Android:使用动画显示/隐藏视图 [英] Android: show/hide a view using an animation

问题描述

我一直在这里浏览许多Google搜索结果/问题，以确定如何通过垂直动画显示/隐藏视图，但是我似乎找不到一个完全正确或不太模糊的视图.

I've been looking through many google results / questions on here to determine how to show/hide a view via a vertical animation, but I can't seem to find one that's exactly right or not too vague.

我有一个布局(撤消栏)，该布局在另一个布局之下，在多个其他小部件之上；此撤消栏应根据情况垂直滑动打开和关闭.

I have a layout (undo bar) that's below another layout and above multiple other widgets; this undo bar should vertically slide open and slide closed, depending on the circumstances.

目前，我现在所做的所有操作都是将视图设置为可见或消失.

Currently all I do right now is set the view to be visible or gone.

推荐答案

设置属性 android:animateLayoutChanges="true" 在父布局内​​.

Set the attribute android:animateLayoutChanges="true" inside the parent layout .

如果视图未放置在布局中，则将该视图设置为android:animateLayoutChanges="true".

Put the view in a layout if its not and set android:animateLayoutChanges="true" for that layout.

注意:这仅在API Level 11+(Android 3.0)中有效

NOTE: This works only from API Level 11+ (Android 3.0)

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