Immediate Scrolling with RecyclerView & LinearLayoutManager

Question

I have a RecyclerView that uses a LayoutManager that inherits from LinearLayoutManager, in which I override the SmoothScrollToPosition method. Everything works perfect except for the time. I want the scroll to be immediate (0 seconds). I also inherit from LinearSmoothScroller & override CalculateDtToFit. I have found several methods when inheriting from LinearSmoothScroller, including CalculateSpeedPerPixel, CalculateTimeForDeceleration & CalculateTimeForScrolling, but none of them seem to do what I need. Is there any simple way to set the duration of the scrolling performed by SmoothScrollToPosition?

Answer 1

Hello,

On native Android, you could override those method you mentioned to change the speed of scrolling.

However, there is no such an API to cancel the scrolling time to make scrolling be immediate (0 seconds).

If you refer to the source code of the SmoothScrollToPosition method, the function called will eventually be called by the internal class of RecyclerView, ViewFlinger's postOnAnimation() method to play the scroll animation.

Best Regards,

Alec Liu.

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