RecycleView分页滚动的工具类（非原创）

最新推荐文章于 2024-09-06 11:35:43 发布

Miyukii

最新推荐文章于 2024-09-06 11:35:43 发布

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本文链接：https://blog.youkuaiyun.com/mr_lichao/article/details/102972549

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本文介绍了一个RecycleView的分页滚动工具类，实现了一次滑动一页的功能，类似于ViewPager。同时，该工具类能获取到总页数和当前页数。详细实现过程、使用方法以及更多分页功能可在作者GitHub仓库中查看。

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实现功能：1.一次只能滑动一页，类似viewpager .

2可以获取总页数和当前页数

1.实现过程


import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;

/**
 * 实现RecycleView分页滚动的工具类
 * Created by lichao on  2019/11/8
 */
public class PagingScrollHelper {


    RecyclerView mRecyclerView = null;

    private MyOnScrollListener mOnScrollListener = new MyOnScrollListener();

    private MyOnFlingListener mOnFlingListener = new MyOnFlingListener();
    private int offsetY = 0;
    private int offsetX = 0;

    int startY = 0;
    int startX = 0;


    enum ORIENTATION {
        HORIZONTAL, VERTICAL, NULL
    }

    private ORIENTATION mOrientation = ORIENTATION.HORIZONTAL;

    public void setUpRecycleView(RecyclerView recycleView) {
        if (recycleView == null) {
            throw new IllegalArgumentException("recycleView must be not null");
        }
        mRecyclerView = recycleView;
        //处理滑动
        recycleView.setOnFlingListener(mOnFlingListener);
        //设置滚动监听，记录滚动的状态，和总的偏移量
        recycleView.setOnScrollListener(mOnScrollListener);
        //记录滚动开始的位置
        recycleView.setOnTouchListener(mOnTouchListener);
        //获取滚动的方向
        updateLayoutManger();

    }

    public void updateLayoutManger() {
        RecyclerView.LayoutManager layoutManager = mRecyclerView.getLayoutManager();
        if (layoutManager != null) {
            if (layoutManager.canScrollVertically()) {
                mOrientation = ORIENTATION.VERTICAL;
            } else if (layoutManager.canScrollHorizontally()) {
                mOrientation = ORIENTATION.HORIZONTAL;
            } else {
                mOrientation = ORIENTATION.NULL;
            }
            if (mAnimator != null) {
                mAnimator.cancel();
            }
            startX = 0;
            startY = 0;
            offsetX =