Merge branch 'feature/#166' into develop

CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj

@@ -116,9 +116,15 @@
     <Compile Include="Model\Utility\DegreeListPickerItemListModel.cs" />
     <Compile Include="Model\Utility\CleanUrlParamModel.cs" />
     <Compile Include="Model\Utility\CampusListPickerItemListModel.cs" />
+    <Compile Include="Utility\NDEF\NDEFMessage.cs" />
+    <Compile Include="Utility\NDEF\NDEFRecord.cs" />
+    <Compile Include="Utility\NDEF\NDEFShortRecord.cs" />
     <Compile Include="Model\Utility\RoleListPickerItemListModel.cs" />
     <Compile Include="Model\Utility\SemesterListPickerItemListModel.cs" />
     <Compile Include="Model\Utility\ListPickerItemListModel.cs" />
+    <Compile Include="Pages\Dev\NFC.xaml.cs">
+      <DependentUpon>NFC.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Pages\Setting\AppSettingPage.xaml.cs">
       <DependentUpon>AppSettingPage.xaml</DependentUpon>
     </Compile>
@@ -282,6 +288,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Pages\Dev\NFC.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Pages\Lecture\LecturePage.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -435,7 +445,9 @@
     <Content Include="Assets\Tiles\kachel_large.png" />
     <Content Include="Assets\Tiles\kachel_medium.png" />
     <Content Include="Assets\Tiles\kachel_small.png" />
-    <Content Include="File\Campusmap\Offlinemap.xml" />
+    <Content Include="File\Campusmap\Offlinemap.xml">
+      <SubType>Designer</SubType>
+    </Content>
     <Content Include="README_FIRST.txt" />
     <Content Include="Toolkit.Content\ApplicationBar.Add.png" />
     <Content Include="Toolkit.Content\ApplicationBar.Cancel.png" />

CampusAppWP8/CampusAppWP8/Model/GeoDb/PlaceModel.cs

@@ -83,5 +83,14 @@ namespace CampusAppWP8.Model.GeoDb
         /// <value>The services.</value>
         [XmlElement("placeService")]
         public ObservableCollection<PlaceService> Services { get; set; }
+
+        /// <summary>Converts this object to a nfc string.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <returns>This object as a string.</returns>
+        public string ToNfcString()
+        {
+            string nfcStr = "{\"pid\":\"" + this.PlaceId + "\",\"parent\":\"" + this.ParentId + "\"}";
+            return nfcStr;
+        }
     }
 }

CampusAppWP8/CampusAppWP8/Pages/Dev/NFC.xaml

@@ -0,0 +1,44 @@
+<phone:PhoneApplicationPage
+    x:Class="CampusAppWP8.Pages.Dev.NFC"
+    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"
+    FontFamily="{StaticResource PhoneFontFamilyNormal}"
+    FontSize="{StaticResource PhoneFontSizeNormal}"
+    Foreground="{StaticResource PhoneForegroundBrush}"
+    SupportedOrientations="Portrait" Orientation="Portrait"
+    mc:Ignorable="d"
+    shell:SystemTray.IsVisible="True">
+
+    <!--LayoutRoot ist das Stammraster, in dem alle anderen Seiteninhalte platziert werden-->
+    <Grid x:Name="LayoutRoot" Background="Transparent">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <!--TitlePanel enthält den Namen der Anwendung und den Seitentitel-->
+        <StackPanel Grid.Row="0" Margin="12,17,0,28">
+            <TextBlock Text="Campusapp" Style="{StaticResource PhoneTextNormalStyle}"/>
+            <TextBlock Text="NFC" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
+        </StackPanel>
+
+        <!--ContentPanel - zusätzliche Inhalte hier platzieren-->
+        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
+            <StackPanel>
+                <TextBlock Name="Writecontent" Height="500"/>
+                <StackPanel Orientation="Horizontal">
+                    <Button Content="Write" Name="Write" HorizontalAlignment="Left"  VerticalAlignment="Top" Click="Write_Click"/>
+                    <Button Content="Prev" Name="Prev" HorizontalAlignment="Left"  VerticalAlignment="Top" Click="Prev_Click"/>
+                    <Button Content="Next" Name="Next" HorizontalAlignment="Left"  VerticalAlignment="Top" Click="Next_Click"/>
+                    <Button Content="Read" Name="Read" HorizontalAlignment="Left" VerticalAlignment="Top" Click="Read_Click"/>
+                </StackPanel>
+            </StackPanel>
+
+        </Grid>
+    </Grid>
+
+</phone:PhoneApplicationPage>

CampusAppWP8/CampusAppWP8/Pages/Dev/NFC.xaml.cs

@@ -0,0 +1,127 @@
+//-----------------------------------------------------------------------
+// <copyright file="NFC.xaml.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>08.08.2013</sience>
+//----------------------------------------------------------------------
+
+namespace CampusAppWP8.Pages.Dev
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Runtime.InteropServices.WindowsRuntime;
+    using System.Windows;
+    using System.Windows.Navigation;    
+    using CampusAppWP8.Model.Campusmap;
+    using CampusAppWP8.Model.GeoDb;
+    using CampusAppWP8.Utility.NDEF;
+    using Microsoft.Phone.Controls;
+    using Windows.Networking.Proximity;
+
+    /// <summary>Nfc page.</summary>
+    /// <remarks>Stubbfel, 22.08.2013.</remarks>
+    public partial class NFC : PhoneApplicationPage
+    {
+        /// <summary>The device.</summary>
+        private readonly ProximityDevice device = ProximityDevice.GetDefault();
+
+        /// <summary>Zero-based index of the act ndef.</summary>
+        private int actNDEFIndex; 
+
+        /// <summary>List of ndefs.</summary>
+        private List<NDEFMessage> ndefList;
+
+        /// <summary>Initializes a new instance of the NFC class.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        public NFC()
+        {
+            this.InitializeComponent();
+            this.ndefList = new List<NDEFMessage>();
+            MapModel map = new CBMainMapModel();
+            foreach (PlaceModel place in map.Spatial.Places)
+            {
+                this.ndefList.Add(new NDEFMessage(place.ToNfcString(), NDEFMessage.TYPEVAL.TEXT));
+            }
+
+            this.actNDEFIndex = 0;
+        }
+
+        /// <summary>Override the OnNavigatedTo method.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="e">Arguments of navigation.</param>
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+            this.Writecontent.Text = this.ndefList[this.actNDEFIndex].GetContent();
+        }
+
+        /// <summary>Handler, called when the publish.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender">   The sender.</param>
+        /// <param name="messageId">Identifier for the message.</param>
+        private void PublishHandler(ProximityDevice sender, long messageId)
+        {
+            this.device.StopPublishingMessage(messageId);
+            this.Dispatcher.BeginInvoke(new Action(() => MessageBox.Show("Writed:" + this.actNDEFIndex)));
+        }
+
+        /// <summary>Handler, called when the ndef.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender"> The sender.</param>
+        /// <param name="message">The message.</param>
+        private void NDEFHandler(ProximityDevice sender, ProximityMessage message)
+        {
+            this.device.StopSubscribingForMessage(message.SubscriptionId);
+            var ndefMessage = message.Data;
+            byte[] testa = ndefMessage.ToArray();
+
+            NDEFMessage ndef = new NDEFMessage(testa);
+            this.Dispatcher.BeginInvoke(new Action(() => MessageBox.Show(ndef.GetContent())));
+        }
+
+        /// <summary>Event handler. Called by Read for click events.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">     Routed event information.</param>
+        private void Read_Click(object sender, RoutedEventArgs e)
+        {
+            this.device.SubscribeForMessage("NDEF", this.NDEFHandler);
+        }
+
+        /// <summary>Event handler. Called by Next for click events.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">     Routed event information.</param>
+        private void Next_Click(object sender, RoutedEventArgs e)
+        {
+            if (this.actNDEFIndex < this.ndefList.Count - 1)
+            {
+                this.actNDEFIndex++;
+                this.Writecontent.Text = this.ndefList[this.actNDEFIndex].GetContent();
+            }
+        }
+
+        /// <summary>Event handler. Called by Prev for click events.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">     Routed event information.</param>
+        private void Prev_Click(object sender, RoutedEventArgs e)
+        {
+            if (this.actNDEFIndex > 0)
+            {
+                this.actNDEFIndex--;
+                this.Writecontent.Text = this.ndefList[this.actNDEFIndex].GetContent();
+            }
+        }
+
+        /// <summary>Event handler. Called by Write for click events.</summary>
+        /// <remarks>Stubbfel, 22.08.2013.</remarks>
+        /// <param name="sender">The sender.</param>
+        /// <param name="e">     Routed event information.</param>
+        private void Write_Click(object sender, RoutedEventArgs e)
+        {
+            this.device.PublishBinaryMessage("NDEF:WriteTag", this.ndefList[this.actNDEFIndex].ToByteArray().AsBuffer(), this.PublishHandler);
+        }
+    }
+}

CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml

@@ -142,6 +142,7 @@
             <shell:ApplicationBar.MenuItems>
                 <shell:ApplicationBarMenuItem Text="Setting" Click="ApplicationBarMenuItem_Click"/>
                 <shell:ApplicationBarMenuItem Text="Setting2" Click="ApplicationBarMenuItem2_Click"/>
+                <shell:ApplicationBarMenuItem Text="Setting3" Click="ApplicationBarMenuItem3_Click"/>
             </shell:ApplicationBar.MenuItems>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>

CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml.cs

@@ -31,6 +31,7 @@ namespace CampusAppWP8.Pages
             this.InitializeComponent();
             ApplicationBarMenuItem menuItem1 = ApplicationBar.MenuItems[0] as ApplicationBarMenuItem;
             ApplicationBarMenuItem menuItem2 = ApplicationBar.MenuItems[1] as ApplicationBarMenuItem;
+            ApplicationBarMenuItem menuItem3 = ApplicationBar.MenuItems[2] as ApplicationBarMenuItem;
             if (menuItem1 != null)
             {
                 menuItem1.Text = AppResources.Setting_UserProfilAppBarTitle;
@@ -41,6 +42,11 @@ namespace CampusAppWP8.Pages
                 menuItem2.Text = AppResources.Setting_ApplAppBarTitle;
             }
 
+            if (menuItem3 != null)
+            {
+                menuItem3.Text = "Nfc";
+            }
+
             if (!Settings.AppSetting.InitApp)
             {
                 this.ShowOptIns();
@@ -126,6 +132,17 @@ namespace CampusAppWP8.Pages
             NavigationService.Navigate(url);
         }
 
+        /// <summary>
+        /// Method Navigate to <see cref="Setting/UserProfil"/>
+        /// </summary>
+        /// <param name="sender">Caller of the function</param>
+        /// <param name="e">some EventArgs</param>
+        private void ApplicationBarMenuItem3_Click(object sender, EventArgs e)
+        {
+            Uri url = new Uri("/Pages/Dev/NFC.xaml", UriKind.Relative);
+            NavigationService.Navigate(url);
+        }
+
         /// <summary>
         /// Method change the Opacity of the ApplicationBar
         /// </summary>

CampusAppWP8/CampusAppWP8/Utility/NDEF/NDEFMessage.cs

@@ -0,0 +1,154 @@
+//-----------------------------------------------------------------------
+// <copyright file="NDEFMessage.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>21.08.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Utility.NDEF
+{
+    using System.Collections.Generic;
+    using System.IO;
+
+    /// <summary>Ndef message.</summary>
+    /// <remarks>Stubbfel, 21.08.2013.</remarks>
+    public class NDEFMessage
+    {
+        #region  Members
+
+        /// <summary>The records.</summary>
+        private List<NDEFRecord> records;
+
+        #endregion
+
+        #region constructors
+
+        /// <summary>Initializes a new instance of the NDEFMessage class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <param name="content">The content.</param>
+        /// <param name="type">   The type.</param>
+        /// <param name="tnf">    (Optional) the tnf.</param>
+        public NDEFMessage(string content, TYPEVAL type, NDEFRecord.TNFVAL tnf = NDEFRecord.TNFVAL.WKT)
+        {
+            this.records = new List<NDEFRecord>();
+            float recordsCount = (float)content.Length / NDEFRecord.MaxRecordPayLoad;
+            NDEFRecord tmpRecord = null;
+            string praefix = NDEFMessage.GetPraefix(type);
+
+            for (int i = 0; recordsCount > 0; i++)
+            {
+                tmpRecord = new NDEFShortRecord();
+                tmpRecord.Type = type;
+                tmpRecord.TNF = tnf;
+                tmpRecord.PayloadPraefix = praefix;
+                int recordsize = 255;
+                if (content.Length < (i + 1) * recordsize)
+                {
+                    recordsize = content.Length - (i * recordsize);
+                }
+
+                tmpRecord.Payload = content.Substring(i * 255, recordsize);
+                if (i == 0)
+                {
+                    tmpRecord.MB = NDEFRecord.NDEFFlags.MBSET;
+                }
+
+                this.records.Add(tmpRecord);
+                recordsCount--;
+            }
+
+            this.records[this.records.IndexOf(tmpRecord)].ME = NDEFRecord.NDEFFlags.MESET;
+        }
+
+        /// <summary>Initializes a new instance of the NDEFMessage class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <param name="array">The array.</param>
+        public NDEFMessage(byte[] array)
+        {
+            this.records = new List<NDEFRecord>();
+
+            NDEFRecord tmpRecord = null;
+            for (int i = 0; i < array.Length; i += tmpRecord.RecordSize)
+            {
+                tmpRecord = new NDEFShortRecord(array, i);
+
+                this.records.Add(tmpRecord);
+            }
+        }
+
+        #endregion
+
+        #region enum
+
+        /// <summary>Values that represent TYPEVAL.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        public enum TYPEVAL
+        {
+            /// <summary>An enum constant representing the empty option.</summary>
+            EMPTY = 0x00,
+
+            /// <summary>An enum constant representing the URL option.</summary>
+            URL = 0x55,
+
+            /// <summary>An enum constant representing the text option.</summary>
+            TEXT = 0x54,
+        }
+
+        #endregion
+
+        #region Methods
+        /// <summary>Gets a praefix.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <param name="type">The type.</param>
+        /// <returns>The praefix.</returns>
+        public static string GetPraefix(TYPEVAL type)
+        {
+            string praefix = string.Empty;
+
+            switch (type)
+            {
+                case TYPEVAL.TEXT:
+                    praefix = "\x02" + "de";
+                    break;
+                case TYPEVAL.URL:
+                    praefix = "\x01";
+                    break;
+                default:
+                    break;
+            }
+
+            return praefix;
+        }
+
+        /// <summary>Gets the content.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <returns>The content.</returns>
+        public string GetContent()
+        {
+            string result = string.Empty;
+
+            foreach (NDEFRecord record in this.records)
+            {
+                result += record.Payload;
+            }
+
+            return result;
+        }
+
+        /// <summary>Converts this object to a byte array.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <returns>This object as a byte[].</returns>
+        public byte[] ToByteArray()
+        {
+            MemoryStream ms = new MemoryStream();
+            foreach (NDEFRecord record in this.records)
+            {
+                ms.Write(record.ToByteArray(), 0, record.RecordSize);
+            }
+
+            return ms.ToArray();
+        }
+
+        #endregion
+    }
+}

CampusAppWP8/CampusAppWP8/Utility/NDEF/NDEFRecord.cs

@@ -0,0 +1,188 @@
+//-----------------------------------------------------------------------
+// <copyright file="NDEFRecord.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>21.08.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Utility.NDEF
+{
+    using System.IO;
+    using System.Text;
+
+    /// <summary>Ndef record of a NDEFMessage.</summary>
+    /// <remarks>Stubbfel, 21.08.2013.</remarks>
+    public abstract class NDEFRecord
+    {
+        #region Members
+
+        /// <summary>The maximum record pay load.</summary>
+        public const int MaxRecordPayLoad = 255;
+
+        /// <summary>Size of the type.</summary>
+        protected const byte TypeSize = 0x01;      
+
+        #endregion
+
+        #region  Constructors
+        /// <summary>Initializes a new instance of the NDEFRecord class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        public NDEFRecord()
+        {
+        }
+
+        /// <summary>Initializes a new instance of the NDEFRecord class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <param name="array">The array.</param>
+        /// <param name="index">(Optional) zero-based index of the.</param>
+        public NDEFRecord(byte[] array, int index = 0)
+        {
+            this.FormatFlags = array[index];
+        }
+
+        #endregion
+
+        #region enum
+
+        /// <summary>Values that represent NDEFFlags.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        public enum NDEFFlags
+        {
+            /// <summary>An Enum constant representing the UNSET option.</summary>
+            UNSET = 0x00,
+
+            /// <summary>An Enum constant representing the Message begin option.</summary>
+            MBSET = 0x80,
+
+            /// <summary>An Enum constant representing the Message end option.</summary>
+            MESET = 0x40,
+
+            /// <summary>An Enum constant representing the CHUNK FLAG option.</summary>
+            CFSET = 0x20,
+
+            /// <summary>An Enum constant representing the Short Record set option.</summary>
+            SRSET = 0x10,
+
+            /// <summary>An Enum constant representing the ID length option.</summary>
+            ILSET = 0x08,
+
+            /// <summary>An enum constant representing the tnfset option.</summary>
+            TNFSET = 0x03
+        }
+
+        /// <summary>Values that represent TNFVAL.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        public enum TNFVAL
+        {
+            /// <summary>An enum constant representing the empty option.</summary>
+            EMPTY = 0x00,
+
+            /// <summary>An enum constant representing the Well-Know-Type option.</summary>
+            WKT = 0x01,
+
+            /// <summary>An enum constant representing the MediaType option.</summary>
+            MEDIATYPE = 0x02,
+
+            /// <summary>An enum constant representing the URI option.</summary>
+            URI = 0x03,
+
+            /// <summary>An enum constant representing the NFCE option.</summary>
+            NFCE = 0x04,
+
+            /// <summary>An enum constant representing the unknow option.</summary>
+            unknow = 0x05,
+
+            /// <summary>An enum constant representing the unchanged option.</summary>
+            UNCHANGED = 0x06,
+
+            /// <summary>An enum constant representing the reserved option.</summary>
+            RESERVED = 0x07
+        }
+
+        #endregion
+
+        #region Properties
+        /// <summary>Gets or sets the MBFlag.</summary>
+        /// <value>The MBFlag.</value>
+        public NDEFFlags MB { get; set; }
+
+        /// <summary>Gets or sets MEFlag.</summary>
+        /// <value>The MEFlag .</value>
+        public NDEFFlags ME { get; set; }
+
+        /// <summary>Gets or sets the CFFlag.</summary>
+        /// <value>The CFFlag.</value>
+        public NDEFFlags CF { get; set; }
+
+        /// <summary>Gets or sets the SRFlag.</summary>
+        /// <value>The SRFlag.</value>
+        public NDEFFlags SR { get; set; }
+
+        /// <summary>Gets or sets the ILFlag.</summary>
+        /// <value>The ILFlag.</value>
+        public NDEFFlags IL { get; set; }
+
+        /// <summary>Gets or sets the TNFField.</summary>
+        /// <value>The TNFField.</value>
+        public TNFVAL TNF { get; set; }
+
+        /// <summary>Gets or sets the type.</summary>
+        /// <value>The type.</value>
+        public NDEFMessage.TYPEVAL Type { get; set; }
+
+        /// <summary>Gets or sets the format flags.</summary>
+        /// <value>The format flags.</value>
+        public byte FormatFlags
+        {
+            get
+            {
+                return (byte)((byte)this.TNF | ((byte)this.MB) | ((byte)this.ME) | ((byte)this.CF) | ((byte)this.SR) | ((byte)this.IL));
+            }            
+            
+            protected set
+            {
+                this.TNF = (TNFVAL)(value & (byte)NDEFFlags.TNFSET);
+                this.MB = (NDEFFlags)(value & (byte)NDEFFlags.MBSET);
+                this.ME = (NDEFFlags)(value & (byte)NDEFFlags.MESET);
+                this.CF = (NDEFFlags)(value & (byte)NDEFFlags.CFSET);
+                this.SR = (NDEFFlags)(value & (byte)NDEFFlags.SRSET);
+                this.IL = (NDEFFlags)(value & (byte)NDEFFlags.ILSET);
+            }
+        }
+
+        /// <summary>Gets or sets the payload.</summary>
+        /// <value>The payload.</value>
+        public string Payload { get; set; }
+
+        /// <summary>Gets the size of the record.</summary>
+        /// <value>The size of the record.</value>
+        public int RecordSize
+        {
+            get
+            {
+                return this.HeaderSize + this.Payload.Length + this.PayloadPraefix.Length;
+            }
+        }
+
+        /// <summary>Gets or sets the payload praefix.</summary>
+        /// <value>The payload praefix.</value>
+        public string PayloadPraefix { get; set; }
+
+        /// <summary>Gets or sets the size of the header.</summary>
+        /// <value>The size of the header.</value>
+        protected int HeaderSize { get; set; }
+
+        #endregion
+
+        #region Methods
+
+        /// <summary>Converts the record to a byte array.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <returns>This object as a byte[].</returns>
+        public abstract byte[] ToByteArray();
+
+        #endregion
+    }
+}
+
+// End of Utility\NDEF\NDEFRecord.cs

CampusAppWP8/CampusAppWP8/Utility/NDEF/NDEFShortRecord.cs

@@ -0,0 +1,63 @@
+//-----------------------------------------------------------------------
+// <copyright file="NDEFShortRecord.cs" company="BTU/IIT">
+//     Company copyright tag.
+// </copyright>
+// <author>stubbfel</author>
+// <sience>21.08.2013</sience>
+//----------------------------------------------------------------------
+namespace CampusAppWP8.Utility.NDEF
+{
+    using System.Text;
+
+    /// <summary>Ndef short record.</summary>
+    /// <remarks>Stubbfel, 21.08.2013.</remarks>
+    public class NDEFShortRecord : NDEFRecord
+    {
+        /// <summary>Initializes a new instance of the NDEFShortRecord class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        public NDEFShortRecord()
+        {
+            this.HeaderSize = 4;
+            this.SR = NDEFFlags.SRSET;
+            this.IL = NDEFFlags.UNSET;
+            this.CF = NDEFFlags.UNSET;
+        }
+
+        /// <summary>Initializes a new instance of the NDEFShortRecord class.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <param name="array">The array.</param>
+        /// <param name="index">(Optional) zero-based index of the.</param>
+        public NDEFShortRecord(byte[] array, int index = 0)
+            : base(array)
+        {
+            this.HeaderSize = 4;
+            this.Type = (NDEFMessage.TYPEVAL)array[index + 3];
+            this.PayloadPraefix = NDEFMessage.GetPraefix(this.Type);
+            int payLoadSize = array[index + 2] - this.PayloadPraefix.Length;
+            this.Payload = Encoding.UTF8.GetString(array, index + this.HeaderSize + this.PayloadPraefix.Length, payLoadSize);
+        }
+
+        /// <summary>Converts this NDEFShortRecord to a byte array.</summary>
+        /// <remarks>Stubbfel, 21.08.2013.</remarks>
+        /// <returns>This object as a byte[].</returns>
+        public override byte[] ToByteArray()
+        {
+            byte[] payloadAr = Encoding.UTF8.GetBytes(this.PayloadPraefix + this.Payload);
+            byte[] array = new byte[payloadAr.Length + this.HeaderSize];
+
+            array[0] = this.FormatFlags;
+            array[1] = NDEFRecord.TypeSize;
+            array[2] = (byte)(Payload.Length + this.PayloadPraefix.Length);
+            array[3] = (byte)this.Type;
+
+            int i = this.HeaderSize;
+            foreach (byte b in payloadAr)
+            {
+                array[i] = b;
+                i++;
+            }
+
+            return array;
+        }
+    }
+}

CampusAppWP8/CampusAppWP8/Utility/Utilities.cs

@@ -12,11 +12,14 @@ namespace CampusAppWP8.Utility
     using System.Device.Location;
     using System.Globalization;
     using System.Linq;
+    using System.Runtime.InteropServices.WindowsRuntime;  
     using System.Threading;
     using System.Windows;
     using System.Windows.Controls;
     using System.Windows.Media;
     using CampusAppWP8.Resources;
+    using CampusAppWP8.Utility.NDEF;
+    using Windows.Networking.Proximity;
 
     /// <summary>
     /// Collection of utility functions.
@@ -224,6 +227,7 @@ namespace CampusAppWP8.Utility
                 // set to 0 point, if access to device is not allow
                 geoposition = new GeoPosition<GeoCoordinate>();
                 geoposition.Location = new GeoCoordinate(0, 0);
+                geoposition.Timestamp = DateTime.Now;
             }
 
             watcher.Stop();
@@ -242,9 +246,16 @@ namespace CampusAppWP8.Utility
                 string lat = geoposition.Location.Latitude.ToString(CultureInfo.InvariantCulture);
                 string log = geoposition.Location.Longitude.ToString(CultureInfo.InvariantCulture);
                 string time = geoposition.Timestamp.Ticks.ToString();
-                App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Lat, lat);
-                App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Long, log);
-                App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Time, time);
+                try
+                {
+                    App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Lat, lat);
+                    App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Long, log);
+                    App.SaveToAppState<string>(Constants.GeoWatch_CurrentPosition_Time, time);
+                }
+                catch (Exception ex)
+                {
+                    Logger.LogException(ex);
+                }
             }
         }