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Android的String如何实现android：state_focused="true"的引用

1.用了drawable的文件夹下的资源很好.可以设置状态下的不同资源 2.发现text没办法应用喔，请问如何应用。有点像这个，可是不行，是错误的：

Android属性设置android:noHistory="true"

设置 android:noHistory="true"后，该Activity在statck中不留历史痕迹。默认的值是false。举例说明，假设有三个Activity分别是：A，B，C。这三个Activity可以依次顺序启动下一个Activity，比如，在A中做一个Button，用户点击后跳转...

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android:excludeFromRecents="true"

android:excludeFromRecents="true"，设置为true后，当用户按了“最近任务列表”时候，该Task不会出现在最近任务列表中，可达到隐藏应用的目的。

设置android:clearTaskOnLaunch="true"属性对Activity行为的影响

设置android:clearTaskOnLaunch="true"属性对Activity启动运行行为的影响假设有A,B两个Activity，在AndroidManifest.xml中将A Activity的设置了android:clearTaskOnLaunch="true"。然后A中的...

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更新时间 2023-01-15 03:17:56

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