public DetailPage(ItemRss item)
{
InitializeComponent();
this.item = item;
BindingContext = new DetailViewModel(item);
}
public DetailViewModel(ItemRss feedData)
{
SharedCommad = new Command(SharedLink_Clicked);
OpenBrowserCommand = new Command(OpenBrowser_Clicked);
this.ImageSource = feedData.Imagem;
Title = feedData.Titulo;
Descricao = "<html>" + "<body style=\"text-align: justify;\">" + feedData.Descricao + "</body>" + "</html>";
link = feedData.Link;
}
public async Task <ObservableCollection <ItemRss> > BaixarFeed(string url)
{
using (Acr.UserDialogs.UserDialogs.Instance.Loading("Carregando feed..."))
{
var client = new HttpClient();
client.DefaultRequestHeaders.Add("User-Agent", "Other");
HttpResponseMessage response;
response = await client.GetAsync(url);
var content = await response.Content.ReadAsStringAsync();
XElement xmlitems = XElement.Parse(content);
List <XElement> elements = xmlitems.Descendants("item").ToList();
var aux = new ObservableCollection <ItemRss>();
foreach (XElement rssItem in elements)
{
var rss = new ItemRss();
rss.Descricao = rssItem.Element("description").Value;
rss.Link = rssItem.Element("link").Value;
rss.Titulo = rssItem.Element("title").Value;
rss.Data = rssItem.Element("pubDate").Value.Remove(17);
string url2 = rssItem.Element("enclosure") != null?rssItem.Element("enclosure").ToString() : "empty";
var reg = new Regex("url=(?:\"|\')?(?<imgSrc>[^>]*[^/].(?:JPG|jpg|bmp|gif|png))(?:\"|\')?");
var match = reg.Match(url2);
if (match.Success)
{
var encod = match.Groups["imgSrc"].Value;
rss.Imagem = encod;
}
else
{
rss.Imagem = "d24amLogo.jpg";
}
aux.Add(rss);
}
return(aux);
}
}
