Android



package cn.bzu.listview03;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Toast;

//第一步：extends Activity
public class MainActivity extends Activity {
 // 第二步：定义数据集合
 List<Map<String, ?>> data;
    ListView listView;
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  data = getData();
  // 第三步：创建SimpleAdapter绑定数据
  SimpleAdapter adapter = new SimpleAdapter(this, data,
    R.layout.list_item, new String[] { "photo", "name", "publish",
      "content" }, new int[] { R.id.photo, R.id.name,
      R.id.publish, R.id.content });
  listView=(ListView) this.findViewById(R.id.listView);
  listView.setAdapter(adapter);
  listView.setOnItemClickListener(new ListClickHandler());

 }
 
 //第四步：添加单击事件
 private class ListClickHandler implements OnItemClickListener{

  @Override
  public void onItemClick(AdapterView<?> adapterView, View view, int position,
    long id) {
   Map<String, String> item=(Map<String, String>) data.get(position);
   Toast.makeText(MainActivity.this, item.get("name").toString(), Toast.LENGTH_LONG).show();
  }
  
 }

 private List<Map<String, ?>> getData() {
  List<Map<String, ?>> data = new ArrayList<Map<String, ?>>();
  Map<String, Object> item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p1);
  item.put("name", "想想");
  item.put("publish", "1分钟前");
  item.put("content", "正在学习AndroidListView,嘎嘎嘎嘎嘎嘎嘎嘎嘎");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p2);
  item.put("name", "嘻嘻");
  item.put("publish", "10分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p3);
  item.put("name", "米粒");
  item.put("publish", "5分钟前");
  item.put("content", "今天糗大了！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p4);
  item.put("name", "丽丽");
  item.put("publish", "1分钟前");
  item.put("content", "今天遇到一件好玩的事情！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p5);
  item.put("name", "西西");
  item.put("publish", "2分钟前");
  item.put("content", "今天天气真好哈！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p6);
  item.put("name", "露露");
  item.put("publish", "10分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p7);
  item.put("name", "美美");
  item.put("publish", "2分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p8);
  item.put("name", "晕晕");
  item.put("publish", "5分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p9);
  item.put("name", "嘻嘻");
  item.put("publish", "4分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  item = new HashMap<String, Object>();
  item.put("photo", R.drawable.p10);
  item.put("name", "嘻嘻");
  item.put("publish", "1分钟前");
  item.put("content", "今天真高兴啊！");
  data.add(item);
  return data;
 }

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  getMenuInflater().inflate(R.menu.activity_main, menu);
  return true;
 }

}