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[操作系统]iOS 隐藏tabbar


 

 

-(void)viewWillAppear:(BOOL)animated{    NSArray *array=self.tabBarController.view.subviews;    UIView *view=array[2];    view.frame=CGRectMake(0, [UIScreen mainScreen ].bounds.size.height, [UIScreen mainScreen ].bounds.size.width, 49);    [UIView commitAnimations];  }- (void)viewWillDisappear:(BOOL)animated{    NSArray *array=self.tabBarController.view.subviews;    UIView *view=array[2];    view.frame=CGRectMake(0, [UIScreen mainScreen ].bounds.size.height-49, [UIScreen mainScreen ].bounds.size.width, 49);    [UIView commitAnimations];}