Swipe screen left right top bottom

In This example creating a Swipe screen example .Swipe screen left / right / top / bottom , an alert will show.

File : AndroidMainifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.android.swipe"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="8" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:label="@string/app_name"
            android:name="com.androidexample.swipescreen.SwipeScreenExample" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

File : src/SwipeScreenExample.java

Create touch event with the use of SimpleGestureFilter class object

import com.android.swipe.R;
import com.androidexample.swipescreen.SimpleGestureFilter.SimpleGestureListener;
import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.widget.Toast;

public class SwipeScreenExample extends Activity implements SimpleGestureListener{
		    private SimpleGestureFilter detector;
		 
		@Override
		    public void onCreate(Bundle savedInstanceState) {
		        super.onCreate(savedInstanceState);
		        setContentView(R.layout.swipe_screen);
		 
		        // Detect touched area 
		        detector = new SimpleGestureFilter(this,this);
		}
		 
    @Override
    public boolean dispatchTouchEvent(MotionEvent me){
    	// Call onTouchEvent of SimpleGestureFilter class
         this.detector.onTouchEvent(me);
       return super.dispatchTouchEvent(me);
    }
	@Override
	 public void onSwipe(int direction) {
	  String str = "";
	 
	  switch (direction) {
	 
	  case SimpleGestureFilter.SWIPE_RIGHT : str = "Swipe Right";
	                                           break;
	  case SimpleGestureFilter.SWIPE_LEFT :  str = "Swipe Left";
	                                                 break;
	  case SimpleGestureFilter.SWIPE_DOWN :  str = "Swipe Down";
	                                                 break;
	  case SimpleGestureFilter.SWIPE_UP :    str = "Swipe Up";
	                                                 break;
	 
	  }
	   Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
	 }
	 
	 @Override
	 public void onDoubleTap() {
	    Toast.makeText(this, "Double Tap", Toast.LENGTH_SHORT).show();
	 }
		 
  }

File : src/SimpleGestureFilter.java

import android.app.Activity;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;

public class SimpleGestureFilter extends SimpleOnGestureListener{
	 
	     public final static int SWIPE_UP    = 1;
		 public final static int SWIPE_DOWN  = 2;
		 public final static int SWIPE_LEFT  = 3;
		 public final static int SWIPE_RIGHT = 4;
		 
		 public final static int MODE_TRANSPARENT = 0;
		 public final static int MODE_SOLID       = 1;
		 public final static int MODE_DYNAMIC     = 2;
		 
		 private final static int ACTION_FAKE = -13; //just an unlikely number
		 private int swipe_Min_Distance = 100;
		 private int swipe_Max_Distance = 350;
		 private int swipe_Min_Velocity = 100;
	 
	 private int mode             = MODE_DYNAMIC;
	 private boolean running      = true;
	 private boolean tapIndicator = false;
	 
	 private Activity context;
	 private GestureDetector detector;
	 private SimpleGestureListener listener;
	 
	 public SimpleGestureFilter(Activity context,SimpleGestureListener sgl) {
	 
	  this.context = context;
	  this.detector = new GestureDetector(context, this);
	  this.listener = sgl;
	 }
	 
	 public void onTouchEvent(MotionEvent event){
	 
	   if(!this.running)
	  return; 
	 
	   boolean result = this.detector.onTouchEvent(event);
	 
	   if(this.mode == MODE_SOLID)
	    event.setAction(MotionEvent.ACTION_CANCEL);
	   else if (this.mode == MODE_DYNAMIC) {
	 
	     if(event.getAction() == ACTION_FAKE)
	       event.setAction(MotionEvent.ACTION_UP);
	     else if (result)
	       event.setAction(MotionEvent.ACTION_CANCEL);
	     else if(this.tapIndicator){
	      event.setAction(MotionEvent.ACTION_DOWN);
	      this.tapIndicator = false;
	     }
	 
	   }
	   //else just do nothing, it's Transparent
	 }
	 
	 public void setMode(int m){
	  this.mode = m;
	 }
	 
	 public int getMode(){
	  return this.mode;
	 }
	 
	 public void setEnabled(boolean status){
	  this.running = status;
	 }
	 
	 public void setSwipeMaxDistance(int distance){
	  this.swipe_Max_Distance = distance;
	 }
	 
	 public void setSwipeMinDistance(int distance){
	  this.swipe_Min_Distance = distance;
	 }
	 
	 public void setSwipeMinVelocity(int distance){
	  this.swipe_Min_Velocity = distance;
	 }
	 
	 public int getSwipeMaxDistance(){
	  return this.swipe_Max_Distance;
	 }
	 
	 public int getSwipeMinDistance(){
	  return this.swipe_Min_Distance;
	 }
	 
	 public int getSwipeMinVelocity(){
	  return this.swipe_Min_Velocity;
	 }
	 
	 @Override
	 	 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
	 	   float velocityY) {
	 	 
	 	  final float xDistance = Math.abs(e1.getX() - e2.getX());
	 	  final float yDistance = Math.abs(e1.getY() - e2.getY());
	 	 
	 	  if(xDistance > this.swipe_Max_Distance || yDistance > this.swipe_Max_Distance)
	 	   return false;
	 	 
	 	  velocityX = Math.abs(velocityX);
	 	  velocityY = Math.abs(velocityY);
	 	        boolean result = false;
	 	 
	 	  if(velocityX > this.swipe_Min_Velocity && xDistance > this.swipe_Min_Distance){
	 	   if(e1.getX() > e2.getX()) // right to left
	 	    this.listener.onSwipe(SWIPE_LEFT);
	 	   else
	 	    this.listener.onSwipe(SWIPE_RIGHT);
	 	 
	 	   result = true;
	 	  }
	 	  else if(velocityY > this.swipe_Min_Velocity && yDistance > this.swipe_Min_Distance){
	 	   if(e1.getY() > e2.getY()) // bottom to up
	 	    this.listener.onSwipe(SWIPE_UP);
	 	   else
	 	    this.listener.onSwipe(SWIPE_DOWN);
	 	 
	 	   result = true;
	 	  }
	 	 
		   return result;
	 	 }
	 
	 @Override
	 public boolean onSingleTapUp(MotionEvent e) {
	  this.tapIndicator = true;
	  return false;
	 }
	 
	 @Override
	 public boolean onDoubleTap(MotionEvent arg) {
	  this.listener.onDoubleTap();;
	  return true;
	 }
	 
	 @Override
	 public boolean onDoubleTapEvent(MotionEvent arg) {
	  return true;
	 }
	 
	 @Override
	 public boolean onSingleTapConfirmed(MotionEvent arg) {
	 
	  if(this.mode == MODE_DYNAMIC){        // we owe an ACTION_UP, so we fake an
	     arg.setAction(ACTION_FAKE);      //action which will be converted to an ACTION_UP later.
	     this.context.dispatchTouchEvent(arg);
	  }  
	 
	  return false;
	 }
	 
	    static interface SimpleGestureListener{
	     void onSwipe(int direction);
	     void onDoubleTap();
	 }
	 
	}