iphone - 在 iOS 3 但不是 iOS 4 中的 applicationWillEnterForeground 上的 EXC_BAD_ACCESS

Question

我的应用程序在我的 iOS 上运行良好 4.3.3 iPhone 3GS。当我在 上测试应用程序时3.1.3 iPhone 3G，程序在显示初始图像后立即崩溃。调试器指向我的 Root View Controller 的 awakeFromNib 的最后一个命令:

- (void)awakeFromNib
{
    NSLog(@"awakeFromNib");
    NSLog(@"applicationWillEnterForeground listened");
    [[NSNotificationCenter defaultCenter] addObserver:self 
                                             selector:@selector(applicationWillEnterForeground:)
                                                 name:UIApplicationWillEnterForegroundNotification
                                               object: nil];
}

.

2011-08-09 15:56:24.585 AppName[4401:207] awakeFromNib
2011-08-09 15:56:24.602 AppName[4401:207] applicationWillEnterForeground listened
Program received signal:  “EXC_BAD_ACCESS”.

我应该知道 iOS 3 的唤醒/ sleep 有什么特别之处可以帮助我解决这个问题吗？

Answer 1

来自 iOS 开发者库:

UIApplicationWillEnterForegroundNotification

Posted shortly before an application leaves the background state on its way to becoming the active application. The object of the notification is the UIApplication object. There is no userInfo dictionary.

Availability

Available in iOS 4.0 and later.

这可能会导致 EXEC_BAD_ACCESS。如果删除那行代码，它会崩溃吗？