GestureTest.java

package com.aincc.libtest.activity;

import android.os.Bundle;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;

import com.aincc.lib.common.BaseActivity;
import com.aincc.lib.common.annotation.InjectView;
import com.aincc.lib.util.Logger;
import com.aincc.libtest.R;

public class GestureTest extends BaseActivity
{
	private static final String LOG = "GESTURE";
	private static final int SWIPE_MIN_DISTANCE = 120;
	private static final int SWIPE_MAX_OFF_PATH = 250;
	private static final int SWIPE_THRESHOLD_VELOCITY = 200;

	private GestureDetector gestureScanner;

	// @InjectView
	// private TextView text;

	@InjectView
	private View topView;

	@InjectView
	private View bottomView;

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

		mappingViews(this);
		initializeUI();
	}

	@Override
	protected void initializeUI()
	{
		super.initializeUI();

		gestureScanner = new GestureDetector(this, gestureListener);
	}

	@Override
	public boolean onTouchEvent(MotionEvent me)
	{
		return gestureScanner.onTouchEvent(me);
	}

	private OnGestureListener gestureListener = new OnGestureListener()
	{

		@Override
		public boolean onSingleTapUp(MotionEvent e)
		{
			Logger.d1(LOG, "onSingleTapUp " + e.getX() + ":" + e.getY());
			return false;
		}

		@Override
		public void onShowPress(MotionEvent e)
		{
			Logger.d1(LOG, "onShowPress " + e.getX() + ":" + e.getY());
		}

		@Override
		public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
		{
			Logger.d1(LOG, "onScroll");
			return false;
		}

		@Override
		public void onLongPress(MotionEvent e)
		{
			Logger.d1(LOG, "onLongPress " + e.getX() + ":" + e.getY());
		}

		@Override
		public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
		{
			Logger.d1(LOG, "onFling");
			try
			{
				if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)
					return false;

				// right to left swipe
				if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY)
				{
					Toast.makeText(getApplicationContext(), "Left Swipe", Toast.LENGTH_SHORT).show();
				}
				// left to right swipe
				else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY)
				{
					Toast.makeText(getApplicationContext(), "Right Swipe", Toast.LENGTH_SHORT).show();
				}
				// down to up swipe
				else if (e1.getY() - e2.getY() > SWIPE_MIN_DISTANCE && Math.abs(velocityY) > SWIPE_THRESHOLD_VELOCITY)
				{
					Toast.makeText(getApplicationContext(), "Swipe up", Toast.LENGTH_SHORT).show();
				}
				// up to down swipe
				else if (e2.getY() - e1.getY() > SWIPE_MIN_DISTANCE && Math.abs(velocityY) > SWIPE_THRESHOLD_VELOCITY)
				{
					Toast.makeText(getApplicationContext(), "Swipe down", Toast.LENGTH_SHORT).show();
				}
			}
			catch (Exception e)
			{

			}
			return false;
		}

		@Override
		public boolean onDown(MotionEvent e)
		{
			Logger.d1(LOG, "onDown " + e.getX() + ":" + e.getY());
			return false;
		}
	};
}