The Essential Xamarin BusyIndicator control includes over 10 built-in animations that can be displayed within your applications. It can be used to indicate busy status during app loading, data processing, etc.
For know more details about BusyIndicator: https://www.syncfusion.com/xamarin-ui-controls/xamarin-busy-indicator
BusyIndicator user guide documentation: https://help.syncfusion.com/xamarin/busy-indicator/getting-started