Very nice. Using this solution (when screen1.initialize) to delete all mp3 files from directory.
In my app these files are copied from assets into internal storage subdirectory when user shares them (via messenger for example).
Deleting junk files is very important for enduser because it keeps his device clean.
Please close this topic @Kleyber_Derick
Also if listing files takes time then deleting files can also take time.
I mean both methods should work asynchronously.