Android Peek Drawer

private static final int PEEK_DRAWER_TIME_SECONDS = 2;
private long downTime;
private long eventTime;
private float x = 0.0f;
private float y = 100.0f;
private int metaState = 0;

protected void peekDrawer() {
    downTime = SystemClock.uptimeMillis();
    eventTime = SystemClock.uptimeMillis() + 100;
    MotionEvent motionEvent = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_DOWN, x, y, metaState);
    mDrawerLayout.dispatchTouchEvent(motionEvent);
    motionEvent.recycle();

    new Handler().postDelayed(new Runnable() {
      @Override
      public void run() {
        downTime = SystemClock.uptimeMillis();
        eventTime = SystemClock.uptimeMillis() + 100;
        MotionEvent motionEvent = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP, x, y, metaState);
        mDrawerLayout.dispatchTouchEvent(motionEvent);
        motionEvent.recycle();
      }
    }, (long) (PEEK_DRAWER_TIME_SECONDS * DateUtils.SECOND_IN_MILLIS));
  }