JobHandler typedef - background_service library

JobHandler typedef

JobHandler = Future<void> Function(ServiceInstance service, Map<String, dynamic>? payload, SqliteConnection db)

Signature for a job handler function.

Job handlers are responsible for executing the actual background task associated with a jobKey.

service: The ServiceInstance for interacting with the background service.
payload: An optional Map<String, dynamic> containing data for the job.
db: The SqliteConnection for the background isolate, provided by BackgroundService after it's set in AppInitializationCallback.

Implementation

typedef JobHandler =
    Future<void> Function(
      ServiceInstance service,
      Map<String, dynamic>? payload,
      SqliteConnection db,
    );