Fix some minor code smells and let auto save run the whole time

src/main/java/de/blau/android/App.java

@@ -207,7 +207,13 @@ public class App extends Application implements android.app.Application.Activity
     protected void attachBaseContext(Context base) {
         super.attachBaseContext(base);
         MultiDex.install(this);
+        setupFST();
+    }
 
+    /**
+     * Setup the FST singleton
+     */
+    private static void setupFST() {
         singletonConf = FSTConfiguration.createAndroidDefaultConfiguration();
         singletonConf.registerSerializer(TreeMap.class, new FSTMapSerializer(), true);
     }
@@ -217,10 +223,7 @@ public void onCreate() {
         ACRA.init(this);
         super.onCreate();
         registerActivityLifecycleCallbacks(this);
-        String appName = getString(R.string.app_name);
-        String appVersion = getString(R.string.app_version);
-        userAgent = appName + "/" + appVersion;
-        currentInstance = this;
+        setupMisc(this);
         setConfiguration(getResources().getConfiguration());
         // register a broadcast receiver for DeX mode
         // this will remain registered as long as the
@@ -234,6 +237,16 @@ public void onCreate() {
         }
     }
 
+    /**
+     * Setup misc singletons
+     */
+    private static void setupMisc(@NonNull App app) {
+        String appName = app.getString(R.string.app_name);
+        String appVersion = app.getString(R.string.app_version);
+        userAgent = appName + "/" + appVersion;
+        currentInstance = app;
+    }
+
     /**
      * Retrieve the saved Configuration object
      * 
@@ -902,11 +915,6 @@ public void onActivityDestroyed(Activity activity) {
             synchronized (this) {
                 propertyEditorRunning = false;
             }
-            return;
-        }
-        if (activity instanceof Main && autosaveFuture != null) {
-            Log.i(DEBUG_TAG, "Cancelling autosave");
-            autosaveFuture.cancel(false);
         }
     }