Drupal 8: Access view fields based on user role

view_fields_role_access.includes.php

<?php

use Drupal\views\ViewExecutable;

/**
 * Implements hook_views_pre_view().
 */
function my_module_views_pre_view(ViewExecutable $view, $display_id, array &$args) {
	// Control access to specific view fields based on user role.
	if ($view->id() == 'view_machine_name') {
		if (\Drupal::currentUser()->isAnonymous() || !in_array('desired_role_name', \Drupal::currentUser()->getRoles()) {
			$view->removeHandler($display_id, 'field', 'field_machine_name');
		}
  }
}