launchMailUrl method
Implementation
void launchMailUrl(String _url) async {
  var mail = Uri.parse("mailto:$_url");
  if (await launchUrl(mail)) throw 'Could not launch $_url';
}void launchMailUrl(String _url) async {
  var mail = Uri.parse("mailto:$_url");
  if (await launchUrl(mail)) throw 'Could not launch $_url';
}