Extract string resources

mobile/src/main/java/be/mygod/vpnhotspot/App.kt

@@ -5,6 +5,7 @@ import android.app.Application
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.SharedPreferences
+import android.content.res.Configuration
 import android.os.Build
 import android.preference.PreferenceManager
 
@@ -16,10 +17,19 @@ class App : Application() {
     override fun onCreate() {
         super.onCreate()
         app = this
+        updateNotificationChannels()
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration?) {
+        super.onConfigurationChanged(newConfig)
+        updateNotificationChannels()
+    }
+
+    private fun updateNotificationChannels() {
         if (Build.VERSION.SDK_INT >= 26) @TargetApi(26) {
             val nm = getSystemService(NotificationManager::class.java)
             nm.createNotificationChannel(NotificationChannel(RepeaterService.CHANNEL,
-                    "Repeater Service", NotificationManager.IMPORTANCE_LOW))
+                    getText(R.string.notification_channel_repeater), NotificationManager.IMPORTANCE_LOW))
             nm.deleteNotificationChannel("hotspot") // remove old service channel
         }
     }