I have searched here without success (new to this forum, so my search-fu may be weak).
Simple application to enter numbers and have them stored to an sdcard .txt file.
But, no file appears, and attempts to read from it (in case it was hidden somewhere) return no data.
I suspect it has something to do with the naming of the file?
Are there Android permissions that have to be set?
I've tried all sorts of things without success. This should be easy, so I'm missing something basic.