打开theme修改状态栏为可见。

 

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Base application theme. -->
    <style name="Base.Theme.MyApplication" parent="Theme.AppCompat.DayNight">
        <!-- Customize your light theme here. -->
        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
    </style>

    <style name="Theme.MyApplication" parent="Base.Theme.MyApplication" />
</resources>

报错：Installation did not succeed. The application could not be installed: INSTALL_FAILED_ABORTED  List of apks: [0] 'D:\06_03_Android_development\project_0\app\build\intermediates\apk\debug\app-debug.apk' Installation failed due to: 'INSTALL_FAILED_ABORTED: U......

如果运行真机可以删掉真机应用后，重新运行。或者使用虚拟机。