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  • Android-5

    <?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"
        android:orientation="vertical">
    
        <TextView
            android:id="@+id/textView"
            android:layout_width="match_parent"
            android:layout_height="35dp"
            android:background="#CDDC39"
            android:gravity="center"
            android:text="优鲜果园"
            android:textColor="#FF9800"
            android:textSize="25sp" />
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical">
    
            <ListView
                android:id="@+id/fruit_item"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />
        </LinearLayout>
    </LinearLayout>
    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    
        <ImageView
            android:id="@+id/imageView"
            android:layout_width="100dp"
            android:layout_height="100dp"
            app:srcCompat="@mipmap/mango" />
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="100dp"
            android:gravity="left|center_vertical"
            android:orientation="vertical"
            android:scrollbarSize="6dp">
    
            <TextView
                android:id="@+id/textName"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="芒果" />
    
            <TextView
                android:id="@+id/textPrice"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="价格:6元1斤" />
        </LinearLayout>
    
    </LinearLayout>
    package com.example.listview;
    
    
    
    public class Fruit {
        private int imageId;
        private String Name,Price;
        public Fruit(String Name, String Price, int imageId) {
            super();
            this.imageId = imageId;
            this.Name = Name;
            this.Price = Price;
        }
    
        public int getImageId() {
            return imageId;
        }
    
        public void setImageId(int imageId) {
            this.imageId = imageId;
        }
    
        public String getName() {
            return Name;
        }
    
        public void setName(String name) {
            Name = name;
        }
    
        public String getPrice() {
            return Price;
        }
    
        public void setPrice(String price) {
            Price = price;
        }
    
        public Object getItem(int position){
            return position;
        }
    
    }
    package com.example.listview;
    
    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;
    
    import java.util.List;
    
    public class FruitAdapte extends ArrayAdapter {
        int resourceId;
        public FruitAdapte(Context context, int resource, List<Fruit> objects){
            super(context, resource,objects);
            resourceId=resource;
        }
    
        @Override
        public View getView(int position, View convertView, ViewGroup parent){
            //获取当前fruit实例
            Fruit fruit = (Fruit)getItem(position);
            View view = LayoutInflater.from(getContext()).inflate(resourceId,null);
            ImageView iv = (ImageView)view.findViewById(R.id.imageView);
            TextView tv = (TextView)view.findViewById(R.id.textName);
            TextView pv = (TextView)view.findViewById(R.id.textPrice);
            iv.setImageResource(fruit.getImageId());
            tv.setText((CharSequence) fruit.getName());

          
    return view; } }
    package com.example.listview;
    
    import androidx.appcompat.app.AppCompatActivity;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.widget.ListView;
    
    import java.util.ArrayList;
    import java.util.List;
    
    public class MainActivity extends Activity {
        final List<Fruit> fruitList = new ArrayList<Fruit>();
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            initFruits();
            FruitAdapte adapter = new FruitAdapte(this,R.layout.item,fruitList);
            ListView lv = (ListView)findViewById(R.id.fruit_item);
            lv.setAdapter(adapter);
    
        }
    
        public void initFruits(){
            Fruit apple = new Fruit("苹果","5元1斤",R.mipmap.apple);
            fruitList.add(apple);
            Fruit banana = new Fruit("香蕉","6.5元1斤",R.mipmap.banana);
            fruitList.add(banana);
            Fruit grape = new Fruit("葡萄","10元1斤",R.mipmap.grape);
            fruitList.add(grape);
            Fruit kiwi = new Fruit("猕猴桃","12元1斤",R.mipmap.kiwi);
            fruitList.add(kiwi);
            Fruit mango = new Fruit("芒果","6元1斤",R.mipmap.mango);
            fruitList.add(mango);
            Fruit orange = new Fruit("橘子","4.8元1斤",R.mipmap.orange);
            fruitList.add(orange);
    
        }
    }

    pv.setText((CharSequence) fruit.getPrice());

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  • 原文地址:https://www.cnblogs.com/yunlan/p/13776136.html
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