clear method
void
clear()
--this function clear the current runing timer
Implementation
void clear() {
timer.cancel();
_isTimerEnd = true;
Duration delay = listeningDelay ?? defaultDelay;
_updateFormatedTimeString(0, delay, isCountdown);
if (progress0to1Listener != null) {
progress0to1Listener!(0);
}
/// listener `statusListener`
if (statusListener != null) {
statusListener!(AppTimerStatus.ended);
statusListener!(AppTimerStatus.clear);
}
}