@Override protected void onDestroy() { Log.d(TAG, "onDestroy() + " + this.hashCode()); super.onDestroy(); eventBusProvider.getEventBus().unregister(this); RadarBitmapView radarView = (RadarBitmapView) findViewById(R.id.radarView); if (radarView != null) { radarView.releaseBitmap(); } }