//播放特定位置的音频
public async void PlayMedia(int index)
{
mediaFilePlaying = mediaFileInfos[index];
mediaIndex = index;
var stream = await mediaFilePlaying.mediaFile.OpenAsync(Windows.Storage.FileAccessMode.Read);
MediaPlayer.SetSource(stream, mediaFilePlaying.mediaFile.ContentType);
}
//播放当前音频
public async void PlayMedia()
{
if (mediaFilePlaying == null)
{
mediaFilePlaying = mediaFileInfos[0];
mediaIndex = 0;
var stream = await mediaFilePlaying.mediaFile.OpenAsync(Windows.Storage.FileAccessMode.Read);
MediaPlayer.SetSource(stream, mediaFilePlaying.mediaFile.ContentType);
}
Title.Text = mediaFilePlaying.name;
}
//播放下一音频
public async void NextMediaAsync()
{
++mediaIndex;
if (mediaIndex >= mediaFileInfos.Count)
{
;
mediaIndex = 0;
}
mediaFilePlaying = mediaFileInfos[mediaIndex];
var stream = await mediaFilePlaying.mediaFile.OpenAsync(Windows.Storage.FileAccessMode.Read);
MediaPlayer.SetSource(stream, mediaFilePlaying.mediaFile.ContentType);
Title.Text = mediaFilePlaying.name;
}