如何同时滑入/滑出状态栏和导航栏?

How to slide in/out statusBar and navigationBar simultaneously?(如何同时滑入/滑出状态栏和导航栏?)

问题描述

我想使用幻灯片效果同时显示和隐藏状态栏和导航栏.

I'd like to show and hide the statusBar and the navigationBar simultaneously using a slide effect.

我就是这样尝试的:

[[UIApplication sharedApplication] setStatusBarHidden:hide withAnimation:UIStatusBarAnimationSlide];
[self.navigationController setNavigationBarHidden:hide animated:animated];

但是，两个动画的持续时间是不一样的.状态栏动画需要更长的时间.我发现无法指定任一动画的持续时间.我错过了什么明显的东西吗?

However, the duration of both animation is not the same. The status bar animation takes longer. I found no way how to specify the duration of either animation. Did I miss something obvious?

推荐答案

显然，没有简单的解决方案可以做到这一点.苹果必须修复它.

Clearly, there's no easy solution to do this right. Apple has to fix it.

当然，一种解决方法是按照 Ephraim 的建议使用 alpha 衰减.如果您坚持滑动行为，我发现最好只为导航栏设置动画并隐藏/显示状态栏而不使用任何动画.这看起来比滑动状态栏要好得多，因为动画期间状态栏之间的间隙非常明显.

Of course, one work-around is to use alpha fading as Ephraim suggests. If you're insisting on the sliding behavior, I found it best to just animate the navigation bar and hide/show the statusBar without any animation. This looks much better than sliding the status bar because the gap between the bars during the animation is quite noticeable.

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