listen abstract method
Calls callback
with current value, when the value changes.
Implementation
StreamSubscription<T> listen(
void Function(T event) onData, {
Function? onError,
void Function()? onDone,
bool? cancelOnError,
});
Calls callback
with current value, when the value changes.
StreamSubscription<T> listen(
void Function(T event) onData, {
Function? onError,
void Function()? onDone,
bool? cancelOnError,
});