Dart SDK
dart:async
StreamController
<T>
property hasListener
hasListener
class StreamController
Constructors
StreamController
broadcast
Properties
hasListener
isClosed
isPaused
onCancel
onListen
onPause
onResume
sink
stream
done
hashCode
runtimeType
Methods
add
addError
addStream
close
noSuchMethod
toString
Operators
operator ==
bool
hasListener
Whether there is a subscriber on the
Stream
.
Source
bool get hasListener;
property hasListener