PullToRefresh

<strong>package com.bwie.refresh;

import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.LinkedList;

import com.handmark.pulltorefresh.library.ILoadingLayout;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshBase.Mode;
import com.handmark.pulltorefresh.library.PullToRefreshBase.OnLastItemVisibleListener;
import com.handmark.pulltorefresh.library.PullToRefreshBase.OnRefreshListener;
import com.handmark.pulltorefresh.library.PullToRefreshListView;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.format.DateUtils;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends Activity {

private PullToRefreshListView pull_list;
private ArrayAdapter<String> mAdapter;
private LinkedList<String> linkedList;
private ListView refreshableView;
private ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//找控件
initview();

}

private void initview() {
//找控件
pull_list=(PullToRefreshListView)findViewById(R.id.pull_list);

ILoadingLayout startLabels = pull_list
.getLoadingLayoutProxy(true, false);
startLabels.setPullLabel("下拉刷新...");// 刚下拉时，显示的提示
startLabels.setRefreshingLabel("正在载入...");// 刷新时
startLabels.setReleaseLabel("放开刷新...");// 下来达到一定距离时，显示的提示

ILoadingLayout endLabels = pull_list.getLoadingLayoutProxy(
false, true);
endLabels.setPullLabel("上拉刷新...");// 刚下拉时，显示的提示
endLabels.setRefreshingLabel("正在载入...");// 刷新时
endLabels.setReleaseLabel("放开刷新...");// 下来达到一定距离时，显示的提示

pull_list.setOnRefreshListener(new OnRefreshListener<ListView>() {

@Override
public void onRefresh(PullToRefreshBase<ListView> refreshView) {
String label = DateUtils.formatDateTime(getApplicationContext(), System.currentTimeMillis(),
DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_ALL);
refreshView.getLoadingLayoutProxy().setLastUpdatedLabel(label);//3.刷新界面处理代理,显示新的时间
new GetDataTask().execute();

}
});

pull_list.setOnLastItemVisibleListener(new OnLastItemVisibleListener() {

@Override
public void onLastItemVisible() {

}
});

refreshableView = pull_list.getRefreshableView();
pull_list.setMode(Mode.BOTH);
//构建数据
linkedList = new LinkedList<String>();
linkedList.addAll(Arrays.asList(mStrings));
//建立适配器
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, linkedList);
//设置适配器
refreshableView.setAdapter(mAdapter);
//为refreshableView添加上下文菜单
registerForContextMenu(refreshableView);
}

//异步加载
private class GetDataTask extends AsyncTask<Void, Void, String[]>{

@Override
protected String[] doInBackground(Void... params) {

try {
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return mStrings;
}

@Override
protected void onPostExecute(String[] result) {
super.onPostExecute(result);
//刷新加载数据
linkedList.addFirst("加载的数据");
//刷新适配器
mAdapter.notifyDataSetChanged();
//刷新完成
pull_list.onRefreshComplete();
}

}

public static final  String[] mStrings = { "Abbaye de Belloc", "Abbaye du Mont des Cats", "Abertam", "Abondance", "Ackawi",
"Acorn", "Adelost", "Affidelice au Chablis", "Afuega'l Pitu", "Airag", "Airedale", "Aisy Cendre",
"Allgauer Emmentaler", "Abbaye de Belloc", "Abbaye du Mont des Cats", "Abertam", "Abondance", "Ackawi",
"Acorn", "Adelost", "Affidelice au Chablis", "Afuega'l Pitu", "Airag", "Airedale", "Aisy Cendre",
"Allgauer Emmentaler" };

}

<com.handmark.pulltorefresh.library.PullToRefreshListView
       xmlns:ptr="http://schemas.android.com/apk/res-auto"
       android:id="@+id/pulltorefreshlistview"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       ptr:ptrDrawable="@drawable/default_ptr_flip"
       ptr:ptrAnimationStyle="flip"
       ptr:ptrHeaderBackground="#383838"/>

 </strong>