registerBackgroundMessageHandler method

Future<void> registerBackgroundMessageHandler(
  1. BackgroundMessageHandler handler
)

Registers a callback to handle background messages.

For Android this uses isolates and requires a top level function.

Implementation

Future<void> registerBackgroundMessageHandler(
    BackgroundMessageHandler handler) {
  throw UnimplementedError(
      'registerBackgroundMessageHandler() has not been implemented.');
}