SimpleAdapter gridView

package com.example.gridview;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import android.os.Build;

public class MainActivity extends Activity {

private GridView gridView;
private SimpleAdapter adapter;
private List<Map<String, Object>> dataList;

int[] drawable = { R.drawable.address_book, R.drawable.calendar,
R.drawable.camera, R.drawable.clock, R.drawable.games_control,
R.drawable.messenger, R.drawable.ringtone, R.drawable.settings,
R.drawable.speech_balloon, R.drawable.weather,
R.drawable.world, R.drawable.youtube };
String[] iconName = { "对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字",
"对应上面的名字", "对应上面的名字", "对应上面的名字", "对应上面的名字" };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
gridView=(GridView) findViewById(R.id.gridView);   //找到GridfView控件
dataList=new ArrayList<Map<String,Object>>();//定义一个数据源类型
adapter=new SimpleAdapter(this, getData(), R.layout.item, new String[]{"pic","name"}, new int[]{R.id.pic,R.id.name});//创建一个适配器
gridView.setAdapter(adapter);//绑定视图界面
}

private List<Map<String, Object>> getData() {

for (int i = 0; i < drawable.length; i++) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("pic", drawable[i]);
map.put("name", iconName[i]);
dataList.add(map);
}
Log.i("Main", "size="+dataList.size());
return dataList;
}
}