The document provides a detailed guide for setting up and running a sample Android Wear application, including requirements for pre-lab preparation, virtual device setup, and Android application configuration. It outlines steps such as installing necessary packages, configuring project settings in Eclipse, and ensuring connectivity between the phone and the Android Wear virtual device. Additionally, it describes how to run the Recipe Assistant app and send a recipe to the wearable device.

1. Android Wear Code Lab
Setup and Run Sample App
05-29-2014

2. +GerardCordero
OptimizedPrime.com
@GerardCordero

3. Requirements
You need to complete the pre-lab preparation:
http://www.slideshare.
net/optimizedprime/android-wear-code-lab-
preparation

4. Setup Android Wear
Virtual Device
15 minutes

5. Android Virtual Device Manager
● Run Eclipse
● Window > Android Virtual Device
Manager

6. New Virtual Device
● Click New

7. Setup the Wearable Virtual Device
Square Device Round Device

8. Start your Virtual Device
● Select your wearable device
● Click Start

9. Launch Options
● Click Launch

10. Booting Up

11. Installing the Android
Wear Preview App
Installed on your Android 4.3+ Phone
10 minutes

12. Opt-In to test Android Wear Preview
app
On the email you got back during the pre-
requisites, click “Opt-in to become a tester”

13. Become a Tester
Click on Become a Tester

14. Initiate Download
Click “Download it from the Play Store”

15. Pick a Phone to Install Preview App
The phone you choose will be what you will use
in the code lab. Click Install

16. Done
Click OK

17. Setup Sample App
Recipe Assistant
15 minutes

18. Import into Eclipse
● Run Eclipse
● File > Import
● Android > Existing Android Code Into
Workspace
● Click Next

19. Open Recipe Assistant
● Click Browse
● Go to your extracted AndroidWearPreview
folder > samples > Recipe Assistant
● Click Open

20. Rename and Finish
● Click on
MainActivity,
and rename it
to Recipe
Assistant
● Select “Copy
projects into
workspace”
● Click Finish

21. Delete mipmap-xxxhdpi Folder
● Go to the res folder
● Delete the mipmap-xxxhdpi folder (right-click
> Delete in Eclipse)
● This causes problems, and is safe to delete

22. Create and Populate libs Folder
● On your Project’s Root Folder, create a libs
folder
● Copy android-support-v4.jar to libs folder (jar
file is in Android ADT folder > sdk > extras >
android > support > v4)
● Copy wearable-preview-support.jar to libs
folder (in extracted AndroidWearPreview)

23. Add Jar Files to Build
● In Eclipse, right-click > Refresh the Project
● Open libs
● For each jar file, right-click > Build Path >
Add to Build Path
● Entries will show up on Referenced Libraries

24. Move Contents of java to src folder
● Open Finder or Windows Explorer
● Go to your Recipe Assistant project folder
● Move the contents of the “java” folder into
the “src” folder
● This project is originally an Android Studio
project, but Eclipse goes to the src folder for
classes. This step fixes the Class not found
error
● In Eclipse, right-click the Project > Refresh

25. Download the Finished Code
● For your convenience, here’s the code:
https://github.
com/GerardCordero/AndroidWear/tree/master/
RecipeAssistant

26. Setup your Phone
Enable phone to talk to Android Wear
emulated device
15 minutes

27. Boot up your Android Wear virtual
device
If you haven’t done so, boot it up now

28. Turn on USB Debugging on Phone
● On your phone, go to Settings > Developer
Options
● Make sure Developer Options is turned on
● Make sure USB Debugging is turned on
● Note: Developer Options location may vary
by phone

29. Getting your ADB’s Path
● Note: this is for the next two steps
● Go to Android SDK Manager
● Get SDK Path’s value, that is your base
folder
● In Finder/Windows Explorer, go to that path
● then go platform-tools

30. Plug in your Phone to Computer
● Unlock your phone
● Plug it to your computer via USB cable
● Confirm it’s running by running this
command (from command-line):
○ ./adb devices
● You should see two entries (one for
wearable, one for your phone). Both should
have “device” on it

31. Run adb forward
● While in the command-line, run this:
○ ./adb -d forward tcp:5601 tcp:5601
● You will see a “g” at the top-right corner of
your wearable virtual device

32. Confirm on your Android Wear
Preview App
● On your Phone, open the Android Wear
Preview app
● It should say “Connected”

33. Run Recipe Assistant
10 Minutes

34. Run as Android Application
● From Eclipse, right-click on the Project >
Run As > Recipe Assistant
● On the list, pick your phone
● Click OK

35. Send a Recipe to your Wearable
● From your phone’s Recipe Assistant, pick a
Recipe
● Click Start on the Action bar (top-right)