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This article mainly explains "how to achieve long-press gesture function in UILongPressGestureRecognizer". Friends who are interested may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to achieve the function of long-pressing gestures in UILongPressGestureRecognizer".

UILongPressGestureRecognizer * longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector (handleLongpressGesture:)]

Set the time to be triggered by a long gesture

LongPressGesture.minimumPressDuration = 1

[redView addGestureRecognizer:longPressGesture]

[longPressGesture release]

Long gestures may trigger twice (start contact and end contact), so long gestures to judge the status

-(void) handleLongpressGesture: (UILongPressGestureRecognizer *) longPressGesture

{

Triggered when a long press gesture is recognized (triggered after a long press time arrives)

If (UIGestureRecognizerStateBegan = = longPressGesture.state) {

LongPressGesture.view.backgroundColor = [UIColor random]

}

}

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