selfprivacy.org.app/lib/utils/launch_url.dart

import 'package:url_launcher/url_launcher.dart';

void launchURL(final url) async {
  try {
    final Uri uri = Uri.parse(url);
    await launchUrl(
      uri,
      mode: LaunchMode.externalApplication,
    );
  } catch (e) {
    print(e);
  }
}