Question

我想我的应用程序一起播放四个声音，我有四个MediaElements。当我运行app时，四个声音中只有三个发挥最佳效果。

MediaElement sound1 = new MediaElement { Source = new Uri("ms-appx:///Sounds/sound1.mp3"), AutoPlay = false };
MediaElement sound2 = new MediaElement { Source = new Uri("ms-appx:///Sounds/sound2.mp3"), AutoPlay = false };
MediaElement sound3 = new MediaElement { Source = new Uri("ms-appx:///Sounds/sound3.mp3"), AutoPlay = false };
MediaElement backgroundMusic = new MediaElement { Source = new Uri("ms-appx:///Sounds/backgroundMusic .mp3"), AutoPlay = true, Volume = 1, IsLooping = true };

backgroundMusic必须始终播放，并且点击按钮后必须播放sound1，sound2，sound3。

Answer 1

MediaElements类一次只播放一个声音，您必须使用SoundEffect类。

1st：将参考（Microsofot.Xna.Framework）添加到您的项目中。

第二：你需要在你的page.xaml

中添加这两个类

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;

第3名：试试这段代码。

public partial class Testing : PhoneApplicationPage
{
    SoundEffect Sound1;
    SoundEffect Sound2;
    public Testing()

    {
        InitializeComponent();

   // Load the sound file
    StreamResourceInfo Sound1 = Application.GetResourceStream(new Uri("Assets/sound1.mp3", UriKind.Relative));      

    StreamResourceInfo Sound2 = Application.GetResourceStream(new Uri("Assets/sound1.mp3", UriKind.Relative));

    Sound1 = SoundEffect.FromStream(Sound1.Stream);
    Sound2 = SoundEffect.FromStream(Sound2.Stream);
    Microsoft.Xna.Framework.FrameworkDispatcher.Update();

    }

    private void Sound1_Tap(object sender, System.Windows.Input.GestureEventArgs e)
    {
        Sound1.Play();
        Sound2.Play();
    }
}

确保添加声音文件设置为内容，这只是选择歌曲并转到其属性，你会发现那里的构建动作将其值更改为＆＃34;内容＆＃34 ;

如何在Windows Phone 8 / 8.1应用程序中播放多个媒体元素

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