我已经使用MyToolkit在我的Windows phone8应用程序中嵌入了Youtube视频,它在网络连接下工作得很好,但是当我关闭WiFi并在我的应用程序中启动视频时,它崩溃了,所以我想显示一条消息告诉用户“没有网络连接”,并导航回"MainPage.xaml“而不是崩溃,这是我使用的代码
private async void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
var videoUri = await MyToolkit.Multimedia.YouTube.GetVideoUriAsync("Youtube_ID", MyToolkit.Multimedia.YouTubeQuality.Quality480P, MyToolkit.Multimedia.YouTubeQuality.Quality480P);
if (videoUri != null)
player.Source = videoUri.Uri;
}这是Xaml代码
<Grid HorizontalAlignment="Stretch" Height="Auto" VerticalAlignment="Top" Width="Auto">
<mmppf:MediaPlayer x:Name="player" HorizontalAlignment="Stretch" Width="Auto"/>
</Grid>谢谢
发布于 2015-02-03 20:28:36
尝试此var MyToolkit.Multimedia.YouTube.GetVideoUriAsync("Youtube_ID",MyToolkit.Multimedia.YouTubeQuality.Quality480P) = await videoUri
发布于 2014-07-31 08:46:42
将await方法包含在try catch中:
private async void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
bool videoSuccess = true;
try {
var videoUri = await MyToolkit.Multimedia.YouTube.GetVideoUriAsync("Youtube_ID", MyToolkit.Multimedia.YouTubeQuality.Quality480P, MyToolkit.Multimedia.YouTubeQuality.Quality480P);
if (videoUri != null)
player.Source = videoUri.Uri;
}
catch (Exception e) { // Debug and find out which exception is being thrown
videoSuccess = false;
}
if (videoSuccess == false) {
await MessageDialog.ShowAsync("Video couldn't be played.","No Internet"); }
}https://stackoverflow.com/questions/19318149
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