//Layout

<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView 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">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/parentLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <Button
            android:id="@+id/btn_create_image"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:text="Create image"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/drawingPad"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:orientation="vertical"
            android:paddingTop="32dp"
            android:paddingBottom="32dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/btn_create_image" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.core.widget.NestedScrollView>


//ImageCanvas
public class ImageCanvas extends View {

    private static final String TAG = "ImageCanvas";

    private Bitmap icon;

    public ImageCanvas(Context context) {
        super(context);

        Drawable drawable = ContextCompat.getDrawable(context, R.drawable.main_explore);
        if(drawable != null){
            icon = ((BitmapDrawable) drawable).getBitmap();
        }
        Log.d(TAG, "ImageCanvas: " + icon);
    }

    public ImageCanvas(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
    }

    public ImageCanvas(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }


    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);


        canvas.drawBitmap(icon, 0, 0, null);
    }
}


//Fragment
public class NewsFragment extends Fragment {

    private static final String TAG = "NewsFragment";

    @BindView(R.id.drawingPad)
    ImageView drawingPad;

    private Context context;


    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        context = getContext();

        Log.d(TAG, "onCreate: Creating new News Fragment");
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_news, container, false);
        ButterKnife.bind(this, view);

        return view;
    }

    @OnClick(R.id.btn_create_image)
    void onClickCreateImg() {
        Drawable backgroundDrawable = ContextCompat.getDrawable(context, R.drawable.landscape);

        try {
            Bitmap backgroundBitmap = ((BitmapDrawable) backgroundDrawable).getBitmap();

            int positionLeft = 0;
            int positionTop = 0;
            Bitmap mainBitmap = Bitmap.createBitmap(
                    backgroundBitmap.getWidth(),
                    backgroundBitmap.getHeight(),
                    Bitmap.Config.ARGB_8888
            );
            Canvas canvas = new Canvas(mainBitmap);
            canvas.drawBitmap(backgroundBitmap, positionLeft, positionTop, null);

            drawingPad.setImageBitmap(mainBitmap);
        } catch (Exception e) {
            Log.e(TAG, "onClickCreateImg: Error: ", e);
        }

    }
}