### Control name

`ActivityIndicatorView`in Swift, `MSFActivityIndicatorView` in Objective-C: The spinning element.

`HUD` in Swift, `MSFHUD` in Objective-C: The overlay with large spinner and modes.

### Source code

[ActivityIndicatorView](https://github.com/microsoft/fluentui-apple/blob/master/ios/FluentUI/Controls/ActivityIndicatorView.swift)

[HUD](https://github.com/microsoft/fluentui-apple/blob/master/ios/FluentUI/HUD/HUD.swift)

### Sample code

[ActivityIndicatorView demo](https://github.com/microsoft/fluentui-apple/blob/master/ios/FluentUI.Demo/FluentUI.Demo/Demos/ActivityIndicatorViewDemoController.swift)

[HUD demo](https://github.com/microsoft/fluentui-apple/blob/master/ios/FluentUI.Demo/FluentUI.Demo/Demos/HUDDemoController.swift)