private void AppBarButtonPlay_Click(object sender, RoutedEventArgs e)
{
if (AudioPlay.IsMyBackgroundTaskRunning)
{
if (MediaPlayerState.Playing == BackgroundMediaPlayer.Current.CurrentState)
{
//正在播放，播放暂停
BackgroundMediaPlayer.Current.Pause();
//控件状态 显示播放
SetPlayButtonState(false);
}
else if (MediaPlayerState.Paused == BackgroundMediaPlayer.Current.CurrentState)
{
BackgroundMediaPlayer.Current.Play();
//控件状态 显示暂停
SetPlayButtonState(true);
}
else if (MediaPlayerState.Closed == BackgroundMediaPlayer.Current.CurrentState)
{
var message = new ValueSet();
message.Add("playsinglefile", "ms-appx:///Assets/VideoSample/Media/红豆.mp3");
BackgroundMediaPlayer.SendMessageToBackground(message);
//控件状态 显示暂停
SetPlayButtonState(true);
}
}
else
{
MyToast.ShowToast("提示", "暂无音乐播放，请先选一首歌曲");
}
}
private void Image_Tapped(object sender, TappedRoutedEventArgs e)
{
Image im = sender as Image;
bool isBegin = false;
if (im.Name == "ImageStart")
{
this.ImageStart.Visibility = Visibility.Collapsed;
this.ImagePauset.Visibility = Visibility.Visible;
isBegin = true;
}
else
{
this.ImageStart.Visibility = Visibility.Visible;
this.ImagePauset.Visibility = Visibility.Collapsed;
}
if (!isBegin)
{
_download.PauseAll();
}
else
{
if (_download == null)
{
string url = CommonString.URL;
_download = new BackgroundDownload();
_download.GetPercent += (current, total) =>
{
PBarDownload.Value = current;
TextBlockPercent.Text = current + "%";
if (current >= 100)
{
TextBlockState.Text = "下载完成";
_download = null;
MyToast.ShowToast(" ", Global.Current.Globalization.Video_DownloadMessage);
}
};
_download.ErrorException += (o, s) =>
{
TextBlockState.Text = "下载错误 " + s;
};
TextBlockState.Text = "下载进度";
TextBlockPercent.Text = 0 + "%";
PBarDownload.Value = 0;
_download.StartDownload(url);
}
else
{
TextBlockState.Text = Global.Current.Globalization.Video_Downloading;
_download.ResumeAll();
}
}
}
