GridView实例

源代码：

package com.mobimtech.com;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

public class GridViewDemo extends Activity {
 /** Called when the activity is first created. */
 
 GridView grid;
 ComplexLayoutAdapter adapter;

 int image[] = { R.drawable.look, R.drawable.map, R.drawable.delete };
 String name[] = { "查看信息", "地理位置", "删除好友" };

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  grid= (GridView) findViewById(R.id.gride);
  adapter=new ComplexLayoutAdapter(this);
  grid.setAdapter(adapter);
  grid.setOnItemClickListener(new OnItemClickListener(){

   @Override
   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
     long arg3) {
    // TODO Auto-generated method stub
    setTitle(name[arg2]);
   }
  
  });
 
 }

 class ComplexLayoutAdapter extends BaseAdapter {

  Activity a;
  public ComplexLayoutAdapter(Activity a){
   this.a=a;
  }
 
  @Override
  public int getCount() {
   // TODO Auto-generated method stub
   return image.length;
  }

  @Override
  public Object getItem(int position) {
   // TODO Auto-generated method stub
   return null;
  }

  @Override
  public long getItemId(int position) {
   // TODO Auto-generated method stub
   return position;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
   // TODO Auto-generated method stub
   return composeLayout(position);
  }
  public View composeLayout(int i){
   LinearLayout layout=new LinearLayout(a);
   layout.setOrientation(LinearLayout.VERTICAL);
   ImageView iv=new ImageView(a);
   iv.setImageResource(image[i]);
   layout.addView(iv,new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT));
   TextView tv=new TextView(a);
   tv.setGravity(Gravity.CENTER_HORIZONTAL);
   tv.setTextColor(Color.WHITE);
   tv.setText(name[i]);
   layout.addView(tv,new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT));
   return layout;
  }

 }
}

布局文件：

<?xml version="1.0" encoding="utf-8"?>  
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    >  
<GridView    
    android:id="@+id/gride" 
    android:layout_width="fill_parent"   
    android:layout_height="wrap_content"   
 android:numColumns="3"
    />  
</LinearLayout>