This document contains information about Nanik Tolaram, an Android platform engineer and writer who teaches monthly Android workshops. It discusses Android Wear and how it allows communication between wearable devices and Android apps via notifications. The document also provides an overview of the Android Wear emulator and SDK and envisions future directions for extending Android to new devices and platforms.

1. 14 July 2014
Nanik Tolaram
nanikjava@yahoo.com
@nanikjava

2. About
 Android Platform Engineer
 Android Writer for open source
magazine.odroid.com
 Monthly Android Workshops at Fishburners

3. About
 Android Platform Engineer
 Android Writer for open source
magazine.odroid.com
 Monthly Android Workshops at Fishburners

4. Questions
 How the whole thing works ?
 Why is it so special ?
 What lies in the future ?

5. Which Layer ?

6. Android Wear
 Device communication
 Bridging App to Wear Device
 Future – part of Android stack
or Play Services
 Rely on Notification Service

7. Notification Flow
Android
App (Gmail,
Phone, SMS)
NotificationListener
Android Notification System
Bluetooth
Android Wear Device

8. Wear Emulator
 KitKat 4.4.x Stack
 ARM/x86 image (faster)
 Socket Communication
(via adb)

9. Recipe Wear Demo
1
2
3
1 android.support.v4.app.NotificationCompat.Builder
(Builder class to build notification message)
android.support.v4.app.NotificationCompat.WearableExtender
(Wear specific notification builder)
2
NotificationManager(Service) call to initiate notification function3
RecipeService.java

10. SDK for Wear
 Custom Card Layout
 Data & Action between device and wearable
 Realtime sensor data display on wearable
 App handler for voice action

11. Future
 Android as central device hub
 Extending Android via API (TV, Auto, etc)
 BYOD (Build-Your-Own-Device)