gps location and publish improvements

main/MyFriendsAround.WP7/MyFriendsAround.WP7.csproj

@@ -62,6 +62,22 @@
     <CodeAnalysisRuleSetDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
     <CodeAnalysisRuleDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'GPS_EMULATOR|AnyCPU'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\GPS_EMULATOR\</OutputPath>
+    <DefineConstants>TRACE;DEBUG;SILVERLIGHT;WINDOWS_PHONE;GPS_EMULATOR</DefineConstants>
+    <NoStdLib>true</NoStdLib>
+    <DebugType>full</DebugType>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <CodeAnalysisLogFile>Bin\Debug\MyFriendsAround.WP7.dll.CodeAnalysisLog.xml</CodeAnalysisLogFile>
+    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
+    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSetDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\\Rule Sets</CodeAnalysisRuleSetDirectories>
+    <CodeAnalysisIgnoreBuiltInRuleSets>false</CodeAnalysisIgnoreBuiltInRuleSets>
+    <CodeAnalysisRuleDirectories>;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\FxCop\\Rules</CodeAnalysisRuleDirectories>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Coding4Fun.Phone.Controls, Version=1.2.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Coding4Fun.Phone.Controls.Complete.1.2\lib\Coding4Fun.Phone.Controls.dll</HintPath>

main/MyFriendsAround.WP7/ViewModel/MainViewModel.cs

@@ -27,6 +27,7 @@ using Microsoft.Silverlight.Testing;
 using MyFriendsAround.Common.Entities;
 using MyFriendsAround.WP7.Service;
 using MyFriendsAround.WP7.Utils;
+using MyFriendsAround.WP7.ViewModel;
 using MyFriendsAround.WP7.Views;
 using NetworkDetection;
 using Newtonsoft.Json;
@@ -78,10 +79,75 @@ namespace MyFriendsAround.WP7.ViewModel
                 // Code runs "for real"
             }
 
+            photoChooserTask = new PhotoChooserTask();
+            photoChooserTask.Completed += cameraTask_Completed;
+            //photoChooserTask.PixelHeight = 100;
+            //photoChooserTask.PixelWidth = 100;
+            photoChooserTask.ShowCamera = true;
+
+            //init GPS
+            InitGps();
         }
 
 
-        #region Properties
+        private void InitGps()
+        {
+#if GPS_EMULATOR
+            _gpsWatcher = new GpsEmulatorClient.GeoCoordinateWatcher();
+#else
+            _gpsWatcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High)
+                              {
+                                  MovementThreshold = 10
+                              };
+#endif
+            _gpsWatcher.PositionChanged += new EventHandler<GeoPositionChangedEventArgs<GeoCoordinate>>(watcher_PositionChanged);
+            _gpsWatcher.StatusChanged += new EventHandler<GeoPositionStatusChangedEventArgs>(watcher_StatusChanged);
+
+            //
+            _gpsWatcher.Start();
+        }
+
+        void watcher_StatusChanged(object sender, GeoPositionStatusChangedEventArgs e)
+        {
+            GpsStatus = e.Status;
+        }
+
+        void watcher_PositionChanged(object sender, GeoPositionChangedEventArgs<GeoCoordinate> e)
+        {
+            if (e.Position.Location != GeoCoordinate.Unknown)
+            {
+                GpsTimestamp = e.Position.Timestamp;
+                GpsLocation = e.Position.Location;
+
+                if (LastBoundRect.Intersects(new LocationRect(GpsLocation, .5, .5)))
+                {
+                    ObservableCollection<PushPinModel> _mynewlocation = new ObservableCollection<PushPinModel>();
+                    _mynewlocation.Add(new PushPinModel()
+                                           {
+                                               Location = GpsLocation,
+                                               PinUserName = "Me"
+                                           });
+                    MyLocationPushPins = _mynewlocation;
+                }
+                else
+                {
+                    MyLocationPushPins = new ObservableCollection<PushPinModel>();
+                }
+            }
+
+            System.Diagnostics.Debug.WriteLine("watcher_PositionChanged + " + DateTime.Now.Second);
+        }
+
+
+
+
+
+
+        #region Properties & Fields
+
+        private PhotoChooserTask photoChooserTask;
+        private IGeoPositionWatcher<GeoCoordinate> _gpsWatcher;
+
 
         public string ApplicationTitle
         {
@@ -92,7 +158,6 @@ namespace MyFriendsAround.WP7.ViewModel
         }
 
 
-
         #region PageTitles
 
         public string PageName
@@ -120,19 +185,113 @@ namespace MyFriendsAround.WP7.ViewModel
         }
 
         #endregion
-        
 
 
+
+        /// <summary>
+        /// The <see cref="GpsLocation" /> property's name.
+        /// </summary>
+        public const string GpsLocationPropertyName = "GpsLocation";
+
+        private GeoCoordinate _gpsLocation = GeoCoordinate.Unknown;
+
+        /// <summary>
+        /// Gets the GpsLocation property.
+        /// </summary>
+        public GeoCoordinate GpsLocation
+        {
+            get
+            {
+                return _gpsLocation;
+            }
+
+            set
+            {
+                if (_gpsLocation == value)
+                {
+                    return;
+                }
+
+                _gpsLocation = value;
+
+                // Update bindings, no broadcast
+                RaisePropertyChanged(GpsLocationPropertyName);
+            }
+        }
+
+
+        /// <summary>
+        /// The <see cref="GpsTimestamp" /> property's name.
+        /// </summary>
+        public const string GpsTimestampPropertyName = "GpsTimestamp";
+
+        private DateTimeOffset _gpsTimestamp = DateTimeOffset.MinValue;
+
+        /// <summary>
+        /// Gets the GpsTimestamp property.
+        /// </summary>
+        public DateTimeOffset GpsTimestamp
+        {
+            get
+            {
+                return _gpsTimestamp;
+            }
+
+            set
+            {
+                if (_gpsTimestamp == value)
+                {
+                    return;
+                }
+
+                _gpsTimestamp = value;
+
+                // Update bindings, no broadcast
+                RaisePropertyChanged(GpsTimestampPropertyName);
+            }
+        }
+
+        /// <summary>
+        /// The <see cref="GpsStatus" /> property's name.
+        /// </summary>
+        public const string GpsStatusPropertyName = "GpsStatus";
+
+        private GeoPositionStatus _gpsStatus = GeoPositionStatus.Disabled;
+
+        /// <summary>
+        /// Gets the GpsStatus property.
+        /// </summary>
+        public GeoPositionStatus GpsStatus
+        {
+            get
+            {
+                return _gpsStatus;
+            }
+
+            set
+            {
+                if (_gpsStatus == value)
+                {
+                    return;
+                }
+
+                _gpsStatus = value;
+
+                // Update bindings, no broadcast
+                RaisePropertyChanged(GpsStatusPropertyName);
+            }
+        }
+
         /// <summary>
         /// The <see cref="MyPicture" /> property's name.
         /// </summary>
         public const string MyPicturePropertyName = "MyPicture";
-        private ImageSource _myPicture = new BitmapImage(new Uri("/icons/anonymousIcon.png", UriKind.RelativeOrAbsolute));
+        private BitmapSource _myPicture = new BitmapImage(new Uri("/icons/anonymousIcon.png", UriKind.RelativeOrAbsolute));
 
         /// <summary>
         /// Gets the MyPicture property.
         /// </summary>
-        public ImageSource MyPicture
+        public BitmapSource MyPicture
         {
             get
             {
@@ -256,7 +415,7 @@ namespace MyFriendsAround.WP7.ViewModel
         public const string VisiblePushPinsPropertyName = "VisiblePushPins";
         private ObservableCollection<PushPinModel> _VisiblePushPins = new ObservableCollection<PushPinModel>();
         /// <summary>
-        /// Gets the PushPins property.
+        /// Gets the VisiblePushPins property.
         /// </summary>
         public ObservableCollection<PushPinModel> VisiblePushPins
         {
@@ -280,6 +439,37 @@ namespace MyFriendsAround.WP7.ViewModel
         }
 
 
+        /// <summary>
+        /// The <see cref="MyLocationPushPins" /> property's name.
+        /// </summary>
+        public const string MyLocationPushPinsPropertyName = "MyLocationPushPins";
+        private ObservableCollection<PushPinModel> _MyLocationPushPins = new ObservableCollection<PushPinModel>();
+        /// <summary>
+        /// Gets the MyLocationPushPins property.
+        /// </summary>
+        public ObservableCollection<PushPinModel> MyLocationPushPins
+        {
+            get
+            {
+                return _MyLocationPushPins;
+            }
+
+            set
+            {
+                if (_MyLocationPushPins == value)
+                {
+                    return;
+                }
+
+                _MyLocationPushPins = value;
+
+                // Update bindings, no broadcast
+                RaisePropertyChanged(MyLocationPushPinsPropertyName);
+            }
+        }
+
+
+
         /// <summary>
         /// The <see cref="MapZoom" /> property's name.
         /// </summary>
@@ -404,20 +594,34 @@ namespace MyFriendsAround.WP7.ViewModel
         private void ShowMyLocation()
         {
             //
+            if (GpsLocation != GeoCoordinate.Unknown &&
+                GpsStatus == GeoPositionStatus.Ready
+                )
+            {
+                MapCenter = GpsLocation;
+            }
         }
 
+        private LocationRect LastBoundRect = null;
         private void MapViewChanged(LocationRect boundRectangle)
         {
+            LastBoundRect = boundRectangle;
+            //
             ObservableCollection<PushPinModel> _newVisiblePushPins = new ObservableCollection<PushPinModel>();
             //filter visible pushpins
             foreach (PushPinModel pushPin in PushPins)
             {
-                if (boundRectangle.Intersects(new LocationRect(pushPin.Location, .5, .5)))
+                if (LastBoundRect.Intersects(new LocationRect(pushPin.Location, .5, .5)))
                 {
                     _newVisiblePushPins.Add(pushPin);
                 }
             }
             VisiblePushPins = _newVisiblePushPins;
+            //
+            if (!LastBoundRect.Intersects(new LocationRect(GpsLocation, .5, .5)))
+            {
+                MyLocationPushPins = new ObservableCollection<PushPinModel>();
+            }
         }
 
         public void CropCancel()
@@ -453,7 +657,9 @@ namespace MyFriendsAround.WP7.ViewModel
                 {
                     using (MemoryStream ms = new MemoryStream(img))
                     {
-                        Container.Instance.Resolve<MainViewModel>("MainViewModel").MyPicture = PictureDecoder.DecodeJpeg(ms);
+                        BitmapImage bi = new BitmapImage();
+                        bi.SetSource(ms);
+                        Container.Instance.Resolve<MainViewModel>("MainViewModel").MyPicture = bi;// PictureDecoder.DecodeJpeg(ms);
                     }
                 });
             }
@@ -482,13 +688,8 @@ namespace MyFriendsAround.WP7.ViewModel
             }
         }
 
-        PhotoChooserTask photoChooserTask = new PhotoChooserTask();
         private void ShowPhotoChooserTask()
         {
-            photoChooserTask.Completed += cameraTask_Completed;
-            //photoChooserTask.PixelHeight = 100;
-            //photoChooserTask.PixelWidth = 100;
-            photoChooserTask.ShowCamera = true;
             photoChooserTask.Show();
         }
 
@@ -517,8 +718,10 @@ namespace MyFriendsAround.WP7.ViewModel
                 // Seek back so we can create an image.
                 e.ChosenPhoto.Seek(0, SeekOrigin.Begin);
                 // Create an image from the stream.
-                var imageSource = PictureDecoder.DecodeJpeg(e.ChosenPhoto);
-                MyPicture = imageSource;
+                //var imageSource = PictureDecoder.DecodeJpeg(e.ChosenPhoto);
+                BitmapImage bi = new BitmapImage();
+                bi.SetSource(e.ChosenPhoto);
+                MyPicture = bi;// imageSource;
             }
         }
 
@@ -584,13 +787,20 @@ namespace MyFriendsAround.WP7.ViewModel
 
         private void PublishLocationAction()
         {
-            Friend myInfo = new Friend();
-            myInfo.Id = Identification.GetDeviceId();
-            myInfo.FriendName = MyName;
-            myInfo.LastUpdated = DateTime.UtcNow;
-            myInfo.LocationStr = string.Format("POINT({0} {1})", MapCenter.Latitude, MapCenter.Longitude);
-            IsBusy = true;
-            ServiceAgent.PublishLocation(myInfo, new EventHandler<PublishLocationEventArgs>(PublishLocationResult));
+            if (GpsLocation != GeoCoordinate.Unknown)
+            {
+                Friend myInfo = new Friend();
+                myInfo.Id = Identification.GetDeviceId();
+                myInfo.FriendName = MyName;
+                myInfo.LastUpdated = DateTime.UtcNow;
+                myInfo.LocationStr = string.Format("POINT({0} {1})", GpsLocation.Latitude, GpsLocation.Longitude);
+                IsBusy = true;
+                ServiceAgent.PublishLocation(myInfo, new EventHandler<PublishLocationEventArgs>(PublishLocationResult));
+            }
+            else
+            {
+                MessageBox.Show("GPS position not aquired yet!");
+            }
         }
 
         public void GetFriendsResult(object sender, FriendsListEventArgs args)
@@ -710,12 +920,13 @@ namespace MyFriendsAround.WP7.ViewModel
             }
         }
 
-        ////public override void Cleanup()
-        ////{
-        ////    // Clean up if needed
+        public override void Cleanup()
+        {
+            // Clean up if needed
 
-        ////    base.Cleanup();
-        ////}
+            base.Cleanup();
+            _gpsWatcher.Stop();
+        }
 
         #endregion
 

main/MyFriendsAround.WP7/Views/CropPage.xaml.cs

@@ -160,6 +160,9 @@ namespace MyFriendsAround.WP7.Views
                 //save
                 IsolatedStorageHelper.SaveToLocalStorage("myphoto.jpg", "profiles", _imageBytes);
                 //
+                //BitmapImage bi = new BitmapImage();
+                //stream.Seek(0, SeekOrigin.Begin);
+                //bi.SetSource(stream);
                 Container.Instance.Resolve<MainViewModel>("MainViewModel").MyPicture = wbm;
             }
         }

main/MyFriendsAround.WP7/Views/MainPage.xaml

@@ -20,7 +20,8 @@
                             DataContext="{Binding Main, Source={StaticResource Locator}}"
                             xmlns:my="clr-namespace:Microsoft.Phone.Controls.Maps;assembly=Microsoft.Phone.Controls.Maps"
                             xmlns:Preview="clr-namespace:Phone7.Fx.Preview;assembly=Phone7.Fx.Preview"
-                            xmlns:binding="clr-namespace:Coding4Fun.Phone.Controls.Binding;assembly=Coding4Fun.Phone.Controls" xmlns:Core="clr-namespace:Microsoft.Phone.Controls.Maps.Core;assembly=Microsoft.Phone.Controls.Maps">
+                            xmlns:binding="clr-namespace:Coding4Fun.Phone.Controls.Binding;assembly=Coding4Fun.Phone.Controls"
+                            xmlns:Core="clr-namespace:Microsoft.Phone.Controls.Maps.Core;assembly=Microsoft.Phone.Controls.Maps">
 
     <!--LayoutRoot contains the root grid where all other page content is placed-->
 
@@ -44,13 +45,17 @@
                           HorizontalAlignment="Left">
                         <Image x:Name="imgFriend"
                                Source="{Binding PinImageUrl, Mode=OneWay}"
-                               Margin="2, 2, 2, 24" Width="48" Height="48"
+                               Margin="2, 2, 2, 24"
+                               Width="48"
+                               Height="48"
                                Stretch="Fill">
                         </Image>
                         <TextBlock HorizontalAlignment="Left"
-                                   Text="{Binding PinUserName, Mode=OneWay}" 
+                                   Text="{Binding PinUserName, Mode=OneWay}"
                                    VerticalAlignment="Bottom"
-                                   Margin="1" Width="48" Height="24" />
+                                   Margin="1"
+                                   Width="48"
+                                   Height="24" />
                     </Grid>
                     <Polygon Fill="{TemplateBinding Background}"
                              Points="0,0 29,0 0,29"
@@ -67,7 +72,7 @@
             <cmd:EventToCommand Command="{Binding MainLoadCommand}" />
         </i:EventTrigger>
     </i:Interaction.Triggers>
-    
+
     <Grid x:Name="LayoutRoot"
           Background="Transparent">
         <Grid.RowDefinitions>
@@ -85,15 +90,15 @@
             </DataTemplate>
             <my:MapItemsControl x:Name="GroupAPins"
                                 ItemTemplate="{StaticResource LogoTemplate}"
-                                ItemsSource="{Binding PushPins}"
-                                >
+                                ItemsSource="{Binding PushPins}">
             </my:MapItemsControl>
         </Grid.Resources>
 
 
-                <!--ContentPanel - place additional content here-->
+        <!--ContentPanel - place additional content here-->
         <Grid x:Name="ContentGrid"
-              Grid.Row="0" VerticalAlignment="Stretch" 
+              Grid.Row="0"
+              VerticalAlignment="Stretch"
               Grid.RowSpan="2"
               Margin="0">
 
@@ -111,72 +116,100 @@
 
             <my:Map x:Name="map"
                     CredentialsProvider="AkCiPfQt9YM0cCkZlltdR3mnFQRkV41l4f-eXFmf3qcBBhBC-EkvD8MuazOkMnE_"
-                    HorizontalAlignment="Stretch" ZoomBarVisibility="Visible"
+                    HorizontalAlignment="Stretch"
+                    ZoomBarVisibility="Visible"
                     Margin="6,0,6,0"
                     VerticalAlignment="Stretch"
                     Center="{Binding Path=MapCenter, Mode=TwoWay}"
-                    ZoomLevel="{Binding Path=MapZoom, Mode=TwoWay}" 
-                    AnimationLevel="Full" 
-                    ViewChangeEnd="map_ViewChangeEnd"
-                    >
+                    ZoomLevel="{Binding Path=MapZoom, Mode=TwoWay}"
+                    AnimationLevel="Full"
+                    ViewChangeEnd="map_ViewChangeEnd">
                 <my:MapLayer x:Name="layerFriends">
                     <my:MapItemsControl ItemsSource="{Binding VisiblePushPins}"
                                         ItemTemplate="{StaticResource LogoTemplate}">
                     </my:MapItemsControl>
                 </my:MapLayer>
                 <my:MapLayer x:Name="layerMyLocation">
-                    <my:MapItemsControl>
+                    <my:MapItemsControl ItemsSource="{Binding MyLocationPushPins}">
+                        <my:MapItemsControl.ItemTemplate>
+                            <DataTemplate>
+                                <my:Pushpin Location="{Binding Location}"
+                                            Background="{StaticResource PhoneAccentBrush}"
+                                            Template="{StaticResource PushpinControlTemplate1}" />
+                            </DataTemplate>
+                        </my:MapItemsControl.ItemTemplate>
                     </my:MapItemsControl>
                 </my:MapLayer>
             </my:Map>
-            <StackPanel HorizontalAlignment="Right"
-                        VerticalAlignment="Center"
-                        Background="Black"
-                        Opacity="0.5"
-                        >
-                <Image Source="/icons/appbar.location.png" 
-                       Margin="10" 
-                       Width="64" 
-                       Height="64" />
-                <Image Source="/icons/appbar.location.png"
-                       Margin="10"
-                       Width="64"
-                       Height="64" />
-            </StackPanel>
-            
+
+            <Grid  HorizontalAlignment="Right"
+                   VerticalAlignment="Center"
+                   Width="64"
+                   >
+                <Rectangle RadiusX="10"
+                           RadiusY="10"
+                           Fill="Black"
+                           Opacity="0.3"
+                           Margin="0,0,-20,0"
+                           >
+                </Rectangle>
+
+
+                <StackPanel HorizontalAlignment="Left" VerticalAlignment="Stretch">
+                    <Image Source="/icons/appbar.location.png"
+                           Margin="0"
+                           Width="64"
+                           Height="64"
+                           VerticalAlignment="Top"
+                           HorizontalAlignment="Left"
+                           />
+                    <Image Source="/icons/appbar.location.png"
+                           Margin="0"
+                           Width="64"
+                           Height="64"
+                           VerticalAlignment="Bottom"
+                           HorizontalAlignment="Left" />
+
+                </StackPanel>
+            </Grid>
+
         </Grid>
 
 
         <!--TitlePanel contains the name of the application and page title-->
         <Grid x:Name="TitlePanel"
-                    Grid.Row="0"
-                    Margin="0"
-                    Background="Black" 
-                    VerticalAlignment="Top"
-                    HorizontalAlignment="Stretch"
-                    Opacity="0.8">
+              Grid.Row="0"
+              Margin="0"
+              Background="Black"
+              VerticalAlignment="Top"
+              HorizontalAlignment="Stretch"
+              Opacity="0.8">
             <TextBlock x:Name="ApplicationTitle"
                        Margin="12, 12, 0, 0"
                        Text="{Binding ApplicationTitle}"
                        Foreground="{StaticResource PhoneAccentBrush}"
                        Style="{StaticResource PhoneTextNormalStyle}" />
             <Grid Margin="0,6,6,6"
-                  Height="80" >
+                  Height="80">
                 <Grid Width="80"
                       Height="80"
                       HorizontalAlignment="Right"
                       Background="Transparent"
-                      Opacity="1"
-                      >
-                    <Image x:Name="imgMine" Opacity="1"
-                           Source="{Binding MyPicture, Mode=OneWay}" Margin="0" Stretch="Fill" >
+                      Opacity="1">
+                    <Image x:Name="imgMine"
+                           Opacity="1"
+                           Source="{Binding MyPicture, Mode=OneWay}"
+                           Margin="0"
+                           Stretch="Fill"
+                           >
                     </Image>
                     <Border Background="{StaticResource PhoneAccentBrush}"
                             Width="80"
                             Height="25"
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Bottom"
-                            BorderThickness="0" Opacity="1">
+                            BorderThickness="0"
+                            Opacity="1">
                         <TextBlock x:Name="txtMyName"
                                    Style="{StaticResource PhoneTextNormalStyle}"
                                    FontSize="16"
@@ -184,7 +217,8 @@
                                    HorizontalAlignment="Left"
                                    VerticalAlignment="Center"
                                    Margin="2"
-                                   Text="{Binding MyName, Mode=OneWay}" Opacity="1" />
+                                   Text="{Binding MyName, Mode=OneWay}"
+                                   Opacity="1" />
                     </Border>
                 </Grid>
 
@@ -208,7 +242,8 @@
                                                       IsEnabled="{Binding Path=IsBusy, Converter={StaticResource InvertValueConverter1}}" />
             <Preview:BindableApplicationBarIconButton Command="{Binding RefreshFriendsCommand}"
                                                       IconUri="/icons/appbar.sync.rest.png"
-                                                      Text="{Binding AppBarTextRefresh}" IsEnabled="{Binding Path=IsBusy, Converter={StaticResource InvertValueConverter1}}" />
+                                                      Text="{Binding AppBarTextRefresh}"
+                                                      IsEnabled="{Binding Path=IsBusy, Converter={StaticResource InvertValueConverter1}}" />
             <Preview:BindableApplicationBarIconButton Command="{Binding PublishLocationCommand}"
                                                       IconUri="/icons/appbar.publish.png"
                                                       Text="{Binding AppBarTextPublish}" />

main/MyFriendsAround.WP7/Views/SettingsPage.xaml

@@ -65,7 +65,7 @@
                            VerticalAlignment="Stretch"
                            Stretch="Uniform"
                            Margin="1"
-                           Source="{Binding MyPicture}"></Image>
+                           Source="{Binding MyPicture, Mode=TwoWay}"></Image>
                     <i:Interaction.Triggers>
                         <i:EventTrigger EventName="Click">
                             <cmd:EventToCommand