watchOS User Interface Controls in Xamarin

The WatchKitCatalog sample demonstrates various watchOS controls. The app's storyboard is shown here (click to zoom):

The programmatic names of all the controls is prefixed with WKInterface (eg. WKInterfaceLabel, WKInterfaceButton).

Control	Description	Screenshot
Label	Use `SetText` and other properties to control the appearance of text in a label control. `NSAttributedString` is also supported. Catalog code
Button	Create and set properties in the storyboard. Ctrl+drag to add an `Action` to implement a handler for when it's clicked. Catalog code
Switch	Use `SetOn` to control the switch state. Catalog code
Slider	Many different styles are possible. Catalog code
Image	Use `myImage.SetImage("MyWatchImage")` to load images on the watch, or `WKInterfaceDevice.CurrentDevice.AddCachedImage` to cache them for repeated use on the watch. Image Control documentation Catalog code
Separator	Use separators to help create attractive watch UIs. Catalog code
Map	The map image is statically displayed on the watch but you can control many aspects of its appearance, including adding pins. Catalog code
Movie & InlineMove	Movies can either open on their own, or inline Catalog code
Group	Use groups to help create attractive watch UIs. Catalog code
Table	A simplified version of tables on iOS. Implement `DidSelectRow` to respond to user selection (or use a segue). Table Control documentation Catalog code
Device	`WKInterfaceDevice.CurrentDevice` includes properties such as `ScreenBounds`, `ScreenScale`, and `PreferredContentSizeCategory`. Catalog code
Menu	Define the force-press menu in the storyboard and implement the actions for each button in the code. Menu Control (Force Touch) documentation Catalog code
Text Input	Use `PresentTextInputController` and the `WKTextInputMode` enumeration. Text Input documentation Catalog code
Digital Crown	The Digital Crown can be used to drive a picker, or it's rotation can be tracked in code. Catalog code
Gestures	There are four types of gesture recognition that can be added to a scene: Tap, Swipe, Pan, and LongPress. Catalog code