Pause media playback when navigating away from mediaplay page (#1338)

microsoft · Aug 29, 2023 · 90f0882 · 90f0882
1 parent 5ab6b6f
commit 90f0882
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Showing 2 changed files with 19 additions and 4 deletions.
diff --git a/WinUIGallery/ControlPages/MediaPlayerElementPage.xaml b/WinUIGallery/ControlPages/MediaPlayerElementPage.xaml
@@ -1,12 +1,12 @@
-<Page x:Class="AppUIBasics.ControlPages.MediaPlayerElementPage"
+<Page x:Class="AppUIBasics.ControlPages.MediaPlayerElementPage"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:AppUIBasics"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d">
     <StackPanel>
         <local:ControlExample x:Name="Example1" HeaderText="A MediaPlayerElement with transport controls.">
             <local:ControlExample.Example>
-                <MediaPlayerElement Source="ms-appx:///Assets/SampleMedia/ladybug.wmv" MaxWidth="400" AutoPlay="False"
+                <MediaPlayerElement x:Name="Player1" Source="ms-appx:///Assets/SampleMedia/ladybug.wmv" MaxWidth="400" AutoPlay="False"
                         AreTransportControlsEnabled="True" />
             </local:ControlExample.Example>
             <local:ControlExample.Xaml>
@@ -20,7 +20,7 @@
         </local:ControlExample>
         <local:ControlExample x:Name="Example2" HeaderText="A MediaPlayerElement that autoplays the video.">
             <local:ControlExample.Example>
-                <MediaPlayerElement Source="ms-appx:///Assets/SampleMedia/fishes.wmv" MaxWidth="400" AutoPlay="True" />
+                <MediaPlayerElement x:Name="Player2" Source="ms-appx:///Assets/SampleMedia/fishes.wmv" MaxWidth="400" AutoPlay="True" />
             </local:ControlExample.Example>
             <local:ControlExample.Xaml>
                 <x:String xml:space="preserve">

diff --git a/WinUIGallery/ControlPages/MediaPlayerElementPage.xaml.cs b/WinUIGallery/ControlPages/MediaPlayerElementPage.xaml.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -21,5 +21,20 @@ public MediaPlayerElementPage()
         {
             this.InitializeComponent();
         }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+            // Needed if this page is getting cached due to the navigation stack.
+            Player2.MediaPlayer.Play();
+        }
+
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            base.OnNavigatedFrom(e);
+            // Pause media playback since we are no longer visible to the user
+            Player1.MediaPlayer.Pause();
+            Player2.MediaPlayer.Pause();
+        }
     }
 }