notiXamarin10.txt

// MainActivity.cs

 internal static string KEY_ID = "KEY_ID";
        private News _news;
        private readonly string KEY_BODY = "KEY_BODY";
        private readonly string KEY_IMAGE_NAME = "KEY_IMAGE_NAME";
        private readonly string KEY_TITLE = "KEY_TITLE";

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // Set our view from the "main" layout resource
             SetContentView (Resource.Layout.Main);

            PrepareActionBar();

            var id = Intent.Extras.GetInt(KEY_ID);

            if (bundle == null)
            {
                var newsService = new NewsService();
                _news = newsService.GetNewsById(id);
            }
            else
            {
                _news = new News();
                _news.Id = bundle.GetInt(KEY_ID);
                _news.Body = bundle.GetString(KEY_BODY);
                _news.ImageName = bundle.GetString(KEY_IMAGE_NAME);
                _news.Title = bundle.GetString(KEY_TITLE);
            }

            var newsTitle = FindViewById<TextView>(Resource.Id.newsTitle);
            var newsBody = FindViewById<TextView>(Resource.Id.newsBody);
            var newsImage = FindViewById<ImageView>(Resource.Id.newsImage);

            var display = WindowManager.DefaultDisplay;
            Android.Graphics.Point point = new Android.Graphics.Point();
            display.GetSize(point);

            var imageURL = string.Concat(ValuesService.ImagesBaseURL, 
                _news.ImageName);

            Picasso.With(ApplicationContext)
                .Load(imageURL)
                .Resize(point.X, 0)
                .Into(newsImage);

            newsTitle.Text = _news.Title;
            newsBody.Text = _news.Body;
        }
        
          protected override void OnSaveInstanceState(Bundle outState)
        {
            outState.PutString(KEY_BODY, _news.Body);
            outState.PutInt(KEY_ID, _news.Id);
            outState.PutString(KEY_IMAGE_NAME, _news.ImageName);
            outState.PutString(KEY_TITLE, _news.Title);

            base.OnSaveInstanceState(outState);
        }