onScrollProgress

open fun onScrollProgress(inputDeviceId: Int, source: Int, axis: Int, deltaInPixels: Int)(source)

Call this when the view has scrolled.

Different axes have different ways to map their raw axis values to pixels for scrolling. When calling this method, use the scroll values in pixels by which the view was scrolled; do not use the raw axis values. That is, use whatever value is passed to one of View's scrolling methods (example: scrollBy). For example, for vertical scrolling on AXIS_SCROLL, convert the raw axis value to the equivalent pixels by using getScaledVerticalScrollFactor, and use that value for this method call.

Note that a feedback may not be provided on every call to this method. This interface, for instance, may provide feedback for every `x` pixels scrolled. For the interface to properly track scroll progress and provide feedback when needed, call this method for each scroll event that you want to be accounted to scroll feedback.

Parameters

inputDeviceId

the ID of the InputDevice that caused scroll progress.

source

the input source of the motion that caused scroll progress.

axis

the axis of event that caused scroll progress.

deltaInPixels

the amount of scroll progress, in pixels.