not closing properly

[GoogleCodeExporter]

The app is not closing when choosing 'quit', music stops, or a previously read 
file is selected. After several -4? 7?- times of hitting 'quit' then app 
finally closes

What steps will reproduce the problem?
1. open any music file
2. touch 'quit' button

What is the expected output? What do you see instead?
when hitting the 'quit' button, app is expected to quit: stop music and screen 
back to welcome screen

What version of the product are you using? On what operating system?
andLess 1.3.5, on Android 4.0.4

Please provide any additional information below.

Original issue reported on code.google.com by fb.franc...@gmail.com on 4 Nov 2014 at 10:49