public override async Task Initialize()
        {
            NewsApi.Rootobject newsData = await newsApi.LoadNews("a");

            if (newsData != null)
            {
                NewsModel[] newsListArray = newsData.articles.Select(item =>
                {
                    NewsModel entry = new NewsModel(item.title, item.publishedAt, item.description, item.urlToImage, item.url, item.source.name, item.content);

                    return(entry);
                }).ToArray();
                NewsList = new ObservableCollection <NewsModel>(newsListArray);
            }
        }