android 下拉刷新上拉加载

【实例截图】

【核心代码】

package com.eric.pulltorefreshdemo;

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

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;

public class MainActivity extends Activity {
	private ListView listView;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		((PullToRefreshLayout) findViewById(R.id.refresh_view))
		.setOnRefreshListener(new MyListener());
		listView = (ListView) findViewById(R.id.content_view);
		initListView();
	}
	
	private void initListView()
	{
		List<String> items = new ArrayList<String>();
		items.add("ListView数据1");
		items.add("ListView数据2");
		items.add("ListView数据3");
		items.add("ListView数据4");
		items.add("ListView数据5");
		items.add("ListView数据6");
		items.add("ListView数据7");
		MyAdapter adapter = new MyAdapter(this, items);
		listView.setAdapter(adapter);
		listView.setOnItemLongClickListener(new OnItemLongClickListener()
		{
			@Override
			public boolean onItemLongClick(AdapterView<?> parent, View view,
					int position, long id)
			{
				return true;
			}
		});
		listView.setOnItemClickListener(new OnItemClickListener()
		{

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id)
			{
			}
		});
	}
	
	
	public class MyAdapter extends BaseAdapter {
		List<String> items;
		Context context;

		public MyAdapter(Context context, List<String> items) {
			this.context = context;
			this.items = items;
		}

		@Override
		public int getCount() {
			return items.size();
		}

		@Override
		public Object getItem(int position) {
			return items.get(position);
		}

		@Override
		public long getItemId(int position) {
			return position;
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			View view = LayoutInflater.from(context).inflate(
					R.layout.layout_listview_item, null);
			TextView tv = (TextView) view.findViewById(R.id.tv);
			tv.setText(items.get(position));
			return view;
		}

	}
}