网络布局

public class MainAdapter extends BaseAdapter{
 private Context context;
 private String[] names;
 private int[] icons;
 public MainAdapter(Context context,String[] names, int[] icons) {
  this.context=context;
  this.names=names;
  this.icons=icons;
 }
 //返回集合数据的总数
 @Override
 public int getCount() {
  // TODO Auto-generated method stub
  return names.length;
 }
 //返回指定下标对应的数据对象
 @Override
 public Object getItem(int position) {
  // TODO Auto-generated method stub
  return names[position];
 }
 //返回每个条目
 @Override
 public long getItemId(int position) {
  // TODO Auto-generated method stub
  return position;
 }
 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
  //1.创建或得到对应当前行的一个viewHolder对象
  ViewHolder holder = null;
  //如果没有
  if (convertView==null) {
   // 加载Item的布局，得到的view对象
   convertView = View.inflate(context,R.layout.item_main, null);
   holder=new ViewHolder();
   holder.imageView=(ImageView) convertView.findViewById(R.id.iv_item_icon);
   holder.textView=(TextView) convertView.findViewById(R.id.tv_item_name);
   //将holder对象保存到convertView上
   convertView.setTag(holder);
  } else{
   //根据position设置对应的数据
   //得到当前行的数据对象
   holder = (ViewHolder) convertView.getTag();
  }
  //3.给viewHolder对象设置数据
  holder.imageView.setImageResource(icons[position]);
  holder.textView.setText(names[position]);
  return convertView;
 }
 
 class ViewHolder{
  ImageView imageView;
  TextView textView;
 }  
}

//成员变量  private GridView gv_main;  private MainAdapter adapter;  String[] names = new String[]{"手机防盗","通讯卫士","软件管家","流量管理","进程管理","手机杀毒","缓存清理","高级设置","设置中心"};  int[] icons = new int[]{R.drawable.widget01,R.drawable.widget02,R.drawable.widget03,R.drawable.widget04,R.drawable.widget05,R.drawable.widget06,R.drawable.widget07,R.drawable.widget08,R.drawable.widget09,};  

 @Override  protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.activity_main);      gv_main = (GridView) findViewById(R.id.gv_main);   adapter=new MainAdapter(MainActivity.this,names,icons);   //设置Adapter显示列表   gv_main.setAdapter(adapter);    }