HTTP RSS
RSS, , RSS . RSS , RSS MSDN: http://blogs.msdn.com/b/rudevnews/rss.aspx
, Windows Phone Application SimpleRussianRSSReader.
, .
URL, RSS:
const string RSS = "http://blogs.msdn.com/b/rudevnews/rss.aspx";
.
API: WebClient HttpWebRequest. WebClient API GET/POST , HttpWebRequest PUT/DELETE . , WebClient.
, , :
private void LoadRSS()
{
WebClient client = new WebClient();
client.DownloadStringCompleted +=
new DownloadStringCompletedEventHandler
(client_DownloadStringCompleted);
client.DownloadStringAsync(new Uri(RSS));
}
:
string RSSString = "";
, , :
void client_DownloadStringCompleted
(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error == null)
{
RSSString = e.Result;
}
}
, TextBlock , , XAML :
<!--TitlePanel contains the name of the application and page title-->
<StackPanel x:Name="TitlePanel"
Grid.Row="0" Margin="12,17,0,28">
<TextBlock x:Name="ApplicationTitle"
Text=" MSDN" Style="{StaticResource PhoneTextNormalStyle}"/>
<TextBlock x:Name="PageTitle"
Text="" Margin="9,-7,0,0"
Style="{StaticResource PhoneTextTitle1Style}"/>
</StackPanel>
<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanel" Grid.Row="1"
Margin="12,0,12,0">
<TextBlock Name="RSSText" ></TextBlock>
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</Grid>
LoadRSS, , Text RSSText .
(F5) , .
HTTP. , HttpWebRequest , callback .
.
TextBlok ListBox .
<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanel" Grid.Row="1"
Margin="12,0,12,0">
<ListBox Name="RssList">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel>
<TextBlock Text="{Binding pubDate}" FontSize="20"
Foreground="Coral"/>
<TextBlock Text="{Binding title}" TextWrapping="Wrap"
FontSize="22"/>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Grid>
, pubDate title. LINQ XML.
PostMessage pubDate title :
public class PostMessage
{
public string pubDate { get; set; }
public string title { get; set; }
}
System.Xml.Linq using MainPage.xaml.cs
using System.Xml.Linq;
, ListBox, .
XElement twitterElements = XElement.Parse(e.Result);
var postList =
from tweet in twitterElements.Descendants("item")
select new PostMessage
{
title = tweet.Element("title").Value,
pubDate = tweet.Element("pubDate").Value
};
RssList.ItemsSource = postList;
(F5) , RSS.
, . , , RSS .
, , .
PostMessage link:
public class PostMessage
{
public string pubDate { get; set; }
public string title { get; set; }
public string link { get; set; }
}
RSS :
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var postList =
from tweet in twitterElements.Descendants("item")
select new PostMessage
{
title = tweet.Element("title").Value,
pubDate = tweet.Element("pubDate").Value,
link = tweet.Element("link").Value
};
XAML MainPage SelectionChanged :
private void RssList_SelectionChanged
(object sender, SelectionChangedEventArgs e)
{
WebBrowserTask webTask = new WebBrowserTask();
webTask.Uri = new Uri(((PostMessage)(RssList.SelectedItem)).link);
webTask.Show();
}
using :
using Microsoft.Phone.Tasks;
(F5) , .
Windows Phone :
: /, IsolatedStorageSettings;
IsolatedStorageFile;
LINQ SQL.
, - .
, , .
