UIScrollView相关 - Githubissues

jiangleligejiang / JNote

记录相关日常笔记

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UIScrollView相关 #22

Closed jiangleligejiang closed 5 years ago

jiangleligejiang commented 5 years ago

UIScrollView添加点击事件

实现UIGestureRecognizerDelegate协议中的方法：
(BOOL)gestureRecognizer:(UIGestureRecognizer )gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer )otherGestureRecognizer { return YES; }

添加UITapGestureRecognizer

UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didPressedScrollView:)];
[scrollView addGestureRecognizer:tap];

jiangleligejiang commented 5 years ago

frame.size和contentSize的区别

frame.size表示为视图的真正大小
contentSize表示为视图内容的大小，其中包括可见和不可见部分