Double-tapping in Android can be identified using the GestureDetector class. The GestureDetector class provides methods for detecting gestures such as double-tap, long press, fling, and scroll. To detect double-tapping, you need to create an instance of GestureDetector and implement the OnDoubleTapListener interface. The gesture detector will then listen for double-tap events and invoke the onDoubleTap() method when a double-tap is detected. Here is an example code snippet:
GestureDetector gd = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onDoubleTap(MotionEvent e) {
// Double tap detected
return super.onDoubleTap(e);
}
});
// Pass touch events to the gesture detector
@Override
public boolean onTouchEvent(MotionEvent event) {
gd.onTouchEvent(event);
return super.onTouchEvent(event);
}
In this example, the onDoubleTap() method is called when the user double-taps the screen. You can perform any action you want inside this method.
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Asked: 2022-08-27 11:00:00 +0000
Seen: 16 times
Last updated: Aug 21 '22
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