private async void Login_Clicked(object sender, EventArgs e)
{
string user = usernameEntry.Text;
string pass = passwordEntry.Text;
//Ensure the fields are all filled out.
if (string.IsNullOrEmpty(user) || string.IsNullOrEmpty(pass))
{
await DisplayAlert("Error", "Please complete all fields.", "Ok");
return;
}
//Ensure taking photo is enabled.
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
{
await DisplayAlert("Error", "No camera avaialble!", "Ok");
return;
}
//Take photo.
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
DefaultCamera = Plugin.Media.Abstractions.CameraDevice.Front,
PhotoSize = Plugin.Media.Abstractions.PhotoSize.Medium,
Directory = "User Images",
Name = "userImage"
});
//If no photo is taken, do nothing more.
if (file == null)
{
return;
}
var loginsuccess = await SecureStorageService.IsLoginCorrect(user, pass);
if (!loginsuccess)
{
await DisplayAlert("Failure", "Incorrect login details.", "Ok");
return;
}
//Check with Azure Face API if the face is recognised.
var faceRecognised = await FacialRecognitionService.IsFaceIdentified(user, file.GetStream());
if (faceRecognised) //If recognised
{
await DisplayAlert("Success", "You have logged in.", "Ok");
}
else
{
await DisplayAlert("Failure", "Face not recognised.", "Ok");
}
file.Dispose();
}
private async void Submit_Clicked(object sender, EventArgs e)
{
string user = usernameEntry.Text;
string pass = passwordEntry.Text;
//Ensure the fields are all filled out.
if (string.IsNullOrEmpty(user) || string.IsNullOrEmpty(pass) || !trainingDone.IsChecked)
{
await DisplayAlert("Error", "Please complete all fields.", "Ok");
return;
}
//Store into secure storage.
await SecureStorageService.SaveLogin(user, pass);
//Inform the user that sign up is done and return to login page.
await DisplayAlert("Success", "You have been signed up. Returning you to login page...", "Ok");
await App.Current.MainPage.Navigation.PopAsync();
}
