Final commit

All changes included

Improvements

-Reformatted code wherever required
-Only active wifi connections trigger events
-Improve sync reliability
-Removed extra permission

Minor Changes

-Refactored 2 variables for easier readbility
-Wifi-Only-Sync is now enabled by default

OpenKeychain/src/main/res/xml/sync_preferences.xml

@@ -3,6 +3,12 @@
         android:key="syncKeyserver"
         android:persistent="false"
         android:title="@string/label_sync_settings_keyserver_title"/>
+    <SwitchPreference
+        android:key="enableWifiSyncOnly"
+        android:defaultValue="true"
+        android:persistent="true"
+        android:dependency="syncKeyserver"
+        android:title="@string/label_sync_settings_wifi_title"/>
     <SwitchPreference
         android:key="syncContacts"
         android:persistent="false"