fix: converter backwards compatibility

Fixes database converter to allow for backwards compatabilty.

app/build.gradle.kts

@@ -14,10 +14,12 @@ android {
         applicationId = "com.zaneschepke.wireguardautotunnel"
         minSdk = 26
         targetSdk = 34
-        versionCode = 31400
+        versionCode = 32000
-        versionName = "3.1.4"
+        versionName = "3.2.0"
 
-        multiDexEnabled = true
+        ksp {
+            arg("room.schemaLocation", "$projectDir/schemas")
+        }
 
         resourceConfigurations.addAll(listOf("en"))
 
@@ -45,6 +47,7 @@ android {
     productFlavors {
         create("fdroid") {
             dimension = "type"
+            proguardFile("fdroid-rules.pro")
         }
         create("general") {
             dimension = "type"
@@ -149,4 +152,7 @@ dependencies {
     //bio
     implementation(libs.androidx.biometric.ktx)
 
+    //shortcuts
+    implementation(libs.androidx.core)
+    implementation(libs.androidx.core.google.shortcuts)
 }

app/fdroid-rules.pro

@@ -0,0 +1 @@
+-dontwarn com.google.errorprone.annotations.**

app/proguard-rules.pro

@@ -18,4 +18,4 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+#-renamesourcefileattribute SourceFile

app/schemas/com.zaneschepke.wireguardautotunnel.repository.AppDatabase/1.json

@@ -0,0 +1,112 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 1,
+    "identityHash": "ba86153e6fb0b823197b987239b03e64",
+    "entities": [
+      {
+        "tableName": "Settings",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_tunnel_enabled` INTEGER NOT NULL, `is_tunnel_on_mobile_data_enabled` INTEGER NOT NULL, `trusted_network_ssids` TEXT NOT NULL, `default_tunnel` TEXT, `is_always_on_vpn_enabled` INTEGER NOT NULL, `is_tunnel_on_ethernet_enabled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isAutoTunnelEnabled",
+            "columnName": "is_tunnel_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isTunnelOnMobileDataEnabled",
+            "columnName": "is_tunnel_on_mobile_data_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "trustedNetworkSSIDs",
+            "columnName": "trusted_network_ssids",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "defaultTunnel",
+            "columnName": "default_tunnel",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "isAlwaysOnVpnEnabled",
+            "columnName": "is_always_on_vpn_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isTunnelOnEthernetEnabled",
+            "columnName": "is_tunnel_on_ethernet_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TunnelConfig",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT NOT NULL, `wg_quick` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "wgQuick",
+            "columnName": "wg_quick",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_TunnelConfig_name",
+            "unique": true,
+            "columnNames": [
+              "name"
+            ],
+            "orders": [],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_TunnelConfig_name` ON `${TABLE_NAME}` (`name`)"
+          }
+        ],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'ba86153e6fb0b823197b987239b03e64')"
+    ]
+  }
+}

app/schemas/com.zaneschepke.wireguardautotunnel.repository.AppDatabase/2.json

@@ -0,0 +1,126 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 2,
+    "identityHash": "65b1c9efff61712231fa64d1f19f3915",
+    "entities": [
+      {
+        "tableName": "Settings",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_tunnel_enabled` INTEGER NOT NULL, `is_tunnel_on_mobile_data_enabled` INTEGER NOT NULL, `trusted_network_ssids` TEXT NOT NULL, `default_tunnel` TEXT, `is_always_on_vpn_enabled` INTEGER NOT NULL, `is_tunnel_on_ethernet_enabled` INTEGER NOT NULL, `is_shortcuts_enabled` INTEGER NOT NULL DEFAULT false, `is_battery_saver_enabled` INTEGER NOT NULL DEFAULT false)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isAutoTunnelEnabled",
+            "columnName": "is_tunnel_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isTunnelOnMobileDataEnabled",
+            "columnName": "is_tunnel_on_mobile_data_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "trustedNetworkSSIDs",
+            "columnName": "trusted_network_ssids",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "defaultTunnel",
+            "columnName": "default_tunnel",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "isAlwaysOnVpnEnabled",
+            "columnName": "is_always_on_vpn_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isTunnelOnEthernetEnabled",
+            "columnName": "is_tunnel_on_ethernet_enabled",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isShortcutsEnabled",
+            "columnName": "is_shortcuts_enabled",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "false"
+          },
+          {
+            "fieldPath": "isBatterySaverEnabled",
+            "columnName": "is_battery_saver_enabled",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "false"
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TunnelConfig",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT NOT NULL, `wg_quick` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "wgQuick",
+            "columnName": "wg_quick",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_TunnelConfig_name",
+            "unique": true,
+            "columnNames": [
+              "name"
+            ],
+            "orders": [],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_TunnelConfig_name` ON `${TABLE_NAME}` (`name`)"
+          }
+        ],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '65b1c9efff61712231fa64d1f19f3915')"
+    ]
+  }
+}

app/src/androidTest/java/com/zaneschepke/wireguardautotunnel/ExampleInstrumentedTest.kt

@@ -1,13 +1,11 @@
 package com.zaneschepke.wireguardautotunnel
 
-import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
-
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
 
-import org.junit.Assert.*
-
 /**
  * Instrumented test, which will execute on an Android device.
  *

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

@@ -2,6 +2,7 @@ package com.zaneschepke.wireguardautotunnel
 
 object Constants {
     const val MANUAL_TUNNEL_CONFIG_ID = "0"
+    const val WATCHER_SERVICE_WAKE_LOCK_TIMEOUT = 10*60*1000L /*10 minute*/
     const val VPN_CONNECTIVITY_CHECK_INTERVAL = 3000L
     const val VPN_STATISTIC_CHECK_INTERVAL = 10000L
     const val TOGGLE_TUNNEL_DELAY = 500L

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

@@ -8,8 +8,6 @@ import androidx.lifecycle.lifecycleScope
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
 import com.zaneschepke.wireguardautotunnel.repository.model.Settings
 import dagger.hilt.android.HiltAndroidApp
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject

app/src/main/java/com/zaneschepke/wireguardautotunnel/repository/AppDatabase.kt

@@ -1,12 +1,15 @@
 package com.zaneschepke.wireguardautotunnel.repository
 
+import androidx.room.AutoMigration
 import androidx.room.Database
 import androidx.room.RoomDatabase
 import androidx.room.TypeConverters
 import com.zaneschepke.wireguardautotunnel.repository.model.Settings
 import com.zaneschepke.wireguardautotunnel.repository.model.TunnelConfig
 
-@Database(entities = [Settings::class, TunnelConfig::class], version = 1, exportSchema = false)
+@Database(entities = [Settings::class, TunnelConfig::class], version = 2, autoMigrations = [
+    AutoMigration(from = 1, to = 2)
+], exportSchema = true)
 @TypeConverters(DatabaseListConverters::class)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun settingDao(): SettingsDoa

app/src/main/java/com/zaneschepke/wireguardautotunnel/repository/DatabaseListConverters.kt

@@ -1,15 +1,23 @@
 package com.zaneschepke.wireguardautotunnel.repository
 
 import androidx.room.TypeConverter
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
 
 class DatabaseListConverters {
     @TypeConverter
     fun listToString(value: MutableList<String>): String {
-        return value.joinToString(",")
+        return Json.encodeToString(value)
     }
     @TypeConverter
-    fun <T> stringToList(value: String): MutableList<String> {
+    fun stringToList(value: String): MutableList<String> {
         if(value.isEmpty()) return mutableListOf()
-        return value.split(",").toMutableList()
+        return try {
+            Json.decodeFromString<MutableList<String>>(value)
+        } catch (e : Exception) {
+            val list = value.split(",").toMutableList()
+            val json = listToString(list)
+            Json.decodeFromString<MutableList<String>>(json)
+        }
     }
 }

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

@@ -13,6 +13,8 @@ data class Settings(
     @ColumnInfo(name = "default_tunnel") var defaultTunnel : String? = null,
     @ColumnInfo(name = "is_always_on_vpn_enabled") var isAlwaysOnVpnEnabled : Boolean = false,
     @ColumnInfo(name = "is_tunnel_on_ethernet_enabled") var isTunnelOnEthernetEnabled : Boolean = false,
+    @ColumnInfo(name = "is_shortcuts_enabled", defaultValue = "false") var isShortcutsEnabled : Boolean = false,
+    @ColumnInfo(name = "is_battery_saver_enabled", defaultValue = "false") var isBatterySaverEnabled : Boolean = false,
 ) {
     fun isTunnelConfigDefault(tunnelConfig: TunnelConfig) : Boolean {
         return if (defaultTunnel != null) {

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

@@ -91,14 +91,6 @@ object ServiceManager {
             WireGuardConnectivityWatcherService::class.java)
     }
 
-    fun toggleWatcherService(context: Context, tunnelConfig : String) {
-        when(getServiceState( context,
-            WireGuardConnectivityWatcherService::class.java,)) {
-            ServiceState.STARTED -> stopWatcherService(context)
-            ServiceState.STOPPED -> startWatcherService(context, tunnelConfig)
-        }
-    }
-
     fun toggleWatcherServiceForeground(context: Context, tunnelConfig : String) {
         when(getServiceState( context,
             WireGuardConnectivityWatcherService::class.java,)) {

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

@@ -21,24 +21,24 @@ import com.zaneschepke.wireguardautotunnel.service.network.WifiService
 import com.zaneschepke.wireguardautotunnel.service.notification.NotificationService
 import com.zaneschepke.wireguardautotunnel.service.tunnel.VpnService
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import timber.log.Timber
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class WireGuardConnectivityWatcherService : ForegroundService() {
 
-    private val foregroundId = 122;
+    private val foregroundId = 122
 
     @Inject
-    lateinit var wifiService : NetworkService<WifiService>
+    lateinit var wifiService: NetworkService<WifiService>
 
     @Inject
-    lateinit var mobileDataService : NetworkService<MobileDataService>
+    lateinit var mobileDataService: NetworkService<MobileDataService>
 
     @Inject
     lateinit var ethernetService: NetworkService<EthernetService>
@@ -47,22 +47,22 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
     lateinit var settingsRepo: SettingsDoa
 
     @Inject
-    lateinit var notificationService : NotificationService
+    lateinit var notificationService: NotificationService
 
     @Inject
-    lateinit var vpnService : VpnService
+    lateinit var vpnService: VpnService
 
-    private var isWifiConnected = false;
+    private var isWifiConnected = false
-    private var isEthernetConnected = false;
+    private var isEthernetConnected = false
-    private var isMobileDataConnected = false;
+    private var isMobileDataConnected = false
-    private var currentNetworkSSID = "";
+    private var currentNetworkSSID = ""
 
-    private lateinit var watcherJob : Job;
+    private lateinit var watcherJob: Job
-    private lateinit var setting : Settings
+    private lateinit var setting: Settings
     private lateinit var tunnelConfig: String
 
     private var wakeLock: PowerManager.WakeLock? = null
-    private val tag = this.javaClass.name;
+    private val tag = this.javaClass.name
 
 
     override fun onCreate() {
@@ -80,9 +80,11 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
             this.tunnelConfig = tunnelId
         }
         // we need this lock so our service gets not affected by Doze Mode
-        initWakeLock()
+        lifecycleScope.launch {
+            initWakeLock()
+        }
         cancelWatcherJob()
-        if(this::tunnelConfig.isInitialized) {
+        if (this::tunnelConfig.isInitialized) {
             startWatcherJob()
         } else {
             stopService(extras)
@@ -104,7 +106,8 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
         val notification = notificationService.createNotification(
             channelId = getString(R.string.watcher_channel_id),
             channelName = getString(R.string.watcher_channel_name),
-            description = getString(R.string.watcher_notification_text))
+            description = getString(R.string.watcher_notification_text)
+        )
         super.startForeground(foregroundId, notification)
     }
 
@@ -112,46 +115,59 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
     override fun onTaskRemoved(rootIntent: Intent) {
         Timber.d("Task Removed called")
         val restartServiceIntent = Intent(rootIntent)
-        val restartServicePendingIntent: PendingIntent = PendingIntent.getService(this, 1, restartServiceIntent,
+        val restartServicePendingIntent: PendingIntent = PendingIntent.getService(
-            PendingIntent.FLAG_ONE_SHOT or PendingIntent.FLAG_IMMUTABLE);
+            this, 1, restartServiceIntent,
-        applicationContext.getSystemService(Context.ALARM_SERVICE);
+            PendingIntent.FLAG_ONE_SHOT or PendingIntent.FLAG_IMMUTABLE
-        val alarmService: AlarmManager = applicationContext.getSystemService(Context.ALARM_SERVICE) as AlarmManager;
+        )
-        alarmService.set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + 1000, restartServicePendingIntent);
+        applicationContext.getSystemService(Context.ALARM_SERVICE)
+        val alarmService: AlarmManager =
+            applicationContext.getSystemService(Context.ALARM_SERVICE) as AlarmManager
+        alarmService.set(
+            AlarmManager.ELAPSED_REALTIME,
+            SystemClock.elapsedRealtime() + 1000,
+            restartServicePendingIntent
+        )
     }
 
-    private fun initWakeLock() {
+    private suspend fun initWakeLock() {
+        val isBatterySaverOn = withContext(lifecycleScope.coroutineContext) {
+            settingsRepo.getAll().firstOrNull()?.isBatterySaverEnabled ?: false
+        }
         wakeLock =
             (getSystemService(Context.POWER_SERVICE) as PowerManager).run {
                 newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "$tag::lock").apply {
-                    //TODO decide what to do here with the wakelock
+                    if (isBatterySaverOn) {
-                    //this is draining battery. Perhaps users only care for VPN to connect when their screen is on
+                        Timber.d("Initiating wakelock with timeout")
-                    //and they are actively using apps
+                        acquire(Constants.WATCHER_SERVICE_WAKE_LOCK_TIMEOUT)
-                    acquire()
+                    } else {
+                        Timber.d("Initiating wakelock with zero timeout")
+                        acquire()
+                    }
                 }
             }
     }
 
     private fun cancelWatcherJob() {
-        if(this::watcherJob.isInitialized) {
+        if (this::watcherJob.isInitialized) {
             watcherJob.cancel()
         }
     }
 
     private fun startWatcherJob() {
         watcherJob = lifecycleScope.launch(Dispatchers.IO) {
-            val settings = settingsRepo.getAll();
+            val settings = settingsRepo.getAll()
-            if(settings.isNotEmpty()) {
+            if (settings.isNotEmpty()) {
                 setting = settings[0]
             }
             launch {
                 watchForWifiConnectivityChanges()
             }
-            if(setting.isTunnelOnMobileDataEnabled) {
+            if (setting.isTunnelOnMobileDataEnabled) {
                 launch {
                     watchForMobileDataConnectivityChanges()
                 }
             }
-            if(setting.isTunnelOnEthernetEnabled) {
+            if (setting.isTunnelOnEthernetEnabled) {
                 launch {
                     watchForEthernetConnectivityChanges()
                 }
@@ -164,15 +180,17 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
 
     private suspend fun watchForMobileDataConnectivityChanges() {
         mobileDataService.networkStatus.collect {
-            when(it) {
+            when (it) {
                 is NetworkStatus.Available -> {
                     Timber.d("Gained Mobile data connection")
                     isMobileDataConnected = true
                 }
+
                 is NetworkStatus.CapabilitiesChanged -> {
                     isMobileDataConnected = true
                     Timber.d("Mobile data capabilities changed")
                 }
+
                 is NetworkStatus.Unavailable -> {
                     isMobileDataConnected = false
                     Timber.d("Lost mobile data connection")
@@ -188,10 +206,12 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
                     Timber.d("Gained Ethernet connection")
                     isEthernetConnected = true
                 }
+
                 is NetworkStatus.CapabilitiesChanged -> {
                     Timber.d("Ethernet capabilities changed")
                     isEthernetConnected = true
                 }
+
                 is NetworkStatus.Unavailable -> {
                     isEthernetConnected = false
                     Timber.d("Lost Ethernet connection")
@@ -202,45 +222,51 @@ class WireGuardConnectivityWatcherService : ForegroundService() {
 
     private suspend fun watchForWifiConnectivityChanges() {
         wifiService.networkStatus.collect {
-                when (it) {
+            when (it) {
-                    is NetworkStatus.Available -> {
+                is NetworkStatus.Available -> {
-                        Timber.d("Gained Wi-Fi connection")
+                    Timber.d("Gained Wi-Fi connection")
-                        isWifiConnected = true
+                    isWifiConnected = true
-                    }
+                }
-                    is NetworkStatus.CapabilitiesChanged -> {
+
-                        Timber.d("Wifi capabilities changed")
+                is NetworkStatus.CapabilitiesChanged -> {
-                        isWifiConnected = true
+                    Timber.d("Wifi capabilities changed")
-                        currentNetworkSSID = wifiService.getNetworkName(it.networkCapabilities) ?: "";
+                    isWifiConnected = true
-                    }
+                    currentNetworkSSID = wifiService.getNetworkName(it.networkCapabilities) ?: ""
-                    is NetworkStatus.Unavailable -> {
+                }
-                        isWifiConnected = false
+
-                        Timber.d("Lost Wi-Fi connection")
+                is NetworkStatus.Unavailable -> {
-                    }
+                    isWifiConnected = false
+                    Timber.d("Lost Wi-Fi connection")
                 }
             }
         }
+    }
 
     private suspend fun manageVpn() {
-        while(true) {
+        while (true) {
-            if(isEthernetConnected && setting.isTunnelOnEthernetEnabled && vpnService.getState() == Tunnel.State.DOWN) {
+            if (isEthernetConnected && setting.isTunnelOnEthernetEnabled && vpnService.getState() == Tunnel.State.DOWN) {
                 ServiceManager.startVpnService(this, tunnelConfig)
             }
-            if(!isEthernetConnected && setting.isTunnelOnMobileDataEnabled &&
+            if (!isEthernetConnected && setting.isTunnelOnMobileDataEnabled &&
                 !isWifiConnected &&
                 isMobileDataConnected
-                && vpnService.getState() == Tunnel.State.DOWN) {
+                && vpnService.getState() == Tunnel.State.DOWN
+            ) {
                 ServiceManager.startVpnService(this, tunnelConfig)
-            } else if(!isEthernetConnected && !setting.isTunnelOnMobileDataEnabled &&
+            } else if (!isEthernetConnected && !setting.isTunnelOnMobileDataEnabled &&
                 !isWifiConnected &&
-                vpnService.getState() == Tunnel.State.UP) {
+                vpnService.getState() == Tunnel.State.UP
+            ) {
                 ServiceManager.stopVpnService(this)
-            } else if(!isEthernetConnected && isWifiConnected &&
+            } else if (!isEthernetConnected && isWifiConnected &&
                 !setting.trustedNetworkSSIDs.contains(currentNetworkSSID) &&
-                (vpnService.getState() != Tunnel.State.UP)) {
+                (vpnService.getState() != Tunnel.State.UP)
+            ) {
                 ServiceManager.startVpnService(this, tunnelConfig)
-            } else if(!isEthernetConnected && (isWifiConnected &&
+            } else if (!isEthernetConnected && (isWifiConnected &&
                         setting.trustedNetworkSSIDs.contains(currentNetworkSSID)) &&
-                (vpnService.getState() == Tunnel.State.UP)) {
+                (vpnService.getState() == Tunnel.State.UP)
+            ) {
                 ServiceManager.stopVpnService(this)
             }
             delay(Constants.VPN_CONNECTIVITY_CHECK_INTERVAL)

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

@@ -3,17 +3,15 @@ package com.zaneschepke.wireguardautotunnel.service.foreground
 import android.app.PendingIntent
 import android.content.Intent
 import android.os.Bundle
-import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.lifecycleScope
 import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.receiver.NotificationActionReceiver
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
+import com.zaneschepke.wireguardautotunnel.repository.model.TunnelConfig
 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.repository.model.TunnelConfig
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
@@ -23,7 +21,7 @@ import javax.inject.Inject
 @AndroidEntryPoint
 class WireGuardTunnelService : ForegroundService() {
 
-    private val foregroundId = 123;
+    private val foregroundId = 123
 
     @Inject
     lateinit var vpnService : VpnService
@@ -63,7 +61,7 @@ class WireGuardTunnelService : ForegroundService() {
                     }
                 } else {
                     Timber.d("Tunnel config null, starting default tunnel")
-                    val settings = settingsRepo.getAll();
+                    val settings = settingsRepo.getAll()
                     if(settings.isNotEmpty()) {
                         val setting = settings[0]
                         if(setting.defaultTunnel != null && setting.isAlwaysOnVpnEnabled) {

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

@@ -14,7 +14,7 @@ import javax.inject.Inject
 
 class WireGuardNotification @Inject constructor(@ApplicationContext private val context: Context) : NotificationService {
 
-    private val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager;
+    private val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
 
     override fun createNotification(
         channelId: String,

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/shortcut/ShortcutsActivity.kt

@@ -12,9 +12,7 @@ import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceManager
 import com.zaneschepke.wireguardautotunnel.service.foreground.WireGuardTunnelService
 import com.zaneschepke.wireguardautotunnel.util.WgTunnelException
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
@@ -28,7 +26,6 @@ class ShortcutsActivity : ComponentActivity() {
     @Inject
     lateinit var tunnelConfigRepo : TunnelConfigDao
 
-
     private fun attemptWatcherServiceToggle(tunnelConfig : String) {
         lifecycleScope.launch(Dispatchers.Main) {
             val settings = getSettings()
@@ -43,20 +40,28 @@ class ShortcutsActivity : ComponentActivity() {
         if(intent.getStringExtra(CLASS_NAME_EXTRA_KEY)
             .equals(WireGuardTunnelService::class.java.simpleName)) {
             lifecycleScope.launch(Dispatchers.Main) {
-                try {
+                val settings = getSettings()
-                    val settings = getSettings()
+                if(settings.isShortcutsEnabled) {
-                    val tunnelConfig = if(settings.defaultTunnel == null) {
+                    try {
-                        tunnelConfigRepo.getAll().first()
+                        val tunnelName = intent.getStringExtra(TUNNEL_NAME_EXTRA_KEY)
-                    } else {
+                        val tunnelConfig = if(tunnelName != null) {
-                        TunnelConfig.from(settings.defaultTunnel!!)
+                            tunnelConfigRepo.getAll().firstOrNull { it.name == tunnelName }
+                        } else {
+                            if(settings.defaultTunnel == null) {
+                                tunnelConfigRepo.getAll().first()
+                            } else {
+                                TunnelConfig.from(settings.defaultTunnel!!)
+                            }
+                        }
+                        tunnelConfig ?: return@launch
+                        attemptWatcherServiceToggle(tunnelConfig.toString())
+                        when(intent.action){
+                            Action.STOP.name -> ServiceManager.stopVpnService(this@ShortcutsActivity)
+                            Action.START.name -> ServiceManager.startVpnService(this@ShortcutsActivity, tunnelConfig.toString())
+                        }
+                    } catch (e : Exception) {
+                        Timber.e(e.message)
                     }
-                    attemptWatcherServiceToggle(tunnelConfig.toString())
-                    when(intent.action){
-                        Action.STOP.name -> ServiceManager.stopVpnService(this@ShortcutsActivity)
-                        Action.START.name -> ServiceManager.startVpnService(this@ShortcutsActivity, tunnelConfig.toString())
-                    }
-                } catch (e : Exception) {
-                    Timber.e(e.message)
                 }
             }
         }
@@ -72,6 +77,7 @@ class ShortcutsActivity : ComponentActivity() {
         }
     }
     companion object {
+        const val TUNNEL_NAME_EXTRA_KEY = "tunnelName"
         const val CLASS_NAME_EXTRA_KEY = "className"
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tile/TunnelControlTile.kt

@@ -31,7 +31,7 @@ class TunnelControlTile : TileService() {
     @Inject
     lateinit var vpnService : VpnService
 
-    private val scope = CoroutineScope(Dispatchers.Main);
+    private val scope = CoroutineScope(Dispatchers.Main)
 
     private lateinit var job : Job
 
@@ -42,14 +42,6 @@ class TunnelControlTile : TileService() {
         super.onStartListening()
     }
 
-    override fun onTileAdded() {
-        super.onTileAdded()
-        qsTile.contentDescription = this.resources.getString(R.string.toggle_vpn)
-        scope.launch {
-            updateTileState();
-        }
-    }
-
     override fun onTileRemoved() {
         super.onTileRemoved()
         cancelJob()
@@ -65,7 +57,7 @@ class TunnelControlTile : TileService() {
         unlockAndRun {
             scope.launch {
                 try {
-                    val tunnel = determineTileTunnel();
+                    val tunnel = determineTileTunnel()
                     if(tunnel != null) {
                         attemptWatcherServiceToggle(tunnel.toString())
                         if(vpnService.getState() == Tunnel.State.UP) {
@@ -84,23 +76,23 @@ class TunnelControlTile : TileService() {
     }
 
     private suspend fun determineTileTunnel() : TunnelConfig? {
-        var tunnelConfig : TunnelConfig? = null;
+        var tunnelConfig : TunnelConfig? = null
         val settings = settingsRepo.getAll()
         if (settings.isNotEmpty()) {
             val setting = settings.first()
             tunnelConfig = if (setting.defaultTunnel != null) {
-                TunnelConfig.from(setting.defaultTunnel!!);
+                TunnelConfig.from(setting.defaultTunnel!!)
             } else {
-                val configs = configRepo.getAll();
+                val configs = configRepo.getAll()
                 val config  = if(configs.isNotEmpty()) {
-                    configs.first();
+                    configs.first()
                 } else {
                     null
                 }
                 config
             }
         }
-        return tunnelConfig;
+        return tunnelConfig
     }
 
 
@@ -123,13 +115,13 @@ class TunnelControlTile : TileService() {
                     qsTile.state = Tile.STATE_ACTIVE
                 }
                 Tunnel.State.DOWN -> {
-                    qsTile.state = Tile.STATE_INACTIVE;
+                    qsTile.state = Tile.STATE_INACTIVE
                 }
                 else -> {
                     qsTile.state = Tile.STATE_UNAVAILABLE
                 }
             }
-            val config = determineTileTunnel();
+            val config = determineTileTunnel()
             setTileDescription(config?.name ?: this.resources.getString(R.string.no_tunnel_available))
             qsTile.updateTile()
         }
@@ -140,13 +132,13 @@ class TunnelControlTile : TileService() {
             qsTile.subtitle = description
         }
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-            qsTile.stateDescription = description;
+            qsTile.stateDescription = description
         }
     }
 
     private fun cancelJob() {
         if(this::job.isInitialized) {
-            job.cancel();
+            job.cancel()
         }
     }
 }

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

@@ -11,7 +11,6 @@ import com.zaneschepke.wireguardautotunnel.util.NumberUtils
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancel
 import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableSharedFlow
@@ -47,28 +46,36 @@ class WireGuardTunnel @Inject constructor(private val backend : Backend,
     override val handshakeStatus: SharedFlow<HandshakeStatus>
         get() = _handshakeStatus.asSharedFlow()
 
-    private val scope = CoroutineScope(Dispatchers.IO);
+    private val scope = CoroutineScope(Dispatchers.IO)
 
     private lateinit var statsJob : Job
 
 
     override suspend fun startTunnel(tunnelConfig: TunnelConfig) : Tunnel.State{
         return try {
-            if(getState() == Tunnel.State.UP && _tunnelName.value != tunnelConfig.name) {
+            stopTunnelOnConfigChange(tunnelConfig)
-                stopTunnel()
+            emitTunnelName(tunnelConfig.name)
-            }
-            _tunnelName.emit(tunnelConfig.name)
             val config = TunnelConfig.configFromQuick(tunnelConfig.wgQuick)
             val state = backend.setState(
                 this, Tunnel.State.UP, config)
             _state.emit(state)
-            state;
+            state
         } catch (e : Exception) {
             Timber.e("Failed to start tunnel with error: ${e.message}")
             Tunnel.State.DOWN
         }
     }
 
+    private suspend fun emitTunnelName(name : String) {
+        _tunnelName.emit(name)
+    }
+
+    private suspend fun stopTunnelOnConfigChange(tunnelConfig: TunnelConfig) {
+        if(getState() == Tunnel.State.UP && _tunnelName.value != tunnelConfig.name) {
+            stopTunnel()
+        }
+    }
+
     override fun getName(): String {
         return _tunnelName.value
     }
@@ -89,7 +96,7 @@ class WireGuardTunnel @Inject constructor(private val backend : Backend,
     }
 
     override fun onStateChange(state : Tunnel.State) {
-        val tunnel = this;
+        val tunnel = this
         _state.tryEmit(state)
         if(state == Tunnel.State.UP) {
             statsJob = scope.launch {

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

@@ -7,14 +7,10 @@ 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)

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

@@ -1,6 +1,5 @@
 package com.zaneschepke.wireguardautotunnel.ui.common.config
 
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.OutlinedTextField

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

@@ -1,10 +1,12 @@
 package com.zaneschepke.wireguardautotunnel.ui.common.prompt
 
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.Info
@@ -42,14 +44,15 @@ fun CustomSnackBar(
                     if (isRtl) LayoutDirection.Rtl else LayoutDirection.Ltr
         ) {
             Row(
-                modifier = Modifier.fillMaxSize(),
+                modifier = Modifier.width(IntrinsicSize.Max).height(IntrinsicSize.Min),
                 verticalAlignment = Alignment.CenterVertically,
-                horizontalArrangement = Arrangement.SpaceEvenly
+                horizontalArrangement = Arrangement.Start
             ) {
                 Icon(
                     Icons.Rounded.Info,
                     contentDescription = stringResource(R.string.info),
-                    tint = Color.White
+                    tint = Color.White,
+                    modifier = Modifier.padding(end = 10.dp)
                 )
                 Text(message, color = Color.White, modifier = Modifier.padding(end = 5.dp))
             }

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/models/InterfaceProxy.kt

@@ -1,7 +1,6 @@
 package com.zaneschepke.wireguardautotunnel.ui.models
 
 import com.wireguard.config.Interface
-import com.wireguard.config.Peer
 
 data class InterfaceProxy(
     var privateKey : String = "",

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

@@ -81,6 +81,7 @@ import com.zaneschepke.wireguardautotunnel.ui.common.SearchBar
 import com.zaneschepke.wireguardautotunnel.ui.common.config.ConfigurationTextBox
 import com.zaneschepke.wireguardautotunnel.ui.common.prompt.AuthorizationPrompt
 import com.zaneschepke.wireguardautotunnel.ui.common.text.SectionTitle
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import timber.log.Timber
 
@@ -136,11 +137,13 @@ fun ConfigScreen(
     val screenPadding = 5.dp
 
     LaunchedEffect(Unit) {
-        try {
+        scope.launch(Dispatchers.IO) {
-            viewModel.onScreenLoad(id)
+            try {
-        } catch (e : Exception) {
+                viewModel.onScreenLoad(id)
-            showSnackbarMessage(e.message!!)
+            } catch (e : Exception) {
-            navController.navigate(Routes.Main.name)
+                showSnackbarMessage(e.message!!)
+                navController.navigate(Routes.Main.name)
+            }
         }
     }
 
@@ -161,7 +164,7 @@ fun ConfigScreen(
                       },
             onFailure = {
                 showAuthPrompt = false
-                showSnackbarMessage("Authentication failed")
+                showSnackbarMessage(context.getString(R.string.authentication_failed))
             })
     }
 
@@ -245,7 +248,7 @@ fun ConfigScreen(
                             verticalAlignment = Alignment.CenterVertically,
                             horizontalArrangement = Arrangement.SpaceBetween
                         ) {
-                            SearchBar(viewModel::emitQueriedPackages);
+                            SearchBar(viewModel::emitQueriedPackages)
                         }
                         Spacer(Modifier.padding(5.dp))
                         LazyColumn(

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

@@ -27,7 +27,6 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import javax.inject.Inject
 
 @HiltViewModel
@@ -63,14 +62,10 @@ class ConfigViewModel @Inject constructor(private val application : Application,
 
     private lateinit var tunnelConfig: TunnelConfig
 
-    fun onScreenLoad(id : String) {
+    suspend fun onScreenLoad(id : String) {
         if(id != Constants.MANUAL_TUNNEL_CONFIG_ID) {
-            viewModelScope.launch(Dispatchers.IO) {
+            tunnelConfig = getTunnelConfigById(id) ?: throw WgTunnelException("Config not found")
-                tunnelConfig = withContext(this.coroutineContext) {
+            emitScreenData()
-                    getTunnelConfigById(id) ?: throw WgTunnelException("Config not found")
-                }
-                emitScreenData()
-            }
         } else {
             emitEmptyScreenData()
         }

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

@@ -8,9 +8,7 @@ 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.Spacer
 import androidx.compose.foundation.layout.fillMaxHeight
-import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
@@ -110,7 +108,7 @@ fun DetailScreen(
                     })
                     Box(modifier = Modifier.padding(10.dp))
                     tunnel?.peers?.forEach{
-                        val peerKey = it.publicKey.toBase64().toString()
+                        val peerKey = it.publicKey.toBase64()
                         val allowedIps = it.allowedIps.joinToString()
                         val endpoint = if(it.endpoint.isPresent) it.endpoint.get().toString() else stringResource(
                             id = R.string.none

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

@@ -106,7 +106,7 @@ fun MainScreen(
     val haptic = LocalHapticFeedback.current
     val context = LocalContext.current
     val isVisible = rememberSaveable { mutableStateOf(true) }
-    val scope = rememberCoroutineScope()
+    val scope = rememberCoroutineScope { Dispatchers.IO }
 
     val sheetState = rememberModalBottomSheetState()
     var showBottomSheet by remember { mutableStateOf(false) }
@@ -150,7 +150,7 @@ fun MainScreen(
                     val name = it.activityInfo.packageName
                     name.startsWith(Constants.GOOGLE_TV_EXPLORER_STUB) || name.startsWith(Constants.ANDROID_TV_EXPLORER_STUB)
                 }) {
-                throw WgTunnelException("No file explorer installed")
+                throw WgTunnelException(context.getString(R.string.no_file_explorer))
             }
             return intent
         }
@@ -159,8 +159,8 @@ fun MainScreen(
         scope.launch(Dispatchers.IO) {
             try {
                 viewModel.onTunnelFileSelected(data)
-            } catch (e : Exception) {
+            } catch (e : WgTunnelException) {
-                showSnackbarMessage(e.message ?: "Unknown error occurred")
+                showSnackbarMessage(e.message)
             }
         }
     }
@@ -168,10 +168,12 @@ fun MainScreen(
     val scanLauncher = rememberLauncherForActivityResult(
         contract = ScanContract(),
         onResult = {
-            try {
+            scope.launch {
-                viewModel.onTunnelQrResult(it.contents)
+                try {
-            } catch (e: Exception) {
+                    viewModel.onTunnelQrResult(it.contents)
-                showSnackbarMessage(context.getString(R.string.qr_result_failed))
+                } catch (e: WgTunnelException) {
+                    showSnackbarMessage(e.message)
+                }
             }
         }
     )
@@ -198,7 +200,7 @@ fun MainScreen(
                 { Text(text = stringResource(R.string.cancel)) }
             },
             title = { Text(text = stringResource(R.string.primary_tunnel_change)) },
-            text = { Text(text = stringResource(R.string.primary_tunnnel_change_question)) }
+            text = { Text(text = stringResource(R.string.primary_tunnel_change_question)) }
         )
     }
 
@@ -363,12 +365,12 @@ fun MainScreen(
                     RowListItem(icon = {
                         if (settings.isTunnelConfigDefault(tunnel))
                             Icon(
-                                Icons.Rounded.Star, "status",
+                                Icons.Rounded.Star, stringResource(R.string.status),
                                 tint = leadingIconColor,
                                 modifier =  Modifier.padding(end = 10.dp).size(20.dp)
                             )
                         else Icon(
-                            Icons.Rounded.Circle, "status",
+                            Icons.Rounded.Circle, stringResource(R.string.status),
                             tint = leadingIconColor,
                             modifier =  Modifier.padding(end = 15.dp).size(15.dp)
                         )
@@ -433,7 +435,7 @@ fun MainScreen(
                                             onClick = {
                                                 navController.navigate("${Routes.Detail.name}/${tunnel.id}")
                                             }) {
-                                            Icon(Icons.Rounded.Info, "Info")
+                                            Icon(Icons.Rounded.Info, stringResource(R.string.info))
                                         }
                                         IconButton(onClick = {
                                             if (state == Tunnel.State.UP && tunnel.name == tunnelName)

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

@@ -28,6 +28,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import java.io.InputStream
 import java.util.zip.ZipInputStream
 import javax.inject.Inject
@@ -117,32 +118,26 @@ class MainViewModel @Inject constructor(
     }
 
     private fun validateConfigString(config: String) {
-        if (!config.contains(application.getString(R.string.config_validation))) {
+        TunnelConfig.configFromQuick(config)
-            throw WgTunnelException(application.getString(R.string.config_validation))
+    }
+
+    suspend fun onTunnelQrResult(result: String) {
+        try {
+            validateConfigString(result)
+            val tunnelConfig =
+                TunnelConfig(name = NumberUtils.generateRandomTunnelName(), wgQuick = result)
+            addTunnel(tunnelConfig)
+        } catch (e : Exception) {
+            throw WgTunnelException(e)
         }
     }
 
-    fun onTunnelQrResult(result: String) {
+    private suspend fun saveTunnelConfigFromStream(stream: InputStream, fileName: String) {
-        viewModelScope.launch(Dispatchers.IO) {
+        val bufferReader = stream.bufferedReader(charset = Charsets.UTF_8)
-            try {
+        val config = Config.parse(bufferReader)
-                validateConfigString(result)
+        val tunnelName = getNameFromFileName(fileName)
-                val tunnelConfig =
+        addTunnel(TunnelConfig(name = tunnelName, wgQuick = config.toWgQuickString()))
-                    TunnelConfig(name = NumberUtils.generateRandomTunnelName(), wgQuick = result)
+        withContext(Dispatchers.IO) {
-                addTunnel(tunnelConfig)
-            } catch (e: WgTunnelException) {
-                throw WgTunnelException(
-                    e.message ?: application.getString(R.string.unknown_error_message)
-                )
-            }
-        }
-    }
-
-    private fun saveTunnelConfigFromStream(stream: InputStream, fileName: String) {
-        viewModelScope.launch(Dispatchers.IO) {
-            val bufferReader = stream.bufferedReader(charset = Charsets.UTF_8)
-            val config = Config.parse(bufferReader)
-            val tunnelName = getNameFromFileName(fileName)
-            addTunnel(TunnelConfig(name = tunnelName, wgQuick = config.toWgQuickString()))
             stream.close()
         }
     }
@@ -161,9 +156,8 @@ class MainViewModel @Inject constructor(
                 Constants.ZIP_FILE_EXTENSION -> saveTunnelsFromZipUri(uri)
                 else -> throw WgTunnelException(application.getString(R.string.file_extension_message))
             }
-
         } catch (e: Exception) {
-            throw WgTunnelException(e.message ?: "Error importing file")
+            throw WgTunnelException(e)
         }
     }
 
@@ -182,7 +176,7 @@ class MainViewModel @Inject constructor(
         }
     }
 
-    private fun saveTunnelFromConfUri(name : String, uri: Uri) {
+    private suspend fun saveTunnelFromConfUri(name : String, uri: Uri) {
         val stream = getInputStreamFromUri(uri)
         saveTunnelConfigFromStream(stream, name)
     }

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

@@ -15,7 +15,6 @@ import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
@@ -72,9 +71,9 @@ import com.zaneschepke.wireguardautotunnel.ui.common.config.ConfigurationToggle
 import com.zaneschepke.wireguardautotunnel.ui.common.prompt.AuthorizationPrompt
 import com.zaneschepke.wireguardautotunnel.ui.common.text.SectionTitle
 import com.zaneschepke.wireguardautotunnel.util.StorageUtil
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
-import kotlin.math.exp
 
 @OptIn(
     ExperimentalPermissionsApi::class,
@@ -88,7 +87,7 @@ fun SettingsScreen(
     focusRequester: FocusRequester,
 ) {
 
-    val scope = rememberCoroutineScope()
+    val scope = rememberCoroutineScope { Dispatchers.IO }
     val context = LocalContext.current
     val focusManager = LocalFocusManager.current
     val keyboardController = LocalSoftwareKeyboardController.current
@@ -111,14 +110,14 @@ fun SettingsScreen(
     fun exportAllConfigs() {
         try {
             val files = tunnels.map { File(context.cacheDir, "${it.name}.conf") }
-            files.forEachIndexed() { index, file ->
+            files.forEachIndexed { index, file ->
                 file.outputStream().use {
                     it.write(tunnels[index].wgQuick.toByteArray())
                 }
             }
             StorageUtil.saveFilesToZip(context, files)
             didExportFiles = true
-            showSnackbarMessage("Exported configs to downloads")
+            showSnackbarMessage(context.getString(R.string.exported_configs_message))
         } catch (e : Exception) {
             showSnackbarMessage(e.message!!)
         }
@@ -132,7 +131,7 @@ fun SettingsScreen(
                     viewModel.onSaveTrustedSSID(currentText)
                     currentText = ""
                 } catch (e : Exception) {
-                    showSnackbarMessage(e.message ?: "Unknown error")
+                    showSnackbarMessage(e.message ?: context.getString(R.string.unknown_error))
                 }
             }
         }
@@ -223,7 +222,7 @@ fun SettingsScreen(
                 },
             onFailure = {
                 showAuthPrompt = false
-                showSnackbarMessage("Authentication failed")
+                showSnackbarMessage(context.getString(R.string.authentication_failed))
             })
     }
 
@@ -350,6 +349,17 @@ fun SettingsScreen(
                         }
                     }
                 )
+                ConfigurationToggle(
+                    stringResource(R.string.battery_saver),
+                    enabled = !(settings.isAutoTunnelEnabled || settings.isAlwaysOnVpnEnabled),
+                    checked = settings.isBatterySaverEnabled,
+                    padding = screenPadding,
+                    onCheckChanged = {
+                        scope.launch {
+                            viewModel.onToggleBatterySaver()
+                        }
+                    }
+                )
                 ConfigurationToggle(stringResource(R.string.enable_auto_tunnel),
                     enabled = !settings.isAlwaysOnVpnEnabled,
                     checked = settings.isAutoTunnelEnabled,
@@ -357,11 +367,11 @@ fun SettingsScreen(
                     onCheckChanged = {
                         if(!isAllAutoTunnelPermissionsEnabled()) {
                             val message = if(viewModel.isLocationServicesNeeded()){
-                                "Location services required"
+                                context.getString(R.string.location_services_required)
                             } else if(!isBackgroundLocationGranted){
-                                "Background location required"
+                                context.getString(R.string.background_location_required)
                             } else {
-                                "Precise location required"
+                                context.getString(R.string.precise_location_required)
                             }
                             showSnackbarMessage(message)
                         } else scope.launch {
@@ -398,6 +408,16 @@ fun SettingsScreen(
                             }
                         }
                     )
+                    ConfigurationToggle(stringResource(R.string.enabled_app_shortcuts),
+                        enabled = true,
+                        checked = settings.isShortcutsEnabled,
+                        padding = screenPadding,
+                        onCheckChanged = {
+                            scope.launch {
+                                viewModel.onToggleShortcutsEnabled()
+                            }
+                        }
+                    )
                     Row(
                         verticalAlignment = Alignment.CenterVertically,
                         modifier = Modifier
@@ -410,7 +430,7 @@ fun SettingsScreen(
                             onClick = {
                                 showAuthPrompt = true
                             }) {
-                            Text("Export configs")
+                            Text(stringResource(R.string.export_configs))
                         }
                     }
                 }

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

@@ -84,7 +84,7 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
     }
 
     private suspend fun getFirstTunnelConfig() : TunnelConfig {
-        return tunnelRepo.getAll().first();
+        return tunnelRepo.getAll().first()
     }
 
     suspend fun onToggleAlwaysOnVPN() {
@@ -125,4 +125,16 @@ class SettingsViewModel @Inject constructor(private val application : Applicatio
     fun isLocationServicesNeeded() : Boolean {
         return(!isLocationServicesEnabled() && Build.VERSION.SDK_INT > Build.VERSION_CODES.P)
     }
+
+    suspend fun onToggleShortcutsEnabled() {
+        settingsRepo.save(_settings.value.copy(
+            isShortcutsEnabled = !_settings.value.isShortcutsEnabled
+        ))
+    }
+
+    suspend fun onToggleBatterySaver() {
+        settingsRepo.save(_settings.value.copy(
+            isBatterySaverEnabled = !_settings.value.isBatterySaverEnabled
+        ))
+    }
 }

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

@@ -1,3 +1,15 @@
 package com.zaneschepke.wireguardautotunnel.util
 
-class WgTunnelException(message: String) : Exception(message)
+import com.wireguard.config.BadConfigException
+
+class WgTunnelException(e: Exception) : Exception() {
+    constructor(message : String) : this(Exception(message))
+
+    override val message: String = generateExceptionMessage(e)
+    private fun generateExceptionMessage(e : Exception) : String {
+        return when(e) {
+            is BadConfigException -> "${e.section.name} ${e.location.name} ${e.reason.name}"
+            else -> e.message ?: "Unknown error occurred"
+        }
+    }
+}

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

@@ -126,5 +126,16 @@
     <string name="persistent_keepalive">Persistent keepalive</string>
     <string name="cancel">Cancel</string>
     <string name="primary_tunnel_change">Primary tunnel change</string>
-    <string name="primary_tunnnel_change_question">Would you like to make this your primary tunnel?</string>
+    <string name="primary_tunnel_change_question">Would you like to make this your primary tunnel?</string>
+    <string name="authentication_failed">Authentication failed</string>
+    <string name="enabled_app_shortcuts">Enable app shortcuts</string>
+    <string name="export_configs">Export configs</string>
+    <string name="battery_saver">Battery saver (experimental)</string>
+    <string name="location_services_required">Location services required</string>
+    <string name="background_location_required">Background location required</string>
+    <string name="precise_location_required">Precise location required</string>
+    <string name="unknown_error">Unknown error occurred</string>
+    <string name="exported_configs_message">Exported configs to downloads</string>
+    <string name="no_file_explorer">No file explorer installed</string>
+    <string name="status">status</string>
 </resources>

app/src/test/java/com/zaneschepke/wireguardautotunnel/ExampleUnitTest.kt

@@ -1,9 +1,8 @@
 package com.zaneschepke.wireguardautotunnel
 
+import org.junit.Assert.assertEquals
 import org.junit.Test
 
-import org.junit.Assert.*
-
 /**
  * Example local unit test, which will execute on the development machine (host).
  *

gradle/libs.versions.toml

@@ -4,6 +4,7 @@ activityCompose = "1.8.0"
 androidx-junit = "1.1.5"
 appcompat = "1.6.1"
 biometricKtx = "1.2.0-alpha05"
+coreGoogleShortcuts = "1.1.0"
 coreKtx = "1.12.0"
 espressoCore = "3.5.1"
 firebase-crashlytics-gradle = "2.9.9"
@@ -13,20 +14,20 @@ hiltNavigationCompose = "1.0.0"
 junit = "4.13.2"
 kotlinx-serialization-json = "1.5.1"
 lifecycle-runtime-compose = "2.6.2"
-material-icons-extended = "1.5.3"
+material-icons-extended = "1.5.4"
 material3 = "1.1.2"
 navigationCompose = "2.7.4"
-roomVersion = "2.6.0-rc01"
+roomVersion = "2.6.0"
 timber = "5.0.1"
 tunnel = "1.0.20230706"
 androidGradlePlugin = "8.3.0-alpha06"
 kotlin="1.9.10"
 ksp="1.9.10-1.0.13"
-composeBom="2023.10.00"
+composeBom="2023.10.01"
-firebaseBom="32.3.1"
+firebaseBom="32.4.0"
-compose="1.5.3"
+compose="1.5.4"
-crashlytics="18.4.3"
+crashlytics="18.5.0"
-analytics="21.3.0"
+analytics="21.4.0"
 composeCompiler="1.5.3"
 zxingAndroidEmbedded = "4.3.0"
 zxingCore = "3.4.1"
@@ -42,6 +43,8 @@ accompanist-systemuicontroller = { module = "com.google.accompanist:accompanist-
 
 #room
 androidx-biometric-ktx = { module = "androidx.biometric:biometric-ktx", version.ref = "biometricKtx" }
+androidx-core = { module = "androidx.core:core", version.ref = "coreKtx" }
+androidx-core-google-shortcuts = { module = "androidx.core:core-google-shortcuts", version.ref = "coreGoogleShortcuts" }
 androidx-lifecycle-process = { module = "androidx.lifecycle:lifecycle-process", version.ref = "lifecycle-runtime-compose" }
 androidx-lifecycle-service = { module = "androidx.lifecycle:lifecycle-service", version.ref = "lifecycle-runtime-compose" }
 androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "roomVersion" }