android使用BaseAdapter小实例

MainActivity代码

package com.listviewtest;

import android.app.Activity;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.ListView;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		LinearLayout linearLayout = new LinearLayout(this);
		ListView listView = new ListView(this);
		listView.setAdapter(new OrderAdapter(this));
		
		linearLayout.addView(listView);
		
		setContentView(linearLayout);
	}

}

 OrderAdapter代码

package com.listviewtest;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

public class OrderAdapter extends BaseAdapter{
	
	private Context context;
	private List<String> list;
	
	public OrderAdapter(Context context) {
		this.context = context;
		list = new ArrayList<String>();
		list.add("商户名称：中国移动");
		list.add("订单金额：50.00元");
	}
	
	@Override
	public int getCount() {
		if(list==null) {
			return 0;
		}else{
			return list.size();
		}
	}

	@Override
	public Object getItem(int position) {
		if(list!=null) {
			return list.get(position);
		}else{
			return null;
		}
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public View getView(int position, View view, ViewGroup parent) {
		
		TextView order = new TextView(context);
		order.setText(list.get(position));
		
		return order;
	}

}