registerBackgroundMessageHandler method

void registerBackgroundMessageHandler(
  1. BackgroundMessageHandler handler
)

Allows delegates to create a background message handler implementation.

For example, on native platforms this could be to setup an isolate, whereas on web a service worker can be registered.

Implementation

void registerBackgroundMessageHandler(BackgroundMessageHandler handler) {
  throw UnimplementedError(
      'registerBackgroundMessageHandler() is not implemented');
}