#import <Foundation/Foundation.h>@interface VHSSteps : NSObject
//步数模型
@property(nonatomic,strong) NSDate *date;@property(nonatomic,assign) int record_no;@property(nonatomic, strong) NSString *record_time;@property(nonatomic,assign) int step;//g是一个震动幅度的系数,通过一定的判断条件来判断是否计做一步
@property(nonatomic,assign) double g;@end

   //加速度传感器self.motionManager = [[CMMotionManager alloc] init];// 检查传感器到底在设备上是否可用if (!self.motionManager.accelerometerAvailable) {return;} else {// 更新频率是100Hz//以pull方式获取数据self.motionManager.accelerometerUpdateInterval = 1.0/40;}

 @try{//如果不支持陀螺仪,需要用加速传感器来采集数据if (!self.motionManager.isAccelerometerActive) {//  isAccelerometerAvailable方法用来查看加速度器的状态：是否Active（启动）。// 加速度传感器采集的原始数组if (arrAll == nil) {arrAll = [[NSMutableArray alloc] init];}else {[arrAll removeAllObjects];}/*1.push方式这种方式，是实时获取到Accelerometer的数据，并且用相应的队列来显示。即主动获取加速计的数据。*/NSOperationQueue *queue = [[NSOperationQueue alloc] init];[self.motionManager startAccelerometerUpdatesToQueue:queue withHandler:^(CMAccelerometerData *accelerometerData, NSError *error){if (!self.motionManager.isAccelerometerActive) {return;}//三个方向加速度值double x = accelerometerData.acceleration.x;double y = accelerometerData.acceleration.y;double z = accelerometerData.acceleration.z;//g是一个double值 ,根据它的大小来判断是否计为1步.double g = sqrt(pow(x, 2) + pow(y, 2) + pow(z, 2)) - 1;//将信息保存在步数模型中VHSSteps *stepsAll = [[VHSSteps alloc] init];stepsAll.date = [NSDate date];//日期NSDateFormatter *df = [[NSDateFormatter alloc] init] ;df.dateFormat  = @"yyyy-MM-dd HH:mm:ss";NSString *strYmd = [df stringFromDate:stepsAll.date];df = nil;stepsAll.record_time =strYmd;stepsAll.g = g;// 加速度传感器采集的原始数组
                [arrAll addObject:stepsAll];// 每采集10条，大约1.2秒的数据时，进行分析if (arrAll.count == 10) {// 步数缓存数组NSMutableArray *arrBuffer = [[NSMutableArray alloc] init];arrBuffer = [arrAll copy];[arrAll removeAllObjects];// 踩点数组NSMutableArray *arrCaiDian = [[NSMutableArray alloc] init];//遍历步数缓存数组for (int i = 1; i < arrBuffer.count - 2; i++) {//如果数组个数大于3,继续,否则跳出循环,用连续的三个点,要判断其振幅是否一样,如果一样,然并卵if (![arrBuffer objectAtIndex:i-1] || ![arrBuffer objectAtIndex:i] || ![arrBuffer objectAtIndex:i+1]){continue;}VHSSteps *bufferPrevious = (VHSSteps *)[arrBuffer objectAtIndex:i-1];VHSSteps *bufferCurrent = (VHSSteps *)[arrBuffer objectAtIndex:i];VHSSteps *bufferNext = (VHSSteps *)[arrBuffer objectAtIndex:i+1];//控制震动幅度,,,,,,根据震动幅度让其加入踩点数组,if (bufferCurrent.g < -0.12 && bufferCurrent.g < bufferPrevious.g && bufferCurrent.g < bufferNext.g) {[arrCaiDian addObject:bufferCurrent];}}//如果没有步数数组,初始化if (nil == self.arrSteps) {self.arrSteps = [[NSMutableArray alloc] init];self.arrStepsSave = [[NSMutableArray alloc] init];}// 踩点过滤for (int j = 0; j < arrCaiDian.count; j++) {VHSSteps *caidianCurrent = (VHSSteps *)[arrCaiDian objectAtIndex:j];//如果之前的步数为0,则重新开始记录if (self.arrSteps.count == 0) {//上次记录的时间lastDate = caidianCurrent.date;// 重新开始时，纪录No初始化record_no = 1;record_no_save = 1;// 运动识别号NSTimeInterval interval = [caidianCurrent.date timeIntervalSince1970];NSNumber *numInter = [[NSNumber alloc] initWithDouble:interval*1000];long long llInter = numInter.longLongValue;//运动识别idself.actionId = [NSString stringWithFormat:@"%lld",llInter];self.distance = 0.00f;self.second = 0;self.calorie = 0;self.step = 0;self.gpsDistance = 0.00f;self.agoGpsDistance = 0.00f;self.agoActionDistance = 0.00f;caidianCurrent.record_no = record_no;caidianCurrent.step = self.step;[self.arrSteps addObject:caidianCurrent];[self.arrStepsSave addObject:caidianCurrent];}else {int intervalCaidian = [caidianCurrent.date timeIntervalSinceDate:lastDate] * 1000;// 步行最大每秒2.5步，跑步最大每秒3.5步，超过此范围，数据有可能丢失int min = 259;if (intervalCaidian >= min) {if (self.motionManager.isAccelerometerActive) {//存一下时间lastDate = caidianCurrent.date;if (intervalCaidian >= ACCELERO_START_TIME * 1000) {// 计步器开始计步时间（秒)self.startStep = 0;}if (self.startStep < ACCELERO_START_STEP) {//计步器开始计步步数 (步)
                                        self.startStep ++;break;}else if (self.startStep == ACCELERO_START_STEP) {self.startStep ++;// 计步器开始步数// 运动步数（总计）self.step = self.step + self.startStep;}else {self.step ++;}//步数在这里NSLog(@"步数%d",self.step);int intervalMillSecond = [caidianCurrent.date timeIntervalSinceDate:[[self.arrSteps lastObject] date]] * 1000;if (intervalMillSecond >= 1000) {record_no++;caidianCurrent.record_no = record_no;caidianCurrent.step = self.step;[self.arrSteps addObject:caidianCurrent];}// 每隔100步保存一条数据（将来插入DB用）VHSSteps *arrStepsSaveVHSSteps = (VHSSteps *)[self.arrStepsSave lastObject];int intervalStep = caidianCurrent.step - arrStepsSaveVHSSteps.step;// DB_STEP_INTERVAL 数据库存储步数采集间隔（步） 100步if (self.arrStepsSave.count == 1 || intervalStep >= DB_STEP_INTERVAL) {//保存次数record_no_save++;caidianCurrent.record_no = record_no_save;[self.arrStepsSave addObject:caidianCurrent];// 备份当前运动数据至文件中，以备APP异常退出时数据也不会丢失// [self bkRunningData];
                                        }}}// 运动提醒检查// [self checkActionAlarm];
                        }}}}];}}@catch (NSException * e) {NSLog(@"Exception: %@", e);return;}

    if (!([CMStepCounter isStepCountingAvailable] || [CMMotionActivityManager isActivityAvailable])) {NSString *msg = @"demo只支持iPhone5s以上机型.";UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Opps!"message:msgdelegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil];[alert show];}

  if ([CMStepCounter isStepCountingAvailable]) {self.stepCounter = [[CMStepCounter alloc] init];[self.stepCounter startStepCountingUpdatesToQueue:self.operationQueueupdateOn:1withHandler:^(NSInteger numberOfSteps, NSDate *timestamp, NSError *error) {dispatch_async(dispatch_get_main_queue(), ^{if (error) {UIAlertView *error = [[UIAlertView alloc] initWithTitle:@"Opps!" message:@"error" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];[error show];}else {NSString *text = [NSString stringWithFormat:@"当前步数: %ld", (long)numberOfSteps];//这里是步数weakSelf.stepsLabel.text = text;}});}];
}

// 获取今日步数 __weak ViewController *weakSelf = self;
self.operationQueue = [[NSOperationQueue alloc] init];NSCalendar *calendar = [NSCalendar currentCalendar];
NSDate *now = [NSDate date];
NSDateComponents *components = [calendar components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:now];
// 开始日期
NSDate *startDate = [calendar dateFromComponents:components];
// 结束日期
NSDate *endDate = [calendar dateByAddingUnit:NSCalendarUnitDay value:1 toDate:startDate options:0];if ([CMStepCounter isStepCountingAvailable]) {[self.stepCounter  queryStepCountStartingFrom:startDate to:endDate toQueue:self.operationQueue withHandler:^(NSInteger numberOfSteps, NSError * _Nullable error) {NSLog(@"%ld",numberOfSteps);dispatch_async(dispatch_get_main_queue(), ^{if (error) {UIAlertView *error = [[UIAlertView alloc] initWithTitle:@"Opps!" message:@"error" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];[error show];}else {weakSelf.totalLabel.text = [NSString stringWithFormat:@"今日总步数%ld",numberOfSteps];}});}];
}

  if ([CMMotionActivityManager isActivityAvailable]) {self.activityManager = [[CMMotionActivityManager alloc] init];[self.activityManager startActivityUpdatesToQueue:self.operationQueuewithHandler:^(CMMotionActivity *activity) {dispatch_async(dispatch_get_main_queue(), ^{NSString *status = [weakSelf statusForActivity:activity];NSString *confidence = [weakSelf stringFromConfidence:activity.confidence];weakSelf.statusLabel.text = [NSString stringWithFormat:@"状态: %@", status];weakSelf.confidenceLabel.text = [NSString stringWithFormat:@"速度: %@", confidence];});}];
}

- (NSString *)statusForActivity:(CMMotionActivity *)activity {NSMutableString *status = @"".mutableCopy;if (activity.stationary) {[status appendString:@"not moving"];}if (activity.walking) {if (status.length) [status appendString:@", "];[status appendString:@"on a walking person"];}if (activity.running) {if (status.length) [status appendString:@", "];[status appendString:@"on a running person"];}if (activity.automotive) {if (status.length) [status appendString:@", "];[status appendString:@"in a vehicle"];}if (activity.unknown || !status.length) {[status appendString:@"unknown"];}return status;
}- (NSString *)stringFromConfidence:(CMMotionActivityConfidence)confidence {switch (confidence) {case CMMotionActivityConfidenceLow:return @"Low";case CMMotionActivityConfidenceMedium:return @"Medium";case CMMotionActivityConfidenceHigh:return @"High";default:return nil;}
}

 //查看healthKit在设备上是否可用，ipad不支持HealthKitif(![HKHealthStore isHealthDataAvailable]){NSLog(@"设备不支持healthKit");}

 //创建healthStore实例对象self.healthStore = [[HKHealthStore alloc] init];//设置需要获取的权限这里仅设置了步数HKObjectType *stepCount = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];NSSet *healthSet = [NSSet setWithObjects:stepCount, nil];//从健康应用中获取权限[self.healthStore requestAuthorizationToShareTypes:nil readTypes:healthSet completion:^(BOOL success, NSError * _Nullable error) {if (success){NSDateFormatter *formatter = [[NSDateFormatter alloc ]init];[formatter setDateFormat:@"yyyy-MM-dd"];NSDate *now = [NSDate date];NSString *todaystr = [formatter stringFromDate:now];NSDate *today = [formatter dateFromString:todaystr];NSDate *next = [today dateByAddingTimeInterval:24*60*60];
　　　　　　　//定义需要获取的数据为步数HKQuantityType *quantityType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];

　　　　　　　//设置获取的步数时间间隔NSDateComponents *dateComponents = [[NSDateComponents alloc] init];dateComponents.day = 1;NSPredicate *predicate = [HKQuery predicateForSamplesWithStartDate:today endDate:next options:HKQueryOptionStrictStartDate];//创建查询统计对象collectionQueryHKStatisticsCollectionQuery *collectionQuery = [[HKStatisticsCollectionQuery alloc] initWithQuantityType:quantityType quantitySamplePredicate:predicate options: HKStatisticsOptionCumulativeSum | HKStatisticsOptionSeparateBySource anchorDate:[NSDate dateWithTimeIntervalSince1970:0] intervalComponents:dateComponents];collectionQuery.initialResultsHandler = ^(HKStatisticsCollectionQuery *query, HKStatisticsCollection * __nullable result, NSError * __nullable error) {float numberOfSteps = 0;for (HKStatistics *statistic in result.statistics) {for (HKSource *source in statistic.sources) { //HKSource对象中的name可用于区分健康数据来源if ([source.name isEqualToString:deviceName]) {float steps = [[statistic sumQuantityForSource:source] doubleValueForUnit:[HKUnit countUnit]];numberOfSteps += steps;}  //deviceName是根据接入的设备做的标记,if ([deviceName isEqualToString:@"iPhone"]) {if ([source.name isEqualToString:[UIDevice currentDevice].name]) {float steps = [[statistic sumQuantityForSource:source] doubleValueForUnit:[HKUnit countUnit]];numberOfSteps += steps;}}else if ([deviceName isEqualToString:@"iWatch"] && ![source.name isEqualToString:[UIDevice currentDevice].name]){if ([source.bundleIdentifier hasPrefix:@"com.apple.health"]) {float steps = [[statistic sumQuantityForSource:source] doubleValueForUnit:[HKUnit countUnit]];numberOfSteps += steps;}}else if ([deviceName isEqualToString:@"xiaomi"]){if ([source.name isEqualToString:@"小米运动"] || [source.bundleIdentifier isEqualToString:@"HM.wristband"]) {float steps = [[statistic sumQuantityForSource:source] doubleValueForUnit:[HKUnit countUnit]];numberOfSteps += steps;}}}}NSLog(@"ff = %f",numberOfSteps);//步数看这里就好stepString = [NSString stringWithFormat:@"%.0f",numberOfSteps];//CGFloat distance = [VHSCommon getDistance:numberOfSteps];//int calorie = [VHSCommon getActionCalorie:distance speed:distance * 3600 / 24*60*60];//distanceString = [NSString stringWithFormat:@"%.2f",distance];//calorString = [NSString stringWithFormat:@"%d",calorie];
            };[self.healthStore executeQuery:collectionQuery];}else{NSLog(@"获取步数权限失败");}}];