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LinkedIn Learning

Building Flexible Android Apps with the Fragments API with Java

via LinkedIn Learning

Overview

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Create layouts for various screen sizes with the Android Fragments API. Learn to add and remove fragments with Java and XML and use fragments to dynamically choose layouts.

Syllabus

Introduction
  • Welcome
  • What you should know
  • Using the exercise files
1. Getting Started
  • Configure Android Studio for this course
  • The fragmented market of Android devices
  • Adapting to screen sizes and densities
  • Understanding fragments
  • Create an app with a fragment
2. Display Fragments in Activities
  • Create a fragment class and layout
  • Display a fragment with XML
  • Explore the FragmentTransaction class
  • Add a fragment with Java
  • Remove a fragment with Java
  • The lifecycle of a fragment
  • Trace lifecycle events with LogCat
3. Manage Fragments at Runtime
  • Pass arguments to a fragment
  • Manage arguments with a factory method
  • Measure screen with Java
  • Detect screen with resource selectors
  • Choose layout at runtime
4. Communication between Fragments and Activities
  • Java interfaces and callback methods
  • Define interface with callback methods
  • Send a message from a fragment
  • Send parcelable objects to a fragment
  • Display data lists in fragments
5. Display Dialogs with Fragments
  • Wrap an alert dialog in a fragment
  • Display a custom dialog
  • Pass arguments to the dialog
  • Use callback methods in a dialog
6. Other Uses of Fragments
  • Create a fragment for ViewPager
  • Create a ViewPager adapter
  • Manage back button with ViewPager
  • Manage shared preferences with fragments
Conclusion
  • Next steps

Taught by

David Gassner

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