I want to persist a file even after uninstalling my app in android 11 . Thanks to android 10 and 11 update about the storage I'm not able to do that any more . Also I don't want to use Data backup or a remote server .It has to be offline. any suggestion ?
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https://developer.android.com/training/data-storage – Pawel Mar 17 '21 at 14:46
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You can write the file in the normal way in the Documents folder.
After reinstallation use ACTION_OPEN_DOCUMENT to let the user choose the file.
For an Android Q/10 device request legacy external storage in manifest file and you can continue as before 10.
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