android之SimpleAdapter

main.xml

<?xml version="1.0" encoding="utf-8"?><ListView xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/listView"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" />

item.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="56dp"  >    <ImageView        android:src="@drawable/ic_launcher"        android:layout_width="48dp"        android:layout_height="48dp"       />    <TableLayout         android:layout_width="0dp"        android:layout_height="wrap_content"       android:layout_weight="1.0"        android:layout_gravity="center_vertical"        android:stretchColumns="0,1"        >        <TableRow >            <TextView android:id="@+id/tv_01"/>            <TextView android:id="@+id/tv_02"/>        </TableRow>        <TableRow >            <TextView android:id="@+id/tv_03"/>            <TextView android:id="@+id/tv_04"/>        </TableRow>            </TableLayout></LinearLayout>

activity

package com.ghg.SimpleAdapter;import java.util.ArrayList;import java.util.HashMap;import java.util.Random;import android.app.Activity;import android.os.Bundle;import android.widget.ListView;import android.widget.SimpleAdapter;public class Day0604_SimpleAdapterActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        initView();    }    //构造数据源，一个存放map集合的ArrayList    ArrayList<HashMap<String, Object>> list;    private   ArrayList<HashMap<String, Object>> getList(){    list=new ArrayList<HashMap<String,Object>>();    for(int i=1;i<=20;i++){    HashMap<String, Object> map=new HashMap<String, Object>();    //姓名，身高（cm），体重（斤），价格（万）    map.put("name", "jiajia"+i);    map.put("height", 160+new Random().nextInt(10));    map.put("weight", 100+new Random().nextInt(10));    map.put("price", 100+new Random().nextInt(200));    list.add(map);    }    return list;        }    ListView listView;private void initView() {// TODO Auto-generated method stublistView=(ListView) findViewById(R.id.listView);String[] from={"name","height","weight","price"};int[] to={R.id.tv_01,R.id.tv_02,R.id.tv_03,R.id.tv_04};SimpleAdapter adapter=new SimpleAdapter(this, getList(), R.layout.item, from, to);listView.setAdapter(adapter);}}

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