Iphone 在带有按钮的UINavigationBar中添加子视图不会';行不通
我有一个UINavigationController子类,在viewDidLoad中我有以下代码:Iphone 在带有按钮的UINavigationBar中添加子视图不会';行不通,iphone,ios,objective-c,ipad,Iphone,Ios,Objective C,Ipad,我有一个UINavigationController子类,在viewDidLoad中我有以下代码: self.containerView_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, self.navigationController.navigationBar.frameHeight)]; [self.containerView_ setBackgroundColor:[UIColor yellowColor]];
self.containerView_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, self.navigationController.navigationBar.frameHeight)];
[self.containerView_ setBackgroundColor:[UIColor yellowColor]];
[self.containerView_ setAutoresizingMask:UIViewAutoresizingNone];
self.profileButton_ = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 30, 30)];
[self.profileButton_ addTarget:self action:@selector(showProfileView:) forControlEvents:UIControlEventTouchUpInside];
[self.profileButton_ setCenterY:self.navigationController.navigationBar.frameHeight/2];
[self.profileButton_ setImage:[UIImage imageNamed:@"profile_icon.png"] forState:UIControlStateNormal];
self.socialButton_ = [[UIButton alloc] initWithFrame:CGRectMake(self.profileButton_.frameRight + 10, 0, 30, 30)];
[self.socialButton_ addTarget:self action:@selector(showSocialView:) forControlEvents:UIControlEventTouchUpInside];
[self.socialButton_ setCenterY:self.profileButton_.centerY];
[self.socialButton_ setImage:[UIImage imageNamed:@"social_icon.png"] forState:UIControlStateNormal];
self.notesButton_ = [[UIButton alloc] initWithFrame:CGRectMake(self.socialButton_.frameRight + 10, 0, 30, 30)];
[self.notesButton_ addTarget:self action:@selector(showNotesView:) forControlEvents:UIControlEventTouchUpInside];
[self.notesButton_ setCenterY:self.profileButton_.centerY];
[self.notesButton_ setImage:[UIImage imageNamed:@"notes_icon.png"] forState:UIControlStateNormal];
[self.containerView_ addSubview:self.profileButton_];
[self.containerView_ addSubview:self.notesButton_];
[self.containerView_ addSubview:self.socialButton_];
[self.navigationBar addSubview:self.containerView_];
我可以看到UIButton,但容器背景甚至不是黄色。当我按下按钮时,不会调用UIButton的操作。知道这是为什么吗?您正在子类化UINavigationController 引用Apple的话:“这个类不是用来子类化的。” 调整UINavController的常用方法是从包含的UIViewController的特定位置访问导航栏。您可以将目标/操作方法放在UIViewController中