Unifying Developer Registration: Windows and Windows Phone

Great news! Unifying Developer Registration: Windows and Windows Phone

http://blogs.windows.com/windows_phone/b/wpdev/archive/2013/11/06/unifying-developer-registration-windows-and-windows-phone.aspx

Ho to use XML files In WinPhone

If we are storing static data in our Win Phone app, xml files can be used  for that.
Following sample explains how to do that:
<CountrList>
  <country name="Abkhazia" capital ="Sukhumi" />
  <country name="Afghanistan" capital ="Kabul" />
  <country name="Albania" capital ="Tirana"  />
</CountrList>


we can bind xml data to a list by using following code
<ListBox Name="lstData"
         ItemsSource="{Binding}"
         DisplayMemberPath="objMyList" />

public class clsWorldList
{
  public string MyName { get; set; }
  public string MyCapital { get; set; }
}

....

....

var xElem = XElement.Load("XML/List.xml");

  var objMyList =
      from elem in xElem.Descendants("country")
      orderby elem.Attribute("name").Value

      select new clsWorldList
       {
         MyName = elem.Attribute("name").Value,

         MyCapital = elem.Attribute("capital").Value,
       };

  lstData.DataContext = objMyList ;

List of Images needed for WinPhone app

Here goes the list  of Images needed for WinPhone app:

Application Image's:
ApplicationIcon  (100x100)
FlipCycleTileSmall (159x159)
FlipCycleTileMedium (336x336)
FlipCycleTileLarge (691x336)
StoreTitle (300x300)
BackGroundImage (1000x800)

Show case  Image's:
480 x 800
720 x 1280
768 x 1280

Passng Data Between Pages in Windows Phone

•Can pass string data between pages using query strings

private void passParam_Click(object sender, RoutedEventArgs e)
{
NavigationService.Navigate(new Uri("/SecondPage.xaml?msg=" + textBox1.Text, UriKind.Relative));
}

 

•On destination page

protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string querystringvalue = "";
if (NavigationContext.QueryString.TryGetValue("msg", out querystringvalue))
textBlock1.Text = querystringvalue;
}

 

　

Overriding the Back Key in Windows Phone

Here is the code to override the e Back Key in Windows Phone



<phone:PhoneApplicationPage

x:Class="PhoneApp1.MainPage"

…

shell:SystemTray.IsVisible="True"

BackKeyPress="PhoneApplicationPage_BackKeyPress">
In code:

private void PhoneApplicationPage_BackKeyPress(object sender, System.ComponentModel.CancelEventArgs e)

{

e.Cancel = true; // Tell system we've handled it

// Hide the popup...

...

}