MediaElement 不播放来自 WP7 流的音频 [英] MediaElement not playing audio from stream WP7

问题描述

 string url = re["response"][0]["url"].ToString();
 MediaElement mm = new MediaElement();
 mm.Source = new Uri(url,UriKind.RelativeOrAbsolute);
 mm.AutoPlay = true;
 mm.Volume = 0.7;
 mm.Play();

但是没有变化，音频没有启动.我该如何解决这个问题?

But no changes, the adudio not starts.How I can resolve this?

推荐答案

您需要在播放之前将 MediaElement 添加到 VisualTree，因为您是在代码隐藏中创建它.例如，假设您有 LayoutRoot 并且您的 url 是正确的，这应该可以工作.

You need to add your MediaElement to your VisualTree before playing it, since you're creating it in the codebehind. For example, assuming you have LayoutRoot and that your url is correct, this should work.

string url = re["response"][0]["url"].ToString();
MediaElement mm = new MediaElement();
mm.Source = new Uri(url,UriKind.RelativeOrAbsolute);
mm.AutoPlay = true;
mm.Volume = 0.7;
LayoutRoot.Children.Add(mm);
mm.Play();

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