public async void GetImages()
{
_client = new HttpClient();
HttpResponseMessage response = await _client.GetAsync(host);
string textRespose = await response.Content.ReadAsStringAsync();
var items = textRespose.FromJson <List <Image> >().OrderByDescending(x => x.ParsedDate);
foreach (Image image in items)
{
var oimage = new NatGeoImage(
image.Id.ToString(),
image.Title,
image.Url,
image.Description);
oimage.DownloadUrl = image.DownloadUrl;
oimage.ImageUrl = image.Url;
oimage.PhotographerName = image.Photographer;
oimage.PhotographerUrl = image.PhotographerUrl;
oimage.Date = image.ParsedDate.ToString("MMMM dd, yyyy");
NatGeoImageCollection.AllItems.Add(oimage);
_natGeoImageCollection.Add(oimage);
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
// Allow saved page state to override the initial item to display
if (pageState != null && pageState.ContainsKey("SelectedItem"))
{
navigationParameter = pageState["SelectedItem"];
}
NatGeoImage item = NatGeoDataSource.GetItem((String)navigationParameter);
DefaultViewModel["Items"] = NatGeoDataSource.Items;
DefaultViewModel["Item"] = flipView.SelectedItem = item;
}
private NatGeoImage GetImage(Image i)
{
var ii = new NatGeoImage();
ii.Date = i.Date.ToString("MM/dd/yyyy");
ii.Description = i.Description;
ii.DownloadUrl = i.DownloadUrl;
ii.Id = i.Id;
ii.Photographer = i.Photographer;
ii.PhotographerUrl = i.PhotographerUrl;
ii.ThumbnailUrl = i.ThumbnailUrl;
ii.Title = i.Title;
ii.Url = i.Url;
return(ii);
}
