Android實現(xiàn)擲骰子效果

更新時間：2020年05月21日 17:01:23 作者：不能及

這篇文章主要為大家詳細介紹了Android實現(xiàn)擲骰子效果，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了Android實現(xiàn)擲骰子效果的具體代碼，供大家參考，具體內(nèi)容如下

利用handler接受子線程的消息完成骰子點數(shù)的不斷更替

演示

START:開始游戲
STOP:停止游戲
RECOVER:重置色子到初始狀態(tài)

代碼

package com.example.homeworkten;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
 private ImageView imageView1,imageView2,imageView3;
 private Button button1,button2,button3;
 private ImageView[] imageViews;
 private Handler handler;
 //子線程
 private Thread thread;
 //記錄每個色子的點數(shù)
 private int number[];
 //色子的總點數(shù)
 private int count;
 //volatile修飾符用來保證其它線程讀取的總是該變量的最新的值
 public volatile boolean isStop = false;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 number = new int[3];
 imageView1 = findViewById(R.id.imageView1);
 imageView2 = findViewById(R.id.imageView2);
 imageView3 = findViewById(R.id.imageView3);
 button1 = findViewById(R.id.button1);
 button2 = findViewById(R.id.button2);
 button3 = findViewById(R.id.button3);
 imageViews = new ImageView[]{imageView1,imageView2,imageView3};
 button1.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  //判斷線程是否存在
  if (thread != null&&isStop == true){
   isStop = false;
  }
  handler = new Handler(){
   @Override
   public void handleMessage(@NonNull Message msg) {
   super.handleMessage(msg);
   for(int i = 0;i < 3;i++) {
    switch (number[i]) {
    case 1:
     imageViews[i].setImageResource(R.drawable.t1);
     break;
    case 2:
     imageViews[i].setImageResource(R.drawable.t2);
     break;
    case 3:
     imageViews[i].setImageResource(R.drawable.t3);
     break;
    case 4:
     imageViews[i].setImageResource(R.drawable.t4);
     break;
    case 5:
     imageViews[i].setImageResource(R.drawable.t5);
     break;
    case 6:
     imageViews[i].setImageResource(R.drawable.t6);
     break;
    }
   }
   }
  };
  thread = new Thread(new Runnable() {
   @Override
   public void run() {
   while (!isStop) {
    Message message = handler.obtainMessage();
    //總點數(shù)歸零
    count = 0;
    for (int i = 0; i < 3; i++) {
    try {
     Thread.sleep(50);
    } catch (InterruptedException e) {
     e.printStackTrace();
    }
    //生成隨機數(shù)
    int random = (int) (Math.random() * 6 + 1);
    number[i] = random;
    count += random;
    }
    handler.sendMessage(message);
   }
   }
  });
  thread.start();
  }
 });
 //停止擲篩子
 button2.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  if(isStop == false) {
   isStop = true;
   try {
   //當(dāng)子線程執(zhí)行完以后才繼續(xù)執(zhí)行主線程
   thread.join();
   } catch (InterruptedException e) {
   e.printStackTrace();
   }
   //顯示擲出的點數(shù)
   Toast.makeText(MainActivity.this, "你擲的點數(shù)為" + count, Toast.LENGTH_SHORT).show();
  }else {
   Toast.makeText(MainActivity.this, "請點擊開始鍵進行擲色子", Toast.LENGTH_SHORT).show();
  }
  }
 });
 //將色子還原到初始狀態(tài)
 button3.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
  if(isStop == true) {
   for (int i = 0; i < 3; i++) {
   imageViews[i].setImageResource(R.drawable.t1);
   }
  }else {
   Toast.makeText(MainActivity.this, "請先停止游戲，再重新開始", Toast.LENGTH_SHORT).show();
  }
  }
 });
 }
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
 tools:context=".MainActivity">

 <ImageView
 android:id="@+id/imageView1"
 android:layout_width="100dp"
 android:layout_height="80dp"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 app:layout_constraintEnd_toStartOf="@+id/imageView2"
 app:layout_constraintHorizontal_bias="0.482"
 app:layout_constraintStart_toStartOf="parent"
 app:layout_constraintTop_toTopOf="parent"
 app:srcCompat="@drawable/t1" />

 <ImageView
 android:id="@+id/imageView2"
 android:layout_width="100dp"
 android:layout_height="80dp"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 app:layout_constraintEnd_toStartOf="@+id/imageView3"
 app:layout_constraintStart_toEndOf="@+id/imageView1"
 app:layout_constraintTop_toTopOf="parent"
 app:srcCompat="@drawable/t1" />

 <Button
 android:id="@+id/button1"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 android:text="start"
 app:layout_constraintEnd_toStartOf="@+id/button2"
 app:layout_constraintStart_toStartOf="parent"
 app:layout_constraintTop_toBottomOf="@+id/imageView1" />

 <Button
 android:id="@+id/button2"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 android:text="stop"
 app:layout_constraintEnd_toStartOf="@+id/button3"
 app:layout_constraintStart_toEndOf="@+id/button1"
 app:layout_constraintTop_toBottomOf="@+id/imageView2" />

 <Button
 android:id="@+id/button3"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 android:text="recover"
 app:layout_constraintEnd_toEndOf="parent"
 app:layout_constraintStart_toEndOf="@+id/button2"
 app:layout_constraintTop_toBottomOf="@+id/imageView3" />

 <ImageView
 android:id="@+id/imageView3"
 android:layout_width="100dp"
 android:layout_height="80dp"
 android:layout_marginStart="10dp"
 android:layout_marginLeft="10dp"
 android:layout_marginTop="40dp"
 android:layout_marginEnd="10dp"
 android:layout_marginRight="10dp"
 app:layout_constraintEnd_toEndOf="parent"
 app:layout_constraintStart_toEndOf="@+id/imageView2"
 app:layout_constraintTop_toTopOf="parent"
 app:srcCompat="@drawable/t1" />

</androidx.constraintlayout.widget.ConstraintLayout>

以上就是本文的全部內(nèi)容，希望對大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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