nl: stop the player . concode_field_sep ArrayList<String> files concode_elem_sep MusicPlayer player concode_field_sep void listAllFilles concode_elem_sep void listFile concode_elem_sep void removeFile concode_elem_sep int getNumberOfFiles concode_elem_sep void listMatching concode_elem_sep int findFirst concode_elem_sep void startPlaying concode_elem_sep void addFile concode_elem_sep void playSampleOf
code: void function ( ) { player . stop ( ) ; }