more item ListView demo

//添加联网权限

    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>    

//     activity_main.xml

 <ListView        android:id="@+id/lv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerHorizontal="true"      />

li_item_1.xml

    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="10dp"        android:textSize="24sp"        android:text="TextView" />    <TextView        android:id="@+id/textView2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="10dp"         android:textSize="24sp"        android:text="TextView" />

lv_item_2.xml

    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="10dp"        android:textSize="24sp"        android:text="TextView" />    <TextView        android:id="@+id/textView2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="10dp"         android:textSize="24sp"        android:text="TextView" />    <ImageView        android:id="@+id/imageView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:src="@drawable/ic_launcher" />

//    Bean类      Goods.java

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;}@Overridepublic String toString() {return "Goods [name=" + name + ", price=" + price + ", resId=" + resId+ "]";}}

MApp.java

import android.app.Application;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;public class MApp extends Application {    @Override    public void onCreate() {        super.onCreate();        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(this).build();        ImageLoader.getInstance().init(config);    }}

Mainactivity.java

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;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;    }}