Android studio ListView应用设计

一、添加ListView控件：

<ListViewandroid:id="@+id/listView"android:layout_width="match_parent"android:layout_height="match_parent"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintTop_toTopOf="parent"tools:layout_editor_absoluteX="1dp" />

二、类文件Country.java：

package com.july.listviewapp;public class Country {private String name;private int icon;public Country(String name,int icon){this.name = name;this.icon = icon;}public String getName(){return name;}public void setName(String name){this.name = name;}public int getI