Android Open Source - qcn Simple On Gesture Listener With Double Tap Support

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License

The source code is released under:

GNU General Public License

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Java Source Code

package zsoltmester.qcn.ui;
/*w  ww . j  a v a 2s.co m*/
import android.view.MotionEvent;

import zsoltmester.qcn.tools.Logger;

import static android.view.GestureDetector.SimpleOnGestureListener;

public class SimpleOnGestureListenerWithDoubleTapSupport extends SimpleOnGestureListener {

  private Logger logger = Logger.createWithLogTag(SimpleOnGestureListenerWithDoubleTapSupport.class.getSimpleName());
  private OnDoubleTapListener onDoubleTapListener;

  private SimpleOnGestureListenerWithDoubleTapSupport(OnDoubleTapListener onDoubleTapListener) {
    this.onDoubleTapListener = onDoubleTapListener;
  }
  
  public static SimpleOnGestureListener createWithOnDoubleTapListener(OnDoubleTapListener onDoubleTapListener) {
    return new SimpleOnGestureListenerWithDoubleTapSupport(onDoubleTapListener);
  }

  @Override
  public boolean onDown(MotionEvent e) {
    return true;
  }

  @Override
  public boolean onDoubleTap(MotionEvent e) {
    logger.log("onDoubleTap");
    onDoubleTapListener.onDoubleTap();
    return true;
  }

  public interface OnDoubleTapListener {
    public void onDoubleTap();
  }
}

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