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How to realize the function of long pressing gesture by UILongPressGestureRecognizer

2025-04-06 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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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]

}

}

At this point, I believe you have a deeper understanding of "how to achieve long-press gesture function in UILongPressGestureRecognizer". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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