Resume the User’s Music after MediaPlay

<phone:PhoneApplicationPage 
    x:Class="ResumeMusicPlayTest.SSMediaElementPage"
    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:ssme="clr-namespace:Microsoft.Web.Media.SmoothStreaming;assembly=Microsoft.Web.Media.SmoothStreaming"
    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" d:DesignHeight="768" d:DesignWidth="480"
    shell:SystemTray.IsVisible="True">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <ssme:SmoothStreamingMediaElement x:Name="ssMediaElement" 
                      Margin="0,0,0,0" 
                      HorizontalAlignment="Stretch"
                      AutoPlay="True"
                      Stretch="Uniform" 
                      Volume="50" 
                      ManipulationStarted="ssMediaElement_ManipulationStarted"
                      MediaEnded="ssMediaElement_MediaEnded"
                      CurrentStateChanged="ssMediaElement_CurrentStateChanged"                   
                      ManifestReady ="ssMediaElement_ManifestReady"
                      MediaFailed ="ssMediaElement_MediaFailed"
                      MediaOpened ="ssMediaElement_MediaOpened"
                      BufferingProgressChanged ="ssMediaElement_BufferingProgressChanged"
                      DownloadProgressChanged ="ssMediaElement_DownloadProgressChanged"
                      DownloadTrackChanged ="ssMediaElement_DownloadTrackChanged"
                      LiveEventCompleted ="ssMediaElement_LiveEventCompleted"

                      PlaybackTrackChanged ="ssMediaElement_PlaybackTrackChanged"
                      SmoothStreamingErrorOccurred ="ssMediaElement_SmoothStreamingErrorOccurred"
                      LogReady ="ssMediaElement_LogReady"
                                          />
    </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>