UINavigationController不起作用（pushViewController忽略该视图）
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UINavigationController
pushViewController
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
[window addSubview:navController.view];
[window makeKeyAndVisible];
LoginController *login = (LoginController*)[self.navController.viewControllers objectAtIndex:0];
if([login already_validated] == TRUE) {
self.timeline = [[TimelineViewController alloc] initWithNibName:@\"Timeline\" bundle:[NSBundle mainBundle]];
[navController pushViewController:timeline animated:YES];
[self.timeline release];
}
return YES;
self.timeline = [[TimelineViewController alloc] initWithNibName:@\"Timeline\" bundle:[NSBundle mainBundle]];
[navController pushViewController:timeline animated:YES];
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！内存管理是通过setter方法完成的！ 代替：写：通常，您使用方法执行此操作。 在您的情况下，只需删除行或根本不使用任何属性。 编辑： 添加自动发布：屉杆绊
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [window addSubview:navController.view]; [window makeKeyAndVisible]; LoginController *login = (LoginController*)[navController.viewControllers objectAtIndex:0];//here remove self if([login already_validated] == TRUE) { self.timeline = [[TimelineViewController alloc] initWithNibName:@\"Timeline\" bundle:nil];//remove the nsbundle mainbundle [navController pushViewController:self.timeline animated:YES];//here u have to use with self.timeline [self.timeline release]; } return YES;