public void onPause() {
   prefs.unregisterOnSharedPreferenceChangeListener(this);
   super.onPause();
   if (!app.getRecorderCtx().isRunning() && !exit && !preferences) app.notificationShow();
   preferences = false;
 }
 public void onResume() {
   prefs.registerOnSharedPreferenceChangeListener(this);
   super.onResume();
   if (!app.getRecorderCtx().isRunning()) app.getNfyHelper().hide();
 }