Main Activity of the Roll Dice Game V2 Tutorial on the SSaurel's Channel

MainActivity.java

package com.ssaurel.dicer;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;

import java.util.Random;

public class MainActivity extends AppCompatActivity {

  public static final Random RANDOM = new Random();
  private Button rollDices;
  private ImageView imageView1, imageView2;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    rollDices = (Button) findViewById(R.id.rollDices);
    imageView1 = (ImageView) findViewById(R.id.imageView1);
    imageView2 = (ImageView) findViewById(R.id.imageView2);

    rollDices.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
        final Animation anim1 = AnimationUtils.loadAnimation(MainActivity.this, R.anim.shake);
        final Animation anim2 = AnimationUtils.loadAnimation(MainActivity.this, R.anim.shake);
        final Animation.AnimationListener animationListener = new Animation.AnimationListener() {
          @Override
          public void onAnimationStart(Animation animation) {
          }

          @Override
          public void onAnimationEnd(Animation animation) {
            int value = randomDiceValue();
            int res = getResources().getIdentifier("dice_" + value, "drawable", "com.ssaurel.dicer");

            if (animation == anim1) {
             imageView1.setImageResource(res);
            } else if (animation == anim2) {
              imageView2.setImageResource(res);
            }
          }

          @Override
          public void onAnimationRepeat(Animation animation) {

          }
        };

        anim1.setAnimationListener(animationListener);
        anim2.setAnimationListener(animationListener);

        imageView1.startAnimation(anim1);
        imageView2.startAnimation(anim2);
      }
    });
  }

  public static int randomDiceValue() {
    return RANDOM.nextInt(6) + 1;
  }
}