Signup.xaml.cs

using Plugin.Media;
using Plugin.Media.Abstractions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UEngage.Models;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace UEngage
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class Signup : ContentPage
    {
        public string imageLocation = "";
        public Signup()
        {
            InitializeComponent();



        }

        private async void btnsignup_Clicked(object sender, EventArgs e)
        {


            if (txtpassword.Text != txtConfirm.Text)
            {
                DisplayAlert("", "Password does not match with confirm password", "Ok");
                return;
            }


            if(string.IsNullOrEmpty(txtUsername.Text)|| string.IsNullOrEmpty(txtpostal.Text) ||
                string.IsNullOrEmpty(txtpassword.Text) || string.IsNullOrEmpty(txtlastname.Text)||
                string.IsNullOrEmpty(txtfirstname.Text) || string.IsNullOrEmpty(txtConfirm.Text))
            {
                await DisplayAlert("", "Fill all the fields before save", "Ok");
                return;
            }
            else
            {
                User_ user = new User_()
                {
                    Firstname = txtfirstname.Text,
                    Password = txtpassword.Text,
                    Lastname = txtlastname.Text,
                    Postcode = txtpostal.Text,
                    Username = txtUsername.Text,
                    profileimage = imageLocation

                };



                await App.Database.SaveUserAsync(user);

                busyIndi.IsVisible = true;
                await Task.Delay(1000);
                busyIndi.IsVisible = false;
                await  DisplayAlert("", "Signup successful. please proceed with login to continue", "Ok");

                Xamarin.Essentials.Preferences.Set("log", true);
                await Navigation.PopModalAsync();
            }


           
        }

        private void TapGestureRecognizer_Tapped(object sender, EventArgs e)
        {
            _ = TakePhotoAsync();
        }

        async Task TakePhotoAsync()
        {
            await CrossMedia.Current.Initialize();

            if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
            {
                await DisplayAlert("No Camera", ":( No camera available.", "OK");
                return;
            }


            string imagename = DateTime.Now.ToString("ddMMyyyHHmmss") + ".jpg";
            MediaFile file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
            {
                Directory = "SampleImages",
                Name = imagename
            });

            if (file == null)
                return;
            //lblfilelocation.Text = "Image saved Location : " + file.Path;

            imageLocation = file.Path;

            profimage.Source = ImageSource.FromStream(() =>
            {
                var stream = file.GetStream();
                return stream;
            });
        }
    }
}