Google Glass developer preso to conduct GDG Chapter or any other code lab events.

1. Dinesh Ganesan
GDG Baltimore V 1.0
Development – Code labs

2. WHAT IS GLASS?
Wearable computing device that interacts with
human digital information through natural
language voice commands
Experience the glass. Slide# 1.

3. What it can do?
Slide# 2.

4. Slide# 3.
 Integrated screen display – Semi Transparent.
 Camera –to capture Video/Picture.
 Mini-Projector – to display the visual.
 Hidden battery inside the frame
HOW DOES IT WORK?

5. Application Model.
Experience the glass.
Slide# 4.
1. GDK : Similar to iOS/Android Native App
2. Mirror API: Similar to mobile web

6. User Experience.
Experience the timeline card. Slide# 5.
Time Location Engagement
Relevant Natural Language
Gesture

7. Gestures
Experience the timeline card.
Tap Wake up
Natural Language
Wink
Slide# 6.

8. Mirror vs GDK
Learn more Slide# 7.

9. Mirror API Dev
Quick start : Mirror API Slide# 8.
Required Tools :
 Cloud based Mirror APIs.
 Objects
 Timeline
 Subscriptions
 Locations
 Contacts
 JSON

10. Mirror - TestEnv
Mirror Playground Slide# 9.
Mirror Playground is the best online tool to
validate the static card’s look and feel with JSON
text. It has couple of pre-built templates for the
beginners, and allows to create custom UI
templates. All you need to do it just modify the
JSON object with HTML tags.

11. Mirror Apps
Slide# 10.

12. GDK Dev : Step1
Slide#
 Install Android SDK
 Subscribe GDK thru SDK Manager
 Turn on ‘Debug’ in Glass
SDK Quickstart 11

13. GDK Dev : Step2
Slide#
 Create a sample ‘Compass’ app.
 Create/Download samples from
the url
https://github.com/harrywye/gdk
demo/tree/master/apidemo
 Compilation success?
GDK DemoApps 12

14. GDK Dev : Step3
Slide#
 Create a new voice command.
 Handling Gesture event.
 Defining Context Menu.
GDK DemoApps 13

15. GDK Dev : Step4
Slide#
 Navigation
 How to set the Navigation mode.
GDK DemoApps 14

16. GDK
Code
SnippetsExperience Voice Command / Touch capability.
Slide# 15.

17. Step #1. Launch Android Eclipse
Step #2. Click File -> New -> Android Project
Step #3. Select ‘Android Sample Project’
Step #4. Click ‘Next’
Step #5. Select ‘Glass Development Kit Sneak Peek”
Step
#4
Step
#5
Slide# 16.

18. Step #6. Launch Android Eclipse
Step
#6
Yay! My 1st Glass – GDK project Created
Slide# 17.

19. Step #6. Launch Android Eclipse
Step
#6
Yay! My 1st Glass – GDK project Created
Slide# 18

20. “ok glass show a compass”
Slide# 19.

21. Slide# 20

22. File Name : AndroidManifest.xml
Q? What does it take to implement ‘Voice command’ in my App?
1. Add an intent filter.
2. Add a string in resvaluesstring.xml file.
Slide# 21.

23. File Name : res/xml/compass_show.xml
3. Add a XML for voice trigger.
res/xml/<my_voice_trigger>.xml
Q? How do I change ‘show a compass’ command ?
Ans : Just modify the text in string.xml, in this case, modify the value of show_compass_voice_trigger node value
from ‘show a compass’ into something ‘open my compass’.
Slide# 22

24. listen to
take a note
post an update
show a compass
start a run
start a bike ride
find a recipe
record a recipe
check me in
start a stopwatch
start a timer
start a round of golf
translate this
learn a song
tune an instrument
play a game
start a workout
A. Use the Google recommended action commands.
B. Use lower case alphabets
C. Use action commands/verbs
D. For apostrophe use ‘&apos’ - or avoid using it 
Ex. What&apos;s on my wallet
More info >>
Slide# 23

25. File Name : mainActivity.java
1. Create a class variable at your main activity class.
res/xml/<my_voice_trigger>.xml
Slide# 24
2. Create a gesture detector object for the activity class and assign it to the mGestureDetector variable.

26. File Name : mainActivity.java
3. Finally implement the handlers.
res/xml/<my_voice_trigger>.xml
Slide# 25
More info >>

27. Thank You.
Works Cited:
http://www.google.com/glass/start/
http://www.google.com/glass/start/what-it-does/
https://developers.google.com/glass/tools-downloads/playground
http://www.brillen-sehhilfen.de/en/googleglass/
@GDGBaltimore
@dineshmd
Slide# 26.