Now we go back to Windows Phone for the last implementation. See how tricky it can be when you have to switch between multiple platforms. Imagine if we had to change languages and re-write IoC containers; the amount of work would be much greater. Not only that, there would be no point in using IoC, because we cannot share any code.
So firstly, don't forget to import the nuget package for Autofac:
Now that we have access to the Autofac framework, let's continue implementing the text to speech service. Start with adding a new folder called Services, then add the TextToSpeechWinPhone.cs file and implement it:
public class TextToSpeechWinPhone : ITextToSpeech
{
public async void Speak(string text)
{
MediaElement mediaElement = new MediaElement ();
var synth = new Windows.Media.SpeechSynthesis. SpeechSynthesizer ();
SpeechSynthesisStream...