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我设置了一个导航控制器作为分割视图控制器的详细视图(NewFeedsNavigationController继承自UINavigationController)。UINavigationController作为UISplitViewController的详细视图
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
masterViewController = [[MasterViewController alloc] initWithStyle:UITableViewStylePlain];
UINavigationController *masterNavigationController = [[UINavigationController alloc] initWithRootViewController:masterViewController];
NewsFeedsNavigationController *newsFeedsNavigationController = [[NewsFeedsNavigationController alloc] initWithCategories];
splitViewController = [[UISplitViewController alloc] init];
masterViewController.splitViewController = splitViewController;
splitViewController.viewControllers = [NSArray arrayWithObjects:masterNavigationController, newsFeedsNavigationController, nil];
splitViewController.delegate = newsFeedsNavigationController;
// Add the split view controller's view to the window and display.
[window addSubview:splitViewController.view];
[window makeKeyAndVisible];
return YES;
}
事实上,导航控制器在纵向方向上出色地工作,但在横向方向上有点怪异。在层次结构中导航(朝向根视图)时,我总是必须在每个视图中点击两次。第一次点击时,可见视图从堆栈弹出,第二次点击导航栏。通常,两者同时发生。我不知道发生了什么问题。