购物商城

概述<?xmlversion="1.0"encoding="utf-8"?><RelativeLayoutxmlns:android="http://schemas.android.com/apkes/android"android:layout_width="match_parent"android:layout_height="match_parent"

<?xml version="1.0" enCoding="utf-8"?><relativeLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"    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_wIDth="wrap_content"        androID:layout_height="wrap_content"        androID:layout_marginleft="10dp"        androID:layout_toRightOf="@+ID/iv"        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="#FF8F03"/>        <TextVIEw            androID:ID="@+ID/price"            androID:layout_wIDth="wrap_content"            androID:layout_height="wrap_content"            androID:text="1000"            androID:textSize="20sp"            androID:layout_below="@+ID/Title"            androID:layout_toRightOf="@ID/tv_price"            androID:textcolor="#FF8F03"            androID:layout_margintop="10dp"/>    </relativeLayout></relativeLayout>

　　

<?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:paddingBottom="@dimen/activity_vertical_margin"    androID:paddingleft="@dimen/activity_horizontal_margin"    androID:paddingRight="@dimen/activity_horizontal_margin"    androID:paddingtop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextVIEw        androID:layout_wIDth="wrap_content"        androID:layout_height="wrap_content"        androID:text="购物商城"        androID:textSize="18sp"        androID:textcolor="#FFFFFF"        androID:background="#FF8F03"        androID:gravity="center"/>       <ListVIEw        androID:ID="@+ID/lv"        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"/></relativeLayout>

　　

package com.example.ListvIEw;import androID.app.AliasActivity;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 AliasActivity {    private ListVIEw mListvIEw;    private String[] Titles = {"桌子", "苹果", "蛋糕", "秋衣", "猕猴桃", "围巾"};    private String[] prices = {"180元", "10元/kg", "188元", "99元", "10元/kg", "199元"};    private int[] icons = {R.drawable.table, R.drawable.apple, R.drawable.cake, R.drawable.wireclothes, R.drawable.kiwiftuit, R.drawable.scarf};    @OverrIDe    protected voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.activity_main);        mListvIEw = (ListVIEw) findVIEwByID(R.ID.iv);        MyBaseAdapter mAdapter = new MyBaseAdapter();        mListvIEw.setAdapter(mAdapter);    }    class VIEwHolder {        TextVIEw Title, price;        ImageVIEw iv;    }    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) {            VIEwHolder holder = null;            if (convertVIEw == null) {                convertVIEw = VIEw.inflate(MainActivity.this, R.layout.activity_main, null);                holder = new VIEwHolder();                holder.Title = (TextVIEw) convertVIEw.findVIEwByID(R.ID.Title);                holder.price = (TextVIEw) convertVIEw.findVIEwByID(R.ID.price);                holder.iv = (ImageVIEw) convertVIEw.findVIEwByID(R.ID.iv);                convertVIEw.setTag(holder);            } else {                holder = (VIEwHolder) convertVIEw.getTag();            }            holder.Title.setText(Titles[position]);            holder.price.setText(prices[position]);            holder.iv.setBackgroundResource(icons[position]);            return convertVIEw;        }    }}

　　

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