环境：Xcode7.3、iPhone6s Plus(iOS 9.3.1)
iOS8以上真机调试
证书需要打开获取健康数据功能
Apple官方Demo
读数据时区分手机自动计算步数和App写入的步数
需要导入 #import
定义显示
@property (nonatomic, weak) IBOutlet UILabel *stepCountUnitLabel;
@property (nonatomic, weak) IBOutlet UILabel *stepCountValueLabel;
使用
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
// Set up an HKHealthStore, asking the user for read/write permissions. The profile view controller is the
// first view controller that's shown to the user, so we'll ask for all of the desired HealthKit permissions now.
// In your own app, you should consider requesting permissions the first time a user wants to interact with
// HealthKit data.
if ([HKHealthStore isHealthDataAvailable]) {
NSSet *writeDataTypes = [self dataTypesToWrite];
NSSet *readDataTypes = [self dataTypesToRead];
[self.healthStore requestAuthorizationToShareTypes:writeDataTypes readTypes:readDataTypes completion:^(BOOL success, NSError *error) {
if (!success) {
NSLog(@"You didn't allow HealthKit to access these read/write data types. In your app, try to handle this error gracefully when a user decides not to provide access. The error was: %@. If you're using a simulator, try it on a device.", error);
return;
}
dispatch_async(dispatch_get_main_queue(), ^{
[self updateStepCountLabel];
});
}];
}
}
#pragma mark - HealthKit Permissions
// Returns the types of data that Fit wishes to write to HealthKit.
// 写入数据
- (NSSet *)dataTypesToWrite
{
HKQuantityType *dietaryCalorieEnergyType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryEnergyConsumed]; // 膳食能量
HKQuantityType *activeEnergyBurnType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierActiveEnergyBurned]; // 活动能量
HKQuantityType *heightType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierHeight]; // 身高
HKQuantityType *weightType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass]; // 体重
HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount]; // 步数
return [NSSet setWithObjects:dietaryCalorieEnergyType, activeEnergyBurnType, heightType, weightType, stepCountType, nil];
}
// Returns the types of data that Fit wishes to read from HealthKit.
// 读取数据
- (NSSet *)dataTypesToRead
{
HKQuantityType *dietaryCalorieEnergyType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDietaryEnergyConsumed]; // 膳食能量
HKQuantityType *activeEnergyBurnType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierActiveEnergyBurned]; // 活动能量
HKQuantityType *heightType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierHeight]; // 身高
HKQuantityType *weightType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass]; // 体重
HKCharacteristicType *birthdayType = [HKObjectType characteristicTypeForIdentifier:HKCharacteristicTypeIdentifierDateOfBirth]; // 出生日期
HKCharacteristicType *biologicalSexType = [HKObjectType characteristicTypeForIdentifier:HKCharacteristicTypeIdentifierBiologicalSex]; // 性别
HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount]; // 步数
return [NSSet setWithObjects:dietaryCalorieEnergyType, activeEnergyBurnType, heightType, weightType, birthdayType, biologicalSexType, stepCountType, nil];
}
读取步数数据
- (void)updateStepCountLabel
{
self.stepCountUnitLabel.text = @"步数 (健康+App步)";
self.stepCountValueLabel.text = @"0";
HKQuantityType *stepCountType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
//NSSortDescriptors用来告诉healthStore怎么样将结果排序。
NSSortDescriptor *start = [NSSortDescriptor sortDescriptorWithKey:HKSampleSortIdentifierStartDate ascending:NO];
NSSortDescriptor *end = [NSSortDescriptor sortDescriptorWithKey:HKSampleSortIdentifierEndDate ascending:NO];
// 当天时间段
NSPredicate *todayPredicate = [self predicateForSamplesToday];
HKSampleQuery *sampleQuery = [[HKSampleQuery alloc] initWithSampleType:stepCountType predicate:todayPredicate limit:HKObjectQueryNoLimit sortDescriptors:@[start, end] resultsHandler:^(HKSampleQuery * _Nonnull query, NSArray<__kindof HKSample *> * _Nullable results, NSError * _Nullable error) {
//打印查询结果
NSLog(@"resultCount = %ld result = %@",results.count,results);
double deviceStepCounts = 0.f;
double appStepCounts = 0.f;
for (HKQuantitySample *result in results) {
HKQuantity *quantity = result.quantity;
HKUnit *stepCount = [HKUnit countUnit];
double count = [quantity doubleValueForUnit:stepCount];
// 实例数据
// "50 count \"Fit\" (1) 2016-07-11 17:43:03 +0800 2016-07-11 17:43:03 +0800",
// "26 count \"你的设备名\" (9.3.1) \"iPhone\" 2016-07-11 15:19:33 +0800 2016-07-11 15:19:41 +0800",
// 26：result.quantity
// count：单位，还有其它kg、m等，不同单位使用不同HKUnit
// \"Fit\"：result.source.name
// (9.3.1)：result.device.softwareVersion，App写入的时候是空的
// \"iPhone\"：result.device.model
// 2016-07-11 15:19:33 +0800：result.startDate
// 2016-07-11 15:19:41 +0800：result.endDate
// 区分手机自动计算步数和App写入的步数
if ([result.source.name isEqualToString:[UIDevice currentDevice].name]) {
// App写入的数据result.device.name为空
if (result.device.name.length > 0) {
deviceStepCounts += count;
}
else {
appStepCounts += count;
}
}
else {
appStepCounts += count;
}
}
dispatch_async(dispatch_get_main_queue(), ^{
NSString *deviceStepCountsString = [NSNumberFormatter localizedStringFromNumber:@(deviceStepCounts) numberStyle:NSNumberFormatterNoStyle];
NSString *stepCountsString = [NSNumberFormatter localizedStringFromNumber:@(appStepCounts) numberStyle:NSNumberFormatterNoStyle];
NSString *totalCountsString = [NSNumberFormatter localizedStringFromNumber:@(deviceStepCounts+appStepCounts) numberStyle:NSNumberFormatterNoStyle];
NSString *text = [NSString stringWithFormat:@"%@+%@=%@", deviceStepCountsString, stepCountsString, totalCountsString];
self.stepCountValueLabel.text = text;
});
}];
//执行查询
[self.healthStore executeQuery:sampleQuery];
}
// 当天时间段
- (NSPredicate *)predicateForSamplesToday
{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDate *now = [NSDate date];
NSDate *startDate = [calendar startOfDayForDate:now];
NSDate *endDate = [calendar dateByAddingUnit:NSCalendarUnitDay value:1 toDate:startDate options:0];
return [HKQuery predicateForSamplesWithStartDate:startDate endDate:endDate options:HKQueryOptionStrictStartDate];
}
写入步数数据
- (void)saveStepCountIntoHealthStore:(double)stepCount
{
// Save the user's step count into HealthKit.
HKUnit *countUnit = [HKUnit countUnit];
HKQuantity *countUnitQuantity = [HKQuantity quantityWithUnit:countUnit doubleValue:stepCount];
HKQuantityType *countUnitType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
NSDate *now = [NSDate date];
HKQuantitySample *stepCountSample = [HKQuantitySample quantitySampleWithType:countUnitType quantity:countUnitQuantity startDate:now endDate:now];
[self.healthStore saveObject:stepCountSample withCompletion:^(BOOL success, NSError *error) {
if (!success) {
NSLog(@"An error occured saving the step count sample %@. In your app, try to handle this gracefully. The error was: %@.", stepCountSample, error);
abort();
}
[self updateStepCountLabel];
}];
}