parse_movies.java

public List<ContentValues> parseMedia(JSONArray videoArray) throws JSONException {

    List<ContentValues> videosToInsert = new ArrayList<>();

    for (int j = 0; j < videoArray.length(); j++) {
        JSONObject video = videoArray.getJSONObject(j);
        String videoUrl = video.optString(TAG_URL);
        String titleId = video.optString(TAG_TITLE_ID);
        if (videoUrl.isEmpty()) {
            if (!titleId.isEmpty()) {
                videoUrl = titleId;
            } else {
                videoUrl = video.optString("_id");
            }
        }