getRingtone
Request for a ringtone for a call event.
Return
The ringtone. It can be either : android.media.Ringtone, android.media.MediaPlayerjava.io.FileDescriptor for files android.content.res.AssetFileDescriptor for assets android.net.Urinullif no ringtone should be played.
Parameters
call
The call event to get the ringtone for.