I have a listview which I personalized and I added setOnItemLongClickListener()
which worked well. Then I decided to implement a gesture listView.setOnTouchListener(new OnSwipeTouchListener())
which also works well. I copied the OnSwipetouchListener
class from another post.
The thing is that when I added the swipe listener the longPress didn't work anymore. I guess it's because the swipe listener takes the longpress actions for itself and doesn't allow longPress to do anything.
What I want to do:
The swipe listener gets everything below 2 seconds, after that everything goes to longpress. So I can still change the listview content by a swipe gesture and I can also create functions for each listitem.
My code:
public class OnSwipeTouchListener implements OnTouchListener {
private final GestureDetector gestureDetector = new GestureDetector(new GestureListener());
public boolean onTouch(final View v, final MotionEvent event) {
//super.onTouch(v, event);
return gestureDetector.onTouchEvent(event);
}
private final class GestureListener extends SimpleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 100;
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
boolean result = false;
try {
float diffY = e2.getY() - e1.getY();
float diffX = e2.getX() - e1.getX();
if (Math.abs(diffX) > Math.abs(diffY)) {
if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
if (diffX > 0) {
onSwipeRight();
} else {
onSwipeLeft();
}
}
} else {
if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
if (diffY > 0) {
onSwipeBottom();
} else {
onSwipeTop();
}
}
}
} catch (Exception exception) {
exception.printStackTrace();
}
return result;
}
...methods...
}
Remove the onDown method. Right now that is always returning true and preventing the longPress from being handled.