launchSms method
Implementation
Future<bool> launchSms({String? body}) async {
if (this == null || this!.isEmpty) return false;
final phone = this!.replaceAll(RegExp(r'[^0-9+]'), '');
final uri = body != null
? 'sms:$phone?body=${Uri.encodeComponent(body)}'
: 'sms:$phone';
return _safeLaunch(uri, mode: LaunchMode.platformDefault);
}