安卓第六周作业

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.net.Uri;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
private ListView mListView;
private String[] titles={ "桌子","苹果","蛋糕","线衣","猕猴桃","围巾"};
private String[] prices={ "1800元","10元/kg","300元","350元","10元/kg","280元"};
private int[] icons={ R.mipmap.table,R.mipmap.apple,R.mipmap.cake,R.mipmap.wireclothes,R.mipmap.kiwifruit,R.mipmap.scarf};
@SuppressLint("WrongViewCast")
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 MyBaseAdapter extends BaseAdapter{
public int getCount(){
return titles.length;
}

@Override
public Object getItem(int position) {
return titles[position];
}
public long getItemId(int position){
return position;

}
public View getView(int position, View convertView, ViewGroup parent){
View view=View.inflate(MainActivity.this,R.layout.layout2,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;

}
}

}

activity_main.xml
<?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:layout_width="match_parent"
android:layout_height="45dp"
android:text="商城购物"
android:textSize="18sp"
android:textColor="#FFFFFF"
android:background="#FF8F03"
android:gravity="center"
></TextView>
<ListView
android:id="@+id/Iv"
android:layout_width="match_parent"
android:layout_height="wrap_content">

</ListView>

</LinearLayout>

layout2.xml
<?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" ></ImageView>
<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>
<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="#FFEF03"></TextView>
<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"></TextView>
</RelativeLayout>
</RelativeLayout>