Android4.0.4编程日记（3）--ListView单击获取事件

package com.example.test;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

/**
* http://www.cnblogs.com/pswzone/archive/2012/03/10/2389275.html * http://www.iteye.com/topic/540423 http://www.beijibear.com/?aid=341
* http://www.beijibear.com/?aid=341 *
* @author wy
* 单击显示，ListView   HashMap Toast
*/
public class MainActivity1 extends Activity {
private ListView mylistview;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mylistview = (ListView) findViewById(R.id.listview);

ArrayList<HashMap<String, String>> myArrayList = new ArrayList<HashMap<String, String>>();
for (int i = 0; i < 10; i++) {
HashMap<String, String> map = new HashMap<String, String>();
map.put("itemTitle", "This Is Title " + i);
map.put("itemContent", "This Is Content " + i);
myArrayList.add(map);
}
SimpleAdapter mySimpleAdapter = new SimpleAdapter(this, myArrayList,// 数据源
R.layout.list_items,// ListView内部数据展示形式的布局文件listitem.xml
new String[] { "itemTitle", "itemContent" },// HashMap中的两个key值
// itemTitle和itemContent
new int[] { R.id.itemTitle, R.id.itemContent });/*
* 布局文件listitem.
* xml中组件的id
* 布局文件的各组件分别映射到HashMap的各元素上
* ，完成适配
*/
mylistview.setAdapter(mySimpleAdapter);

mylistview.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
setTitle("点击第" + arg2 + "个项目");
HashMap<String, String> map = (HashMap<String, String>) mylistview
.getItemAtPosition(arg2);
String title = map.get("itemTitle");
String content = map.get("itemContent");
Toast.makeText(
getApplicationContext(),
"你选择了第" + arg2 + "个Item，itemTitle的值是：" + title
+ "itemContent的值是:" + content,
Toast.LENGTH_SHORT).show();
}

});
}

}