size classes 部分兼容 iOS7 的话，有关 trait collection 的 api 怎么办？

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RT

所有 trait collection 的api都是 iOS8 的

trait

ios8

iOS7

7 replies • 2015-07-10 21:43:53 +08:00

110293734

Jul 10, 2015

size classes 貌似是 IOS 8 才有的吧

georgetso

Jul 10, 2015

@110293734 有条件地向后兼容

Jul 10, 2015

一直对这种兼容的问题非常头疼

georgetso

Jul 10, 2015

@pH 没办法，我们又不是老板

Jul 10, 2015

@georgetso 还好啦。没要兼容iOS6

georgetso

Jul 10, 2015

@pH 原计划是兼容 iOS6，我好说歹说，然后把苹果官网的系统采样率找出来，才说服老板

wezzard

Jul 10, 2015

iOS 7 連 dynamic framework 都沒有