addFlutterSdkInitializer function
Registers an initializer function that is called before executing the flutter command to prepare the SDK, such as downloading it.
This is a global function,
Implementation
Removable addFlutterSdkInitializer(FlutterInitializer initializer) {
if (!_sdkInitializers.contains(initializer)) {
_sdkInitializers.add(initializer);
}
return () => _sdkInitializers.remove(initializer);
}