Callback Handlers

Moca supports both foreground and background callbacks to handle events (such as geofence triggers, beacon detection, or errors).

1. onGeofence(RegionCallback? callback)
   Registers a callback to be invoked on geofence enter and exit events
   Parameters:

   • callback: RegionCallback, optional – A function that takes a String verb ('enter' or 'exit') and a Map (region details).
     Example:
   Dart

   Moca.onGeofence((verb, region) {
     print("Geofence event: " + verb + ", details: " + region.toString());
   });
   

2. onBeacon(RegionCallback? callback)
   Registers a callback to be invoked on beacon events.
   Parameters:

   • callback: RegionCallback, optional – A function that takes a String verb and a Map (beacon details).

3. onRegionGroup(RegionCallback? callback)
   Registers a callback for region group events.
   Parameters:

   • callback: RegionCallback, optional – A function that takes a String verb and a Map (region group details).

4. onError(ErrorCallback? callback)
   Registers a callback to handle errors from the plugin.
   Parameters:

   • callback: ErrorCallback, optional – A function that takes a Map representing an error event.