iOS 解决自定义TabBar使用popToRootViewControllerAnimated重叠问题

解决方法一:

在自定义的NavigationController中添加如下代码:

 (void)viewDidLoad{  
    [super viewDidLoad];  
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(removeTabBarBtn) name:@"removeTabBarBtn" object:nil];  
}  
  
- (void)removeTabBarBtn  
{  
//    NSArray *tSubviews = self.tabBarController.tabBar.subviews;  
//    for (int i = 0; i < tSubviews.count; i++) {  
//        Class parentVCClass = [tSubviews[i] class];  
//        NSString *className = NSStringFromClass(parentVCClass);  
//        ALog(@"%d---%@",i, className);  
//      
//    }  
      
    for (UIView *tabBar in self.tabBarController.tabBar.subviews) {  
        if ([tabBar isKindOfClass:NSClassFromString(@"UITabBarButton")]) {  
            [tabBar removeFromSuperview];  
        }  
    }  
}  
  
  
-(void)dealloc  
{  
    [[NSNotificationCenter defaultCenter]removeObserver:self name:@"removeTabBarBtn" object:nil];  
}  

并且在调用popToRootViewControllerAnimated方法的viewController中发出通知:

[self.navigationController popToRootViewControllerAnimated:NO];  
[[NSNotificationCenter defaultCenter] postNotificationName:@"removeTabBarBtn" object:nil userInfo:nil];  

解决方法二:

(该方法更为简单)苹果强大就强大在这里,他们已经预想到了。

所以方法就是:遵循UINavigationController的代理,用代理方法解决该Bug,代码如下:

设置代理:

- (void)viewDidLoad{  
    [super viewDidLoad];  
    self.delegate = self;  
}  
 

实现代理方法:

 
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated  
{  
    // 删除系统自带的tabBarButton  
    for (UIView *tabBar in self.tabBarController.tabBar.subviews) {  
        if ([tabBar isKindOfClass:NSClassFromString(@"UITabBarButton")]) {  
            [tabBar removeFromSuperview];  
        }  
    }  
}  

原文链接:iOS自定义TabBar使用popToRootViewControllerAnimated重叠问题解决

posted @ 2017-04-14 17:27  听风gcl  阅读(1333)  评论(0编辑  收藏  举报