是否有建议的方法来创建页面比 UISrollView 边界更宽的分页 UIScrollView?
我需要这样的东西。
在 page2 和分页模式下正常滚动,页面边缘有“橡皮筋”效果。
分页效果对我来说看起来有点复杂,如果你快速滑动,你会进入下一页,如果你滑动缓慢,你会在边缘看到新页面,并且只有在某个点之后页面才会更改。
也许有人可以阐明处理此问题的方法,仅使用 UIScrollViewDelegate 方法是否可以实现这一点,还是我必须子类化?
最佳答案
我印象深刻。这实际上比我一开始想象的要容易得多。
简单的解决方案是将每个页面封装在非分页 ScrollView 中。并做了。无需实现 UIScrollViewDelegate,无需子类化。额外三行代码
对于常规尺寸的页面,我有这样的内容:
UIView *myCustomView = [[[UIView alloc] initWithFrame:CGRectMake(totalWidth, 0, width, height)] autorelease];
[mainScroller addSubview:myCustomView];
totalWidth += width;
现在我有这个:
UIView *myCustomView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, bigWidth, height)] autorelease];
UIScrollView *secondaryScroller = [[[UIScrollView alloc] initWithFrame:CGRectMake(totalWidth, 0, width, height)] autorelease];
[secondaryScroller setContentSize:myCustomView.frame.size];
[secondaryScroller addSubview:myCustomView];
[mainScroller addSubview:secondaryScroller];
totalWidth += width;
三行。太棒了。
<小时/>View 层次结构:
<UIScrollView: 0x4b32eb0; frame = (0 0; 768 1004); clipsToBounds = YES; autoresize = W+H; layer = <CALayer: 0x4b32d00>; contentOffset: {0, 0}>
| <UIScrollView: 0x4b32710; frame = (0 0; 768 1004); clipsToBounds = YES; layer = <CALayer: 0x4b35580>; contentOffset: {0, 0}>
| | <UIView: 0x4b33f70; frame = (0 0; 1352 1004); layer = <CALayer: 0x4b16c20>>
| <UIScrollView: 0x4b34790; frame = (768 0; 768 1004); clipsToBounds = YES; layer = <CALayer: 0x4b33e10>; contentOffset: {0, 0}>
| | <UIView: 0x4b30fa0; frame = (0 0; 789 1004); layer = <CALayer: 0x4b329f0>>
| <UIScrollView: 0x4b34920; frame = (1536 0; 768 1004); clipsToBounds = YES; layer = <CALayer: 0x4b33180>; contentOffset: {0, 0}>
| | <UIView: 0x4b30d00; frame = (0 0; 1398 1004); layer = <CALayer: 0x4b33120>>
| <UIScrollView: 0x4b31fe0; frame = (2304 0; 768 1004); clipsToBounds = YES; layer = <CALayer: 0x4b32170>; contentOffset: {0, 0}>
| | <UIView: 0x4b34c50; frame = (0 0; 863 1004); layer = <CALayer: 0x4b31f80>>
| <UIScrollView: 0x4b32460; frame = (3072 0; 768 1004); clipsToBounds = YES; layer = <CALayer: 0x4b325f0>; contentOffset: {0, 0}>
| | <UIView: 0x4b323d0; frame = (0 0; 1064 1004); layer = <CALayer: 0x4b32400>>
关于iphone - 如何创建具有 "oversized"页面的分页UIScrollView,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5704138/