Book Image

Android Wear Projects

By : Ashok Kumar S
Book Image

Android Wear Projects

By: Ashok Kumar S

Overview of this book

Android Wear Projects is your opportunity to step into the exciting new world of Android Wear app development. This book will help you to master the skills in Android Wear programming and give you a complete insight on wear app development. You will create five different Android Wear apps just like the most popular Android Wear apps. You will create a To-do list, a city maps app, a Wear messenger, Wear fitness tracker and Watch face. While you create these apps you will learn to create custom notifications, receive voice inputs in notifications, add pages to notifications and stack notifications. You will see how to create custom wear app layouts, the custom UIs specially designed for Wear. You will learn to handle and manage data and syncing data with other devices, create interactive Watch faces and also ensure the safety and security of your Wear apps by testing and securing your apps before you deploy them on the app store.
Table of Contents (18 chapters)
Title Page
About the Author
About the Reviewers
Customer Feedback
Let us Help Capture What is on Your Mind - WearRecyclerView and More
Let us Help Capture What is on Your Mind - Saving Data and Customizing the UI
Measuring Your Wellness and Syncing Collected Sensor Data
Let us Chat in a Smart Way - Notifications and More

Setting up a development environment for Wear development

In this section, we set up a development environment for Wear development.


  1. Your favorite operating system (Windows, macOS, or Linux)
  2. Determine whether you have the latest JRE installed on your operating system
  3. Install the latest version of JDK or Open JDK
  4. Install the latest version of Android Studio (at the time of writing this book, the latest version is 2.2.3 and any newer version should be fine)

Installing Android Studio

Visit to download the latest version of Android Studio. Google highly recommends using Android Studio for all Android application development, since Android Studio has tight with and useful Android APIs:

After the Android Studio installation, it's now time to download the necessary SDK in the SDK Platforms tab in SDK Manager. Install one complete version of Android; for the scope of this book, we will install Android 7.1.1 API level 25:

After the successful installation of the SDK of Nougat 7.1.1 API level 25, under the SDK Tools tab, make sure you have the components, as shown in the following screenshot:

  • Android Support Library
  • Google Play services
  • Google Repository
  • Android Support Repository

Google releases updates on IDE and SDK Tools frequently; keep your development environment up-to-date.


Note: if you plan to make your application available in China, then you must use the special release version 7.8.87 of the Google Play services client library to handle communication between a phone and watch:

Visit the following link to check the Release Notes on SDK Tools:

Updating your IDE from the stable channel is highly recommended. Updates for Android Studio are available on four different channels:

  • Canary channel
  • Dev channel
  • Beta channel
  • Stable channel

Canary channel: The Android Studio team works continuously to make Android Studio better. In this channel, every week there will be an update release, and it will include new functionality changes and improvements; you can check those changes in the release notes. But updates from this channel are not recommended for application production.

Dev Channel: On this channel, a happens after a complete round of internal testing from the Android Studio team.

Beta channel: On this channel, updates are based on stable Canary builds. Before publishing these builds to a stable channel, Google releases them in the beta channel to get developer feedback.

Stable Channel: Are the official stable releases of the Android Studio and will be available to download on Google's page

By default, Android Studio receives from a stable channel.