public async Task SendEmail()
        {
            Regex matcher = new Regex(@"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b");

            if (matcher.Match(EmailAddress.Text.Trim().ToUpper()).Success)
            {
                using (UserDialogs.Instance.Loading("Sending"))
                {
                    await client.SendQRCode(EmailAddress.Text.Trim(), packageId);
                    await DisplayAlert("Success", "Email was sent", "Ok");
                }

                await Navigation.PopAsync();
            }
            else
            {
                await DisplayAlert("Input Alert", "What was entered was not a valid email address", "Ok");
            }
        }
        public async Task testSendQrCodeWillNotThrowAnyException()
        {
            await clientWithMock.SendQRCode("*****@*****.**", "propertyId");

            Assert.IsTrue(true);
        }