实现思路：

1、获取id

2、获取数据

3、给id设置适配器（Adapter）

4、给id设置点击事件，循环1-1000

5、自定义适配器（内存溢出）
（1）把布局文件转成view
    
（2）设值

（3）给按钮设置点击事件



<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.zking.y2_android0609_widgetplus2.MainActivity">

<ListView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/lv_main_list"
    ></ListView>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:descendantFocusability="blocksDescendants"
    android:layout_height="match_parent">
<ImageView
    android:layout_width="50dp"
    android:layout_height="50dp"
    android:id="@+id/iv_item_icon"
    android:src="@drawable/default_ptr_flip"
    />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:id="@+id/tv_item_title"
        android:text="XX"
        android:textSize="30sp"
        />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="下载"
        android:id="@+id/btn_item_download"
        />
</LinearLayout>

public class ItemTag {
    public ImageView imageView;
    public TextView textView;
    public Button button;
}

package com.zking.y2_android0609_widgetplus2;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import java.util.List;

public class MainActivity extends AppCompatActivity {

    private ListView listView;
    private int[] images=new int[]{R.drawable.bird,R.drawable.cat,R.drawable.elephant,R.drawable.chicken};
    private String[] titles= new String[]{"李思佳","刘再融","唐嫣","刘恺威"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        listView = (ListView) findViewById(R.id.lv_main_list);
        //获取数据


        //实例化SimpleAdapter
        listView.setAdapter(new MyAdapter());

        //给ListView设置点击事件  //i%titles.length为了要循环数据0-9下标1-10000
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                Toast.makeText(MainActivity.this, "跳转到"+titles[i%titles.length]+"页面",Toast.LENGTH_SHORT).show();
            }
        });
    }

    //OOM OutOfMemory 内存溢出
    class MyAdapter extends BaseAdapter{
        @Override
        public int getCount() {
            return 10000;  //多少条数据
        }

        @Override
        public Object getItem(int i) {
            return titles[i%titles.length]; //titles[i]代表获得titles里面每个值
        }

        @Override
        public long getItemId(int i) {  //下标
            return i;
        }

        @Override
        public View getView(final int i, View view, ViewGroup viewGroup) {

            Log.i("test","i="+i+" "+view);
            //把布局文件转成View
            if(view==null){  //同一时间最多能看到14条数据，有14个null
                view= getLayoutInflater().inflate(R.layout.item_listview,null);
                ItemTag itemTag=new ItemTag();
                itemTag.imageView= (ImageView) view.findViewById
                        (R.id.iv_item_icon);
                itemTag.textView= (TextView) view.findViewById
                        (R.id.tv_item_title);
                itemTag.button= (Button) view.findViewById
                        (R.id.btn_item_download);
                view.setTag(itemTag);
            }
            ItemTag itemtag= (ItemTag) view.getTag();
            //设值
            itemtag.imageView.setImageResource(images[i%titles.length]);
            itemtag.textView.setText(titles[i%titles.length]+i);

            //给按钮设置点击事件
            itemtag.button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    Toast.makeText(MainActivity.this, "正在下载"+titles[i%titles.length],
                            Toast.LENGTH_SHORT).show();
                }
            });
            return view;
        }
    }
}