public class SampleCarouselViewActivity 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_sample_carousel_view);

        carouselView = (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]);
        }
    };

}

public class SampleCarouselViewActivity extends AppCompatActivity {

    CarouselView customCarouselView;
    int NUMBER_OF_PAGES = 5;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sample_carousel_view);

        customCarouselView = (CarouselView) findViewById(R.id.customCarouselView);
        customCarouselView.setPageCount(NUMBER_OF_PAGES);
        // set ViewListener for custom view 
        customCarouselView.setViewListener(viewListener);
    }

    ViewListener viewListener = new ViewListener() {
    
        @Override
        public View setViewForPosition(int position) {
            View customView = getLayoutInflater().inflate(R.layout.view_custom, null);
            //set view attributes here
            
            return customView;
        }
    };

customCarouselView.setImageClickListener(new ImageClickListener() {
            @Override
            public void onClick(int position) {
                Toast.makeText(SampleCarouselViewActivity.this, "Clicked item: "+ position, Toast.LENGTH_SHORT).show();
            }
        });