gridView设置属性

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.os.Bundle;
import android.widget.GridView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

    private GridView gridView;
    private List<Map<String, Object>> datalist;
    private int[] icon = { R.drawable.icon_address_book,
            R.drawable.icon_calendar, R.drawable.icon_camera,
            R.drawable.icon_clock, R.drawable.icon_games_control,
            R.drawable.icon_messenger, R.drawable.icon_ringtone,
            R.drawable.icon_settings, R.drawable.icon_speech_balloon,
            R.drawable.icon_weather, R.drawable.icon_world,
            R.drawable.icon_youtube };
    private String[] iconName = { "通讯录", "日历", "照相机", "时钟", "游戏", "短信", "铃声",
            "设置", "语音", "天气", "浏览器", "视频" };

    private SimpleAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        gridView = (GridView) this.findViewById(R.id.gridView);
        // 1.准备数据源
        // 2.新建适配器
        // 3.GridView加载适配器
        // 4.GridView配置事件监听器（OnItemClickListener）
        datalist = new ArrayList<Map<String, Object>>();
//        getData();
        adapter = new SimpleAdapter(this, getData(), R.layout.item,
                new String[] { "image", "text" }, new int[] { R.id.id_image,
                        R.id.id_text });
        gridView.setAdapter(adapter);
    }

    private List<Map<String, Object>> getData() {
        for (int i = 0; i < icon.length; i++) {
            Map<String, Object> map = new HashMap<String, Object>();
            map.put("image", icon[i]);
            map.put("text", iconName[i]);
            datalist.add(map);
        }

        return datalist;
    }

}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=""
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <!--
        android:numColumns=""    每一行显示多少列
            android:horizontalSpacing=""    两列之间的距离
            android:verticalSpacing=""    两行之间的距离
    -->

    <GridView
        android:layout_marginTop="10dp"
        android:id="@+id/gridView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:numColumns="3"
        android:horizontalSpacing="10dp"
        android:verticalSpacing="10dp">
    </GridView>

</LinearLayout>

item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=""
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000000"
    android:gravity="center"
    android:orientation="vertical" >

    <ImageView
        android:id="@+id/id_image"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:id="@+id/id_text"
        android:layout_marginTop="5dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="文字"
        android:textColor="#ffffff"
        android:textSize="20sp" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android=""
    package="com.example.gridview"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="21" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@android:style/Theme.Black.NoTitleBar" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>