public override void ViewDidLoad() { base.ViewDidLoad(); Title = "Credit Card Validation"; View.BackgroundColor = UIColor.White; var frame = new RectangleF(10, 130, 300, 30); _creditCardTextField = new UITextView(frame); _creditCardTextField.SetAccessibilityId("CreditCardTextField"); _creditCardTextField.Layer.BorderColor = UIColor.Black.CGColor; _creditCardTextField.Layer.BorderWidth = 0.5f; _creditCardTextField.Layer.CornerRadius = 5f; _creditCardTextField.Font = UIFont.SystemFontOfSize(16); _creditCardTextField.TextContainer.MaximumNumberOfLines = 1; _creditCardTextField.KeyboardType = UIKeyboardType.NumberPad; _validateButton = new UIButton(new RectangleF(10, 165, 300, 40)); _validateButton.SetTitle("Validate Credit Card", UIControlState.Normal); _validateButton.SetAccessibilityId("ValidateButton"); _validateButton.SetTitleColor(UIColor.White, UIControlState.Normal); _validateButton.BackgroundColor = UIColor.FromRGB(52, 152, 219); _validateButton.Layer.CornerRadius = 5; _errorMessagesTextField = new UILabel(new RectangleF(10, 210, 300, 40)); _errorMessagesTextField.SetAccessibilityId("ErrorMessagesTextField"); _errorMessagesTextField.Text = String.Empty; _validateButton.TouchUpInside += (object sender, EventArgs e) =>{ _errorMessagesTextField.Text = String.Empty; // perform a simple "required" validation string errMessage; if (!IsCCValid(out errMessage)) { // need to update on the main thread to change the border color InvokeOnMainThread(() =>{ _creditCardTextField.BackgroundColor = UIColor.Yellow; _creditCardTextField.Layer.BorderColor = UIColor.Red.CGColor; _creditCardTextField.Layer.BorderWidth = 3; _creditCardTextField.Layer.CornerRadius = 5; _errorMessagesTextField.Text = errMessage; }); } else { NavigationController.PushViewController(new CreditCardValidationSuccess(), true); } }; View.Add(_creditCardTextField); View.Add(_validateButton); View.Add(_errorMessagesTextField); }
public override void ViewDidLoad() { base.ViewDidLoad(); Title = "Credit Card Validation"; View.BackgroundColor = UIColor.White; var frame = new RectangleF(10, 130, 300, 30); _creditCardTextField = new UITextView(frame); _creditCardTextField.SetAccessibilityId("CreditCardTextField"); _creditCardTextField.Layer.BorderColor = UIColor.Black.CGColor; _creditCardTextField.Layer.BorderWidth = 0.5f; _creditCardTextField.Layer.CornerRadius = 5f; _creditCardTextField.Font = UIFont.SystemFontOfSize(16); _creditCardTextField.TextContainer.MaximumNumberOfLines = 1; _creditCardTextField.KeyboardType = UIKeyboardType.NumberPad; _validateButton = new UIButton(new RectangleF(10, 165, 300, 40)); _validateButton.SetTitle("Validate Credit Card", UIControlState.Normal); _validateButton.SetAccessibilityId("ValidateButton"); _validateButton.SetTitleColor(UIColor.White, UIControlState.Normal); _validateButton.BackgroundColor = UIColor.FromRGB(52, 152, 219); _validateButton.Layer.CornerRadius = 5; _errorMessagesTextField = new UILabel(new RectangleF(10, 210, 300, 40)); _errorMessagesTextField.SetAccessibilityId("ErrorMessagesTextField"); _errorMessagesTextField.Text = String.Empty; _validateButton.TouchUpInside += (object sender, EventArgs e) => { _errorMessagesTextField.Text = String.Empty; // perform a simple "required" validation string errMessage; if (!IsCCValid(out errMessage)) { // need to update on the main thread to change the border color InvokeOnMainThread(() => { _creditCardTextField.BackgroundColor = UIColor.Yellow; _creditCardTextField.Layer.BorderColor = UIColor.Red.CGColor; _creditCardTextField.Layer.BorderWidth = 3; _creditCardTextField.Layer.CornerRadius = 5; _errorMessagesTextField.Text = errMessage; }); } else { NavigationController.PushViewController(new CreditCardValidationSuccess(), true); } }; View.Add(_creditCardTextField); View.Add(_validateButton); View.Add(_errorMessagesTextField); }