应用程序窗口应在应用程序启动结束时具有根视图控制器 [英] Application windows are expected to have a root view controller at the end of application launch occured

问题描述

我的应用启动时出现上述错误。以下代码来自我的AppDelegate .h文件

Getting the above error when my app launches. The following code is from my AppDelegate .h File

#import <UIKit/UIKit.h>

@interface TableViewAppDelegate : NSObject <UIApplicationDelegate> {

UIWindow *window;
UINavigationController *navigationController;
}

@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet UINavigationController *navigationController;

@end

以下内容来自我的AppDelegate实施文件.m applicationdidfinishlaunchingwithoptions

The following is from my AppDelegate implementation file .m applicationdidfinishlaunchingwithoptions

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

//Configure and show the window
[window addSubview:[navigationController view]];

[window makeKeyAndVisible];

return YES;
}

推荐答案

在你的app delegate中添加这个：

add this in your app delegate:

self.window.rootViewController = navigationController;

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