application windows are expected to have a root view controller

最新推荐文章于 2017-08-29 11:41:47 发布
原创 最新推荐文章于 2017-08-29 11:41:47 发布 · 719 阅读 · 0 ·
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#iOS

本文探讨了iOS应用程序中出现的一种常见崩溃情况，即当applicationwindows期待拥有一个rootviewcontroller时出现的问题。文中指出了两种可能导致此问题的原因：一是不当使用setrootviewcontroller设置根视图控制器；二是设置rootcontroller后没有立即返回YES。此外，还特别提到了在didFinishLaunchingWithOptions中执行异步请求并尝试根据请求结果设置不同根视图的情况可能会导致应用崩溃。

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application windows are expected to have a root view controller，奔溃，可能原因：1不能用setrootviewcontroller设置根目录，2在设置rootcontroller后，必须紧跟return yes，请注意，或许会有某些自动登录在didFinishLaunchingWithOptions里进行，根据请求成功与失败设置不同的根目录，这样是行不通的，因为你在进行异步请求时，就执行了return 语句，此时就报错，除非是同步，你懂得。
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Application windows are expected to have a root view controller at the end of appliaction launch.
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