UIViewController 的 present 动画内部是如何实现的 - V2EX
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hyyy
V2EX    iDev

UIViewController 的 present 动画内部是如何实现的

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  •   hyyy Nov 7, 2016 3576 views
    This topic created in 3496 days ago, the information mentioned may be changed or developed.

    最近对 UIViewController 的过场动画比较感兴趣,自己也模拟了几次,但结果都没有系统自带的那么柔和,请问有没有大神知道 present 的过场动画内部是如何实现的,最好有代码实例参考参考,谢谢!!

    2 replies    2016-11-07 16:15:10 +08:00
    sunhr
        1
    sunhr  
       Nov 7, 2016   1
    iOS7 刚刚发布的时候有抓过 UIViewnimation 的 curve ,值为 7 ,这是一条很优雅的曲线

    所以,在你的 UIViewAnimation 的 option 中,传入 7 << 16 试试,使用这条曲线的时候, duration 的值会被忽略
    sunhr
        2
    sunhr  
       Nov 7, 2016
    或者你可以使用 SpringAnimation ,参数要慢慢调
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