/// <summary>
/// Get the image and convert it to a byte[] and set it to the rigth properties.
/// </summary>
private void ProcessingImage(MediaFile file)
{
if (file == null)
{
return;
}
var stream = file.GetStream();
_cachedImage = GetImageStreamAsBytes.Convert(stream);
if (_cachedImage != null)
{
Stream reRead = new MemoryStream(_cachedImage);
if (stream != null)
{
_image = new Image
{
Source = ImageSource.FromStream(() => reRead),
BackgroundColor = Color.Gray,
};
UserImage = _image.Source;
}
}
}
public CreateUserViewModel(INavigationService navigationService, IPageDialogService dialogService)
{
_navigationService = navigationService;
_pageDialogservice = dialogService;
//setting the display size dependet size of the imageview
ImageSectionSize = Xamarin.Forms.DependencyService.Get <IScreenDimensions>().GetScreenHeight() * 0.15;
//set the min and max date
MinDate = DateTime.Today.AddYears(-99);
MaxDate = DateTime.Today.AddYears(-13);
//set the min possible age
Birthday = MaxDate;
//initialize the commands
OnSaveClicked = new DelegateCommand(async() => await Task.Run(() => Save()));
OnImageChooseTapped = new DelegateCommand(async() => await ChooseImageAsync());
OnCancel = new DelegateCommand(() => Cancel());
//set the default user image
_image = new Image {
Source = ImageSource.FromResource("Questonaut.SharedImages.defaultUserImage.png")
};
Assembly assembly = Assembly.GetExecutingAssembly();
Stream file = assembly.GetManifestResourceStream("Questonaut.SharedImages.defaultUserImage.png");
_cachedImage = GetImageStreamAsBytes.Convert(file);
UserImage = _image.Source;
}
/// <summary>
/// Save the selected image to the firestore cloud.
/// </summary>
/// <param name="imageStream"></param>
/// <returns></returns>
private async Task <string> StoreImage(Stream imageStream)
{
//set the authentication token
var options = new FirebaseStorageOptions
{
AuthTokenAsyncFactory = async() => await Xamarin.Forms.DependencyService.Get <IFirebaseAuthenticator>().GetCurrentUser()
};
var storageImage = await new FirebaseStorage("questonaut.appspot.com", options)
.Child("UserImages")
.Child(CurrentUser.Instance.User.Email + ".jpg")
.PutAsync(imageStream);
//set the image localy
CurrentUser.Instance.User.LocalImage = GetImageStreamAsBytes.Convert(imageStream);
return(storageImage);
}
