ListViewTest

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ImageView
android:id="@+id/friut_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:id="@+id/friut_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginLeft="10dip"  />

</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"
android:layout_height="match_parent"
>

<ListView
android:id="@+id/list_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ListView>

</LinearLayout>

package com.text.listviewtest;

public class Friut
{

private String name;
private int imageId;
public Friut(String name,int imageId){
this.name=name;
this.imageId=imageId;
}
public String getName(){
return name;
}
public int getimageId(){
return imageId;
}
}

package com.text.listviewtest;

import java.util.List;

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 FriutAdapter extends ArrayAdapter<Friut>
{
private int resourceId;
public FriutAdapter(Context context, int textViewResourceId, List<Friut> objects)
{
super(context,  textViewResourceId, objects);
resourceId= textViewResourceId;
}
public View getView(int position,View convertView,ViewGroup parent){
Friut friut = getItem(position);
View view=LayoutInflater.from(getContext()).inflate(resourceId, null);
ImageView friutImage=(ImageView)view.findViewById(R.id.friut_image);
TextView friutName=(TextView)view.findViewById(R.id.friut_name);
friutImage.setImageResource(friut.getimageId());
friutName.setText(friut.getName());
return view;
}
}

改进后的适配器

<pre name="code" class="java"> package com.example.uilistviewtest;

import java.util.List;
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 FruitAdapter extends ArrayAdapter<Fruit> {

private int resourceId;

public FruitAdapter(Context context, int textViewResourceId,
List<Fruit> objects) {
super(context, textViewResourceId, objects);
resourceId = textViewResourceId;
}
public View getView(int position, View convertView, ViewGroup parent) {
Fruit fruit = getItem(position);
View view;
ViewHolder viewHolder;
if (convertView == null) {
view = LayoutInflater.from(getContext()).inflate(resourceId, null);
viewHolder = new ViewHolder();
viewHolder.fruitImage = (ImageView) view.findViewById(R.id.fruit_image);
viewHolder.fruitName = (TextView) view.findViewById(R.id.fruit_name);
view.setTag(viewHolder);
} else {
view = convertView;
viewHolder = (ViewHolder) view.getTag();
}
viewHolder.fruitImage.setImageResource(fruit.getImageId());
viewHolder.fruitName.setText(fruit.getName());
return view;
}
class ViewHolder {

ImageView fruitImage;

TextView fruitName;
}
}

package com.text.listviewtest;

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

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

public class MainActivity extends Activity
{
private List<Friut> friutList=new ArrayList<Friut>();
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

initFriuts();//初始化水果数据
FriutAdapter adapter=new  FriutAdapter(MainActivity.this,R.layout.friut_item,friutList);
ListView listView=(ListView)findViewById(R.id.list_view);
listView.setAdapter(adapter);
}
private void initFriuts(){
Friut apple=new Friut("Apple",R.drawable.apple_pic);
friutList.add(apple);
Friut banana=new Friut("Banana",R.drawable.banana_pic);
friutList.add(banana);
Friut orange=new Friut("Orange",R.drawable.orange_pic);
friutList.add(orange);
Friut watermelon=new Friut("Watermelon",R.drawable.watermelon_pic);
friutList.add(watermelon);
Friut pear=new Friut("Pear",R.drawable.pear_pic);
friutList.add(pear);
Friut grape=new Friut("Grape",R.drawable.grape_pic);
friutList.add(grape);
Friut pineapple=new Friut("Pineapple",R.drawable.pineapple_pic);
friutList.add(pineapple);
Friut strawberry=new Friut("Strawberry",R.drawable.strawberry_pic);
friutList.add(strawberry);
Friut cherry=new Friut("Cherry",R.drawable.cherry_pic);
friutList.add(cherry);
Friut mango=new Friut("Mango",R.drawable.mango_pic);
friutList.add(mango);
Friut apple1=new Friut("Apple",R.drawable.apple_pic);
friutList.add(apple);
Friut banana1=new Friut("Banana",R.drawable.banana_pic);
friutList.add(banana);
Friut orange1=new Friut("Orange",R.drawable.orange_pic);
friutList.add(orange);
Friut watermelon1=new Friut("Watermelon",R.drawable.watermelon_pic);
friutList.add(watermelon);
Friut pear1=new Friut("Pear",R.drawable.pear_pic);
friutList.add(pear);
Friut grape1=new Friut("Grape",R.drawable.grape_pic);
friutList.add(grape);
Friut pineapple1=new Friut("Pineapple",R.drawable.pineapple_pic);
friutList.add(pineapple);
Friut strawberry1=new Friut("Strawberry",R.drawable.strawberry_pic);
friutList.add(strawberry);
Friut cherry1=new Friut("Cherry",R.drawable.cherry_pic);
friutList.add(cherry);
Friut mango1=new Friut("Mango",R.drawable.mango_pic);
friutList.add(mango);
}
}