本文实例为大家分享了android实现点击按钮控制图片切换的具体代码，供大家参考，具体内容如下

代码：

class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) initView() } private fun initView() { val chooseGridFriendBtn: Button = findViewById(R.id.chooseGridFriend) chooseGridFriendBtn.setOnClickListener { chooseGirlFriend() } } // 选女友的方法实现 private fun chooseGirlFriend() { val chooseGirlfriend = ChooseGirlfriend(5) // 只有5张图 val girlFriend = chooseGirlfriend.renderChoose() Toast.makeText(this, "" + girlFriend, Toast.LENGTH_SHORT).show() // 显示对应图片 val girlFriendImageSource = when (girlFriend){ 1 -> R.drawable._0 2 -> R.drawable._1 3 -> R.drawable._2 4 -> R.drawable._3 5 -> R.drawable._4 else -> R.drawable.dice } // 展示选中图片 val girlFriendImageView: ImageView = findViewById(R.id.imageView) girlFriendImageView.setImageResource(girlFriendImageSource) }}/** 女友选择器* 随机数选择 默认1-6* */class ChooseGirlfriend(private val numDice: Int = 6) { fun renderChoose(): Int { return (1..numDice).random() }}<?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" tools:context=".MainActivity"> <ImageView android:id="@+id/imageView" android:layout_width="215dp" android:layout_height="150dp" android:layout_gravity="center" android:layout_marginVertical="20dp" android:contentDescription="@string/dice_image" app:srcCompat="@drawable/dice" /> <Button android:id="@+id/chooseGridFriend" android:layout_width="237dp" android:layout_height="wrap_content" android:layout_gravity="center" android:text="@string/choose_a_girlfriend" /></LinearLayout>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。