Android添加觸摸手勢識別監聽

import android.content.Context; 
import android.view.MotionEvent; 
import android.view.GestureDetector.SimpleOnGestureListener; 
import android.widget.Toast;

public class MyGestureListener extends SimpleOnGestureListener {

private Context mContext; 

MyGestureListener(Context context) { 
    mContext = context; 
} 

@Override 
public boolean onDown(MotionEvent e) { 
    Toast.makeText(mContext, "DOWN " + e.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public void onShowPress(MotionEvent e) { 
    Toast.makeText(mContext, "SHOW " + e.getAction(), Toast.LENGTH_SHORT).show();            
} 

@Override 
public boolean onSingleTapUp(MotionEvent e) { 
    Toast.makeText(mContext, "SINGLE UP " + e.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public boolean onScroll(MotionEvent e1, MotionEvent e2, 
        float distanceX, float distanceY) { 
    Toast.makeText(mContext, "SCROLL " + e2.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public void onLongPress(MotionEvent e) { 
    Toast.makeText(mContext, "LONG " + e.getAction(), Toast.LENGTH_SHORT).show(); 
} 

@Override 
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, 
        float velocityY) { 
    Toast.makeText(mContext, "FLING " + e2.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public boolean onDoubleTap(MotionEvent e) { 
    Toast.makeText(mContext, "DOUBLE " + e.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public boolean onDoubleTapEvent(MotionEvent e) { 
    Toast.makeText(mContext, "DOUBLE EVENT " + e.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

@Override 
public boolean onSingleTapConfirmed(MotionEvent e) { 
    Toast.makeText(mContext, "SINGLE CONF " + e.getAction(), Toast.LENGTH_SHORT).show(); 
    return false; 
} 

}
package noodies.blog.csdn.net;
import android.app.Activity; 
import android.os.Bundle; 
import android.view.GestureDetector; 
import android.view.MotionEvent;
public class GestureTestActivity extends Activity { 
    private GestureDetector mGestureDetector;

@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 

    mGestureDetector = new GestureDetector(this, new MyGestureListener(this)); 
} 

@Override 
public boolean onTouchEvent(MotionEvent event) { 
    return mGestureDetector.onTouchEvent(event); 
} 

}</pre>