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

Android Wear design principles

Designing a Wear is different than a mobile or tablet application. The Wear operating system is very lightweight and has a specific set of jobs to accomplish by sharing the right information with the Wearer.

General Wear principles are Timely, Glanceable, Easy to Tap, Time-Saving.


Giving the right information at the right time.


Keeping the Wear application user interface clean and uncluttered.

Easy to Tap

The actions users will click on should have the right spacing and size of the picture.


Creating the best application flows that do tasks quickly.

For any Wear application, we need the proper building blocks to control the business logic of the application and other architectural implementation. The following are the scenarios for developing a Wear application to help us to carve the wear application better:

  • Defining layouts
  • Creating lists
  • Showing confirmations
  • Wear navigation and actions
  • Multifunction buttons

Defining layouts

Wearable can use the same layouts that we use in handheld Android device programming but with specific constraints for Wear applications. We should not do heavy processing actions similar to handheld Android devices in Wear applications and expect a good user experience.

An application designed for a round screen will not look great on square Wear devices. To resolve this, the Android Wear support library comes with the following two solutions:

  • BoxInsetLayout
  • Curved Layout

We can provide different resources to allow Android to detect the shape of the Android Wear at runtime.

Creating lists

Lists let the user an item from a set of items. In the legacy Wear, 1.x API WearableListView helped programmers to build lists and custom lists. Wearable UI library now has WearableRecyclerView with curvedLayout support and has the best implementation experience in Wear devices.

We can add gestures and other magnificent functionalities: