added in version 22.1.0
belongs to Maven artifact com.android.support:viewpager:28.0.0-alpha1

ViewPager.PageTransformer

public static interface ViewPager.PageTransformer

android.support.v4.view.ViewPager.PageTransformer

A PageTransformer is invoked whenever a visible/attached page is scrolled. This offers an opportunity for the application to apply a custom transformation to the page views using animation properties.

As property animation is only supported as of Android 3.0 and forward, setting a PageTransformer on a ViewPager on earlier platform versions will be ignored.

Summary

Public methods

abstract void transformPage(View page, float position)

Apply a property transformation to the given page.

Public methods

transformPage

added in version 22.1.0
void transformPage (View page, 
                float position)

Apply a property transformation to the given page.

Parameters
page View: Apply the transformation to this page
position float: Position of page relative to the current front-and-center position of the pager. 0 is front and center. 1 is one full page position to the right, and -1 is one page position to the left.