ios - shouldSelectViewController 没有被调用

Question

我正在尝试调用我的 shouldSelectViewController 委托(delegate)函数。但它似乎不起作用。

我做了以下操作，但函数仍然没有被调用

.h

@interface myAppDelegate : UIResponder <UIApplicationDelegate, UITabBarControllerDelegate>

@property (strong, nonatomic) UIWindow *window;

@end

.m

@implementation TakeFiveCameraAppDelegate

@synthesize window;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{   
    UITabBarController *tabBarController = (UITabBarController *)self.window.rootViewController;
    tabBarController.delegate = (id)self;
    return YES;
}

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController {
    NSLog(@"test");
    return YES;
}

@end

我不确定我在这里遗漏了什么。

Answer 1

加入viewDidLoad

[ self 设置委托(delegate): self ];