请写出下面代码输出结果是怎么样的。 public clas

public class MainThreadTestActivity extends AppCompatActivity {

  private static final String TAG = MainThreadTestActivity.class.getSimpleName();

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main_thread_test);

    View view = new View(this);
    view.post(new Runnable() {
      @Override
      public void run() {
        Log.i(TAG, "[view.post] >>>> 1 ");
      }
    });

    new Handler(Looper.getMainLooper()).post(new Runnable() {
      @Override
      public void run() {
        Log.i(TAG, "[handler.post] >>>> 2");
      }
    });

    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        Log.i(TAG, "[runOnUiThread] >>>>> 3");
      }
    });

    new Thread(new Runnable() {
      @Override
      public void run() {
        runOnUiThread(new Runnable() {
          @Override
          public void run() {
            Log.i(TAG, "[runOnUiThread from thread] >>>> 4");
          }
        });
      }
    }).start();
  }
}