ios 6 iPhone window.rootViewController崩溃了

Question

我的应用程序适用于iPad和iPhone上的iOS 5.1。在iOS 6应用程序在iPad上工作正常，但在设置window.rootViewController = navigationViewController时在iPhone中崩溃。我设置了Exception断点，它在application didFinishLaunchingWithOptions的这段代码中停止执行。我甚至尝试将其添加为[window addSubView:navigationViewController.view]，但没有运气。有没有人遇到过类似的问题。

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:    (NSDictionary *)launchOptions
{
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
     rootViewController = [[SpringboardViewController alloc] initWithNibName:@"SpringboardViewController" bundle:nil];   
     UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:rootViewController];

    self.window.rootViewController = nav;
    self.window makeKeyAndVisible];
    return YES;
}

Answer 1

你可以写一个例外吗？

看看这些问题

applications expected to have a root view controller console

Applications are expected to have a root view controller at the end of application launch

Answer 2

感谢您的回复，我发现了问题，问题在于application supportedInterfaceOrientationsForWindow我返回UIInterfaceOrientationPortrait而不是UIInterfaceOrientationMaskPortrait，因为app调试器被自我击中了。 window.rootViewController = nav ，我认为这个陈述存在问题。

感谢Ravindharan和Ogres。