long downTime = SystemClock.uptimeMillis();
long eventTime = SystemClock.uptimeMillis();
MotionEvent down_event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_DOWN, 0,0, 0);
MotionEvent up_event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP, 0, 0, 0);
yourWidget.dispatchTouchEvent(down_event);
yourWidget.dispatchTouchEvent(up_event);
유용한링크