ios – 隐藏导航栏和标签栏后,UICollectionView框架发生了变化

概述我正在尝试保留我用作照片库的集合视图的框架.但是在视图中隐藏UITabBarController和UINavigationController之后,它的框架会发生变化. 这是我用来隐藏两者的代码： - (void)hideTabBar:(UITabBarController *) tabbarcontroller{ [UIView beginAnimations:nil context: 我正在尝试保留我用作照片库的集合视图的框架.但是在视图中隐藏UITabbarController和UINavigationController之后,它的框架会发生变化.

这是我用来隐藏两者的代码：

- (voID)hIDeTabbar:(UITabbarController *) tabbarcontroller{    [UIVIEw beginAnimations:nil context:NulL];    [UIVIEw setAnimationDuration:0];    if(IS_IPHONE_5)    {        for(UIVIEw *vIEw in tabbarcontroller.vIEw.subvIEws)        {            if([vIEw isKindOfClass:[UITabbar class]])            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,568,vIEw.frame.size.wIDth,vIEw.frame.size.height)];            }            else            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,vIEw.frame.origin.y,568)];            }        }    }    else    {        for(UIVIEw *vIEw in tabbarcontroller.vIEw.subvIEws)        {            if([vIEw isKindOfClass:[UITabbar class]])            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,480,480)];            }        }    }    [UIVIEw commitAnimations];}- (voID)showTabbar:(UITabbarController *) tabbarcontroller{    [UIVIEw beginAnimations:nil context:NulL];    [UIVIEw setAnimationDuration:0];    if(IS_IPHONE_5)    {        for(UIVIEw *vIEw in tabbarcontroller.vIEw.subvIEws)        {            if([vIEw isKindOfClass:[UITabbar class]])            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,519,vIEw.frame.size.height)];            }            else            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,519)];            }        }    }    else    {        for(UIVIEw *vIEw in tabbarcontroller.vIEw.subvIEws)        {            if([vIEw isKindOfClass:[UITabbar class]])            {                [vIEw setFrame:CGRectMake(vIEw.frame.origin.x,431,431)];            }        }    }    [UIVIEw commitAnimations];}- (voID)hIDeNavbar:(UINavigationController *) navbarController{    [UIVIEw beginAnimations:nil context:NulL];    [UIVIEw setAnimationDuration:0];    [self.navigationController setNavigationbarHIDden:YES];    [UIVIEw commitAnimations];}- (voID)showNavbar:(UINavigationController *) navbarController{    [UIVIEw beginAnimations:nil context:NulL];    [UIVIEw setAnimationDuration:0];   [self.navigationController setNavigationbarHIDden:NO];    [UIVIEw commitAnimations];}

这是我的问题的图像：

非常感谢你的帮助

解决方法 我假设您正在使用ScrollVIEw来呈现照片.我在视图控制器中遇到了类似问题和设置
self.automaticallyAdjustsScrollVIEwInsets = NO;
应该有所帮助

Default value is YES,which allows the vIEw controller to adjust its scroll vIEw insets in response to the screen areas consumed by the status bar,navigation bar,and toolbar or tab bar. Set to NO if you want to manage scroll vIEw inset adjustments yourself…

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