int mLastMotionX, mLastMotionY;
	boolean isLongPress;
	boolean isMoved;
	Runnable mLongPressRunnable;

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

		mLongPressRunnable = new Runnable() {
			@Override
			public void run() {
				handler.sendMessage(handler.obtainMessage(Util.LONG_PRESS));
			}
		};
	}

	private Handler handler = new Handler(new Callback() {

		@Override
		public boolean handleMessage(Message msg) {
			// TODO Auto-generated method stub
			switch (msg.what) {
			case Util.LONG_PRESS:
				// new AlertDialog.Builder(MainActivity.this)
				// .setMessage("this is " + in1[currentViewTagPosition])
				// .setPositiveButton("OK", null).show();
				new AlertDialog.Builder(MainActivity.this).setMessage("Test")
						.setPositiveButton("OK", null).show();
				break;
			default:
				break;
			}
			return false;
		}
	});

	@Override
	public boolean dispatchTouchEvent(MotionEvent event) {
		// TODO Auto-generated method stub
		int x = (int) event.getX(0);
		int y = (int) event.getY(0);
		switch (event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			isLongPress = false;
			isMoved = false;
			mLastMotionX = x;
			mLastMotionY = y;
			handler.postDelayed(mLongPressRunnable, 1000);
			break;
		case MotionEvent.ACTION_MOVE:
			if (isMoved)
				break;
			if (Math.abs(mLastMotionX - x) > Util.TOUCH_RANGE
					|| Math.abs(mLastMotionY - y) > Util.TOUCH_RANGE) {
				isMoved = true;
				handler.removeCallbacks(mLongPressRunnable);
			}
			break;
		case MotionEvent.ACTION_UP:
			handler.removeCallbacks(mLongPressRunnable);
			break;
		default:
			break;
		}
		return super.dispatchTouchEvent(event);
	}