private async void ChangePasswordBtn_Clicked(object sender, EventArgs e)
        {
            var changePasswordRequest = new ChangePassword();

            changePasswordRequest.OldPassword = OldPassword?.Text;
            changePasswordRequest.NewPassword = NewPassword?.Text;

            var result = await AccountView.PasswordChangeRequest(changePasswordRequest);

            var output = await result.Content.ReadAsStringAsync();

            if (result.IsSuccessStatusCode)
            {
                await DisplayAlert("Password changed", "User password changed", "Ok");
            }
            else
            {
                try
                {
                    var response = JsonConvert.DeserializeObject <ResultMessage>(output);
                    await DisplayAlert("Error", response.Message, "Ok");
                }
                catch
                {
                    await DisplayAlert("Error", result.StatusCode.ToString(), "Ok");
                }
            }
        }