隐藏TabBar的一些方法小结

最新推荐文章于 2024-11-13 09:47:41 发布

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最新推荐文章于 2024-11-13 09:47:41 发布

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分类专栏： ios相关技术

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本文介绍如何在iOS应用中灵活隐藏TabBar的方法，包括使用WebViewController、系统方法、自定义tabBar以及类似方法3的实现细节。通过实例演示不同场景下的隐藏策略，助开发者轻松管理UI布局。

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在项目中经常遇到隐藏tabBar,实力很多种方法，可以解决不同情况下问题

1：//隐藏tabBar
    WebViewController *webVc = [[WebViewController alloc] init];
    webVc.hidesBottomBarWhenPushed = YES;
    [self.navigationController pushViewController:webVc animated:YES];
    webVc.hidesBottomBarWhenPushed = NO;
    [webVc release];
2.系统方法    self.hidesBottomBarWhenPushed = YES;

3:自定义tabBar时候，由tabBarController管理的

//隐藏tabBar
- (void) hideTabBar:(BOOL) hidden{

    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0];

    for(UIView *view in self.tabBarController.view.subviews)
    {
        if([view isKindOfClass:[UITabBar class]])
        {
            if (hidden) {
                [view setFrame:CGRectMake(view.frame.origin.x, iphone5?568:480, view.frame.size.width, view.frame.size.height)];
            } else {
                [view setFrame:CGRectMake(view.frame.origin.x, iphone5?568-49:480-49, view.frame.size.width, view.frame.size.height)];
            }
        }
        else
        {
            if (hidden) {
                [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, iphone5?568:480)];
            } else {
                [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, iphone5?568-49:480-49)];
            }
        }
    }

    [UIView commitAnimations];
}
调整子视图
for (UIView *subView in self.view.subviews) {
        if ([subView isKindOfClass:NSClassFromString(@"UITransitionView")]) {
            //调整子视图的高度，UITransitionView视图为UINavitaionController的根视图
            //            subView.frame = CGRectMake(subView.frame.origin.x, subView.frame.origin.y, subView.frame.size.width, 480);

            CGRect frame = subView.frame;
            frame.size.height = 480;
            subView.frame = frame;
        }
    }
4：类似方法3
- (void)makeTabBarHidden:(BOOL)hide
{
    if ( [self.tabBarController.view.subviews count] < 2 )
    {
        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];
    }
    //    [UIView beginAnimations:@"TabbarHide" context:nil];
    if ( hide )
    {
        contentView.frame = self.tabBarController.view.bounds;
    }
    else
    {
        contentView.frame = CGRectMake(self.tabBarController.view.bounds.origin.x,
                                       self.tabBarController.view.bounds.origin.y,
                                       self.tabBarController.view.bounds.size.width,
                                       self.tabBarController.view.bounds.size.height - self.tabBarController.tabBar.frame.size.height);
    }

    self.tabBarController.tabBar.hidden = hide;
}