本文介绍了动态更改用于导航控制器的rootviewcontroller的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试在 didFinishLaunchingWithOptions 中的 NavigationController 中更改 RootViewController .
但是我不知道该怎么办.
I'm trying to change RootViewController for NavigationController in didFinishLaunchingWithOptions.
But I don't know how can I do that.
这是我在 didFinishLaunchingWithOptions 中的代码:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
UIViewController *rootController=[[HomePageController alloc] initWithNibName:@"HomePageController" bundle:nil];
navigationController=[[UINavigationController alloc] initWithRootViewController:rootController];
// presentation=[[PresentationController alloc]initWithNibName:@"PresentationController" bundle:nil];
//
// navigationController=[[UINavigationController alloc]initWithRootViewController:presentation];
//
// presentationList=[[PresentationListController alloc]initWithNibName:@"PresentationListController" bundle:nil];
//
// UINavigationController *listnavigation = [[UINavigationController alloc] initWithRootViewController:presentationList];
//
// revealer=[[ZUUIRevealController alloc]initWithFrontViewController:navigationController rearViewController:listnavigation];
[self.window addSubview:navigationController.view];
[self.window makeKeyAndVisible];
return YES;
}
现在我发表评论，然后运行应用程序以更改 rootviewcontroller .但这不是实际的方法.
Right now I comment and then run application to change rootviewcontroller. However this is not the practical approach.
任何帮助将不胜感激.
推荐答案
代替此:
[self.window addSubview:navigationController.view];
输入:
self.window.rootViewController = navigationController;
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