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iOS 隐藏和显示tabbar

iOS 隐藏和显示tabbar

作者: Levan_li | 来源:发表于2020-11-26 16:17 被阅读0次

    tabbar 上无法使用autolayout

    - (void)hideTabBar {
        if (self.tabBarController.tabBar.hidden == YES) {
            return;
        }
        UIView *contentView;
        if ( [[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]] )
            contentView = [self.tabBarController.view.subviews objectAtIndex:1];
        else
            contentView = [self.tabBarController.view.subviews objectAtIndex:0];
        contentView.frame = CGRectMake(contentView.bounds.origin.x,  contentView.bounds.origin.y,  contentView.bounds.size.width, contentView.bounds.size.height + self.tabBarController.tabBar.frame.size.height);
        self.tabBarController.tabBar.hidden = YES;
    }
    
    - (void)showTabBar
    {
        if (self.tabBarController.tabBar.hidden == NO)
        {
            return;
        }
        UIView *contentView;
        if ([[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]])
            contentView = [self.tabBarController.view.subviews objectAtIndex:1];
        else
            contentView = [self.tabBarController.view.subviews objectAtIndex:0];
        contentView.frame = CGRectMake(contentView.bounds.origin.x, contentView.bounds.origin.y,  contentView.bounds.size.width, contentView.bounds.size.height - self.tabBarController.tabBar.frame.size.height);
        self.tabBarController.tabBar.hidden = NO;
    }
    

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