Background Music - MediaElement

[Shayan Rais]

I have declared a MediaElement in my App.xaml for playing background music so that the music dont stop durring Frame Navigation.

But,
I am unable that MediaElement(declaredin App.xaml) in my other pages like(MainMenu.xaml, Page1.xaml) to stop or replay background music.

how do I pass that MediaElement to other pages?

[WPMorocco]

Hello,
Try using a Audio Play back Agent, here's the link for a How-to from MSDN : http://msdn.microsoft.com/en-us/libr...v=vs.105).aspx

Hope this helps,

[Shayan Rais]

Thanks for the reply WPMorocco .
I will try that out

I just want to know that .. Is there any method to acess APP.XAML elements in other pages.?

[WPMorocco]

Yes you can

public static string test;

And then access it using : App.test

[Shayan Rais]

I mean APP.XAML

Like
<MediaElement x:Name="MediaPlayer" Source="Audio/Background.mp3" AutoPlay="True" />

how do I acess "MediaPlayer" even in App.Xaml.cs

[Loukt]

I mean APP.XAML

Like
<MediaElement x:Name="MediaPlayer" Source="Audio/Background.mp3" AutoPlay="True" />

how do I acess "MediaPlayer" even in App.Xaml.cs

App.xaml don't have a LayoutRoot so basically you're going to put the MediaElement in the

 <Application.Resources> <MediaElement x:Key="YourKey" ... /> </Application.Resources>

and simply get that resource from anywhere in your app, using this code

MediaElement myMedia = App.Current.Resources["YourKey"] as MediaElement;

You may have some certification issues doing so.
check the link below
http://stackoverflow.com/questions/1...y-throung-xaml

[Shayan Rais]

Thank You Loukt
Problem Solved

[Shayan Rais]

I am using Audio Play back Agent, as suggested by WPMorocco

The problem I am facing in Application_Activated Method

       private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            if (PlayState.Paused== BackgroundAudioPlayer.Instance.PlayerState)
            {
                BackgroundAudioPlayer.Instance.Play();
            }
        }

       private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            if (PlayState.Playing == BackgroundAudioPlayer.Instance.PlayerState)
            {
                BackgroundAudioPlayer.Instance.Pause();
            }
        }

This code is working fine , if I navigate back using Windows Button(HOME key) and return using the Back button

and on lockScreen , BackgroundAudioPlayer.Instance.Pause(); is called

but on Unlocking Screen, BackgroundAudioPlayer.Instance.Play(); in the Application_Activated is not playing .. and No Audio is played once I returned to my app after Unlocking Screen.

[Shayan Rais]

I have figure out the solution.

on lockScreen,
PlayerState changes to PlayState.Stopped instead of PlayState.Paused

SOLUTION:

Changes in PlayTrack Method in AudioPlayer.cs

 private void PlayTrack(BackgroundAudioPlayer player)
{
 if (PlayState.Paused == player.PlayerState || PlayState.Stopped == player.PlayerState)
            {
                // If we're paused, we already have 
                // the track set, so just resume playing.
                player.Play();
            }
            else
            {
                // Set which track to play. When the TrackReady state is received 
                // in the OnPlayStateChanged handler, call player.Play().
                player.Track = _playList[currentTrackNumber];
            }
}

Changes in Application_Activated Method in App.xaml.cs

 private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            if (PlayState.Stopped == BackgroundAudioPlayer.Instance.PlayerState || PlayState.Paused == BackgroundAudioPlayer.Instance.PlayerState)
            {
                BackgroundAudioPlayer.Instance.Play();
            }
        }