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  • 购物商城

    activtiy_main.xml

    <?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"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        >
     
        <TextView
        android:layout_width="wrap_content"
        android:layout_height="45dp"
        android:text="购物商城"
        android:textSize="28dp"
        android:textColor="#ffffff"
        android:background="#ff6f03"
        android:layout_gravity="center"/>
     
        <ListView
            android:id="@+id/lv"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>
    </LinearLayout>

    list_itme.xml

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:padding="16dp"
        >
        <ImageView
            android:id="@+id/iv"
            android:layout_width="120dp"
            android:layout_height="90dp"
            android:layout_centerVertical="true"
            />
        <RelativeLayout
            android:layout_toRightOf="@+id/iv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_centerVertical="true"
            >
     
             <TextView
                android:id="@+id/title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="桌子"
                android:textSize="20sp"
                android:textColor="#000000"/>
     
            <TextView
                android:id="@+id/tv_price"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="价格"
                android:textSize="20sp"
                android:layout_marginTop="10dp"
                android:layout_below="@+id/title"
                android:textColor="#00F00F"/>
     
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/price"
                android:text="1000"
                android:textSize="20sp"
                android:layout_below="@+id/title"
                android:layout_toRightOf="@+id/tv_price"
                android:textColor="#F00003"
                android:layout_marginTop="10dp"
            />
        </RelativeLayout>
     
    </RelativeLayout>

    MainActivtiy.java

    package com.example.listview;
     
    import android.app.Activity;
    import android.os.Bundle;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseAdapter;
    import android.widget.ImageView;
    import android.widget.ListView;
    import android.widget.TextView;
     
    public class MainActivity extends Activity {
        private ListView mListView;
        private String[] titles ={"苹果","香蕉","橘子","水蜜桃"};
        private String[] prices ={"11元","22元","33元","44元"};
        private  int[] icons ={R.drawable.q,R.drawable.w,R.drawable.e,R.drawable.r};
     
        protected void onCreate(Bundle savedInstanceState){
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            mListView = (ListView) findViewById(R.id.lv);
            MyBaseAdapter mAdapter = new MyBaseAdapter();
            mListView.setAdapter(mAdapter);
        }
        class MyBaseAdapter extends BaseAdapter{
     
            @Override
            public int getCount(){
                return titles.length;
            }
     
            @Override
            public Object getItem(int position) {
                return titles[position];
            }
     
            @Override
            public long getItemId(int position) {
                return position;
            }
     
            @Override
            public View getView(int position, View convertView, ViewGroup parent) {
                View view = View.inflate(MainActivity.this,R.layout.list_item,null);
                TextView title =(TextView) view.findViewById(R.id.title);
                TextView price = (TextView) view.findViewById(R.id.price);
                ImageView iv = (ImageView) view.findViewById(R.id.iv);
                title.setText(titles[position]);
                price.setText(prices[position]);
                iv.setBackgroundResource(icons[position]);
                return view;
            }
        }
     
    }
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  • 原文地址:https://www.cnblogs.com/zhangjiatong/p/13799051.html
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