PageTransformer

Kotlin |Java

interface PageTransformer

androidx.viewpager2.widget.ViewPager2.PageTransformer

Known Direct Subclasses

CompositePageTransformer, MarginPageTransformer

CompositePageTransformer	Allows for combining multiple `PageTransformer` objects.
MarginPageTransformer	Adds space between pages via the `ViewPager2.PageTransformer` API.

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.

Summary

Public methods
abstract Unit	`transformPage(@NonNull page: View, position: Float)` Apply a property transformation to the given page.

Public methods

transformPage

abstract fun transformPage(
    @NonNull page: View, 
    position: Float
): Unit

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 -2 is two pages to the left. Minimum / maximum observed values depend on how many pages we keep attached, which depends on offscreenPageLimit.

See Also

#setOffscreenPageLimit(int)