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. An instance of RecyclerView will create one View instance for which of these?
    • Every item of data
    • Every item of data visible on the screen
    • Each type of data element that is also visible on the screen
  2. When attaching an observer to LiveData you need to do which of the following?
    • Detach it when its LifecycleOwner is destroyed
    • Attach it on the main thread
    • Provide a valid LifecycleOwner
  3. Overview / Dashboard screens should have which of these features?
    • They should only use graphs to display statistics
    • They should not scroll if it can be avoided
    • They should display an overview with the most important information first
  4. The ViewHolder class is used by the RecyclerView to do what?
    • Improve the data binding performance
    • Reference the views that will be garbage collected
    • Store the View objects in a Bundle
  5. When using LiveData objects to reference data used by multiple Fragment objects, which of these is true?
    • The Fragment instances must share the same LiveData reference to see changes
    • The LiveData...