自动加载更多的listView

package com.supermap.testdemo;import android.content.Context;import android.util.AttributeSet;import android.view.Gravity;import android.view.ViewGroup;import android.widget.AbsListView;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.ProgressBar;import android.widget.TextView;/** * Created by Administrator on 2017/6/9 0009. */public class LoadMoreListView extends ListView implements AbsListView.OnScrollListener {    private LinearLayout footerView;    private int totalCount;    private int lastVisibleCount;    private boolean isLoading = false;    private ILoadMoreListener iLoadMoreListener;    public LoadMoreListView(Context context) {        super(context);        initView(context);    }    public LoadMoreListView(Context context, AttributeSet attrs) {        super(context, attrs);        initView(context);    }    public LoadMoreListView(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        initView(context);    }    private void initView(Context context) {        /**         * 设置滚动监听         */        setOnScrollListener(this);        initFootView(context);    }    private void initFootView(Context context) {        footerView = new LinearLayout(context);        ProgressBar progressBar = new ProgressBar(context);        LinearLayout.LayoutParams progressBarParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);        progressBarParams.setMargins(10, 0, 10, 0);        progressBar.setLayoutParams(progressBarParams);        footerView.addView(progressBar);        TextView textView = new TextView(context);        textView.setText("loading");        footerView.addView(textView);        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);        layoutParams.gravity = Gravity.CENTER;        textView.setLayoutParams(layoutParams);        addFooterView(footerView);    }    /**     * 滚动监听     *     * @param view     * @param scrollState     */    @Override    public void onScrollStateChanged(AbsListView view, int scrollState) {        if (totalCount == lastVisibleCount                && scrollState == SCROLL_STATE_IDLE) {            if (!isLoading) {                footerView.setVisibility(VISIBLE);                isLoading = true;                //加载更多                if (iLoadMoreListener != null) {                    iLoadMoreListener.loadMore();                } else {                    new Throwable("fuck you!");                }            }        }    }    @Override    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {        this.lastVisibleCount = firstVisibleItem + visibleItemCount;        this.totalCount = totalItemCount;    }    public void completeLoadMore() {        isLoading = false;        footerView.setVisibility(GONE);        /**         * 滚动         */        smoothScrollToPosition(lastVisibleCount);    }    /**     * 加载更多接口回调     *     * @param iLoadMoreListener     */    public void setLoadMoreListener(ILoadMoreListener iLoadMoreListener) {        this.iLoadMoreListener = iLoadMoreListener;    }    public interface ILoadMoreListener {        void loadMore();    }}

使用方法：

listView.setLoadMoreListener(new LoadMoreListView.ILoadMoreListener() {    @Override    public void loadMore() {
adapter.addData(getMoreList());
        listView.completeLoadMore();
    }});