Windows Phone Location Based Services

In this program we wants to show you that how to show the coordinate position on the map on windows phone we just need to follow few steps. it is so simple and quite easy to understand. have a great day with this application program.
 i have used my own key for this program  which is

AhlIQ8LF2Oe3_rEydhw-IZtxG6lGthdsnQpCeB_OhpM410qhMntZmvp-QPe36ElZ
you can replace it with yours.


1) just create the application with name WPLocation and copy the code given below to yours MainPage.xaml


<phone:PhoneApplicationPage 
    x:Class="WPLocation.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    shell:SystemTray.IsVisible="True" xmlns:my="clr-namespace:Microsoft.Phone.Controls.Maps;assembly=Microsoft.Phone.Controls.Maps" Loaded="PhoneApplicationPage_Loaded">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--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="Location Application" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock x:Name="PageTitle" Text="My Location" 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">
            <my:Map Height="595" CredentialsProvider="AhlIQ8LF2Oe3_rEydhw-IZtxG6lGthdsnQpCeB_OhpM410qhMntZmvp-QPe36ElZ" HorizontalAlignment="Left" Margin="12,6,0,0" Name="map1" VerticalAlignment="Top" Width="438" />
        </Grid>
    </Grid>

    <!--Sample code showing usage of ApplicationBar-->
    <!--<phone:PhoneApplicationPage.ApplicationBar>
        <shell:ApplicationBar IsVisible="True" IsMenuEnabled="True">
            <shell:ApplicationBarIconButton IconUri="/Images/appbar_button1.png" Text="Button 1"/>
            <shell:ApplicationBarIconButton IconUri="/Images/appbar_button2.png" Text="Button 2"/>
            <shell:ApplicationBar.MenuItems>
                <shell:ApplicationBarMenuItem Text="MenuItem 1"/>
                <shell:ApplicationBarMenuItem Text="MenuItem 2"/>
            </shell:ApplicationBar.MenuItems>
        </shell:ApplicationBar>
    </phone:PhoneApplicationPage.ApplicationBar>-->

</phone:PhoneApplicationPage>

2) Now copy the code for MainPage.xaml.cs


using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using System.Device.Location;

namespace WPLocation
{
    public partial class MainPage : PhoneApplicationPage
    {
        GeoCoordinateWatcher myCoordinateWatcher;
        double Latitued, Longitude;

        // Constructor
        public MainPage()
        {
            InitializeComponent();
        }

        private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
        {
            Latitued = 28.3131;
            Longitude = 77.1212;

            map1.Center = new GeoCoordinate(Latitued, Longitude);            
            map1.ZoomLevel = 5;
            map1.ZoomBarVisibility =Visibility.Visible;
    
            myCoordinateWatcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High);    
            myCoordinateWatcher.PositionChanged += new EventHandler<GeoPositionChangedEventArgs<GeoCoordinate>>(myCoordinateWatcher_PositionChanged);    
        }

        void myCoordinateWatcher_PositionChanged(object sender, GeoPositionChangedEventArgs<GeoCoordinate> e)
        {
            if (!e.Position.Location.IsUnknown)
            {
                Latitued = e.Position.Location.Latitude;
                Longitude = e.Position.Location.Longitude;
                map1.Center = new GeoCoordinate(Latitued, Longitude);  
            }    
        }
    }
}
after this you will have the deired output on yours emulator as follows :