building voice apps & experiences for amazon echo
TRANSCRIPT
Building Alexa Skills for Amazon Echo AMAZON DEVELOPER DAY
DAVE ISBITSKIPRINCIPAL EVANGELIST, AMAZON
@TheDaveDev
10:00am - 10:30am An Overview of the Amazon Devices and Services for Mobile Developers
10:30am - 11:45am Building Alexa Skills for Amazon Echo
Noon – 3:45pmApp Hours / Open Hack
3:45pm-4:30pmPresentations
4:30pmRaffle
DEVELOPER DAY AGENDA
DEVELOPER DAY AGENDA
Amazon Appstore Ecosystem
The Appstore is integrated across the Amazon ecosystem• Over 400,000 apps in the Amazon Appstore• Only place for Apps on Fire Tablets, Fire TV,
and Fire phone• Preloaded on Blackberry 10 and millions of
other Android devices, including HTC, LG, Motorola, and Samsung phones to name a few, as well as Samsung and LG tablets.
By making your app available on the Amazon Appstore, you’ll have the opportunity to reach millions of Android customers in 236 countries and territories worldwide
Android Phones & Tablets
Fire phoneFire Tablets
Fire TV &Fire TV Stick
Blackberry
What is Amazon Echo?
Alexa, Hello.
Amazon Echo App
Alexa Skills Kit (ASK) Overview
ALEXA SKILLS KIT (ASK)https://developer.amazon.com/ask
ALEXA VOICE SERVICE (AVS)https://developer.amazon.com/avs
THE ALEXA FUNDhttps://developer.amazon.com/alexafund
Alexa is the cloud service used by Amazon Echo
The Alexa Skills Kit allows developers to build new Skills (new voice experiences) for Echo
ALEXA SKILLS KIT
Alexa Architecture
Amazon Alexa
ServiceGUI cards are rendered in the Amazon Echo app
User audio is streamed to the service
Audio responses are rendered on-device
Creating your ownALEXA SKILLSAlexa Skills have two parts:
Configuration data in Amazon Developer Portal
Hosted Service responding to user requests
Alexa Skills Kit Architecture
Amazon
Alexa
Service
Developer’s Application
Service
Amazon’s Developer
PortalApplication, intents, sample data Developer Service URL EndPoint
Configured through portal
User intents and arguments are sent to
the developer service
GUI cards are rendered in the Amazon Echo app
User audio is streamed to the serviceAudio responses are rendered on-device
Text response and/or GUI card data is returned
Sample Interactions ofALEXA SKILLSOne and done
“Alexa, start Astrology and get the Pisces horoscope.”[Horoscope Provided]
Conversation“Alexa, start Astrology”[“What’s your sign?”]“Pisces”[Horoscope Provided]
DemoConfiguring a new Alexa Skill
Building an Alexa SkillHOSTED SERVICE• Adheres to ASK service interface• Uses HTTP over SSL/TLS on port 443• Must be Internet-accessible• Presents a trusted certificate matching
domain name– Can use self-signed certificate for
development– Trusted certificate required for
certification
Building an Alexa SkillHOSTED SERVICE• You define interactions for your Voice
App through Intent Schemas• Each intent consists of two fields. The
intent field gives the name of the intent. The slots field lists the slots associated with that intent.
• Slots can also included types such as LITERAL, NUMBER, DATE, etc.
Building an Alexa SkillHOSTED SERVICE• The mappings between intents and the
typical utterances that invoke those intents are provided in a tab-separated text document of sample utterances.
• Each possible phrase is assigned to one of the defined intents.
• GetHoroscope what is the horoscope for {pisces|Sign}
• GetHoroscope what will the horoscope for {leo|Sign} be {next tuesday|Date}
The Amazon Alexa ServiceWILL POST EVENTSLaunchRequest
Maps to onLaunch() and occurs when the user launches the app without specifying what they want
IntentRequestMaps to onIntent() and occurs when when the user specifies an intent
SessionEndedRequestMaps to OnSessionEnded() and when the user ends the session
DemoHelloWorld Speechlet Alexa Skill - Java
Alexa ServiceExamining the JSON Requests from
Handling Amazon Alexa ServiceREQUESTS• You will need to handle POST requests to
your service over port 443 and parse the JSON
• You need to check the session variable to see if the user started a new session or if request is from existing one
• Requests always Include a type, requestId and timestamp
• requestId maps directly to LaunchRequest, IntentRequest and SessionEndedRequest
DemoMy Colors Alexa Skill – JavaScript and Node JS
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http://bit.ly/bmaboston2
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Building Alexa Skills for Amazon Echo AMAZON DEVELOPER DAY
DAVE ISBITSKIPRINCIPAL EVANGELIST, AMAZON
@TheDaveDev
10:00am - 10:30am An Overview of the Amazon Devices and Services for Mobile Developers
10:30am - 11:45am Building Alexa Skills for Amazon Echo
Noon – 4:30pmApp Hours / Open Hack
4:30pmRaffle
DEVELOPER DAY AGENDA