clearPresetTime method
void
clearPresetTime()
Implementation
void clearPresetTime() {
if (mode == StopWatchMode.countUp) {
_presetTime = _initialPresetTime;
_elapsedTime.add(isRunning ? _getCountUpTime(_presetTime) : _presetTime);
} else if (mode == StopWatchMode.countDown) {
_presetTime = _initialPresetTime;
_elapsedTime
.add(isRunning ? _getCountDownTime(_presetTime) : _presetTime);
} else {
throw Exception('No support mode');
}
}