如何设置一个NSView隐藏与可爱的FadeOut动画？ [英] How to set a NSView hidden with FadeOut animation in cocoa?

问题描述

我使用以下代码从CustomView元素隐藏子视图：

I'm hiding a subview from a CustomView element with the following code:

[[[theViewcont subviews] objectAtIndex:0] setHidden:TRUE]

在隐藏此NSVIEW时添加淡入淡出动画？

how can i add a fade animation on hiding this NSVIEW?

推荐答案

找到解决方案 HERE CocoaDev：CoreAnimation

Found the solution HERE CocoaDev:CoreAnimation

所以当你有这样的东西隐藏你的subview： / p>

so when you have something like this to hide your subview:

[[[theViewcont subviews] objectAtIndex:0] setAlphaValue:0.0];

为您添加以下动作添加动画：

to animate that action you just should so the following addition:

[[[[theViewcont subviews] objectAtIndex:0] animator] setAlphaValue:0.0];

所以你有正确的方法来淡出一个子视图Cocoa

so there you have the right way to 'fade out' a subview con Cocoa

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