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ListView多条目加载

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<pre name="code" class="java">一 javabean对象

package com.wzq.moreitemlistviewdemo;



public class Goods {

 private String name;

 private String price;

 private int resId;

 private int typeId;





 public Goods(String name, String price, Integer typeId) {

 super();

 this.name = name;

 this.price = price;

 this.typeId = typeId;

 }





 public Goods(String name, String price, int resId, Integer typeId) {

 super();

 this.name = name;

 this.price = price;

 this.resId = resId;

 this.typeId = typeId;

 }





 public int getTypeId() {

 return typeId;

 }





 public void setTypeId(int typeId) {

 this.typeId = typeId;

 }





 public String getName() {

 return name;

 }





 public void setName(String name) {

 this.name = name;

 }





 public String getPrice() {

 return price;

 }





 public void setPrice(String price) {

 this.price = price;

 }





 public int getResId() {

 return resId;

 }





 public void setResId(int resId) {

 this.resId = resId;

 }





 @Override

 public String toString() {

 return "Goods [name=" + name + ", price=" + price + ", resId=" + resId

 + "]";

 }







}

</pre> 

 



<pre></pre>

<pre name="code" class="java"><pre name="code" class="java">第二listview和adapter的写法

package com.wzq.moreitemlistviewdemo;



import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;



import com.nostra13.universalimageloader.core.ImageLoader;



import java.util.ArrayList;



import butterknife.BindView;

import butterknife.ButterKnife;



/**

* listview多条目加载,使用项目使用imageloader,butterknife;

*/

public class MainActivity extends AppCompatActivity {

 @BindView(R.id.lv)

 ListView lv;



 private ArrayList<Goods> goodsList;

 String imgUrl = "http://image.tianjimedia.com/uploadImages/2012/067/N80N0GUA36N0.jpg";

 private ImageView img;



 @Override

 protected void onCreate(Bundle savedInstanceState) {

 super.onCreate(savedInstanceState);

 setContentView(R.layout.activity_main);

 //使用butterKnife来注解控件;

 ButterKnife.bind(this);

 initData();



 }



 private void initData() {

 goodsList = new ArrayList<Goods>();

 goodsList.add(new Goods("商品1", "21", 0));

 goodsList.add(new Goods("商品3", "23", 0));

 goodsList.add(new Goods("商品4", "24", R.drawable.hu, 1));

 goodsList.add(new Goods("商品2", "22", R.drawable.hu, 1));

 goodsList.add(new Goods("商品5", "25", 0));

 goodsList.add(new Goods("商品6", "26", R.drawable.hu, 1));

 goodsList.add(new Goods("商品21", "21", 0));

 goodsList.add(new Goods("商品5", "25", 0));

 goodsList.add(new Goods("商品22", "22", R.drawable.hu, 1));

 goodsList.add(new Goods("商品23", "23", 0));

 goodsList.add(new Goods("商品24", "24", R.drawable.hu, 1));

 goodsList.add(new Goods("商品25", "25", 0));

 goodsList.add(new Goods("商品26", "26", R.drawable.hu, 1));

 goodsList.add(new Goods("商品31", "21", 0));

 goodsList.add(new Goods("商品32", "22", R.drawable.hu, 1));

 goodsList.add(new Goods("商品34", "24", R.drawable.hu, 1));

 goodsList.add(new Goods("商品36", "26", R.drawable.hu, 1));

 goodsList.add(new Goods("商品33", "23", 0));

 goodsList.add(new Goods("商品35", "25", 0));



 //把数据配置给listview

 lv.setAdapter(new MBaseAdapter());

 }



 class MBaseAdapter extends BaseAdapter {



 private final int type1 = 0;

 private final int type2 = 1;



 @Override

 public int getCount() {

 return goodsList.size();

 }



 @Override

 public Object getItem(int i) {

 return goodsList.get(i);

 }



 @Override

 public long getItemId(int i) {

 return i;

 }



 @Override

 public View getView(int i, View convertView, ViewGroup viewGroup) {

 int typeId = goodsList.get(i).getTypeId();

 switch (typeId) {

 case type1:

 Holder1 holder1 = null;

 if (convertView == null) {

 holder1 = new Holder1();

 convertView = View.inflate(MainActivity.this, R.layout.lv_item_1, null);

 holder1.textView1 = convertView.findViewById(R.id.textView1);

 holder1.textView2 = convertView.findViewById(R.id.textView2);

 convertView.setTag(holder1);

 } else {

 holder1 = (Holder1) convertView.getTag();

 }

 holder1.textView1.setText(goodsList.get(i).getName());

 holder1.textView2.setText(goodsList.get(i).getPrice());

 break;

 case type2:

 Holder2 holder2 = null;

 if (convertView == null) {

 holder2 = new Holder2();

 convertView = View.inflate(MainActivity.this, R.layout.lv_item_2, null);

 holder2.textView1 = convertView.findViewById(R.id.textView1);

 holder2.textView2 = convertView.findViewById(R.id.textView2);

 holder2.imageView1 = convertView.findViewById(R.id.imageView1);

 convertView.setTag(holder2);

 } else {

 holder2 = (Holder2) convertView.getTag();

 }

 holder2.textView1.setText(goodsList.get(i).getName());

 holder2.textView2.setText(goodsList.get(i).getPrice());



// holder2.imageView1.setImageResource(R.drawable.hu);

 ImageLoader.getInstance().displayImage(imgUrl, holder2.imageView1);

 break;



 }

 return convertView;

 }



 //返回条目有多少种类型

 @Override

 public int getViewTypeCount() {

 return 2;

 }



 //返回条目的类型

 @Override

 public int getItemViewType(int position) {

 return goodsList.get(position).getTypeId();

 }

 }





 class Holder1 {

 TextView textView1, textView2;

 }



 class Holder2 {

 TextView textView1, textView2;

 ImageView imageView1;

 }



}





</pre> 

 

<pre></pre>

<pre name="code" class="java"></pre><pre name="code" class="java"></pre><pre name="code" class="java"></pre><pre name="code" class="java"></pre><pre name="code" class="java"></pre>



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