package org.yang.android.adapter.util;import org.yang.android.adapter.demo.R;
import org.yang.android.adapter.model.Book;import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;public class IAdapter extends ArrayAdapter<Object> {private int resources;private LayoutInflater inflater;public IAdapter(Context context, int resources, Book[] books){super(context, resources, books);this.resources = resources;this.inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);}public View getView(int position, View convertView, ViewGroup parent) {convertView = inflater.inflate(resources, null);Book bi = (Book) this.getItem(position);if (bi == null) {return null;}TextView nameView = (TextView)convertView.findViewById(R.id.bname);nameView.setText(bi.getName());ImageView bicon = (ImageView)convertView.findViewById(R.id.bimage);bicon.setBackgroundDrawable(bi.getIcon());TextView bdescView = (TextView)convertView.findViewById(R.id.bdesc);bdescView.setText(bi.getDesc());TextView bpress = (TextView)convertView.findViewById(R.id.bpress);bpress.setText(bi.getPress());TextView bprices = (TextView)convertView.findViewById(R.id.bprices);bprices.setText(bi.getPrices());return convertView;}
}

package org.yang.android.adapter.demo;import org.yang.android.adapter.model.Book;
import org.yang.android.adapter.util.IAdapter;import android.app.Activity;
import android.content.res.AssetManager;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;public class AdapterDemoActivity extends Activity {/** Called when the activity is first created. */ListView lv;Book[] books = new Book[5];AssetManager assets;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);lv = (ListView)this.findViewById(R.id.lv);assets = this.getAssets();try {books[0] = new Book("linux", Drawable.createFromStream(assets.open("linux.jpg"), null), "desc", "人民", "36.6");books[1] = new Book("linux", Drawable.createFromStream(assets.open("linux.jpg"), null), "desc", "人民", "36.6");books[2] = new Book("linux", Drawable.createFromStream(assets.open("linux.jpg"), null), "desc", "人民", "36.6");books[3] = new Book("linux", Drawable.createFromStream(assets.open("linux.jpg"), null), "desc", "人民", "36.6");books[4] = new Book("linux", Drawable.createFromStream(assets.open("linux.jpg"), null), "desc", "人民", "36.6");} catch (Exception e) {// TODO: handle exceptionLog.d("app 读到文件出错!", e.toString());}IAdapter adapter = new IAdapter(this, R.layout.book, books);lv.setAdapter(adapter);}
}