android wear code lab

Android Wear Code LabSetup and Run Sample App

05-29-2014

+GerardCordero

OptimizedPrime.com

@GerardCordero

Requirements

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

Setup Android Wear Virtual Device

15 minutes

Android Virtual Device Manager

● Run Eclipse● Window > Android Virtual Device

Manager

New Virtual Device

● Click New

Setup the Wearable Virtual DeviceSquare Device Round Device

Start your Virtual Device

● Select your wearable device● Click Start

Launch Options

● Click Launch

Booting Up

Installing the Android Wear Preview App

Installed on your Android 4.3+ Phone

10 minutes

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”

Become a Tester

Click on Become a Tester

Initiate Download

Click “Download it from the Play Store”

Pick a Phone to Install Preview App

The phone you choose will be what you will use in the code lab. Click Install

Done

Click OK

Setup Sample AppRecipe Assistant

15 minutes

Import into Eclipse

● Run Eclipse● File > Import● Android > Existing Android Code Into

Workspace● Click Next

Open Recipe Assistant

● Click Browse● Go to your extracted AndroidWearPreview

folder > samples > Recipe Assistant● Click Open

Rename and Finish

● Click on MainActivity, and rename it to Recipe Assistant

● Select “Copy projects into workspace”

● Click Finish

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

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)

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

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

Download the Finished Code

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

Setup your PhoneEnable phone to talk to Android Wear

emulated device

15 minutes

Boot up your Android Wear virtual device

If you haven’t done so, boot it up now

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

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

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

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

Confirm on your Android Wear Preview App

● On your Phone, open the Android Wear Preview app

● It should say “Connected”

Run Recipe Assistant 10 Minutes

Run as Android Application

● From Eclipse, right-click on the Project > Run As > Recipe Assistant

● On the list, pick your phone● Click OK

Send a Recipe to your Wearable

● From your phone’s Recipe Assistant, pick a Recipe

● Click Start on the Action bar (top-right)