自动为布局更新添加动画效果
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根据您的偏好保存内容并对其进行分类。
Android 提供了在您更改布局时运行的预加载动画。在
以告知 Android 系统为这些布局变化添加动画效果,并执行系统默认
动画效果
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以下是向列表添加项时的默认布局动画效果:
创建布局
在您的 activity 的布局 XML 文件中,设置 android:animateLayoutChanges
属性
更改为 true
,以便为其启用动画的布局:
<LinearLayout android:id="@+id/container"
android:animateLayoutChanges="true"
...
/>
为布局添加、更新或移除项目
在布局中添加、移除或更新项后,系统会自动为这些项添加动画效果:
Kotlin
lateinit var containerView: ViewGroup
...
private fun addItem() {
val newView: View = ...
containerView.addView(newView, 0)
}
Java
private ViewGroup containerView;
...
private void addItem() {
View newView;
...
containerView.addView(newView, 0);
}
本页面上的内容和代码示例受内容许可部分所述许可的限制。Java 和 OpenJDK 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2024-08-23。
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"没有我需要的信息"
},{
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},{
"type": "thumb-down",
"id": "outOfDate",
"label":"内容需要更新"
},{
"type": "thumb-down",
"id": "translationIssue",
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"id": "samplesCodeIssue",
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}]
{"lastModified": "\u6700\u540e\u66f4\u65b0\u65f6\u95f4 (UTC)\uff1a2024-08-23\u3002"}
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