How to set file read and write permissions in Android 12
In the Android 12 system, in order to ensure the security and privacy protection of user data, applications have more strictly managed the read and write permissions of files. This article will introduce how to set file read and write permissions in Android 12 and provide the corresponding source code.
1. Request file read and write permissions
In the AndroidManifest.xml file, you need to declare the application for file read and write permissions in the application's code manifest. <manifest>Add the following code under the label :
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name