mp3 file play refer to myHolyBible.apk File file = new File(fileName); FileDescriptor fd; if (file.exists()) { try { FileInputStream fs = new FileInputStream(file); fd = fs.getFD(); mediaPlayer.setDataSource(fd); fs.close(); mediaPlayer.setLooping(false); mediaPlayer.setPlaybackParams(mediaPlayer.getPlaybackParams().setSpeed(hymnSpeed)); mediaPlayer.prepare(); } catch (Exception e) { e.printStac..