滑动布局（改进）

package com.example.myapplication.mvvm;

import android.content.Context;
import android.util.AttributeSet;

import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.PagerSnapHelper;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.SnapHelper;

public class DYLinearLayout extends LinearLayoutManager {

    PagerSnapHelper helper;
    public DYLinearLayout(Context context) {
        super(context);
    }

    public DYLinearLayout(Context context, int orientation, boolean reverseLayout) {
        super(context, orientation, reverseLayout);
    }

    public DYLinearLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    @Override
    public void onAttachedToWindow(RecyclerView view) {
        super.onAttachedToWindow(view);
        if (helper == null) {
            helper = new PagerSnapHelper();
        }
        helper.attachToRecyclerView(view);
        SnapHelper snapHelper = new PagerSnapHelper();

//        snapHelper.attachToRecyclerView(helper.recyNavigation);
//        helper.recyNavigation.setOnFlingListener(null);
    }
}