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How to detect doubletap on a View? [duplicate]

开发者 https://www.devze.com 2022-12-27 10:43 出处:网络
This question already has answers here: Closed 10 years ago. Possible Duplicate: Android - basic g开发者_StackOverflowesture detection
This question already has answers here: Closed 10 years ago.

Possible Duplicate:

Android - basic g开发者_StackOverflowesture detection

I'm trying to have a View sensitive to double taps on an Android. So far, I learned to set up the double tap and know what place to handle the event for action:

API: android.view.GestureDetector.OnDoubleTapListener

    private GestureDetector mGestureDetector;
    …
    mGestureDetector = new GestureDetector(this);
    …
    mGestureDetector.setOnDoubleTapListener(new MyDoubleTapListener());
    …
    private class MyDoubleTapListener implements GestureDetector.OnDoubleTapListener {
    public boolean onDoubleTapEvent(MotionEvent e) {                         
                                    return false;                      
    }
                    @Override
                    public boolean onDoubleTap(MotionEvent e) {
                                    // TODO Auto-generated method stub
                                    return false;
                    }

                    @Override
                    public boolean onSingleTapConfirmed(MotionEvent e) {
                                    // TODO Auto-generated method stub
                                    return false;
                    }
}

But How do I link it to the View? This is in a class that has a few View members.

I'll really appreciate you helping me connect the dots!


Your view needs to implement the onTouchEvent() method, and that method needs to pass the event along to the onTouchEvent() method of the GestureDetector object.

@Override
public boolean onTouchEvent(MotionEvent event) 
{
    Log.v(DEBUG_TAG,"OnTouchEvent !!!");
    boolean result = gestureScanner.onTouchEvent(event);//return the double tap events
    return result;
}
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