| NotificationWidgetEvent | The notification widget event class represents an event in the notification database. |
| SmartWatchWidgetImage | The SmartWatchWidgetImage class is used to generate widget bitmap which follows official SmartWatch layout of where e.g. |
| SmartWatchNotificationWidgetImage | The class decorates a widget image with notification specific UI components. |
| BaseWidget | |
| BaseWidget.WidgetBundle | Simple class that encapsulates values to instantiate BaseWidget |
| WidgetExtension | The widget extension handles a widget on an accessory. |
| NotificationWidgetExtension | The widget extension handles a widget on an accessory. |