ex06.java

来自「Google Android应用框架原理与程序设计 第三版(中文高清PDF)高焕」· Java 代码 · 共 46 行

package com.misoo.ex06;
import java.util.ArrayList;
import java.util.Map;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

public class ex06 extends Activity {
    /** Called when the activity is first created. */
	private ListView lv;
	private TextView tv;
	private DataModel dm;
	ArrayList<Map<String, Object>> coll;
	@Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        dm = new DataModel();
        
        setContentView(R.layout.list);
        lv = (ListView)findViewById(R.id.list);
        lv.setOnItemClickListener(listener);
        tv = (TextView)findViewById(R.id.text);
        //--------------------------------------------
        coll = dm.loadData();
        SimpleAdapter adapter = new SimpleAdapter(this, coll,
                android.R.layout.simple_list_item_1, new String[] { "prod_na" },
                new int[] {android.R.id.text1});
        lv.setAdapter(adapter);
      }
   OnItemClickListener listener = new OnItemClickListener()
    {
    	public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
			// TODO Auto-generated method stub
    		tv.setTextColor(Color.YELLOW);
        	tv.setText(coll.get(arg2).get("prod_type").toString());
		} 
      };
 }