Android Recycleview PagerSnapHelper滚动距离

如何自定义PagerSnapHelper的滚动距离，以便Recycleview滚动与当前可见项目高度一致

 binding.videoTrendsRecycle.setLayoutManager(mLayoutManager);
                            binding.videoTrendsRecycle.setMediaObjects(videosResponse.getVideosResponseArrayList());
                            SnapHelper snapHelper = new PagerSnapHelper();
                            snapHelper.findTargetSnapPosition(mLayoutManager, 0, 1000);
                            binding.videoTrendsRecycle.setOnFlingListener(null);
                            snapHelper.attachToRecyclerView(binding.videoTrendsRecycle);
           VideoPlayerRecyclerAdapter adapter = new VideoPlayerRecyclerAdapter(videosResponse.getVideosResponseArrayList(), initGlide(context), context);