![]() Var previousLocation = touch.PreviousLocationInView(this) Void DrawLine(CGContext context, UITouch touch) The DrawLine methods processes the touch information: UIColor color = UIColor.Blue Creates a Core Graphics image context that draws the lines on the screen by calling DrawLine method.Gets the touch information from the event this will be used to draw the line.Image = UIGraphics.GetImageFromCurrentImageContext() Var context = UIGraphics.GetCurrentContext() UIGraphics.BeginImageContextWithOptions(Bounds.Size, false, 0) Var touch = touches.ToArray().FirstOrDefault() IOS interprets Apple Pencil input as standard touch inputs but with additional properties, to support writing, add code to handle the touch events: public override void TouchesMoved(NSSet touches, UIEvent evt) Set the Name of the image view to signaturePad.To add a new UIImageView outlet to ( filename): Open Main.storyboard and drag an Image View to the design surface: There – now you have a reason to upgrade! Start by creating a Single View App in Visual Studio 2017. While it is possible to use the iOS Simulator to test Apple Pencil input, it’s always best to test on a physical device. After months of contemplation before finally buying an Apple Pencil to go along with the iPad Pro, it turns out it is as magical as they say! This blog post describes how to use Xamarin.iOS and Visual Studio 2017 to build a signature pad app that works with Apple Pencil. ![]()
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