allprojects {
  repositories {
    ...
    maven { url 'https://jitpack.io' }
  }
}

dependencies {
  implementation 'com.github.zhangxq:QRefreshLayout:1.0.8'
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.zhangxq.refreshlayout.QRefreshLayout
        android:id="@+id/refreshLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </com.zhangxq.refreshlayout.RefreshLayout>
</LinearLayout>

refreshLayout.setOnRefreshListener(this);
refreshLayout.setOnLoadListener(this);

import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.Gravity;
import android.widget.RelativeLayout;

import com.zhangxq.refreshlayout.defaultview.Refresh;

/**
 * Created by zhangxiaoqi on 2019/4/22.
 */

public abstract class RefreshView extends RelativeLayout implements Refresh {
    public RefreshView(Context context) {
        this(context, null);
    }

    public RefreshView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        setGravity(Gravity.CENTER);
    }

    /**
     * 释放即そく可か到いた达二楼ろう
     */
    public abstract void setReleaseToSecondFloor();

    /**
     * 展示てんじ二に楼ろう
     */
    public abstract void setToSecondFloor();

    /**
     * 回かい到いた一いち楼ろう
     */
    public abstract void setToFirstFloor();
}

public interface Refresh {
    /**
     * 手指しゅし拖动中ちゅう
     *
     * @param height        显示出来でき的てき区域くいき高度こうど
     * @param refreshHeight 下か拉ひしげ到いた触さわ发刷新しん位置いち的てき显示区域くいき高度こうど
     * @param totalHeight   总的显示区域くいき高度こうど
     */
    void setHeight(float height, float refreshHeight, float totalHeight);

    /**
     * 触さわ发刷新さっしん
     */
    void setRefresh();

    /**
     * 下した拉ひしげ刷新さっしん
     */
    void setPullToRefresh();

    /**
     * 释放即そく可か刷新さっしん
     */
    void setRefeaseToRefresh();
}

qRefreshLayout.setIsCanSecondFloor(true);
qRefreshLayout.setSecondFloorView(view);