onInit method
override
Called immediately after the widget is allocated in memory. You might use this to initialize something for the controller.
Implementation
@override
void onInit() {
super.onInit();
_stopwatch = Stopwatch();
_ticker = ever(elapsed, (_) {
formattedTime.value =
"${elapsed.value.inMinutes}:${(elapsed.value.inSeconds % 60).toString().padLeft(2, '0')}";
});
updateElapsed();
}