public override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
ButtonSearch.TouchUpInside += async(sender, args) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
// iOS 빌트인 애니메이션
await UIView.AnimateAsync(1.0, () => CollectionViewImages.Alpha = 0);
// Shared 코드 호출
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
await UIView.AnimateAsync(1.0, () => CollectionViewImages.Alpha = 1);
ActivityIsLoading.StopAnimating();
ButtonSearch.Enabled = true;
};
SetupCamera();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
//iOS Image Search code
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
//Button Click event to get images
ButtonSearch.TouchUpInside += async(sender, args) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
};
//IOS Keyboard Done Code
var toolbar = new UIToolbar(new CGRect(0.0f, 0.0f, TextFieldQuery.Frame.Size.Width, 44.0f));
toolbar.Items = new[]
{
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
new UIBarButtonItem(UIBarButtonSystemItem.Done, delegate { TextFieldQuery.ResignFirstResponder(); })
};
TextFieldQuery.InputAccessoryView = toolbar;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
ButtonSearch.TouchUpInside += async(sender, args) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
};
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Camera, async delegate
{
await viewModel.TakePhotoAndAnalyzeAsync(false);
});
}
public async void FillImageCells()
{
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(_query);
CollectionViewImages.ReloadData();
ActivityIsLoading.StopAnimating();
}
void SetupCamera()
{
NavigationItem.RightBarButtonItem = new UIBarButtonItem(
UIBarButtonSystemItem.Camera, async delegate
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.TakePhotoAndAnalyzeAsync(false);
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
});
}
public async void ItemSelected(UICollectionView collectionView, NSIndexPath indexPath)
{
ActivityIsLoading.StartAnimating();
string description = await viewModel.GetImageDescription(viewModel.Images[indexPath.Row].ImageLink);
var resultAlert = UIAlertController.Create("Image Analysis", description, UIAlertControllerStyle.Alert);
resultAlert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(resultAlert, true, null);
ActivityIsLoading.StopAnimating();
}
async void HandleButtonSearchTouchUpInside(object sender, EventArgs e)
{
//Dismiss Keyboard
View.EndEditing(true);
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
ButtonSearch.TouchUpInside += async(sender, args) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
CollectionViewImages.AllowsSelection = true;
CollectionViewImages.Delegate = this;
ButtonSearch.TouchUpInside += async(sender, e) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
};
var cameraButton = new UIBarButtonItem(UIBarButtonSystemItem.Camera,
async(sender, e) =>
{
ActivityIsLoading.StartAnimating();
await viewModel.TakePhotAsync();
ActivityIsLoading.StopAnimating();
});
var pickButton = new UIBarButtonItem(UIBarButtonSystemItem.Organize,
async(sender, e) =>
{
ActivityIsLoading.StartAnimating();
await viewModel.TakePhotAsync(false);
ActivityIsLoading.StopAnimating();
});
this.NavigationItem.RightBarButtonItems = new UIBarButtonItem[] { cameraButton, pickButton };
}
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
BeginInvokeOnMainThread(() =>
{
switch (e.PropertyName)
{
case nameof(viewModel.IsBusy):
{
ButtonSearch.Enabled = !viewModel.IsBusy;
if (viewModel.IsBusy)
{
ActivityIsLoading.StartAnimating();
}
else
{
ActivityIsLoading.StopAnimating();
}
}
break;
}
});
}