Constants The following constants are available globally. FlutterMethodNotImplemented A constant used with FlutterMethodCallHandler to respond to the call of an unknown method. Declaration Objective-C extern const NSObject *_Nonnull FlutterMethodNotImplemented Show on GitHub FlutterEndOfEventStream A constant used with FlutterEventChannel to indicate end of stream. Declaration Objective-C extern const NSObject *_Nonnull FlutterEndOfEventStream Show on GitHub FlutterSemanticsUpdateNotification The name used for semantic update nofications via NSNotificationCenter. The object passed as the sender is the FlutterViewController associated with the update. Declaration Objective-C extern const NSNotificationName FlutterSemanticsUpdateNotification Show on GitHub © 2019 Flutter. All rights reserved. (Last updated: 2019-04-30) Generated by jazzy ♪♫ v0.9.5, a Realm project.