iOS 隐藏自定义tabbar

iOS  隐藏自定义tabbar

-(void)viewWillAppear:(BOOL)animated
{
 
    NSArray *array=self.tabBarController.view.subviews;
 
    UIView *view=array[];
 
    view.frame=CGRectMake(, [UIScreen mainScreen ].bounds.size.height, [UIScreen mainScreen ].bounds.size.width, );
 
    [UIView commitAnimations];
 
}
 
- (void)viewWillDisappear:(BOOL)animated
{
 
    NSArray *array=self.tabBarController.view.subviews;
 
    UIView *view=array[];
 
    view.frame=CGRectMake(, [UIScreen mainScreen ].bounds.size.height-, [UIScreen mainScreen ].bounds.size.width, );
 
    [UIView commitAnimations];
}