[英]how to show tabbar controller into next View
我在AppDelegate中有一個TabBar控制器,然后在TabBar上有導航控制器。 但是當我將導航控制器推到其他視圖控制器而又保留在TabBar的第一個tabItem上時,我遇到了問題。
我的AppDelegate.h是:
@interface IlmStreamAppDelegate : NSObject <UIApplicationDelegate,UINavigationControllerDelegate,UINavigationControllerDelegate>
{
UIWindow *window;
UITabBarController *rootViewController;
UINavigationController *_navController;
}
@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet UITabBarController *rootViewController;
@property (nonatomic, retain) UINavigationController *navController;
@end
我的AppDelegate.m是:
#import "IlmStreamAppDelegate.h"
@implementation IlmStreamAppDelegate
@synthesize window;
@synthesize rootViewController;
@synthesize navController;
#pragma mark -
#pragma mark Application lifecycle
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
[rootViewController setTitle:@"Categories"];
_navController = [[UINavigationController alloc] initWithRootViewController:rootViewController];
[window addSubview:_navController.view];
[self.window makeKeyAndVisible];
return YES;
}
@end
您可以編寫一個自定義XXTabBarController(UIViewController的普通子類),可以將其推入導航控制器堆棧,但仍具有“視圖控制器”的所有功能。每個“選項卡”都有其自己的視圖控制器。
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