Android 10：删除被权限拒绝：android.permission.ACCESS_MEDIA_PROVIDER
我的项目中的目标 SDK 是 31，当我尝试从 DCIM 目录中删除文件时，出现以下错误，例如 删除被权限拒绝：android.permission.ACCESS_MEDIA_PROVIDER。 请考虑这样的文件路径：“/storage/emulated/0/DCIM/Screenshots/pic1.jpg”
我已经尝试了很多方法来找到每个地方的结果，包括堆栈溢出，但没有成功然而。即使我将目标 SDK 更改为更低的 30 但也不起作用。
以下是我已经研究过的解决方案，但没有任何效果：
1.manifest 文件中的标志
android:requestLegacyExternalStorage="true"
android:preserveLegacyExternalStorage="true"
2.manifest 文件中的权限
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxSdkVersion="40"
tools:replace="android:maxSdkVersion" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission
android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
tools:ignore="ScopedStorage" />
请查找随附的代码
val fileToDelete = File("/storage/emulated/0/DCIM/Screenshots/pic1.jpg")
fileToDelete.delete()
注意：文件路径被硬编码只是为了更好地解释
请查找附加日志
2022-03-21 11:22:35.331 8639-20226/com.filepickerdemo D/ContentResolver: delete denied by permission:android.permission.ACCESS_MEDIA_PROVIDER#content://media/external/images/media#_data = ?#/storage/emulated/0/DCIM/Screenshots/pic1.jpg
我还应该在代码中添加什么来解决此问题。提前致谢。
Target SDK in my project is 31 and when I'm trying to delete a file from DCIM directory, I'm getting following error such as delete denied by permission:android.permission.ACCESS_MEDIA_PROVIDER.
Please consider file path like this: "/storage/emulated/0/DCIM/Screenshots/pic1.jpg"
I have tried so much to find the result every where including stack overflow, but didn't succeeded yet. Even I changed target SDK to lower 30 but not worked.
Following are the solutions that I had already worked on but nothing works:
1.flags in manifest file
android:requestLegacyExternalStorage="true"
android:preserveLegacyExternalStorage="true"
2.permissions in manifest file
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxSdkVersion="40"
tools:replace="android:maxSdkVersion" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission
android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
tools:ignore="ScopedStorage" />
Please find the attached code
val fileToDelete = File("/storage/emulated/0/DCIM/Screenshots/pic1.jpg")
fileToDelete.delete()
NOTE: filepath is hardcoded only to explain better
Please find the attached log
2022-03-21 11:22:35.331 8639-20226/com.filepickerdemo D/ContentResolver: delete denied by permission:android.permission.ACCESS_MEDIA_PROVIDER#content://media/external/images/media#_data = ?#/storage/emulated/0/DCIM/Screenshots/pic1.jpg
What else should I put in my code to solve this issue. Thanks in advance.
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要在 android 10 及更高版本中删除媒体文件，您可以尝试 contentresolver API。
您需要将媒体的内容 uri 传递给“contentResolver.delete()”方法&你将能够轻松做到。
这是我关于如何使用 Java 执行此操作的帖子 - Android 中的作用域存储 — 写入和存储删除媒体文件
To delete media files in android 10 and above, You can try contentresolver API.
You need to pass the media's content uri to the 'contentResolver.delete()' method & you will be able to do it easily.
Here is my post on how to do that using Java - Scoped Storage in Android — Writing & Deleting Media Files