如何将 Cortana 与 Windows Phone 8.1 应用集成 ( Voice command - Natural language recognition )

VoiceCommands xmlns="http://schemas.microsoft.com/voicecommands/1.1">
    
    CommandSet xml:lang="zh-CN" Name="chineseCommands">
        
        CommandPrefix> 微软 文档 CommandPrefix>
        
        Example> 搜索 构造 函数 Example>

        Command Name="MSDNSearch">
            
            Example> 搜索 构造 函数‘ Example>

            
            ListenFor> 查找 {dictatedSearchTerms} ListenFor>
            ListenFor> 搜 {dictatedSearchTerms} ListenFor>
            ListenFor> 搜索  {dictatedSearchTerms} ListenFor>
            ListenFor> 查 {dictatedSearchTerms} ListenFor>
            ListenFor> 找 {dictatedSearchTerms} ListenFor>

          
            Feedback> 查找 MSDN... Feedback>

            
            Navigate Target="MainPage.xaml" />
        Command>

        Command Name="MSDNNaturalLanguage">
            Example> 我 想 去 Windows 手机 开发 中心 Example>
            ListenFor> {naturalLanguage} ListenFor>
            Feedback> 启动 MSDN... Feedback>
            Navigate Target="MainPage.xaml" />
        Command>

        PhraseTopic Label="dictatedSearchTerms" Scenario="Search">
            Subject> MSDN Subject>
        PhraseTopic>

        PhraseTopic Label="naturalLanguage" Scenario="Natural Language">
            Subject> MSDN Subject>
        PhraseTopic>

    CommandSet>
VoiceCommands>

        /// 

        /// Installs the Voice Command Definition (VCD) file associated with the application.
        /// Based on OS version, installs a separate document based on version 1.0 of the schema or version 1.1.
        /// 
        private async void InstallVoiceCommands()
        {
            const string wp80vcdPath = "ms-appx:///VoiceCommandDefinition_8.0.xml";
            const string wp81vcdPath = "ms-appx:///VoiceCommandDefinition_8.1.xml";
            const string chineseWp80vcdPath = "ms-appx:///ChineseVoiceCommandDefinition_8.0.xml";
            const string chineseWp81vcdPath = "ms-appx:///ChineseVoiceCommandDefinition_8.1.xml";

            try
            {
                bool using81orAbove = ((Environment.OSVersion.Version.Major >= 8)
                    && (Environment.OSVersion.Version.Minor >= 10));

                string vcdPath = using81orAbove ? wp81vcdPath : wp80vcdPath;
                if (InstalledSpeechRecognizers.Default.Language.Equals("zh-CN", StringComparison.InvariantCultureIgnoreCase))
                {
                    vcdPath = using81orAbove ? chineseWp81vcdPath : chineseWp80vcdPath;
                }

                Uri vcdUri = new Uri(vcdPath);
                await VoiceCommandService.InstallCommandSetsFromFileAsync(vcdUri);
            }
            catch (Exception vcdEx)
            {
                Dispatcher.BeginInvoke(() =>
                {
                    MessageBox.Show(String.Format(
                        AppResources.VoiceCommandInstallErrorTemplate, vcdEx.HResult, vcdEx.Message));
                });
            }
        }

        /// 

        /// Takes specific action for a retrieved VoiceCommand name.
        /// 
        ///  the command name triggered to activate the application 
        private void HandleVoiceCommand(string voiceCommandName)
        {
            // Voice Commands can be typed into Cortana; when this happens, "voiceCommandMode" is populated with the
            // "textInput" value. In these cases, we‘ll want to behave a little differently by not speaking back.
            bool typedVoiceCommand = (NavigationContext.QueryString.ContainsKey("commandMode") 
                && (NavigationContext.QueryString["commandMode"] == "text"));

            string phraseTopicContents = null;
            bool doSearch = false;

            switch (voiceCommandName)
            {
                case "MSDNNaturalLanguage":
                    if (NavigationContext.QueryString.TryGetValue("naturalLanguage", out phraseTopicContents)
                        && !String.IsNullOrEmpty(phraseTopicContents))
                    {
                        // We‘ll try to process the input as a natural language query; if we‘re successful, we won‘t
                        // fall back into searching, since the query will have already been handled.
                        doSearch = TryHandleNlQuery(phraseTopicContents, typedVoiceCommand);
                    }
                    break;
                case "MSDNSearch":
                    // The user explicitly asked to search, so we‘ll attempt to retrieve the query.
                    NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out phraseTopicContents);
                    doSearch = true;
                    break;
            }

            if (doSearch)
            {
                HandleSearchQuery(phraseTopicContents, typedVoiceCommand);
            }
        }