Android中设置activity的background为Wallpaper

Android中设置activity的background为Wallpaper代码：<activity android:name=".ui.ChangeSkin" android:label="@string/color_setting" android:theme="@android:style/Theme.Wallpaper" /> 在activity标签中添加主题属性android:theme="@android:style/Theme.Wallpaper"另外常用的还有android:theme="@android:style/Theme.Translucent"