In my app the user is to select an audio file which the app then handles. The problem is that in order for the app to do what I want it to do with the audio files, I need the URI to be in file form...
stackoverflow.com
The first answer is, to use the ContentResolver.openinputstream:
Dim cc As ContentChooser
cc.Initialize("cc")
cc.Show("*/*", "Select file to be upload.")
wait for cc_Result (Success As Boolean, Dir As String, FileName As String)
File.OpenInput(Dir, FileName) 'in ContentChooser event.