onPause property Null safety

(void Function?()?) onPause

The callback which is called when the stream is paused.

May be set to null, in which case no callback will happen.

Pause related callbacks are not supported on broadcast stream controllers.

Implementation

void Function()? get onPause;
void onPause= (void onPauseHandler())

Implementation

void set onPause(void onPauseHandler()?);