private async void Regbtn_Clicked(object sender, EventArgs e)
        {
            Active.IsRunning = true;
            StringContent user_id      = new StringContent(Settings.LastUsedDriverID.ToString());
            StringContent car_model_id = new StringContent(Settings.CarModelID);
            StringContent lat          = new StringContent(Settings.LastLat);
            StringContent lang         = new StringContent(Settings.LastLng);
            var           content      = new MultipartFormDataContent();

            content.Add(user_id, "user_id");
            content.Add(lat, "lat");
            content.Add(lang, "lang");
            content.Add(car_model_id, "car_model_id");
            content.Add(new StreamContent(ProfilePic.GetStream()), "personal_image", $"{ProfilePic.Path}");
            content.Add(new StreamContent(NationalImg1.GetStream()), "national_id_front", $"{NationalImg1.Path}");
            content.Add(new StreamContent(NationalImg2.GetStream()), "national_id_behind", $"{NationalImg2.Path}");
            content.Add(new StreamContent(DriverLicImg.GetStream()), "driving_license", $"{DriverLicImg.Path}");
            content.Add(new StreamContent(CarLicImg.GetStream()), "car_license", $"{CarLicImg.Path}");
            content.Add(new StreamContent(CarImg.GetStream()), "car_img", $"{CarImg.Path}");
            var httpClient = new HttpClient();

            try
            {
                var httpResponseMessage = await httpClient.PostAsync("http://wassel.alsalil.net/api/driverRegister", content);

                var serverResponse = httpResponseMessage.Content.ReadAsStringAsync().Result.ToString();
                var json           = JsonConvert.DeserializeObject <Response <string, string> >(serverResponse);
                if (json.success == false)
                {
                    Active.IsRunning = false;
                    await DisplayAlert(AppResources.Error, json.message, AppResources.Ok);
                }
                else
                {
                    Active.IsRunning = false;
                    await DisplayAlert(json.message, AppResources.RegisterSuccess, AppResources.Ok);

                    Device.BeginInvokeOnMainThread(() => App.Current.MainPage = new LoginPage());
                }
            }
            catch (Exception)
            {
                Active.IsRunning = false;
                await DisplayAlert(AppResources.ErrorMessage, AppResources.ErrorMessage, AppResources.Ok);
            }
        }
        private async void NationalFront_Clicked(object sender, EventArgs e)
        {
            await CrossMedia.Current.Initialize();

            if (!CrossMedia.Current.IsPickPhotoSupported)
            {
                await DisplayAlert("خطأ", "لم يتم إلتقاط صور", "موافق");

                return;
            }
            NationalImg1 = await CrossMedia.Current.PickPhotoAsync();

            if (NationalImg1 == null)
            {
                return;
            }

            NatFrontImgSource.Source = ImageSource.FromStream(() =>
            {
                return(NationalImg1.GetStream());
            });
        }