Book Image

Hands-On Android UI Development

By : Jason Morris
Book Image

Hands-On Android UI Development

By: Jason Morris

Overview of this book

A great user interface (UI) can spell the difference between success and failure for any new application. This book will show you not just how to code great UIs, but how to design them as well. It will take novice Android developers on a journey, showing them how to leverage the Android platform to produce stunning Android applications. Begin with the basics of creating Android applications and then move on to topics such as screen and layout design. Next, learn about techniques that will help improve performance for your application. Also, explore how to create reactive applications that are fast, animated, and guide the user toward their goals with minimal distraction. Understand Android architecture components and learn how to build your application to automatically respond to changes made by the user. Great platforms are not always enough, so this book also focuses on creating custom components, layout managers, and 2D graphics. Also, explore many tips and best practices to ease your UI development process. By the end, you'll be able to design and build not only amazing UIs, but also systems that provide the best possible user experience.
Table of Contents (21 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
13
Activity Lifecycle

Test your knowledge


  1. What's the best way to implement event handlers?
    • As an anonymous inner class
    • By making the Activity a listener
    • As a class per listener
    • There isn't one
  1. What are the conditions for any methods that change the state of a user-interface widget?
    • They must be called from a background thread
    • They must be thread-safe
    • They must be called from the main thread
    • They must be called from the graphics thread
  1. Code running as part of an event handler should fulfill which of the following conditions?
    • Be surrounded by a synchronized block
    • Run as quickly as possible
    • Only interact with the user interface
  1. When requesting data from another Activity, the data is returned through which of these?
    • An event listener you add to the Activity object
    • A callback on your Activity object
    • A message placed on your application's message queue