Flutter health: ^3.4.4 - getTotalStepsInInterval - flutter

Question

i have problem with package health 3.4.4.
I need use this code a rebuild to other activities like BLOOD_OXYGEN or ACTIVE_ENERGY_BURNED :
This code is ok:
fetchStepBar() async {
int? steps;
int hour = 0;
int minute = 0;
int second = 0;
int millisecond = 0;
int microsecond = 0;
final midnight1 = selectedDate == null
? DateTime(now.year, now.month, now.day)
: DateTime(selectedDate!.year, selectedDate!.month, selectedDate!.day);
final stepstimefetch1 = selectedDate == null
? now
: DateTime(selectedDate!.year, selectedDate!.month, selectedDate!.day,
hour = 23, minute = 59, second = 59);
bool requested = await health.requestAuthorization([HealthDataType.STEPS]);
if (requested) {
try {
steps =
await health.getTotalStepsInInterval(midnight1, stepstimefetch1);
} catch (error) {
print("Caught exception in getTotalStepsInInterval: $error");
}
setState(() {
_nofStepsday = (steps == null) ? 0 : steps;
});
}
}
I see problem in: health.getTotalStepsInInterval
I tried rebuild code in class HealthFactory:
Future<int?> getTotalActive_energy_burnedInInterval(
DateTime startDate,
DateTime endDate,
) async {
final args = <String, dynamic>{
'startDate': startDate.millisecondsSinceEpoch,
'endDate': endDate.millisecondsSinceEpoch
};
final energy = await _channel.invokeMethod<int?>(
'getTotalActive_energy_burnedInInterval',
args,
);
return energy;
}
But!!! The problem I cannot solve is method channel -> 'getTotalActive_energy_burnedInInterval' It didn't works for me. I cannot definite this.
Can anybody help me solve this problem?
Thanks a lot