TimerControllerListenerCondition typedef

TimerControllerListenerCondition = bool Function(TimerValue previous, TimerValue current)

Signature for the listenWhen function which takes the previous value and the current value and is responsible for returning a bool which determines whether or not to call TimerControllerWidgetListener of TimerControllerListener with the current value.

Implementation

typedef TimerControllerListenerCondition = bool Function(
  TimerValue previous,
  TimerValue current,
);