SwipeRefreshLayout的使用，下拉刷新

1.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="myapplication.com.myswiperefreshlayou.MainActivity">

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/id_swipe_ly"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <ListView
            android:id="@+id/id_listview"
            android:layout_width="match_parent"
            android:layout_height="match_parent" >
        </ListView>
    </android.support.v4.widget.SwipeRefreshLayout>
</RelativeLayout>

2,

package myapplication.com.myswiperefreshlayou;

import android.annotation.SuppressLint;
import android.os.Handler;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.AbsListView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class MainActivity extends AppCompatActivity  implements SwipeRefreshLayout.OnRefreshListener{

    private static final int REFRESH_COMPLETE = 0X110;
    private SwipeRefreshLayout mSwipeLayout;
    private ListView mListView;
    private ArrayAdapter<String> mAdapter;
    private List<String> mDatas = new ArrayList<String>(Arrays.asList("Java", "Javascript", "C++", "Ruby", "Json",
            "HTML"));

    private Handler mHandler = new Handler()
    {
        public void handleMessage(android.os.Message msg)
        {
            switch (msg.what)
            {
                // 下拉刷新的操作
                case REFRESH_COMPLETE:
                    mDatas.addAll(Arrays.asList("Lucene", "Canvas", "Bitmap"));
                    mAdapter.notifyDataSetChanged();
                    mSwipeLayout.setRefreshing(false);
                    break;

            }
        };
    };

    @SuppressLint("InlinedApi")
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mListView = (ListView) findViewById(R.id.id_listview);
        mSwipeLayout = (SwipeRefreshLayout) findViewById(R.id.id_swipe_ly);

        mSwipeLayout.setOnRefreshListener(this);
      //  mSwipeLayout.setColorScheme(android.R.color.holo_blue_bright, android.R.color.holo_green_light,
        //        android.R.color.holo_orange_light, android.R.color.holo_red_light);
        mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mDatas);
        mListView.setAdapter(mAdapter);

        mListView.setOnScrollListener(new AbsListView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(AbsListView view, int scrollState) {

                switch (scrollState) {

                    // 当不滚动时

                    case AbsListView.OnScrollListener.SCROLL_STATE_IDLE:

                        // 判断滚动到底部

                        if (view.getLastVisiblePosition() == (view.getCount() - 1)) {

                            // 滑动到底时的操作
                            mDatas.addAll(Arrays.asList("1", "1", "1"));
                            mAdapter.notifyDataSetChanged();
                            mSwipeLayout.setRefreshing(false);

                        }

                        break;

                }

            }

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

            }
        });
    }

    public void onRefresh()
    {
        // Log.e("xxx", Thread.currentThread().getName());
        // UI Thread

        mHandler.sendEmptyMessageDelayed(REFRESH_COMPLETE, 2000);

    }
}