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![Using Slots
private SkillResponse
HandleTemperatureIntent(IntentRequest r)
{
var amount = r.Intent.Slots["amount"].Value;
var temperatureUnit =
r.Intent.Slots["temperatureunit"].Value;
return ResponseBuilder.Tell(
$"It's {amount} degrees {temperatureUnit}...");
}](https://image.slidesharecdn.com/alexa-180515113747/85/NET-Alexa-and-me-48-320.jpg)
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.NET, Alexa and me
- 1.
- 2. .NET, Alexa andme Perfect voice assistant for .NET dev? Rafał Hryniewski Amazon Alexa
- 3.
- 4. ... and RafałHryniewski @r_hryniewskifb.me/hryniewskinet
- 8. Agenda • We’ve met •Short history of voice recognition • Here and now • Why Alexa? • First contact • Working with voice • Session, dialogs and other tools • Where’s money in that • Connecting with existing solution
- 9.
- 10. Long time agoin sci-fi realm Fot. https://www.flickr.com/photos/ikrichter/20355251321
- 11. 1922 – RadioRex • Recognized it’s name Fot. https://www-03.ibm.com/ibm/history/exhibits/specialprod1/specialprod1_7.html
- 12. 1961 – IBMShoebox • Recognized 16 words (‘plus’, ‘minus’ etc.) and digits. • Basically voice controlled calculator • IBM demonstration: https://www.youtube.com/wat ch?v=rQco1sa9AwU Fot. https://www-03.ibm.com/ibm/history/exhibits/specialprod1/specialprod1_7.html
- 13. Few others • 1976– DARPA’s Harpy – Recognized 1011 words • 1990 – Dragon Dictate – Recognized 5000, allowed for controlling PC with voice • 2003 – Voice Recognition for Office XP
- 14. 2011 - AppleSiri 2012 - Google Now 2014 - Microsoft Cortana 2014 - Amazon Alexa
- 15. Platforms today • Alexa •Siri • Cortana • Google Now • Others https://en.wikipedia.org/wiki/Category:Virtual_assistants
- 16. Why Alexa? • Jakisobrazek Fot. http://hdw.eweb4.com/wallpapers/4257/
- 17. Devices Siri Google NowCortana Alexa Apple Home Pod Google Home Mini Harman Cardon Invoke Echo Dot 349$ 49$ 99$ 49$
- 18. Apple Siri • Programmingonly in Swift and Objective-C • Expensive and not very good device Fot. https://giphy.com/gifs/no-cat-nR4L10XlJcSeQ
- 19. Google Now • I’mnot familiar with Android Environment Fot. https://giphy.com/gifs/W5YVAfSttCqre
- 20. Microsoft Cortana • Nodevices by Microsoft • I’ve trusted them with Windows Phone before Fot. https://giphy.com/gifs/reaction-imgfave-RddAJiGxTPQFa
- 21. Amazon Alexa • Icould use C# • Cloud based • Easy integration with any existing app • A lot of devices • Growing platform Fot. https://giphy.com/gifs/people-hd-gifsremastered-10Jpr9KSaXLchW
- 22. Other Devices Echo EchoPlus Echo Spot Echo Show Better sound quality Built-in smart home hub Small display Better display and sound 99$ 150$ 130$ 230$
- 23. And Echo Look •200$ • Take pictures and videos using voice commands • Allows to categorize your wardrobe! • Gives fashion advice based on machine learning!!!
- 24. Fashion advice. Machinelearning. Fot. https://giphy.com/gifs/whoa-hd-tim-and-eric-xT0xeJpnrWC4XWblEk
- 25. Where do westart? https://memegenerator.net
- 26. You need twothings • Amazon Developer Account - https://developer.amazon.com • AWS Account if you’re going to use AWS Lambda - https://aws.amazon.com • Hosting for your HTTPS endpoint if you’re not going to use AWS Lambda
- 27. Endpoints • AWS Lambda •Any HTTPS endpoint
- 28. Nope, you don’tneed device to start Fot. memegenerator.net
- 29. Let’s create askill Fot. memegenerator.net
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- 31.
- 32.
- 33.
- 34. Creating AWS LambdaEndpoint
- 35. Configuring AWS LambdaEndpoint
- 36. Configuring AWS LambdaEndpoint
- 38. .NET Tooling • Alexa.NET- https://github.com/timheuer/alexa-skills-dotnet • AlexaSkillsKit.NET - https://github.com/AreYouFreeBusy/AlexaSkillsKit.NET
- 39. Visual Studio Projectwith Alexa.NET public async Task<SkillResponse> FunctionHandler(SkillRequest input, ILambdaContext context) { switch (input.Request) { case LaunchRequest r: return ResponseBuilder.Tell("You've launched your skill"); case IntentRequest r when r.Intent.Name == "MyIntent": return ResponseBuilder.Tell("You've requested 'MyIntent'"); case IntentRequest r when r.Intent.Name == BuiltInIntent.Cancel: return ResponseBuilder.Tell("You've requested 'Cancel'"); case IntentRequest r when r.Intent.Name == BuiltInIntent.Stop: return ResponseBuilder.Tell("You've requested 'Cancel'"); case IntentRequest r when r.Intent.Name == BuiltInIntent.Help: return ResponseBuilder.Tell("You've requested 'Help'"); default: return ResponseBuilder.Tell("I don't know what you mean."); }}
- 40. Ready to startproject available on my repo github.com/r-hryniewski/Alexa.NET-TalkDemo/tree/template
- 41.
- 42.
- 43. Handling intents switch (input.Request){ case LaunchRequest r: return ResponseBuilder.Tell(“Skill launch request"); case IntentRequest r when r.Intent.Name == "MyIntent": return ResponseBuilder.Tell(“Intent defined by you”); case IntentRequest r when r.Intent.Name == BuiltInIntent.Cancel: return ResponseBuilder.Tell(“Built in intent"); }
- 44. Slots Set temperature to20 degrees celsius/kalvins/fahrenheits
- 45. Slots Set temperature to20 degrees celsius/kalvins/fahrenheits 20 – amount slot celsius/kalvins/fahrenheits – unit slot
- 46.
- 47.
- 48. Using Slots private SkillResponse HandleTemperatureIntent(IntentRequestr) { var amount = r.Intent.Slots["amount"].Value; var temperatureUnit = r.Intent.Slots["temperatureunit"].Value; return ResponseBuilder.Tell( $"It's {amount} degrees {temperatureUnit}..."); }
- 49. Publishing to AWSLambda
- 50.
- 51.
- 52. SSML – Markup •<speak>Entire response</speak> • Three seconds <break time=“3s”/> pause. • <s>First sentence<s/><s>Second sentence<s/> • <prosody volume=“loud” rate=”slow” pitch=“medium”>Controlling volume, rate and pitch</prosody> • <say-as interpret-as=“telephone">555 555 555</say-as> https://developer.amazon.com/docs/custom-skills/speech-synthesis-markup-language-ssml-reference.html
- 53. SSML – Incode return ResponseBuilder.Tell(new SsmlOutputSpeech() { Ssml = "<speak>Hey there!</speak>" });
- 54. Session • Yes, wehave session. • Sadly, Alexa.NET doesn’t support seamless integration with Dynamo DB like JS SDK
- 55. Session - Demo privateSkillResponse HandleIntent(SkillRequest input) { if (input.Session.Attributes != null && input.Session.Attributes.TryGetValue("AudienceCount", out var count)) { return ResponseBuilder.Tell($"There are around {count} people here.", input.Session); } }
- 56. And since it’sordinary .NET Code you can... • Post messages to Service Bus • Call HTTP • Fetch and persist to DB • Do absolutely anything
- 57.
- 58. Where’s money inthat?
- 59. Business model forsingle developer • Every Alexa Skill is available for free (for now) • You can include paid, premium content in your skills • Most popular skills in their categories will be awarded by Amazon • Developer with at least 1 published skill will receive 100$ for AWS and additional 100$ per month if it’ll generate any AWS charges
- 60. Business model forcompanies • Alexa for Business – publishing private skills for companies https://developer.amazon.com/alexa-skills-kit/alexaforbusiness
- 61. Connecting with existingsolution • Any REST with HTTPS can be used to expose Alexa Skill endpoint
- 62. Other stuff -IFTT • https://ifttt.com/amazon_alexa
- 63. Other stuff –Home skills Fot. https://www.cultofmac.com/436778/win-a-chance-to-wire-up-your-smart-home-with-amazons-alexa-deals/
- 64. Other stuff –Lists Fot. https://imgflip.com/memegenerator/80385734/Chris-Jericho-List
- 65. Other stuff –Echo Spot/Show Fot. Amazon
- 66.
- 67. Where to learn •codecademy.com/learn/learn-alexa - JS • developer.amazon.com/alexa-skills-kit • timheuer.com/blog/ - Alexa.NET Author • facebook.com/AlexaDevs/
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