Android下拉刷新控件PullToRefresh实例解析

//获取带有刷新的对应控件
 pullToRefreshListView.getRefreshableView();
 /**
 * 设置刷新的模式：常用的有三种
 * PullToRefreshBase.Mode.BOTH //上下拉刷新都可以
 * PullToRefreshBase.Mode.PULL_FROM_START //只允许下拉刷新
 * PullToRefreshBase.Mode.PULL_FROM_END //只允许上拉刷新
 *
 */
 pullToRefreshListView.setMode(PullToRefreshBase.Mode.PULL_FROM_END);
 //设置是否允许刷新的时候可以滑动
 pullToRefreshListView.setScrollingWhileRefreshingEnabled(true);

pullToRefreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2() {
 //完成下拉刷新操作
 @Override
 public void onPullDownToRefresh(PullToRefreshBase refreshView) {

 }

 //完成上拉刷新操作
 @Override
 public void onPullUpToRefresh(PullToRefreshBase refreshView) {

 }
 });

package ggcomic.rabbit.lx.pulltorefresh;

import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.handmark.pulltorefresh.library.LoadingLayoutProxy;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;

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

public class MainActivity extends AppCompatActivity {

 private PullToRefreshListView pullToRefreshListView;
 private ListView lv;
 private List datas;
 private ArrayAdapter adapter;
 private Handler handler=new Handler();
 private LoadingLayoutProxy llProxy;//设置刷新时的文本等的对象

 @Override

 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);

 pullToRefreshListView = (PullToRefreshListView) findViewById(R.id.pull);

 datas=new ArrayList<>();
 for(int i=1;i<=50;i++){
 datas.add("item---------"+i);
 }

 //获取带有刷新的对应控件
 lv = pullToRefreshListView.getRefreshableView();
 adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, datas);
 lv.setAdapter(adapter);
 /**
 * 设置刷新的模式：常用的有三种
 * PullToRefreshBase.Mode.BOTH //上下拉刷新都可以
 * PullToRefreshBase.Mode.PULL_FROM_START //只允许下拉刷新
 * PullToRefreshBase.Mode.PULL_FROM_END //只允许上拉刷新
 *
 */
 pullToRefreshListView.setMode(PullToRefreshBase.Mode.BOTH);
 //设置是否允许刷新的时候可以滑动
 pullToRefreshListView.setScrollingWhileRefreshingEnabled(true);

 pullToRefreshListView.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2() {
 //完成下拉刷新操作
 @Override
 public void onPullDownToRefresh(PullToRefreshBase refreshView) {
 new Thread(new Runnable() {
  @Override
  public void run() {
  try {
  //休眠2s
  Thread.sleep(2000);
  } catch (InterruptedException e) {
  e.printStackTrace();
  }

  //向集合中添加一个随机数
  datas.add(0,"item-------"+(int)(Math.random()*100+1));
  handler.post(new Runnable() {
  @Override
  public void run() {
  adapter.notifyDataSetChanged();
  //控件刷新最新的数据
  pullToRefreshListView.onRefreshComplete();
  }
  });
  }
 }).start();
 }

 //完成上拉刷新操作
 @Override
 public void onPullUpToRefresh(PullToRefreshBase refreshView) {

 }
 });

 }
}

layoutProxy = (LoadingLayoutProxy) pullToRefreshListView.getLoadingLayoutProxy(true, false);
 //下拉的时候显示的文本
 layoutProxy.setPullLabel("很好，继续向下拖！");
 //可以放开刷新的时候显示的文本
 layoutProxy.setReleaseLabel("放开那只萝莉，让我来！");
 //执行刷新的时候显示的文本
 layoutProxy.setRefreshingLabel("正在刷新喵~");
 //设置加载的图片
 layoutProxy.setLoadingDrawable(getResources().getDrawable(R.drawable.animatorss));

SoundPullEventListener soundEvend = new SoundPullEventListener<>(this);
 //根据Flag设置拉出时的声音
 soundEvend.addSoundEvent(PullToRefreshBase.State.PULL_TO_REFRESH, R.raw.pull_event);
 //拉出的控件回退时的声音
 soundEvend.addSoundEvent(PullToRefreshBase.State.RESET, R.raw.reset_sound);
 //正在刷新时的声音
 soundEvend.addSoundEvent(PullToRefreshBase.State.REFRESHING, R.raw.refreshing_sound);
 //为刷新控件绑定我们的设置
 pullToRefreshListView.setOnPullEventListener(soundEvend);