MainActivity.java

public class MainActivity extends AppCompatActivity {

    CarouselView carouselView;
    int[] sampleImages = {R.drawable.image_1, R.drawable.image_2, R.drawable.image_3, R.drawable.image_4, R.drawable.image_5};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        carouselView = findViewById(R.id.carouselView);
        carouselView.setPageCount(sampleImages.length);
        carouselView.setImageListener(imageListener);

    }

    ImageListener imageListener = new ImageListener() {
        @Override
        public void setImageForPosition(int position, ImageView imageView) {
            imageView.setImageResource(sampleImages[position]);
        }
    };

}