安卓app_sl4_7网格视图显示图片GridView使用方法

网格视图GridView使用方法，适配器使用方法

package com.example.sl4_7;

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.view.Menu;
import android.view.MenuItem;
import android.widget.GridView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        GridView gridview=(GridView) findViewById(R.id.gridView1);
        int[] imageId=new int[]{R.drawable.img01,
                R.drawable.img02,
                R.drawable.img03,
                R.drawable.img04,
                R.drawable.img05,
                R.drawable.img06,
                R.drawable.img07,
                R.drawable.img08,
                R.drawable.img09,
                R.drawable.img10,
                R.drawable.img11,
                R.drawable.img12,};
        String[] title= new String[]{"花开富贵",
                "海天一色",
                "日出",
                "天路",
                "一枝独秀",
                "云",
                "独占鳌头",
                "蒲公英花",
                "花团锦簇",
                "争奇斗艳",
                "和谐",
                "林间小路",};
        List<Map<String,Object>> listItems=new ArrayList<Map<String,Object>>();
        for(int i=0;i<imageId.length;i++)
        {
            Map<String,Object> map=new HashMap<String,Object>();
            map.put("image", imageId[i]);
            map.put("title", title[i]);
            listItems.add(map);
        }
        SimpleAdapter adapter=new SimpleAdapter(this,
                listItems,
                R.layout.items,
                new String[]{"title","image"},
                new int[]{R.id.title,R.id.image}
                );
        gridview.setAdapter(adapter);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
   
    tools:context="com.example.sl4_7.MainActivity" >

    <GridView
        android:id="@+id/gridView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:stretchMode="columnWidth"
        android:numColumns="4" >
    </GridView>

</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
<!-- items.xml -->
    <ImageView
        android:id="@+id/image"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
      
        android:paddingLeft="10dp"
         />

    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="TextView" />

</LinearLayout>