Android - MediaStore query video, audio, image

private void vidQuery(Context context) {
    Uri uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
    String[] projection = {MediaStore.Video.VideoColumns.DATA};
    Cursor c = context.getContentResolver().query(uri, projection, null, null, null);
    if (c != null) {
        while (c.moveToNext()) {
            String path = c.getString(0);
            Log.d("VIDEO", path);
            listVid.add(new File(path));
        }
        c.close();
    }
}

private void musQuery(Context context) {
    Uri uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
    String[] projection = {MediaStore.Audio.AudioColumns.DATA};
    Cursor c = context.getContentResolver().query(uri, projection, null, null, null);
    if (c != null) {
        while (c.moveToNext()) {
            String path = c.getString(0);
            Log.d("AUDIO", path);
            listMus.add(new File(path));
        }
        c.close();
    }
}

private void picQuery(Context context) {
    Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
    String[] projection = {MediaStore.Images.ImageColumns.DATA};
    Cursor c = context.getContentResolver().query(uri, projection, null, null, null);
    if (c != null) {
        while (c.moveToNext()) {
            String path = c.getString(0);
            Log.d("IMAGE", path);
            listPic.add(new File(path));
        }
        c.close();
    }
}