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Mastering Android Wear Application Development

You're reading from Mastering Android Wear Application Development

Product type Book

Published in Dec 2016

Publisher Packt

ISBN-13 9781785881725

Pages 224 pages

Edition 1st Edition

Languages

Concepts

Authors (2):

Siddique Hameed

Javeed Chida

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Table of Contents (18) Chapters

Mastering Android Wear Application Development

Credits

About the Authors

About the Reviewer

www.PacktPub.com

Preface

1. Introduction to Wearable Computing

2. Setting up the Development Environment

3. Developing Android Wear Applications

4. Developing Watch UI

5. Synchronizing Data

6. Contextual Notifications

7. Voice Interactions, Sensors, and Tracking

8. Creating Custom UI

9. Material Design

10. Watch Faces

11. Advanced Features and Concepts

12. Publishing Apps to Google Play

The Android manifest file

Every Android application consists of an Android manifest file named AndroidManifest.xml. It contains all the essential information needed for the Android operating system to launch the application. The manifest file is used for declaring the activities, services, intents, SDK versions, features, permissions, and other application-specific components and behavioral elements for the Android application.

We should pay close attention to line number 23 of the Android manifest file that was included in the Skeleton wearable app:

<uses-feature android:name="android.hardware.type.watch" />

This line basically explains to the Android operating system that it is an Android Wear app. To prove this out, let's try commenting out this line from the AndroidManifest.xml file and launch the application. You should see the following error message when you launch the application using an emulator:

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Authors (2)

Siddique Hameed

Siddique Hameed is a pragmatic technologist currently working on Simplify Commerce (https://simplify.com), a payment gateway platform from MasterCard. During his diverse career roles, hes been crafting software for Fortune 500 companies to startups of industry domains ranging from finance, commerce, social media, telecom, bioinformatics, publishing, and insurance. He is passionate about technology, software and their effects on day-to-day lives. He is a strong believer in open-source software culture and actively contributes to many opensource projects. On times, he speaks at technology events, meetups, and mentor contestants in hackathons. He likes teaching kids and adults in programming, technology and software development, and volunteers on coding initiatives such as Girls Who Code, Code.org, and STEM (science, technology, engineering, and mathematics) programs. In his spare time, he likes traveling, goes on long road trips, and tinker with Raspberry Pi and build DIY gadgets.

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Javeed Chida

Javeed Chida currently works as a senior software engineer for Apollo Education Group, a leader in global education. He has worked with several teams over the years developing multi-layered enterprise applications for companies spanning several industries including education, finance, medical, insurance, construction, and legal. He is passionate about Java portals and particularly enthused by the Liferay portal platform. He also has a love for clever and innovative technical documentation. Apart from periodically churning out articles as a highlighted community blogger on Liferay.com. He spends his leisure absorbed in creative writing projects, particularly classical poetry and fiction.

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