CalledFromWrongThreadException:Only the original thread that created a view hier

06-22 15:59:46.239: ERROR/AndroidRuntime(5118):
Caused by: android.view.ViewRoot$CalledFromWrongThreadException:Only the original thread that created a view hierarchy can touch its views.

mHandler.sendEmptyMessageDelayed(0, 500);//0,是case 0:..... ,,500是延迟500ms执行
----

private Handler mHandler = new Handler() {

  @Override
  public void handleMessage(Message msg) {
   // TODO Auto-generated method stub
   super.handleMessage(msg);
   switch (msg.what) {
   case 0: {
    break;
   }
   }
  }

 };