I agree with you, maybe it's not possible now without OpenDocument, but I think vknow360 could implement this feature
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Nope, not possible. You must use one of those picker blocks, at least once.
You can't reach to the roof without climbing stairs. 
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can you explain why ? with opendocument you can get permissions, you know how.
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PersistableUriPermissions apply to directories, not documents. When a doc has been opened (picked), it seems you have unrestricted access to it.
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I updated my post, #138.
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If to read my text file I have to open the folder and pick the file I might as well use a file browser without making a dedicate app
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If you want to do it without SAF, the text file must either be in one of the shared folders (/Download or /Documents) or in the ASD.
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No.
No, this also doesn't work with Companion on Android 11+ devices.
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It did work for me in the companion, I was able to choose a file and use the URI.
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You can choose a file from root folder but you can't choose root folder itself.
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I don't have enough idea about it...
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Yes, but you asked
and the answer is (again) no.
But you can select / pick e.g. a text file from the root dir of the external storage and read / write from / to it.
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Hi
If I don't select a document in open single document list and click the back button all the way to the root level I get this error message.
I am using the Saf_readWrite.aia sample
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If you didn't choose a document, then uriString and uri returned will be empty.
If I decide not to choose a document and just want to get back to the main screen, How do I close the list without getting this error?
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Check if uriString is empty or not before proceeding.
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Usually empty string and nothing are not the same... this is something which should be fixed in the extension
Taifun
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