Implement direct boot awareness for tile service

mobile/src/main/AndroidManifest.xml

@@ -39,12 +39,15 @@
             </intent-filter>
         </activity>
 
-        <service android:name=".RepeaterService">
+        <service
+            android:name=".RepeaterService"
+            android:directBootAware="true">
         </service>
         <service android:name=".TetheringService">
         </service>
         <service
             android:name=".RepeaterTileService"
+            android:directBootAware="true"
             android:icon="@drawable/ic_quick_settings_tile_off"
             android:label="@string/title_repeater"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">

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

@@ -1,8 +1,11 @@
 package be.mygod.vpnhotspot
 
+import android.annotation.SuppressLint
 import android.app.Application
+import android.content.Context
 import android.content.SharedPreferences
 import android.content.res.Configuration
+import android.os.Build
 import android.os.Handler
 import android.preference.PreferenceManager
 import android.support.annotation.StringRes
@@ -12,12 +15,17 @@ class App : Application() {
     companion object {
         const val ACTION_CLEAN_ROUTINGS = "be.mygod.vpnhotspot.CLEAN_ROUTINGS"
 
+        @SuppressLint("StaticFieldLeak")
         lateinit var app: App
     }
 
     override fun onCreate() {
         super.onCreate()
         app = this
+        if (Build.VERSION.SDK_INT >= 24) {
+            deviceContext = createDeviceProtectedStorageContext()
+            deviceContext.moveSharedPreferencesFrom(this, PreferenceManager.getDefaultSharedPreferencesName(this))
+        } else deviceContext = this
         ServiceNotification.updateNotificationChannels()
     }
 
@@ -26,8 +34,9 @@ class App : Application() {
         ServiceNotification.updateNotificationChannels()
     }
 
+    lateinit var deviceContext: Context
     val handler = Handler()
-    val pref: SharedPreferences by lazy { PreferenceManager.getDefaultSharedPreferences(this) }
+    val pref: SharedPreferences by lazy { PreferenceManager.getDefaultSharedPreferences(deviceContext) }
 
     fun toast(@StringRes resId: Int) = handler.post { Toast.makeText(this, resId, Toast.LENGTH_SHORT).show() }
 }

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

@@ -43,9 +43,10 @@ fun loggerSuStream(command: String): InputStream? {
     val process = try {
         ProcessBuilder("su", "-c", command)
                 .redirectErrorStream(true)
-                .directory(app.cacheDir)
+                .directory(app.deviceContext.cacheDir)
                 .start()
     } catch (e: IOException) {
+        e.printStackTrace()
         return null
     }
     try {