Android：控件GridView的使用实例

<?xml version="1.0" encoding="utf-8"?>
<gridview xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent" >
  

</gridview>

package com.example.testgridview;

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 gview;
  private list<map<string, object>> data_list;
  private simpleadapter sim_adapter;
  // 图片封装为一个数组
  private int[] icon = { 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 };
  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" };

  @override
  protected void oncreate(bundle savedinstancestate) {
    super.oncreate(savedinstancestate);
    setcontentview(r.layout.test);
    gview = (gridview) findviewbyid(r.id.gview);
    //新建list
    data_list = new arraylist<map<string, object>>();
    //获取数据
    getdata();
    //新建适配器
    string [] from ={"image","text"};
    int [] to = {r.id.image,r.id.text};
    sim_adapter = new simpleadapter(this, data_list, r.layout.item, from, to);
    //配置适配器
    gview.setadapter(sim_adapter);
  }

  
  
  public list<map<string, object>> getdata(){    
    //cion和iconname的长度是相同的，这里任选其一都可以
    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]);
      data_list.add(map);
    }
      
    return data_list;
  }
  

}

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="vertical" 
  android:background="#000"
  >
  
<gridview 
    android:id="@+id/gview"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:numcolumns="auto_fit"  
    android:columnwidth="80dp"
    android:stretchmode="columnwidth"
    ></gridview>
</linearlayout>

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:orientation="vertical" 
  android:gravity="center"
  android:padding="10dp"
  >
  
  
<imageview 
  android:src="@drawable/ic_launcher"
  android:id="@+id/image"
  android:layout_width="60dp"
  android:layout_height="60dp"
  
  />

<textview 
  android:id="@+id/text"
  android:layout_margintop="5dp"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:textcolor="#ffffff"
  android:text="文字"
  />
</linearlayout>