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我的要求是使用 enableBackgroundDeliveryForType: 方法注册任何一项健康数据，例如步数、体重、心率等，以进行后台交付。然后为要检查的相同 Health 数据创建一个 Observer 查询。

  1. 在这种情况下，如果我的应用程序被用户强行杀死并使用 Health 应用程序更改了 Health 数据。在这个阶段是否可以收到通知到我的应用程序？

  2. 是否必须注册任何后台模式，才能通过 HKObserverQuery 获得健康数据修改通知？

编辑1：

- (void)requestAuthorizationToShareTypes:(NSSet *)typesToShare readTypes:(NSSet *)typesToRead completion:(void (^)(BOOL, NSError *))completion
{
    if ([HKHealthStore isHealthDataAvailable]) {

        [self.healthStore requestAuthorizationToShareTypes:typesToShare readTypes:typesToRead completion:^(BOOL success, NSError *error) {

            if(success)
            {
                self.authorizationSuccess = YES;
                completion(YES, nil);
            }
            else
            {
                [MyUtilities showAlertWithTitle:@"Authorization fail!" message:@"You didn't allow to access Health data."];
                completion(NO, error);
                return;
            }
        }];
    }
    else
    {
        [MyUtilities showAlertWithTitle:@"Sorry!" message:@"Your device does not support Health data."];
        NSDictionary *errorDictionary = @{ NSLocalizedDescriptionKey : @"Your device doesn't support Health Kit."};
        NSError *error = [[NSError alloc] initWithDomain:@"" code:2 userInfo:errorDictionary];
        completion(NO, error);
        return;
    }
}
- (void)authorizeConsumeHealth:(void (^)(BOOL, NSError *))completion
{
    NSSet *readObjectTypes  = [NSSet setWithObjects:
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryCaffeine],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryCalcium],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryChloride],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryIron],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBloodPressureSystolic],
                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBloodPressureDiastolic],                               [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount],
                               nil];

    [self requestAuthorizationToShareTypes:nil readTypes:readObjectTypes completion:^(BOOL success, NSError *error) {
        if(completion)
        {
            completion(success, error);
            [self observeStepCountChanges];
        }

    }];

}

- (void)observeStepCountChanges
{
    HKSampleType *sampleType = [HKSampleType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];

    [self.healthStore enableBackgroundDeliveryForType:sampleType frequency:HKUpdateFrequencyImmediate withCompletion:^(BOOL success, NSError *error) {}];


    HKObserverQuery *query = [[HKObserverQuery alloc] initWithSampleType:sampleType predicate:nil updateHandler:^(HKObserverQuery *query, HKObserverQueryCompletionHandler completionHandler, NSError *error) {
        if(error)
        {

            NSLog(@"Steps count observer completion block. Error: %@", error);
        }
        else
        {
            NSLog(@"Steps count observer completion block");

        }
    }];
    [self.healthStore executeQuery:query];


}

请帮我。谢谢。

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0 回答 0