iPhoneOS 3.0 中基于自动旋转 UINavigationController 的应用程序
我有一个应用程序，其代码如下：
window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // UIWindow *window;
viewController = [TopicsViewController new]; //TopicsViewController *viewController; //This is a UITableViewController
navigationController = [UINavigationController new]; // UINavigationController *navigationController;
UIImageView *background = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"background.png"]];
[self.navigationController.view addSubview:background];
[self.navigationController.view sendSubviewToBack:background];
[navigationController pushViewController:viewController animated:YES];
[window addSubview:[navigationController view]];
[window makeKeyAndVisible];
基本上我正在使用 UINavigationController，然后推送 UITableViewController 或有时推送 UIViewController。 UIViewController 包含 UITextView、UIImage、UIScrollView 等元素。问题是我一直在尝试让这个应用程序响应 iPhone 旋转，例如，当处于横向状态时，应用程序应该切换到横向，反之亦然，但到目前为止没有任何效果。
I have an application which have code like:
window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // UIWindow *window;
viewController = [TopicsViewController new]; //TopicsViewController *viewController; //This is a UITableViewController
navigationController = [UINavigationController new]; // UINavigationController *navigationController;
UIImageView *background = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"background.png"]];
[self.navigationController.view addSubview:background];
[self.navigationController.view sendSubviewToBack:background];
[navigationController pushViewController:viewController animated:YES];
[window addSubview:[navigationController view]];
[window makeKeyAndVisible];
Basically i am using UINavigationController and then push UITableViewController or sometime a UIViewController. UIViewController contain elements such as UITextView, UIImage, UIScrollView. Problem is i have been trying to make this application respond to iphone rotation e.g. when held in landscape, application should switch to landscape and vice versa, but nothing works so far.
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您需要在 UIViewController 子类中实现 shouldAutorotateToInterfaceOrientation。这会起作用（大多数时候）。
You need to implement shouldAutorotateToInterfaceOrientation in your UIViewController subclasses. That will work (most of the time).