android - how can i show audio recorded file from phone memory to ListView -

i have developed call recording application. record audio file , save phone memory (file manager). know how can show recorded file in application using listview.?

kick off example:

string[] files = new file("path/to/dir/with_your_files").list(); arrayadapter<string> = new arrayadapter<string>(context, android.r.layout.simple_list_item_1, files); listview.setadapter(a);