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什麼是android:persistent =「true」屬性?Android持久性的用途是什麼?
<application
android:fullBackupContent="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:persistent="true"
android:largeHeap="true"
android:supportsRtl="true"
android:theme="@style/AppTheme1">
</application>
https://developer.android.com/guide/topics/manifest/application-element.html –