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比方说,一个应用程序请求授权写脂肪和碳水化合物,以HealthKit:HealthKit无法与多个条目写HKSample如果某些条目类型的由用户不允许
func dataTypesToWrite() -> NSSet {
return NSSet(objects:
HKObjectType.quantityType(forIdentifier: HKQuantityTypeIdentifier.dietaryCarbohydrates)!,
HKObjectType.quantityType(forIdentifier: HKQuantityTypeIdentifier.dietaryFatTotal)!
)
}
healthStore.requestAuthorization(toShare: dataTypesToWrite() as? Set<HKSampleType>, read: nil, completion: { (success, error) -> Void in
if success {
print("completed")
}
})
这将提示用户允许应用程序写入HealthKit。如果用户允许写脂肪和碳水化合物,一切都很好。但是,如果他们只选择允许之一,与脂肪和碳水化合物的HKSample写入HealthKit,该条目将不会显示:
func foodCorrelationForFoodItem(foodNutrients: Dictionary<String, Double>, foodTitle: String) -> HKCorrelation {
let nowDate: Date = Date()
let consumedSamples: Set<HKSample> = [
HKQuantitySample(
type: HKQuantityType.quantityType(forIdentifier: HKQuantityTypeIdentifier.dietaryCarbohydrates)!,
quantity: HKQuantity(unit: HKUnit.gram(), doubleValue: 5.0),
start: nowDate,
end: nowDate),
HKQuantitySample(
type: HKQuantityType.quantityType(forIdentifier: HKQuantityTypeIdentifier.dietaryFatTotal)!,
quantity: HKQuantity(unit: HKUnit.gram(), doubleValue: 10.0),
start: nowDate,
end: nowDate)
]
let foodType: HKCorrelationType = HKCorrelationType.correlationType(forIdentifier: HKCorrelationTypeIdentifier.food)!
let foodCorrelationMetadata: [String: AnyObject] = [HKMetadataKeyFoodType: foodTitle as AnyObject]
let foodCorrelation: HKCorrelation = HKCorrelation(type: foodType, start: nowDate, end: nowDate, objects: consumedSamples, metadata: foodCorrelationMetadata)
return foodCorrelation
}
self.healthStore.save(foodCorrelationForFoodItem) { (success, error) in
if let error = error {
print(error)
}
}
因为苹果不允许应用程序,看看哪些HealthKit项目是可写的,不可能检测到,例如只应写出脂肪。有针对这个的解决方法吗?谢谢。