createHeartRate method
Creates an HKHeartRate object from JSON map data. Extracts and validates required fields for heart rate measurements.
Implementation
@override
HKHeartRate createHeartRate(Map<String, dynamic> data) {
var errMsg = "Error occured when extracting hk heart rate data";
var quantitySample = _createQuantitySample(data, errMsg);
return HKHeartRate(quantitySample);
}