可能重复：
iOS 升级后应用程序崩溃
我将设备从 iOS 5.1.0 升级到 iOS 5.1.1。升级后，我的应用程序在单击应用程序图标时崩溃。这可能是什么原因？
我在我的应用程序中使用以下存储。- 使用 NSUserDefaults 在应用启动时读取值。- 使用钥匙串存储用户凭据。- iOS 升级时用户默认设置和钥匙串是否受到影响。
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This is most likely happening because Apple changed the internal structure of the views. I have seen this when you loop through the subview and Apple made any significant changes to the view all that code is not going to work. Something similar is happening in your case.
This is what I would do, run application on your phone from xcode and keep breakpoints on, it should help you to narrow down the problem.
于 2012-05-21T14:35:14.740 回答