created new categories for body and fitness identifiers and refactored code to reflect changes

RCTAppleHealthKit.xcodeproj/project.pbxproj

@@ -12,6 +12,8 @@
 		3774C89B1D2095450000B3F3 /* RCTAppleHealthKit+Queries.m in Sources */ = {isa = PBXBuildFile; fileRef = 3774C89A1D2095450000B3F3 /* RCTAppleHealthKit+Queries.m */; };
 		3774C89E1D2095850000B3F3 /* RCTAppleHealthKit+TypesAndPermissions.m in Sources */ = {isa = PBXBuildFile; fileRef = 3774C89D1D2095850000B3F3 /* RCTAppleHealthKit+TypesAndPermissions.m */; };
 		3774C8A11D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.m in Sources */ = {isa = PBXBuildFile; fileRef = 3774C8A01D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.m */; };
+		3774C8D41D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.m in Sources */ = {isa = PBXBuildFile; fileRef = 3774C8D31D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.m */; };
+		3774C8D71D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.m in Sources */ = {isa = PBXBuildFile; fileRef = 3774C8D61D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -37,6 +39,10 @@
 		3774C89D1D2095850000B3F3 /* RCTAppleHealthKit+TypesAndPermissions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "RCTAppleHealthKit+TypesAndPermissions.m"; sourceTree = "<group>"; };
 		3774C89F1D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "RCTAppleHealthKit+Utils.h"; sourceTree = "<group>"; };
 		3774C8A01D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "RCTAppleHealthKit+Utils.m"; sourceTree = "<group>"; };
+		3774C8D21D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "RCTAppleHealthKit+Methods_Body.h"; sourceTree = "<group>"; };
+		3774C8D31D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "RCTAppleHealthKit+Methods_Body.m"; sourceTree = "<group>"; };
+		3774C8D51D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "RCTAppleHealthKit+Methods_Fitness.h"; sourceTree = "<group>"; };
+		3774C8D61D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "RCTAppleHealthKit+Methods_Fitness.m"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -77,6 +83,10 @@
 				3774C89D1D2095850000B3F3 /* RCTAppleHealthKit+TypesAndPermissions.m */,
 				3774C89F1D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.h */,
 				3774C8A01D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.m */,
+				3774C8D21D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.h */,
+				3774C8D31D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.m */,
+				3774C8D51D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.h */,
+				3774C8D61D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.m */,
 			);
 			path = RCTAppleHealthKit;
 			sourceTree = "<group>";
@@ -139,8 +149,10 @@
 			files = (
 				3774C89B1D2095450000B3F3 /* RCTAppleHealthKit+Queries.m in Sources */,
 				3774C8A11D20A6B90000B3F3 /* RCTAppleHealthKit+Utils.m in Sources */,
+				3774C8D41D20C6390000B3F3 /* RCTAppleHealthKit+Methods_Body.m in Sources */,
 				3774C8931D2092F20000B3F3 /* RCTAppleHealthKit.m in Sources */,
 				3774C89E1D2095850000B3F3 /* RCTAppleHealthKit+TypesAndPermissions.m in Sources */,
+				3774C8D71D20C65F0000B3F3 /* RCTAppleHealthKit+Methods_Fitness.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Body.h

+//
+//  RCTAppleHealthKit+Methods_Body.h
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-06-26.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
+
+#import "RCTAppleHealthKit.h"
+
+@interface RCTAppleHealthKit (Methods_Body)
+
+- (void)body_getCurrentWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+- (void)body_saveWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+
+@end

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Body.m

+//
+//  RCTAppleHealthKit+Methods_Body.m
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-06-26.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
+
+#import "RCTAppleHealthKit+Methods_Body.h"
+#import "RCTAppleHealthKit+Queries.h"
+
+@implementation RCTAppleHealthKit (Methods_Body)
+
+- (void)body_getCurrentWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+{
+    // Query to get the user's latest weight, if it exists.
+    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
+
+    [self fetchMostRecentQuantitySampleOfType:weightType predicate:nil completion:^(HKQuantity *mostRecentQuantity, NSError *error) {
+        if (!mostRecentQuantity) {
+            NSLog(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.");
+            callback(@[RCTMakeError(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
+        }
+        else {
+            // Determine the weight in the required unit.
+            HKUnit *weightUnit = [HKUnit poundUnit];
+            double usersWeight = [mostRecentQuantity doubleValueForUnit:weightUnit];
+
+            callback(@[[NSNull null], @(usersWeight)]);
+        }
+    }];
+}
+
+
+
+
+- (void)body_saveWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+{
+    double weight= [[input objectForKey:@"weight"] doubleValue];
+
+    HKUnit *poundUnit = [HKUnit poundUnit];
+    HKQuantity *weightQuantity = [HKQuantity quantityWithUnit:poundUnit doubleValue:weight];
+
+    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
+    NSDate *now = [NSDate date];
+
+    HKQuantitySample *weightSample = [HKQuantitySample quantitySampleWithType:weightType quantity:weightQuantity startDate:now endDate:now];
+
+    [self.healthStore saveObject:weightSample withCompletion:^(BOOL success, NSError *error) {
+        if (!success) {
+            NSLog(@"An error occured saving the weight sample %@. In your app, try to handle this gracefully. The error was: %@.", weightSample, error);
+            callback(@[RCTMakeError(@"An error occured saving the weight sample", nil, nil)]);
+            return;
+            // abort();
+        }
+        callback(@[[NSNull null], @(weight)]);
+    }];
+}
+
+@end

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.h

+//
+//  RCTAppleHealthKit+Methods_Fitness.h
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-06-26.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
+
+#import "RCTAppleHealthKit.h"
+
+@interface RCTAppleHealthKit (Methods_Fitness)
+
+- (void)fitness_getStepCountForToday:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+
+@end

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m

+//
+//  RCTAppleHealthKit+Methods_Fitness.m
+//  RCTAppleHealthKit
+//
+//  Created by Greg Wilson on 2016-06-26.
+//  Copyright © 2016 Greg Wilson. All rights reserved.
+//
+
+#import "RCTAppleHealthKit+Methods_Fitness.h"
+#import "RCTAppleHealthKit+Queries.h"
+
+@implementation RCTAppleHealthKit (Methods_Fitness)
+
+- (void)fitness_getStepCountForToday:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+{
+    HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
+    HKUnit *stepsUnit = [HKUnit countUnit];
+
+    [self fetchSumOfSamplesTodayForType:stepCountType unit:stepsUnit completion:^(double totalSteps, NSError *error) {
+        if (!totalSteps) {
+            NSLog(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.");
+            callback(@[RCTMakeError(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
+            return;
+        }
+
+        callback(@[[NSNull null], @(totalSteps)]);
+    }];
+}
+
+@end

RCTAppleHealthKit/RCTAppleHealthKit+Queries.m

@@ -13,29 +13,26 @@
 
 
 - (void)fetchMostRecentQuantitySampleOfType:(HKQuantityType *)quantityType predicate:(NSPredicate *)predicate completion:(void (^)(HKQuantity *, NSError *))completion { NSSortDescriptor *timeSortDescriptor = [[NSSortDescriptor alloc] initWithKey:HKSampleSortIdentifierEndDate ascending:NO];
-    
-    // Since we are interested in retrieving the user's latest sample, we sort the samples in descending order, and set the limit to 1. We are not filtering the data, and so the predicate is set to nil.
+
     HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:quantityType
-                                                           predicate:predicate
-                                                               limit:1
-                                                     sortDescriptors:@[timeSortDescriptor]
-                                                      resultsHandler:^(HKSampleQuery *query, NSArray *results, NSError *error) {
-                                                          if (!results) {
-                                                              if (completion) {
-                                                                  completion(nil, error);
-                                                              }
-                                                              
-                                                              return;
-                                                          }
-                                                          
+                                                  predicate:predicate
+                                                  limit:1
+                                                  sortDescriptors:@[timeSortDescriptor]
+                                                  resultsHandler:^(HKSampleQuery *query, NSArray *results, NSError *error) {
+                                                      if (!results) {
                                                           if (completion) {
-                                                              // If quantity isn't in the database, return nil in the completion block.
-                                                              HKQuantitySample *quantitySample = results.firstObject;
-                                                              HKQuantity *quantity = quantitySample.quantity;
-                                                              
-                                                              completion(quantity, error);
+                                                              completion(nil, error);
                                                           }
-                                                      }];
+                                                          return;
+                                                      }
+
+                                                      if (completion) {
+                                                          // If quantity isn't in the database, return nil in the completion block.
+                                                          HKQuantitySample *quantitySample = results.firstObject;
+                                                          HKQuantity *quantity = quantitySample.quantity;
+                                                          completion(quantity, error);
+                                                      }
+                                                  }];
 
     [self.healthStore executeQuery:query];
 }
@@ -45,12 +42,14 @@
 - (void)fetchSumOfSamplesTodayForType:(HKQuantityType *)quantityType unit:(HKUnit *)unit completion:(void (^)(double, NSError *))completionHandler {
     NSPredicate *predicate = [RCTAppleHealthKit predicateForSamplesToday];
     
-    HKStatisticsQuery *query = [[HKStatisticsQuery alloc] initWithQuantityType:quantityType quantitySamplePredicate:predicate options:HKStatisticsOptionCumulativeSum completionHandler:^(HKStatisticsQuery *query, HKStatistics *result, NSError *error) {
+    HKStatisticsQuery *query = [[HKStatisticsQuery alloc] initWithQuantityType:quantityType
+                                                          quantitySamplePredicate:predicate
+                                                          options:HKStatisticsOptionCumulativeSum
+                                                          completionHandler:^(HKStatisticsQuery *query, HKStatistics *result, NSError *error) {
         HKQuantity *sum = [result sumQuantity];
         
         if (completionHandler) {
             double value = [sum doubleValueForUnit:unit];
-            
             completionHandler(value, error);
         }
     }];

RCTAppleHealthKit/RCTAppleHealthKit+TypesAndPermissions.m

@@ -80,7 +80,6 @@
     }
     
     return readPermSet;
-    //    return [self dataTypesToRead];
 }
 
 
@@ -99,7 +98,6 @@
     }
     
     return writePermSet;
-    //    return [self dataTypesToWrite];
 }
 
 @end

RCTAppleHealthKit/RCTAppleHealthKit.h

@@ -18,9 +18,9 @@
 
 - (void)isHealthKitAvailable:(RCTResponseSenderBlock)callback;
 - (void)initializeHealthKit:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
-- (void)getHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
-- (void)saveHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
-- (void)getHealthKitUserStepCount:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+//- (void)getHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+//- (void)saveHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+//- (void)getHealthKitUserStepCount:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 - (void)getModuleInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 
 @end

RCTAppleHealthKit/RCTAppleHealthKit.m

@@ -11,6 +11,9 @@
 #import "RCTAppleHealthKit+TypesAndPermissions.h"
 #import "RCTAppleHealthKit+Utils.h"
 
+#import "RCTAppleHealthKit+Methods_Body.h"
+#import "RCTAppleHealthKit+Methods_Fitness.h"
+
 @implementation RCTAppleHealthKit
 
 RCT_EXPORT_MODULE();
@@ -28,17 +31,17 @@ RCT_EXPORT_METHOD(initHealthKit:(NSDictionary *)input callback:(RCTResponseSende
 
 RCT_EXPORT_METHOD(getCurrentWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
 {
-    [self getHealthKitUserWeight:input callback:callback];
+    [self body_getCurrentWeight:input callback:callback];
 }
 
 RCT_EXPORT_METHOD(saveWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
 {
-    [self saveHealthKitUserWeight:input callback:callback];
+    [self body_saveWeight:input callback:callback];
 }
 
 RCT_EXPORT_METHOD(getStepCountForToday:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
 {
-    [self getHealthKitUserStepCount:input callback:callback];
+    [self fitness_getStepCountForToday:input callback:callback];
 }
 
 RCT_EXPORT_METHOD(getInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
@@ -66,7 +69,7 @@ RCT_EXPORT_METHOD(getInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock
         NSSet *writeDataTypes = [self dataTypesToWrite];
         NSSet *readDataTypes = [self dataTypesToRead];
         
-        // get permissions from input object provided by JS options object argument
+        // get permissions from input object provided by JS options argument
         NSDictionary* permissions =[input objectForKey:@"permissions"];
         if(permissions != nil){
             NSArray* readPermsArray = [permissions objectForKey:@"read"];
@@ -94,82 +97,80 @@ RCT_EXPORT_METHOD(getInfo:(NSDictionary *)input callback:(RCTResponseSenderBlock
                     callback(@[[NSNull null], @true]);
                 });
             }
-            
-            
         }];
     } else {
         callback(@[RCTMakeError(@"HealthKit not available....", nil, nil)]);
     }
 }
 
+//
+//- (void)getHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+//{
+////    NSMassFormatter *massFormatter = [[NSMassFormatter alloc] init];
+////    massFormatter.unitStyle = NSFormattingUnitStyleLong;
+//
+//    //    NSMassFormatterUnit weightFormatterUnit = NSMassFormatterUnitPound;
+//    //    NSString *weightUnitString = [massFormatter unitStringFromValue:10 unit:weightFormatterUnit];
+//    //    NSString *localizedWeightUnitDescriptionFormat = NSLocalizedString(@"Weight (%@)", nil);
+//
+//    // Query to get the user's latest weight, if it exists.
+//    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
+//
+//    [self fetchMostRecentQuantitySampleOfType:weightType predicate:nil completion:^(HKQuantity *mostRecentQuantity, NSError *error) {
+//        if (!mostRecentQuantity) {
+//            NSLog(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.");
+//            callback(@[RCTMakeError(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
+//        }
+//        else {
+//            // Determine the weight in the required unit.
+//            HKUnit *weightUnit = [HKUnit poundUnit];
+//            double usersWeight = [mostRecentQuantity doubleValueForUnit:weightUnit];
+//
+//            callback(@[[NSNull null], @(usersWeight)]);
+//        }
+//    }];
+//}
 
-- (void)getHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
-{
-//    NSMassFormatter *massFormatter = [[NSMassFormatter alloc] init];
-//    massFormatter.unitStyle = NSFormattingUnitStyleLong;
-    
-    //    NSMassFormatterUnit weightFormatterUnit = NSMassFormatterUnitPound;
-    //    NSString *weightUnitString = [massFormatter unitStringFromValue:10 unit:weightFormatterUnit];
-    //    NSString *localizedWeightUnitDescriptionFormat = NSLocalizedString(@"Weight (%@)", nil);
-    
-    // Query to get the user's latest weight, if it exists.
-    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
-    
-    [self fetchMostRecentQuantitySampleOfType:weightType predicate:nil completion:^(HKQuantity *mostRecentQuantity, NSError *error) {
-        if (!mostRecentQuantity) {
-            NSLog(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.");
-            callback(@[RCTMakeError(@"Either an error occured fetching the user's weight information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
-        }
-        else {
-            // Determine the weight in the required unit.
-            HKUnit *weightUnit = [HKUnit poundUnit];
-            double usersWeight = [mostRecentQuantity doubleValueForUnit:weightUnit];
-            
-            callback(@[[NSNull null], @(usersWeight)]);
-        }
-    }];
-}
-
-
-- (void)saveHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
-{
-    double weight= [[input objectForKey:@"weight"] doubleValue];
-    
-    HKUnit *poundUnit = [HKUnit poundUnit];
-    HKQuantity *weightQuantity = [HKQuantity quantityWithUnit:poundUnit doubleValue:weight];
-    
-    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
-    NSDate *now = [NSDate date];
-    
-    HKQuantitySample *weightSample = [HKQuantitySample quantitySampleWithType:weightType quantity:weightQuantity startDate:now endDate:now];
-    
-    [self.healthStore saveObject:weightSample withCompletion:^(BOOL success, NSError *error) {
-        if (!success) {
-            NSLog(@"An error occured saving the weight sample %@. In your app, try to handle this gracefully. The error was: %@.", weightSample, error);
-            callback(@[RCTMakeError(@"An error occured saving the weight sample", nil, nil)]);
-            return;
-            // abort();
-        }
-        callback(@[[NSNull null], @(weight)]);
-    }];
-}
-
-
-- (void)getHealthKitUserStepCount:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
-{
-    HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
-    HKUnit *stepsUnit = [HKUnit countUnit];
-    
-    [self fetchSumOfSamplesTodayForType:stepCountType unit:stepsUnit completion:^(double totalSteps, NSError *error) {
-        if (!totalSteps) {
-            NSLog(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.");
-            callback(@[RCTMakeError(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
-            return;
-        }
-        
-        callback(@[[NSNull null], @(totalSteps)]);
-    }];
-}
+//
+//- (void)saveHealthKitUserWeight:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+//{
+//    double weight= [[input objectForKey:@"weight"] doubleValue];
+//
+//    HKUnit *poundUnit = [HKUnit poundUnit];
+//    HKQuantity *weightQuantity = [HKQuantity quantityWithUnit:poundUnit doubleValue:weight];
+//
+//    HKQuantityType *weightType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBodyMass];
+//    NSDate *now = [NSDate date];
+//
+//    HKQuantitySample *weightSample = [HKQuantitySample quantitySampleWithType:weightType quantity:weightQuantity startDate:now endDate:now];
+//
+//    [self.healthStore saveObject:weightSample withCompletion:^(BOOL success, NSError *error) {
+//        if (!success) {
+//            NSLog(@"An error occured saving the weight sample %@. In your app, try to handle this gracefully. The error was: %@.", weightSample, error);
+//            callback(@[RCTMakeError(@"An error occured saving the weight sample", nil, nil)]);
+//            return;
+//            // abort();
+//        }
+//        callback(@[[NSNull null], @(weight)]);
+//    }];
+//}
+
+
+//- (void)getHealthKitUserStepCount:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+//{
+//    HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
+//    HKUnit *stepsUnit = [HKUnit countUnit];
+//
+//    [self fetchSumOfSamplesTodayForType:stepCountType unit:stepsUnit completion:^(double totalSteps, NSError *error) {
+//        if (!totalSteps) {
+//            NSLog(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.");
+//            callback(@[RCTMakeError(@"Either an error occured fetching the user's step count information or none has been stored yet. In your app, try to handle this gracefully.", nil, nil)]);
+//            return;
+//        }
+//
+//        callback(@[[NSNull null], @(totalSteps)]);
+//    }];
+//}