How to create carousel viewpager2 or infinite loop/endless scroll in android viewpager2

activity_main.xml

<?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">

    <androidx.viewpager2.widget.ViewPager2
        android:id="@+id/view_pager"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

item_view_pager.xml

<?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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/image"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:adjustViewBounds="true"
        app:srcCompat="@drawable/desktop46"
        android:contentDescription="Welcome"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    ViewPager2 viewPager2;
    private Handler headerHandler = new Handler();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
      
        viewPager2 = findViewById(R.id.view_pager);
        viewPager2.setOrientation(ViewPager2.ORIENTATION_HORIZONTAL);

        List<ViewPagerItem> list = new ArrayList<>();
        /* for looping*/
        /*list.add(new ViewPagerItem(R.drawable.desktop50));
        list.add(new ViewPagerItem(R.drawable.desktop52));
        list.add(new ViewPagerItem(R.drawable.desktop75));*/
        
        list.add(new ViewPagerItem(R.drawable.desktop46));
        list.add(new ViewPagerItem(R.drawable.desktop31));
        list.add(new ViewPagerItem(R.drawable.desktop30));
        list.add(new ViewPagerItem(R.drawable.desktop33));
        list.add(new ViewPagerItem(R.drawable.desktop34));
        list.add(new ViewPagerItem(R.drawable.desktop35));
        list.add(new ViewPagerItem(R.drawable.desktop10));
        list.add(new ViewPagerItem(R.drawable.desktop50));
        list.add(new ViewPagerItem(R.drawable.desktop52));
        list.add(new ViewPagerItem(R.drawable.desktop75));
        /*for looping*/
        list.add(new ViewPagerItem(R.drawable.desktop46));
        list.add(new ViewPagerItem(R.drawable.desktop31));
        list.add(new ViewPagerItem(R.drawable.desktop30));
        viewPager2.setAdapter(new ViewPagerAdapter(this, list, viewPager2));
        viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
            @Override
            public void onPageSelected(int position) {
                super.onPageSelected(position);
                headerHandler.removeCallbacks(headerRunnable);
                headerHandler.postDelayed(headerRunnable, 3000); // Slide duration 3 seconds
            }
        });
    }

    private Runnable headerRunnable = new Runnable() {
        @Override
        public void run() {
            viewPager2.setCurrentItem(viewPager2.getCurrentItem() + 1, true);

        }
    };

    @Override
    protected void onPause() {
        super.onPause();
        headerHandler.removeCallbacks(headerRunnable);
    }

    @Override
    protected void onResume() {
        super.onResume();
        headerHandler.postDelayed(headerRunnable, 3000); // Slide duration 3 seconds
    }
}

ViewPagerAdapter.java

public class ViewPagerAdapter extends RecyclerView.Adapter<ViewPagerAdapter.ViewHolder> {
    private List<ViewPagerItem> mData;
    private ViewPager2 viewPager2;

    ViewPagerAdapter(MainActivity mainActivity, List<ViewPagerItem> mData, ViewPager2 viewPager2) {
        this.mData = mData;
        this.viewPager2 = viewPager2;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.item_view_pager, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        holder.setHeader(mData.get(position));
        if (position == mData.size() - 2) {
            viewPager2.post(runnable);
        } /*else if (position == 2) {
            viewPager2.post(runnable2);
        }*/
    }

    @Override
    public int getItemCount() {
        return mData.size();
    }

    static class ViewHolder extends RecyclerView.ViewHolder {
        ImageView imageHeader;

        ViewHolder(@NonNull View itemView) {
            super(itemView);
            imageHeader = itemView.findViewById(R.id.image);
        }

        void setHeader(ViewPagerItem ViewPagerItem) {
            imageHeader.setImageResource(ViewPagerItem.getImage());
        }

    }

    private Runnable runnable = new Runnable() {
        @Override
        public void run() {
            viewPager2.setCurrentItem(0, true);
            //mData.addAll(mData);
            //notifyDataSetChanged();
        }
    };
    
    /*private Runnable runnable2 = new Runnable() {
        @Override
        public void run() {
            viewPager2.setCurrentItem(mData.size() - 3, true);
            //mData.addAll(mData);
            //notifyDataSetChanged();
        }
    };*/
}

ViewPagerItem.java

package com.bcod.viewpagersample2;

public class ViewPagerItem {
    private int image;

    ViewPagerItem(int image) {
        this.image = image;
    }

    public int getImage() {
        return image;
    }
}