<VoiceCommands xmlns="http://schemas.microsoft.com/voicecommands/1.2"><CommandSet xml:lang="zh-hans"><AppName>乐器收藏</AppName><Example>“乐器收藏 展现列表”，或者“乐器收藏 显示列表”</Example><Command Name="show"><Example>展现列表，或者 显示列表</Example><ListenFor>[展现]列表</ListenFor><ListenFor>显示列表</ListenFor><VoiceCommandService Target="vcfav"/></Command></CommandSet>
</VoiceCommands>

    public sealed class BTask : IBackgroundTask{BackgroundTaskDeferral taskDerral = null;VoiceCommandServiceConnection serviceConnection = null;public async void Run(IBackgroundTaskInstance taskInstance){

        public async void Run(IBackgroundTaskInstance taskInstance){taskDerral = taskInstance.GetDeferral();AppServiceTriggerDetails details = taskInstance.TriggerDetails as AppServiceTriggerDetails;// 验证是否调用了正确的app serviceif (details == null || details.Name != "vcfav"){taskDerral.Complete();return;}serviceConnection = VoiceCommandServiceConnection.FromAppServiceTriggerDetails(details);

            if (serviceConnection != null){serviceConnection.VoiceCommandCompleted += ServiceConnection_VoiceCommandCompleted;// 获取被识别的语音命令VoiceCommand cmd = await serviceConnection.GetVoiceCommandAsync();if (cmd.CommandName == "show"){// 获取测试数据，用于生成磁块列表var tiles = await BaseData.GetData();// 定义返回给小娜面板的消息VoiceCommandUserMessage msgback = new VoiceCommandUserMessage();msgback.DisplayMessage = msgback.SpokenMessage = "请选择要收藏的乐器。";// 第二消息，必须项VoiceCommandUserMessage msgRepeat = new VoiceCommandUserMessage();msgRepeat.DisplayMessage = msgRepeat.SpokenMessage = "请选择你要收藏的乐器。";// 把消息发回到小娜面板，待用户选择VoiceCommandResponse response = VoiceCommandResponse.CreateResponseForPrompt(msgback, msgRepeat, tiles);VoiceCommandDisambiguationResult selectedRes = await serviceConnection.RequestDisambiguationAsync(response);// 看看用户选了什么VoiceCommandContentTile selecteditem = selectedRes.SelectedItem;// 保存已选择的乐器
                    SaveSettings(selecteditem.Title);// 回传给小娜面板，报告本次操作完成msgback.DisplayMessage = msgback.SpokenMessage = "好了，你收藏了" + selecteditem.Title + "。";response = VoiceCommandResponse.CreateResponse(msgback);await serviceConnection.ReportSuccessAsync(response);taskDerral.Complete();}}

        private void SaveSettings(object value){ApplicationDataContainer data = ApplicationData.Current.LocalSettings;data.Values["fav"] = value;}

    internal class BaseData{public static async Task<IEnumerable<VoiceCommandContentTile>> GetData(){IList<VoiceCommandContentTile> tiles = new List<VoiceCommandContentTile>();// 获取数据var filedatas = await GetFiles();// 添加磁块列表for (uint n = 0; n < filedatas.Length; n++){if (tiles.Count >= VoiceCommandResponse.MaxSupportedVoiceCommandContentTiles){break;}VoiceCommandContentTile tile = new VoiceCommandContentTile();tile.ContentTileType = VoiceCommandContentTileType.TitleWith68x68IconAndText;tile.Image = filedatas[n].Item1;tile.Title = filedatas[n].Item2;tile.TextLine1 = filedatas[n].Item3;tiles.Add(tile);}return tiles.ToArray(); ;}private async static Task<Tuple<StorageFile, string, string>[]> GetFiles(){string uh = "ms-appx:///Assets/";// 笛子Uri u1 = new Uri(uh + "笛子.png");// 鼓Uri u2 = new Uri(uh + "鼓.png");// 大提琴Uri u3 = new Uri(uh + "大提琴.png");// 二胡Uri u4 = new Uri(uh + "二胡.png");// 古琴Uri u5 = new Uri(uh + "古琴.png");// 获取文件对象StorageFile imgFile1 = await StorageFile.GetFileFromApplicationUriAsync(u1);StorageFile imgFile2 = await StorageFile.GetFileFromApplicationUriAsync(u2);StorageFile imgFile3 = await StorageFile.GetFileFromApplicationUriAsync(u3);StorageFile imgFile4 = await StorageFile.GetFileFromApplicationUriAsync(u4);StorageFile imgFile5 = await StorageFile.GetFileFromApplicationUriAsync(u5);// 创建三元组列表Tuple<StorageFile, string, string> item1 = new Tuple<StorageFile, string, string>(imgFile1, "笛子", "声音空远悠扬，灵动飘逸。");Tuple<StorageFile, string, string> item2 = new Tuple<StorageFile, string, string>(imgFile2, "鼓", "乐声雄浑，劲力深透。");Tuple<StorageFile, string, string> item3 = new Tuple<StorageFile, string, string>(imgFile3, "大提琴", "音质宏厚。");Tuple<StorageFile, string, string> item4 = new Tuple<StorageFile, string, string>(imgFile4, "二胡", "意绵绵，略带凄婉。");Tuple<StorageFile, string, string> item5 = new Tuple<StorageFile, string, string>(imgFile5, "古琴", "音质沉厚，古朴淡雅，可传情达意。");return new Tuple<StorageFile, string, string>[] { item1, item2, item3, item4, item5 };}}

      <Extensions><uap:Extension Category="windows.appService" EntryPoint="BgService.BTask"><uap:AppService Name="vcfav"/></uap:Extension></Extensions>

            StorageFile vcdfile = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///vcd.xml"));await VoiceCommandDefinitionManager.InstallCommandDefinitionsFromStorageFileAsync(vcdfile);