Moved screen off handling to application

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -24,7 +24,10 @@ import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationChannelGroup;
 import android.app.NotificationManager;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.webkit.CookieManager;
@@ -107,6 +110,8 @@ public class ApplicationEx extends Application {
         WorkerWatchdog.init(this);
         WorkerCleanup.queue(this);
 
+        registerReceiver(onScreenOff, new IntentFilter(Intent.ACTION_SCREEN_OFF));
+
         long end = new Date().getTime();
         Log.i("App created " + (end - start) + " ms");
     }
@@ -412,4 +417,13 @@ public class ApplicationEx extends Application {
             }
         });
     }
+
+    private BroadcastReceiver onScreenOff = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            Log.i("Received " + intent);
+            Log.logExtras(intent);
+            Helper.clearAuthentication(ApplicationEx.this);
+        }
+    };
 }

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -148,7 +148,6 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
         iif.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
         iif.addAction(Intent.ACTION_AIRPLANE_MODE_CHANGED);
         registerReceiver(connectionChangedReceiver, iif);
-        registerReceiver(onScreenOff, new IntentFilter(Intent.ACTION_SCREEN_OFF));
 
         DB db = DB.getInstance(this);
 
@@ -582,7 +581,6 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
         prefs.unregisterOnSharedPreferenceChangeListener(this);
 
-        unregisterReceiver(onScreenOff);
         unregisterReceiver(connectionChangedReceiver);
 
         ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
@@ -1683,15 +1681,6 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
         }
     };
 
-    private BroadcastReceiver onScreenOff = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            Log.i("Received " + intent);
-            Log.logExtras(intent);
-            Helper.clearAuthentication(ServiceSynchronize.this);
-        }
-    };
-
     private class MediatorState extends MediatorLiveData<List<TupleAccountNetworkState>> {
         boolean running = true;
         private ConnectionHelper.NetworkState lastNetworkState = null;