }
+            }) {
+                Text(stringResource(id = R.string.check_again))
+            }
+        }
+        return
+    }
 
     Column(
         horizontalAlignment = Alignment.Start,
         verticalArrangement = Arrangement.Top,
         modifier = Modifier
             .fillMaxSize()
+            .verticalScroll(scrollState)
             .clickable(indication = null, interactionSource = interactionSource) {
                 focusManager.clearFocus()
             }
@@ -192,6 +226,7 @@ fun SettingsScreen(
         ) {
             Text(stringResource(R.string.enable_auto_tunnel))
             Switch(
+                enabled = !settings.isAlwaysOnVpnEnabled,
                 checked = settings.isAutoTunnelEnabled,
                 onCheckedChange = {
                     scope.launch {
@@ -208,12 +243,12 @@ fun SettingsScreen(
         ExposedDropdownMenuBox(
             expanded = expanded,
             onExpandedChange = {
-                if(!settings.isAutoTunnelEnabled) {
+                if(!(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled)) {
                 expanded = !expanded }},
             modifier = Modifier.padding(start = 15.dp, top = 5.dp, bottom = 10.dp),
         ) {
             TextField(
-                enabled = !settings.isAutoTunnelEnabled,
+                enabled = !(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled),
                 value = settings.defaultTunnel?.let {
                     TunnelConfig.from(it).name }
                     ?: "",
@@ -261,11 +296,11 @@ fun SettingsScreen(
                     scope.launch {
                         viewModel.onDeleteTrustedSSID(ssid)
                     }
-                }, text = ssid, icon = Icons.Filled.Close, enabled = !settings.isAutoTunnelEnabled)
+                }, text = ssid, icon = Icons.Filled.Close, enabled = !(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled))
             }
         }
         OutlinedTextField(
-            enabled = !settings.isAutoTunnelEnabled,
+            enabled = !(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled),
             value = currentText,
             onValueChange = { currentText = it },
             label = { Text(stringResource(R.string.add_trusted_ssid)) },
@@ -301,7 +336,7 @@ fun SettingsScreen(
         ) {
             Text(stringResource(R.string.tunnel_mobile_data))
             Switch(
-                enabled = !settings.isAutoTunnelEnabled,
+                enabled = !(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled),
                 checked = settings.isTunnelOnMobileDataEnabled,
                 onCheckedChange = {
                     scope.launch {
@@ -310,6 +345,24 @@ fun SettingsScreen(
                 }
             )
         }
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(14.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Text(stringResource(R.string.always_on_vpn_support))
+            Switch(
+                enabled = !settings.isAutoTunnelEnabled,
+                checked = settings.isAlwaysOnVpnEnabled,
+                onCheckedChange = {
+                    scope.launch {
+                        viewModel.onToggleAlwaysOnVPN()
+                    }
+                }
+            )
+        }
     }
 }
 

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/settings/SettingsViewModel.kt

@@ -1,6 +1,8 @@
 package com.zaneschepke.wireguardautotunnel.ui.screens.settings
 
 import android.app.Application
+import android.content.Context
+import android.location.LocationManager
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.zaneschepke.wireguardautotunnel.R
@@ -17,6 +19,7 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+
 @HiltViewModel
 class SettingsViewModel @Inject constructor(private val application : Application,
     private val tunnelRepo : Repository<TunnelConfig>, private val settingsRepo : Repository<Settings>
@@ -31,6 +34,7 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
     val viewState get() = _viewState.asStateFlow()
 
     init {
+        checkLocationServicesEnabled()
         viewModelScope.launch {
             settingsRepo.itemFlow.collect {
                 val settings = it.first()
@@ -69,7 +73,7 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
 
     suspend fun toggleAutoTunnel() {
         if(_settings.value.defaultTunnel.isNullOrEmpty() && !_settings.value.isAutoTunnelEnabled) {
-            showSnackBarMessage("Please select a tunnel first")
+            showSnackBarMessage(application.getString(R.string.select_tunnel_message))
             return
         }
         if(_settings.value.isAutoTunnelEnabled) {
@@ -99,8 +103,7 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
             }
         }
     }
-
+    suspend fun showSnackBarMessage(message : String) {
-    private suspend fun showSnackBarMessage(message : String) {
         _viewState.emit(_viewState.value.copy(
             showSnackbarMessage = true,
             snackbarMessage = message,
@@ -118,4 +121,20 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
             showSnackbarMessage = false
         ))
     }
+
+    suspend fun onToggleAlwaysOnVPN() {
+        if(_settings.value.defaultTunnel != null) {
+            _settings.emit(
+                _settings.value.copy(isAlwaysOnVpnEnabled = !_settings.value.isAlwaysOnVpnEnabled)
+            )
+            settingsRepo.save(_settings.value)
+        } else {
+            showSnackBarMessage(application.getString(R.string.select_tunnel_message))
+        }
+    }
+    fun checkLocationServicesEnabled() : Boolean {
+        val locationManager =
+            application.getSystemService(Context.LOCATION_SERVICE) as LocationManager
+        return locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)
+    }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/support/SupportScreen.kt

@@ -11,6 +11,8 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.Text
@@ -43,6 +45,7 @@ fun SupportScreen(padding : PaddingValues) {
             verticalArrangement = Arrangement.Top,
             modifier = Modifier
                 .fillMaxSize()
+                .verticalScroll(rememberScrollState())
                 .padding(padding)) {
             Text(stringResource(R.string.support_text), textAlign = TextAlign.Center, modifier = Modifier.padding(30.dp), fontSize = 15.sp)
             Row(

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/theme/Color.kt

@@ -9,4 +9,9 @@ val virdigris = Color(0xFF5BC0BE)
 
 val Purple40 = Color(0xFF6650a4)
 val PurpleGrey40 = Color(0xFF625b71)
-val Pink40 = Color(0xFFFFFFFF)
+val Pink40 = Color(0xFFFFFFFF)
+
+//status colors
+val brickRed = Color(0xFFCE4257)
+val pinkRed = Color(0xFFEF476F)
+val mint = Color(0xFF52B788)

app/src/main/java/com/zaneschepke/wireguardautotunnel/util/NumberUtils.kt

@@ -0,0 +1,25 @@
+package com.zaneschepke.wireguardautotunnel.util
+
+import java.math.BigDecimal
+import java.text.DecimalFormat
+import java.time.Duration
+import java.time.Instant
+
+object NumberUtils {
+
+    private const val BYTES_IN_KB = 1024L
+
+    fun bytesToKB(bytes : Long) : BigDecimal {
+        return bytes.toBigDecimal().divide(BYTES_IN_KB.toBigDecimal())
+    }
+
+    fun formatDecimalTwoPlaces(bigDecimal: BigDecimal) : String {
+        val df = DecimalFormat("#.##")
+        return df.format(bigDecimal)
+    }
+
+    fun getSecondsBetweenTimestampAndNow(epoch : Long) : Long {
+        val time = Instant.ofEpochMilli(epoch)
+        return Duration.between(time, Instant.now()).seconds
+    }
+}

app/src/main/res/values/strings.xml

@@ -58,4 +58,28 @@
     <string name="turn_on">Turn on</string>
     <string name="map">Map</string>
     <string name="bad_config">Bad config. Please try again.</string>
+    <string name="config_interface">Interface</string>
+    <string name="public_key">Public key</string>
+    <string name="barcode_downloading">Waiting for the Barcode UI module to be downloaded.</string>
+    <string name="barcode_downloading_message">Barcode module downloading. Try again.</string>
+    <string name="barcode_error">Invalid QR code. Try again.</string>
+    <string name="addresses">Addresses</string>
+    <string name="dns_servers">DNS servers</string>
+    <string name="mtu">MTU</string>
+    <string name="peer">Peer</string>
+    <string name="allowed_ips">Allowed IPs</string>
+    <string name="endpoint">Endpoint</string>
+    <string name="transfer">Transfer</string>
+    <string name="last_handshake">Last handshake</string>
+    <string name="name">Name</string>
+    <string name="restart">Restart Tunnel</string>
+    <string name="vpn_connection_failed">VPN Connection Failed</string>
+    <string name="failed_connection_to">Failed connection to -</string>
+    <string name="initial_connection_failure_message">Attempting to connect to server after 30 seconds of no response.</string>
+    <string name="lost_connection_failure_message">Attempting to reconnect to server after more than one minute of no response.</string>
+    <string name="always_on_vpn_support">Enable Always-On VPN support</string>
+    <string name="select_tunnel_message">Please select a tunnel first</string>
+    <string name="location_services_not_detected">Unable to detect Location Services which are required for this feature. Please enable Location Services.</string>
+    <string name="check_again">Check again</string>
+    <string name="detecting_location_services_disabled">Detecting Location Services disabled</string>
 </resources>

build.gradle.kts

@@ -2,19 +2,19 @@
 
 buildscript {
     val objectBoxVersion by extra("3.5.1")
-    val hiltVersion by extra("2.44")
+    val hiltVersion by extra("2.47")
     val accompanistVersion by extra("0.31.2-alpha")
 
     dependencies {
         classpath("io.objectbox:objectbox-gradle-plugin:$objectBoxVersion")
         classpath("com.google.gms:google-services:4.3.15")
-        classpath("com.google.firebase:firebase-crashlytics-gradle:2.9.6")
+        classpath("com.google.firebase:firebase-crashlytics-gradle:2.9.7")
     }
 }
 
 plugins {
     id("com.android.application") version "8.2.0-alpha08" apply false
-    id("org.jetbrains.kotlin.android") version "1.8.21"  apply false
+    id("org.jetbrains.kotlin.android") version "1.8.22"  apply false
     id("com.google.dagger.hilt.android") version "2.44" apply false
-    kotlin("plugin.serialization") version "1.8.21" apply false
+    kotlin("plugin.serialization") version "1.8.22" apply false
 }