How can I get Random Access to DocumentFile's OutputStream, so that I can seek to any particular position and start writing from there onwards. Or if there's a way of appending to the existing content of a DocumentFile. The file is essentially going to be on an external SD Card, thus I have to use DocumentFile for this purpose.
In short, is there a RandomAccessFile for DocumentFile too?
It doesn't actually answer the original question but was working for my requirement. I wanted to append the new data to existing DocumentFile and the method suggested by greenapps was the one which solved it for me. (Thanks to him)
I just needed to open the output stream in wa mode to append.
getContentResolver().openOutputStream(docfile.getUri(), "wa");