它仅发生在3GS、4或3G上是可以的。
似乎每次摄像头被关闭时，视图控制器都会被调用。
对此有什么想法吗？
它是Iphone，系统调用view，当我执行
[自我呈现ModalViewController:picker1动画：是]；
我不希望系统否定我的观点。我做了一个〔self.view retain〕，但没用。
viewDidLoad可以被多次调用。如果iPhone需要内存，它会释放视图，然后在下次显示时重新构建。这很正常——你不能只依靠一次调用。在再次调用之前，您应该得到一个viewDidUnload调用。
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我希望我与四舍五入的累进角进行网上讨论。
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