ViewPager

The Android support library offers a great UI component for horizontal scrolling pages: The ViewPager. Over the last iterations of the support library more and more functionality has been added to the ViewPager silently. For that reason I decided to study the various features of the ViewPager more closely. This page contains a list of all published articles covering several of these features.

Examining the ViewPager #1

• The basics
  What is a ViewPager and how can it be used?
• Adapter using fragments
  How to write a FragmentPagerAdapter to switch between pages of fragments.
• Saving fragment states
  How to save memory by destroying fragments and retaining their state.
• Adapter using views
  How to write a PagerAdapter that uses just views instead of fragments.

Examining the ViewPager #2

• Offscreen pages
  How does the ViewPager handle pages currently not visible to the user.
• Responding to state changes
  Getting notified whenever the displayed page changes or is incrementally scrolled.
• Margin between pages
  How to define a margin between pages.
• Switching pages programmatically
  Switching pages from code.

Examining the ViewPager #3

• Horizontal scrolling pages
  Using horizontal scrolling child views inside a ViewPager.
• Bezel swipe
  Using bezel swipe to switch fast between pages
• Fake dragging
  Simulating dragging the ViewPager programmatically