用ListSwipeRefreshLayout实现安卓listView下拉刷新，上拉加载

二级列表做完例子

1、XML布局
<com.android.mgwaiter.view.ListSwipeRefreshLayout

        android:id="@+id/srl_swipe_refresh_layout"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:background="@color/list_tasking_color">
        <ExpandableListView

            android:id="@+id/task_expandablelistview"

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            android:background="#00FFFFFF"

            android:divider="@null" />
</com.android.mgwaiter.view.ListSwipeRefreshLayout>

2、刷新方法
private void swipeRefresh() {

        // 设置顶部下拉刷新

        srl_swipe_refresh_layout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

            @Override

            public void onRefresh() {

                reLoadList();

                getTaskInfoStatic();    //网络请求

            }

        });

        // 设置底部上拉加载更多

        srl_swipe_refresh_layout.setOnLoadListener(new ListSwipeRefreshLayout.OnLoadListener() {

            @Override

            public void onLoad() {

                page++;

                getTaskInfoStatic();

            }

        });

    }

/**

     *list清除数据

     */

    private void reLoadList() {

        if (dataList != null) {

            dataList.clear();

            page = 1;

            mealExpandableListAdapter.refresh();

        }
    }

3、上拉加载更多自定义ListSwipeRefreshLayout

package com.android.mgwaiter.view;
import android.content.Context;

import android.support.v4.widget.SwipeRefreshLayout;

import android.util.AttributeSet;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewConfiguration;

import android.widget.AbsListView;

import android.widget.ExpandableListView;

import android.widget.ListView;
import com.android.mgwaiter.R;
public class ListSwipeRefreshLayout extends SwipeRefreshLayout implements AbsListView.OnScrollListener {
    private int mTouchSlop;

    private ListView mListView;

    private OnLoadListener mOnLoadListener;

    private View mListViewFooter;

    private int mYDown;

    private int mLastY;

    private boolean isLoading = false;
    public ListSwipeRefreshLayout(Context context) {

        this(context, null);

    }
    public ListSwipeRefreshLayout(Context context, AttributeSet attrs) {

        super(context, attrs);

 

        mTouchSlop = 150;//ViewConfiguration.get(context).getScaledTouchSlop();

 

        mListViewFooter = LayoutInflater.from(context).inflate(R.layout.view_footer, null, false);

    }

 

    @Override

    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

        super.onLayout(changed, left, top, right, bottom);

 

        // 初始化ListView对象

        if (mListView == null) {

            getListView();

        }

    }

 

    private void getListView() {

        int childs = getChildCount();

        if (childs > 0) {

            View childView = getChildAt(0);

            if (childView instanceof ListView) {

                mListView = (ExpandableListView) childView;

                // 设置滚动监听器给ListView, 使得滚动的情况下也可以自动加载

                mListView.setOnScrollListener(this);

            }

        }

    }

 

    public void setListView(ListView list) {

        this.mListView = list;

        setLoading(true);

        this.mListView.setOnScrollListener(this);

    }

 

    @Override

    public boolean dispatchTouchEvent(MotionEvent event) {

        final int action = event.getAction();

 

        switch (action) {

            case MotionEvent.ACTION_DOWN:

                mYDown = (int) event.getRawY();

                break;

            case MotionEvent.ACTION_MOVE:

                mLastY = (int) event.getRawY();

                break;

            case MotionEvent.ACTION_UP:

                mLastY = (int) event.getRawY();

    
4000
            if (canLoad()) {

                    loadData();

                }

                break;

            default:

                break;

        }

 

        return super.dispatchTouchEvent(event);

    }

 

    /**

     * @方法说明:是否可以加载更多, 条件是到了最底部, listview不在加载中, 且为上拉操作.

     */

    private boolean canLoad() {

        return isBottom() && !isLoading && isPullUp();

    }

 

    /**

     * @方法说明:判断是否到了最底部

     */

    private boolean isBottom() {

        if (mListView != null && mListView.getAdapter() != null) {

            return mListView.getLastVisiblePosition() == (mListView.getAdapter().getCount() - 1);

        }

        return false;

    }

 

    /**

     * @方法说明:是否是上拉操作

     */

    private boolean isPullUp() {
        Log.e("ListSwipeRefreshLayout","mTouchSlop ：" + mTouchSlop + "(mYDown - mLastY) ：" + (mYDown - mLastY));

        return (mYDown - mLastY) >= mTouchSlop;

    }

 

    /**

     * @方法说明: 如果到了最底部,而且是上拉操作.那么执行onLoad方法

     */ 

    private void loadData() {

        if (mOnLoadListener != null) {

            mOnLoadListener.onLoad();

        }

        // 设置状态

        setLoading(true);

    }

 

    /**

     * @方法说明:设置刷新

     */

    public void setLoading(boolean loading) {

        isLoading = loading;

        if (mListView != null && mListView.getFooterViewsCount() > 0)

            mListView.removeFooterView(mListViewFooter);

        if (isLoading) {

            if (mListView != null && mListView.getFooterViewsCount() <= 0)

                mListView.addFooterView(mListViewFooter);

        } else {

            mYDown = 0;

            mLastY = 0;

        }

    }

 

    public void setOnLoadListener(OnLoadListener loadListener) {

        mOnLoadListener = loadListener;

    }

 

    @Override

    public void onScrollStateChanged(AbsListView view, int scrollState) {

    }

 

    @Override

    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {

        if (isFastDoubleClick(100))

            return;
        // 滚动时到了最底部也可以加载更多

        isLoading = false;

        if (canLoad()) {

            loadData();

        }

    }

 

    public View getmListViewFooter() {

        return mListViewFooter;

    }

 

    /**

     * @类描述:加载更多的监听器

     */

    public static interface OnLoadListener {

        public void onLoad();

    }

 

    private static long lastClickTime;

 

    public static boolean isFastDoubleClick(long times) {

        long time = System.currentTimeMillis();

        long timeD = time - lastClickTime;

        if (0 < timeD && timeD < times) {

            return true;

        }

        lastClickTime = time;

        return false;

    }

}