Creating Dynamic UI with Android Fragments


Creating Dynamic UI with Android Fragments
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  • Learn everything you need to know to provide dynamic multi-screen UIs within a single activity
  • Integrate the rich UI features demanded by today’s mobile users
  • Understand the basics of using fragments and how to use them to create more adaptive and dynamic user experiences

Book Details

Language : English
Paperback : 122 pages [ 235mm x 191mm ]
Release Date : September 2013
ISBN : 1783283092
ISBN 13 : 9781783283095
Author(s) : Jim Wilson
Topics and Technologies : All Books, Application Development, Android, Open Source

Table of Contents

Preface
Chapter 1: Fragments and UI Modularization
Chapter 2: Fragments and UI Flexibility
Chapter 3: Fragment Lifecycle and Specialization
Chapter 4: Working with Fragment Transactions
Chapter 5: Creating Rich Navigation with Fragments
Index
  • Chapter 1: Fragments and UI Modularization
    • The need for a new approach to UI creation
      • The broad platform support of fragments
      • Fragments simplify common Android tasks
      • The relationship between fragments and activities
    • Making the shift to fragments
      • The old thinking – activity-oriented
        • Defining the activity appearance
        • Displaying the activity UI
      • The new thinking – fragment-oriented
        • Creating the fragment layout resources
        • Creating the Fragment class
        • Converting the activity to use fragments
    • Summary
    • Chapter 2: Fragments and UI Flexibility
      • Creating UI flexibility
        • Dynamic fragment layout selection
          • Adding an alternate layout resource
          • Managing fragment layout by screen size
          • Eliminating redundancy
        • Design fragments for flexibility
          • Avoiding tight coupling
          • Abstracting fragment relationships
          • Encapsulating fragment operations
          • Loosely connecting the pieces
      • Fragments protect against the unexpected
        • Evolving layout resource files
        • Creating the book description activity
        • Making the MainActivity class adaptive
      • Summary
      • Chapter 3: Fragment Lifecycle and Specialization
        • Understanding the fragment lifecycle
          • Understanding fragment setup and display
            • Avoiding method name confusion
          • Understanding fragment hide and teardown
          • Maximizing available resources
            • Managing a fragment state
        • Special purpose fragment classes
          • ListFragment
            • Associating data with the list
            • Separating data from display
          • DialogFragment
            • Styles
            • Layout
            • DialogFragment display
            • Event handling
            • Dialog identity
        • Summary
        • Chapter 4: Working with Fragment Transactions
          • Intentional screen management
          • Dynamically managing fragments
            • Deferred execution of transaction changes
            • Adding and removing fragments
            • Supporting the back button
          • Creating an adaptive application layout
            • Updating the layout to support dynamic fragments
            • Adapting to device differences
            • Dynamically loading a fragment at startup
            • Transitioning between fragments
              • Eliminating redundant handling
              • Creating the fragment on-the-fly
              • Managing asynchronous creation
              • Putting it all together
          • Summary
          • Chapter 5: Creating Rich Navigation with Fragments
            • A brave new world
            • Making navigation fun with swipe
              • Implementing swipe navigation
                • Managing the swipe fragments
                • Putting the swipe UI into place
                • Android Studio and swipe navigation
            • Improving navigation with the ActionBar
              • Navigating randomly with tabs
                • Managing tab selection
                • Connecting the fragments to the tabs
              • Providing direct access with drop-down list navigation
                • Managing fragment selection
                • Providing the navigation choices
                • Android Studio and drop-down list navigation
            • Summary

            Jim Wilson

            Jim Wilson is president of JW Hedgehog, Inc., a consulting firm specializing in solutions for the Android, iOS, and Microsoft platforms. Jim has nearly 30 years of software engineering experience, with the past 13 years heavily focused on creating mobile device and location-based solutions. After nearly a decade as a Microsoft Device Application Development MVP, Jim now focuses on developing Android and iOS device applications. Jim's passion is teaching and mentoring software developers. He is a regular contributor of Android-related training materials to Pluralsight (http://training.jwhh.com), a leading provider of online developer training. Jim has authored more than 30 articles on device application development, and has developed mobility and smart client curriculums for several organizations. You can find Jim speaking at a variety of industry conferences, including AnDevCon, Microsoft Professional Developers Conference, Tech Ed, VS Live, Mobile and Embedded Developers Conference, and many others. Jim and his wife, along with several cats, live in Celebration, Florida (just 3 miles from Walt Disney World). Check out Jim's blog (http://blog.jwhh.com) where he talks about a variety of mobile software development issues as well as the fun of life just 3 miles from the "House of Mouse". You can reach Jim at androidtraining@jwhh.com.

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            Errata

            - 1 submitted: last submission 09 May 2014

            Errata type: Code | Page number: 15

            Import android.app.Ftragment;

            Should be:

            Import android.app.Fragment;

            Sample chapters

            You can view our sample chapters and prefaces of this title on PacktLib or download sample chapters in PDF format.

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            What you will learn from this book

            • Understand the role and capabilities of fragments
            • Explore the fragment-oriented features of Android Studio
            • Create an app UI that works effectively on smartphones and tablets
            • Use fragments to create engaging navigation capabilities like swipe-based screen browsing
            • Work with special purpose fragment classes like ListFragment and DialogFragment
            • Dynamically manage fragments using the FragmentTransaction class
            • Learn appropriate application design for communicating between fragments
            • Efficiently handle fragment creation and lifecycle
            • Simplify cross-thread UI handling with fragments
            • Form multi-screen UIs that run within a single activity

            In Detail

            To create a dynamic and multi-pane user interface on Android, you need to encapsulate UI components and activity behaviors into modules that you can swap into and out of your activities. You can create these modules with the fragment class, which behaves somewhat like a nested activity that can define its own layout and manage its own lifecycle. When a fragment specifies its own layout, it can be configured in different combinations with other fragments inside an activity to modify your layout configuration for different screen sizes (a small screen might show one fragment at a time, but a large screen can show two or more).

            Creating Dynamic UI with Android Fragments shows you how to create modern Android applications that meet the high expectations of today’s users. You will learn how to incorporate rich navigation features like swipe-based screen browsing and how to create adaptive UIs that ensure your application looks fantastic whether run on a low cost smartphone or the latest tablet.

            This book looks at the impact fragments have on Android UI design and their role in both simplifying many common UI challenges and providing new ways to incorporate rich UI behaviors.

            You will learn how to use fragments to create UIs that automatically adapt to device differences. We look closely at the roll of fragment transactions and how to work with the Android back stack. Leveraging this understanding, we then explore several specialized fragment-related classes like ListFragment and DialogFragment as well as rich navigation features like swipe-based screen browsing.

            Approach

            A fast-paced tutorial that guides you through everything you need to know about dynamic UI design for Android devices.

            Who this book is for

            This book is for developers with a basic understanding of Android programming who would like to improve the appearance and usability of their applications. Whether you’re looking to create a more interactive user experience, create more dynamically adaptive UIs, provide better support for tablets and smartphones in a single app, reduce the complexity of managing your app UIs, or you are just trying to expand your UI design philosophy, then this book is for you.

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