@Override protected void onDestroy() { logger.d("message_activity#onDestroy:%s", this); historyTimes = 0; imServiceConnector.disconnect(this); EventBus.getDefault().unregister(this); adapter.clearItem(); albumList.clear(); sensorManager.unregisterListener(this, sensor); ImageMessage.clearImageMessageList(); unregisterReceiver(receiver); super.onDestroy(); }