@Override
 protected void onCreate(Bundle savedInstanceState) {
   isHome = true;
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_home);
   ButterKnife.bind(this);
   manager = getSupportFragmentManager();
   init();
   setTabSelection(0);
 }
 @Override
 public void handleMessage(Message msg) {
   super.handleMessage(msg);
   isExit = false;
 }