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>