From 5ce741b6f56af0f02df44f08f4359684d3216122 Mon Sep 17 00:00:00 2001
From: Greg Wilson <gregwilson@outlook.com>
Date: Sat, 9 Jul 2016 16:09:08 -0400
Subject: [PATCH] updated Fitness methods to use standardized objects. updated
 demos to reflect changes

---
 .../RCTAppleHealthKit+Methods_Fitness.h       |   4 +-
 .../RCTAppleHealthKit+Methods_Fitness.m       | 135 +++++++++++-------
 RCTAppleHealthKit/RCTAppleHealthKit+Queries.h |   2 +-
 RCTAppleHealthKit/RCTAppleHealthKit+Queries.m |  18 ++-
 RCTAppleHealthKit/RCTAppleHealthKit.m         |   4 +-
 .../project.pbxproj                           |  24 ++--
 .../StepsDemo/app/components/home/index.js    |   4 +-
 .../ios/StepsDemo.xcodeproj/project.pbxproj   |  24 ++--
 .../AppIcon-1.appiconset/Contents.json        |  62 --------
 .../AppIcon-1.appiconset/steps-1.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-2.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-3.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-4.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-5.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-6.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-7.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps-8.png          | Bin 1021 -> 0 bytes
 .../AppIcon-1.appiconset/steps.png            | Bin 1021 -> 0 bytes
 .../AppIcon.appiconset/Contents.json          |  78 +++++++++-
 .../AppIcon.appiconset/Icon-App-29x29@1x.png  | Bin 0 -> 272 bytes
 .../AppIcon.appiconset/Icon-App-29x29@2x.png  | Bin 0 -> 471 bytes
 .../AppIcon.appiconset/Icon-App-29x29@3x.png  | Bin 0 -> 714 bytes
 .../AppIcon.appiconset/Icon-App-40x40@1x.png  | Bin 0 -> 346 bytes
 .../AppIcon.appiconset/Icon-App-40x40@2x.png  | Bin 0 -> 660 bytes
 .../AppIcon.appiconset/Icon-App-40x40@3x.png  | Bin 0 -> 1052 bytes
 .../AppIcon.appiconset/Icon-App-60x60@1x.png  | Bin 0 -> 465 bytes
 .../AppIcon.appiconset/Icon-App-60x60@2x.png  | Bin 0 -> 1052 bytes
 .../AppIcon.appiconset/Icon-App-60x60@3x.png  | Bin 0 -> 1576 bytes
 .../AppIcon.appiconset/Icon-App-76x76@1x.png  | Bin 0 -> 625 bytes
 .../AppIcon.appiconset/Icon-App-76x76@2x.png  | Bin 0 -> 1412 bytes
 .../AppIcon.appiconset/Icon-App-76x76@3x.png  | Bin 0 -> 1750 bytes
 .../Icon-App-83.5x83.5@2x.png                 | Bin 0 -> 1507 bytes
 32 files changed, 204 insertions(+), 151 deletions(-)
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/Contents.json
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-1.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-2.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-3.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-4.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-5.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-6.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-7.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-8.png
 delete mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-60x60@1x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-76x76@3x.png
 create mode 100644 examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png

diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.h b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.h
index 68096d9..3a859b0 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.h
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.h
@@ -10,10 +10,10 @@
 
 @interface RCTAppleHealthKit (Methods_Fitness)
 
-- (void)fitness_getStepCountForToday:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+//- (void)fitness_getStepCountForToday:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 - (void)fitness_getStepCountOnDay:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 
-- (void)fitness_getDailyStepCounts:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+//- (void)fitness_getDailyStepCounts:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 - (void)fitness_getDailyStepSamples:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 
 - (void)fitness_saveSteps:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m
index 15c6733..f885df4 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m
@@ -12,23 +12,23 @@
 
 @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)]);
-    }];
-}
+//- (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)]);
+//    }];
+//}
 
 
 - (void)fitness_getStepCountOnDay:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
@@ -46,45 +46,52 @@
     [self fetchSumOfSamplesOnDayForType:stepCountType
                                    unit:stepsUnit
                                     day:date
-                             completion:^(double totalSteps, NSError *error) {
-        if (!totalSteps) {
+                             completion:^(double value, NSDate *startDate, NSDate *endDate, NSError *error) {
+        if (!value) {
             NSLog(@"could not fetch step count for day: %@", error);
             callback(@[RCTMakeError(@"could not fetch step count for day", error, nil)]);
             return;
         }
-        callback(@[[NSNull null], @(totalSteps)]);
-    }];
-}
-
 
+         NSDictionary *response = @{
+                 @"value" : @(value),
+                 @"startDate" : [RCTAppleHealthKit buildISO8601StringFromDate:startDate],
+                 @"endDate" : [RCTAppleHealthKit buildISO8601StringFromDate:endDate],
+         };
 
+        callback(@[[NSNull null], response]);
+    }];
+}
 
-- (void)fitness_getDailyStepCounts:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
-{
-    NSDate *startDate = [RCTAppleHealthKit startDateFromOptions:input];
-    NSDate *endDate = [RCTAppleHealthKit endDateFromOptionsDefaultNow:input];
-
-    if(startDate == nil) {
-        callback(@[RCTMakeError(@"could not parse required startDate from options.startDate", nil, nil)]);
-        return;
-    }
 
-    HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
-    HKUnit *stepsUnit = [HKUnit countUnit];
 
-    [self fetchCumulativeSumStatisticsCollection:stepCountType
-                                            unit:stepsUnit
-                                       startDate:startDate
-                                         endDate:endDate
-                                      completion:^(NSArray *arr, NSError *err){
-        if (err != nil) {
-            NSLog(@"error with fetchCumulativeSumStatisticsCollection: %@", err);
-            callback(@[RCTMakeError(@"error with fetchCumulativeSumStatisticsCollection", err, nil)]);
-            return;
-        }
-        callback(@[[NSNull null], arr]);
-    }];
-}
+//
+//- (void)fitness_getDailyStepCounts:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+//{
+//    NSDate *startDate = [RCTAppleHealthKit startDateFromOptions:input];
+//    NSDate *endDate = [RCTAppleHealthKit endDateFromOptionsDefaultNow:input];
+//
+//    if(startDate == nil) {
+//        callback(@[RCTMakeError(@"could not parse required startDate from options.startDate", nil, nil)]);
+//        return;
+//    }
+//
+//    HKQuantityType *stepCountType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierStepCount];
+//    HKUnit *stepsUnit = [HKUnit countUnit];
+//
+//    [self fetchCumulativeSumStatisticsCollection:stepCountType
+//                                            unit:stepsUnit
+//                                       startDate:startDate
+//                                         endDate:endDate
+//                                      completion:^(NSArray *arr, NSError *err){
+//        if (err != nil) {
+//            NSLog(@"error with fetchCumulativeSumStatisticsCollection: %@", err);
+//            callback(@[RCTMakeError(@"error with fetchCumulativeSumStatisticsCollection", err, nil)]);
+//            return;
+//        }
+//        callback(@[[NSNull null], arr]);
+//    }];
+//}
 
 
 
@@ -157,13 +164,21 @@
 
     HKQuantityType *quantityType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDistanceWalkingRunning];
 
-    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double distance, NSError *error) {
+    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double distance, NSDate *startDate, NSDate *endDate, NSError *error) {
         if (!distance) {
             NSLog(@"ERROR getting DistanceWalkingRunning: %@", error);
             callback(@[RCTMakeError(@"ERROR getting DistanceWalkingRunning", error, nil)]);
             return;
         }
-        callback(@[[NSNull null], @(distance)]);
+
+        NSDictionary *response = @{
+                @"value" : @(distance),
+                @"startDate" : [RCTAppleHealthKit buildISO8601StringFromDate:startDate],
+                @"endDate" : [RCTAppleHealthKit buildISO8601StringFromDate:endDate],
+        };
+
+
+        callback(@[[NSNull null], response]);
     }];
 }
 
@@ -175,13 +190,20 @@
 
     HKQuantityType *quantityType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierDistanceCycling];
 
-    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double distance, NSError *error) {
+    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double distance, NSDate *startDate, NSDate *endDate, NSError *error) {
         if (!distance) {
             NSLog(@"ERROR getting DistanceCycling: %@", error);
             callback(@[RCTMakeError(@"ERROR getting DistanceCycling", error, nil)]);
             return;
         }
-        callback(@[[NSNull null], @(distance)]);
+
+        NSDictionary *response = @{
+                @"value" : @(distance),
+                @"startDate" : [RCTAppleHealthKit buildISO8601StringFromDate:startDate],
+                @"endDate" : [RCTAppleHealthKit buildISO8601StringFromDate:endDate],
+        };
+
+        callback(@[[NSNull null], response]);
     }];
 }
 
@@ -193,13 +215,20 @@
 
     HKQuantityType *quantityType = [HKObjectType quantityTypeForIdentifier:HKQuantityTypeIdentifierFlightsClimbed];
 
-    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double count, NSError *error) {
+    [self fetchSumOfSamplesOnDayForType:quantityType unit:unit day:date completion:^(double count, NSDate *startDate, NSDate *endDate, NSError *error) {
         if (!count) {
             NSLog(@"ERROR getting FlightsClimbed: %@", error);
             callback(@[RCTMakeError(@"ERROR getting FlightsClimbed", error, nil), @(count)]);
             return;
         }
-        callback(@[[NSNull null], @(count)]);
+
+        NSDictionary *response = @{
+                @"value" : @(count),
+                @"startDate" : [RCTAppleHealthKit buildISO8601StringFromDate:startDate],
+                @"endDate" : [RCTAppleHealthKit buildISO8601StringFromDate:endDate],
+        };
+
+        callback(@[[NSNull null], response]);
     }];
 }
 
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Queries.h b/RCTAppleHealthKit/RCTAppleHealthKit+Queries.h
index bb7da93..7b91349 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Queries.h
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Queries.h
@@ -12,7 +12,7 @@
 
 - (void)fetchMostRecentQuantitySampleOfType:(HKQuantityType *)quantityType predicate:(NSPredicate *)predicate completion:(void (^)(HKQuantity *mostRecentQuantity, NSDate *startDate, NSDate *endDate, NSError *error))completion;
 - (void)fetchSumOfSamplesTodayForType:(HKQuantityType *)quantityType unit:(HKUnit *)unit completion:(void (^)(double, NSError *))completionHandler;
-- (void)fetchSumOfSamplesOnDayForType:(HKQuantityType *)quantityType unit:(HKUnit *)unit day:(NSDate *)day completion:(void (^)(double, NSError *))completionHandler;
+- (void)fetchSumOfSamplesOnDayForType:(HKQuantityType *)quantityType unit:(HKUnit *)unit day:(NSDate *)day completion:(void (^)(double, NSDate *, NSDate *, NSError *))completionHandler;
 
 - (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
                                           unit:(HKUnit *)unit
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Queries.m b/RCTAppleHealthKit/RCTAppleHealthKit+Queries.m
index 867d5b9..491fe62 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Queries.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Queries.m
@@ -138,10 +138,16 @@
 
 
 
+
+
+
+
+
+
 - (void)fetchSumOfSamplesOnDayForType:(HKQuantityType *)quantityType
                                  unit:(HKUnit *)unit
                                   day:(NSDate *)day
-                           completion:(void (^)(double, NSError *))completionHandler {
+                           completion:(void (^)(double, NSDate *, NSDate *, NSError *))completionHandler {
 
     NSPredicate *predicate = [RCTAppleHealthKit predicateForSamplesOnDay:day];
     HKStatisticsQuery *query = [[HKStatisticsQuery alloc] initWithQuantityType:quantityType
@@ -150,9 +156,11 @@
                                                           completionHandler:^(HKStatisticsQuery *query, HKStatistics *result, NSError *error) {
 
                                                               HKQuantity *sum = [result sumQuantity];
+                                                              NSDate *startDate = result.startDate;
+                                                              NSDate *endDate = result.endDate;
                                                               if (completionHandler) {
                                                                      double value = [sum doubleValueForUnit:unit];
-                                                                     completionHandler(value, error);
+                                                                     completionHandler(value,startDate, endDate, error);
                                                               }
 
                                                           }];
@@ -162,6 +170,12 @@
 
 
 
+
+
+
+
+
+
 - (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
                                           unit:(HKUnit *)unit
                                      startDate:(NSDate *)startDate
diff --git a/RCTAppleHealthKit/RCTAppleHealthKit.m b/RCTAppleHealthKit/RCTAppleHealthKit.m
index 5578806..2105fde 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit.m
@@ -7,9 +7,9 @@
 //
 
 #import "RCTAppleHealthKit.h"
-#import "RCTAppleHealthKit+Queries.h"
+//#import "RCTAppleHealthKit+Queries.h"
 #import "RCTAppleHealthKit+TypesAndPermissions.h"
-#import "RCTAppleHealthKit+Utils.h"
+//#import "RCTAppleHealthKit+Utils.h"
 
 #import "RCTAppleHealthKit+Methods_Body.h"
 #import "RCTAppleHealthKit+Methods_Fitness.h"
diff --git a/examples/BodyMeasurements/ios/BodyMeasurements.xcodeproj/project.pbxproj b/examples/BodyMeasurements/ios/BodyMeasurements.xcodeproj/project.pbxproj
index 4ddcbc9..7e69275 100644
--- a/examples/BodyMeasurements/ios/BodyMeasurements.xcodeproj/project.pbxproj
+++ b/examples/BodyMeasurements/ios/BodyMeasurements.xcodeproj/project.pbxproj
@@ -22,7 +22,7 @@
 		13B07FC11A68108700A75B9A /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB71A68108700A75B9A /* main.m */; };
 		140ED2AC1D01E1AD002B40FF /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
 		146834051AC3E58100842450 /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
-		378DCB661D31876000E83D06 /* libRCTAppleHealthKit.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 378DCB651D31875D00E83D06 /* libRCTAppleHealthKit.a */; };
+		378DCB6D1D318E0C00E83D06 /* libRCTAppleHealthKit.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 378DCB6C1D318E0700E83D06 /* libRCTAppleHealthKit.a */; };
 		37E9B8741D21B52F0090B19B /* HealthKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 37E9B8731D21B52F0090B19B /* HealthKit.framework */; };
 		832341BD1AAA6AB300B99B32 /* libRCTText.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 832341B51AAA6A8300B99B32 /* libRCTText.a */; };
 /* End PBXBuildFile section */
@@ -91,9 +91,9 @@
 			remoteGlobalIDString = 83CBBA2E1A601D0E00E9B192;
 			remoteInfo = React;
 		};
-		378DCB641D31875D00E83D06 /* PBXContainerItemProxy */ = {
+		378DCB6B1D318E0700E83D06 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
-			containerPortal = 378DCB601D31875D00E83D06 /* RCTAppleHealthKit.xcodeproj */;
+			containerPortal = 378DCB671D318E0700E83D06 /* RCTAppleHealthKit.xcodeproj */;
 			proxyType = 2;
 			remoteGlobalIDString = 3774C88D1D2092F20000B3F3;
 			remoteInfo = RCTAppleHealthKit;
@@ -134,7 +134,7 @@
 		13B07FB61A68108700A75B9A /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = Info.plist; path = BodyMeasurements/Info.plist; sourceTree = "<group>"; };
 		13B07FB71A68108700A75B9A /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = main.m; path = BodyMeasurements/main.m; sourceTree = "<group>"; };
 		146833FF1AC3E56700842450 /* React.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = React.xcodeproj; path = "../node_modules/react-native/React/React.xcodeproj"; sourceTree = "<group>"; };
-		378DCB601D31875D00E83D06 /* RCTAppleHealthKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAppleHealthKit.xcodeproj; path = "../node_modules/react-native-apple-healthkit/RCTAppleHealthKit.xcodeproj"; sourceTree = "<group>"; };
+		378DCB671D318E0700E83D06 /* RCTAppleHealthKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAppleHealthKit.xcodeproj; path = "../node_modules/react-native-apple-healthkit/RCTAppleHealthKit.xcodeproj"; sourceTree = "<group>"; };
 		37E9B8731D21B52F0090B19B /* HealthKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = HealthKit.framework; path = System/Library/Frameworks/HealthKit.framework; sourceTree = SDKROOT; };
 		37E9B8751D21B52F0090B19B /* BodyMeasurements.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.xml; name = BodyMeasurements.entitlements; path = BodyMeasurements/BodyMeasurements.entitlements; sourceTree = "<group>"; };
 		78C398B01ACF4ADC00677621 /* RCTLinking.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTLinking.xcodeproj; path = "../node_modules/react-native/Libraries/LinkingIOS/RCTLinking.xcodeproj"; sourceTree = "<group>"; };
@@ -154,7 +154,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				378DCB661D31876000E83D06 /* libRCTAppleHealthKit.a in Frameworks */,
+				378DCB6D1D318E0C00E83D06 /* libRCTAppleHealthKit.a in Frameworks */,
 				146834051AC3E58100842450 /* libReact.a in Frameworks */,
 				00C302E51ABCBA2D00DB3ED1 /* libRCTActionSheet.a in Frameworks */,
 				37E9B8741D21B52F0090B19B /* HealthKit.framework in Frameworks */,
@@ -268,10 +268,10 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		378DCB611D31875D00E83D06 /* Products */ = {
+		378DCB681D318E0700E83D06 /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				378DCB651D31875D00E83D06 /* libRCTAppleHealthKit.a */,
+				378DCB6C1D318E0700E83D06 /* libRCTAppleHealthKit.a */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -287,7 +287,7 @@
 		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
 			isa = PBXGroup;
 			children = (
-				378DCB601D31875D00E83D06 /* RCTAppleHealthKit.xcodeproj */,
+				378DCB671D318E0700E83D06 /* RCTAppleHealthKit.xcodeproj */,
 				146833FF1AC3E56700842450 /* React.xcodeproj */,
 				00C302A71ABCB8CE00DB3ED1 /* RCTActionSheet.xcodeproj */,
 				00C302B51ABCB90400DB3ED1 /* RCTGeolocation.xcodeproj */,
@@ -411,8 +411,8 @@
 					ProjectRef = 00C302A71ABCB8CE00DB3ED1 /* RCTActionSheet.xcodeproj */;
 				},
 				{
-					ProductGroup = 378DCB611D31875D00E83D06 /* Products */;
-					ProjectRef = 378DCB601D31875D00E83D06 /* RCTAppleHealthKit.xcodeproj */;
+					ProductGroup = 378DCB681D318E0700E83D06 /* Products */;
+					ProjectRef = 378DCB671D318E0700E83D06 /* RCTAppleHealthKit.xcodeproj */;
 				},
 				{
 					ProductGroup = 00C302B61ABCB90400DB3ED1 /* Products */;
@@ -516,11 +516,11 @@
 			remoteRef = 146834031AC3E56700842450 /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
-		378DCB651D31875D00E83D06 /* libRCTAppleHealthKit.a */ = {
+		378DCB6C1D318E0700E83D06 /* libRCTAppleHealthKit.a */ = {
 			isa = PBXReferenceProxy;
 			fileType = archive.ar;
 			path = libRCTAppleHealthKit.a;
-			remoteRef = 378DCB641D31875D00E83D06 /* PBXContainerItemProxy */;
+			remoteRef = 378DCB6B1D318E0700E83D06 /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
 		78C398B91ACF4ADC00677621 /* libRCTLinking.a */ = {
diff --git a/examples/StepsDemo/app/components/home/index.js b/examples/StepsDemo/app/components/home/index.js
index ef7c2e9..cbb686c 100644
--- a/examples/StepsDemo/app/components/home/index.js
+++ b/examples/StepsDemo/app/components/home/index.js
@@ -71,11 +71,11 @@ class Home extends Component {
      * @private
      */
     _fetchStepsToday() {
-        AppleHealthKit.getStepCount(null, (err, steps) => {
+        AppleHealthKit.getStepCount(null, (err, res) => {
             if(this._handleHKError(err, 'getStepCount')){
                 return;
             }
-            this.setState({stepsToday: steps});
+            this.setState({stepsToday: res.value});
         });
     }
 
diff --git a/examples/StepsDemo/ios/StepsDemo.xcodeproj/project.pbxproj b/examples/StepsDemo/ios/StepsDemo.xcodeproj/project.pbxproj
index 4fbb732..c9481ba 100644
--- a/examples/StepsDemo/ios/StepsDemo.xcodeproj/project.pbxproj
+++ b/examples/StepsDemo/ios/StepsDemo.xcodeproj/project.pbxproj
@@ -23,7 +23,7 @@
 		140ED2AC1D01E1AD002B40FF /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
 		146834051AC3E58100842450 /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
 		378616B61D257B040027C300 /* HealthKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 378616B51D257B040027C300 /* HealthKit.framework */; };
-		378DCB541D31810500E83D06 /* libRCTAppleHealthKit.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 378DCB531D31810200E83D06 /* libRCTAppleHealthKit.a */; };
+		378DCB741D3190C800E83D06 /* libRCTAppleHealthKit.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 378DCB731D3190C100E83D06 /* libRCTAppleHealthKit.a */; };
 		832341BD1AAA6AB300B99B32 /* libRCTText.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 832341B51AAA6A8300B99B32 /* libRCTText.a */; };
 /* End PBXBuildFile section */
 
@@ -91,9 +91,9 @@
 			remoteGlobalIDString = 83CBBA2E1A601D0E00E9B192;
 			remoteInfo = React;
 		};
-		378DCB521D31810200E83D06 /* PBXContainerItemProxy */ = {
+		378DCB721D3190C100E83D06 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
-			containerPortal = 378DCB4E1D31810200E83D06 /* RCTAppleHealthKit.xcodeproj */;
+			containerPortal = 378DCB6E1D3190C100E83D06 /* RCTAppleHealthKit.xcodeproj */;
 			proxyType = 2;
 			remoteGlobalIDString = 3774C88D1D2092F20000B3F3;
 			remoteInfo = RCTAppleHealthKit;
@@ -136,7 +136,7 @@
 		146833FF1AC3E56700842450 /* React.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = React.xcodeproj; path = "../node_modules/react-native/React/React.xcodeproj"; sourceTree = "<group>"; };
 		378616B51D257B040027C300 /* HealthKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = HealthKit.framework; path = System/Library/Frameworks/HealthKit.framework; sourceTree = SDKROOT; };
 		378616B71D257B040027C300 /* StepsDemo.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.xml; name = StepsDemo.entitlements; path = StepsDemo/StepsDemo.entitlements; sourceTree = "<group>"; };
-		378DCB4E1D31810200E83D06 /* RCTAppleHealthKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAppleHealthKit.xcodeproj; path = "../node_modules/react-native-apple-healthkit/RCTAppleHealthKit.xcodeproj"; sourceTree = "<group>"; };
+		378DCB6E1D3190C100E83D06 /* RCTAppleHealthKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAppleHealthKit.xcodeproj; path = "../node_modules/react-native-apple-healthkit/RCTAppleHealthKit.xcodeproj"; sourceTree = "<group>"; };
 		78C398B01ACF4ADC00677621 /* RCTLinking.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTLinking.xcodeproj; path = "../node_modules/react-native/Libraries/LinkingIOS/RCTLinking.xcodeproj"; sourceTree = "<group>"; };
 		832341B01AAA6A8300B99B32 /* RCTText.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTText.xcodeproj; path = "../node_modules/react-native/Libraries/Text/RCTText.xcodeproj"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -154,7 +154,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				378DCB541D31810500E83D06 /* libRCTAppleHealthKit.a in Frameworks */,
+				378DCB741D3190C800E83D06 /* libRCTAppleHealthKit.a in Frameworks */,
 				146834051AC3E58100842450 /* libReact.a in Frameworks */,
 				00C302E51ABCBA2D00DB3ED1 /* libRCTActionSheet.a in Frameworks */,
 				378616B61D257B040027C300 /* HealthKit.framework in Frameworks */,
@@ -268,10 +268,10 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		378DCB4F1D31810200E83D06 /* Products */ = {
+		378DCB6F1D3190C100E83D06 /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				378DCB531D31810200E83D06 /* libRCTAppleHealthKit.a */,
+				378DCB731D3190C100E83D06 /* libRCTAppleHealthKit.a */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -287,7 +287,7 @@
 		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
 			isa = PBXGroup;
 			children = (
-				378DCB4E1D31810200E83D06 /* RCTAppleHealthKit.xcodeproj */,
+				378DCB6E1D3190C100E83D06 /* RCTAppleHealthKit.xcodeproj */,
 				146833FF1AC3E56700842450 /* React.xcodeproj */,
 				00C302A71ABCB8CE00DB3ED1 /* RCTActionSheet.xcodeproj */,
 				00C302B51ABCB90400DB3ED1 /* RCTGeolocation.xcodeproj */,
@@ -411,8 +411,8 @@
 					ProjectRef = 00C302A71ABCB8CE00DB3ED1 /* RCTActionSheet.xcodeproj */;
 				},
 				{
-					ProductGroup = 378DCB4F1D31810200E83D06 /* Products */;
-					ProjectRef = 378DCB4E1D31810200E83D06 /* RCTAppleHealthKit.xcodeproj */;
+					ProductGroup = 378DCB6F1D3190C100E83D06 /* Products */;
+					ProjectRef = 378DCB6E1D3190C100E83D06 /* RCTAppleHealthKit.xcodeproj */;
 				},
 				{
 					ProductGroup = 00C302B61ABCB90400DB3ED1 /* Products */;
@@ -516,11 +516,11 @@
 			remoteRef = 146834031AC3E56700842450 /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
-		378DCB531D31810200E83D06 /* libRCTAppleHealthKit.a */ = {
+		378DCB731D3190C100E83D06 /* libRCTAppleHealthKit.a */ = {
 			isa = PBXReferenceProxy;
 			fileType = archive.ar;
 			path = libRCTAppleHealthKit.a;
-			remoteRef = 378DCB521D31810200E83D06 /* PBXContainerItemProxy */;
+			remoteRef = 378DCB721D3190C100E83D06 /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
 		78C398B91ACF4ADC00677621 /* libRCTLinking.a */ = {
diff --git a/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/Contents.json b/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/Contents.json
deleted file mode 100644
index a08b283..0000000
--- a/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/Contents.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
-  "images" : [
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "steps-4.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "steps-5.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "steps-6.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "steps-2.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "steps-3.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "57x57",
-      "idiom" : "iphone",
-      "filename" : "steps-7.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "57x57",
-      "idiom" : "iphone",
-      "filename" : "steps-8.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "steps.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "steps-1.png",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
\ No newline at end of file
diff --git a/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-1.png b/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon-1.appiconset/steps-1.png
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diff --git a/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Contents.json b/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Contents.json
index 118c98f..1a9126b 100644
--- a/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Contents.json
+++ b/examples/StepsDemo/ios/StepsDemo/Images.xcassets/AppIcon.appiconset/Contents.json
@@ -1,33 +1,105 @@
 {
   "images" : [
     {
+      "size" : "29x29",
       "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "iphone",
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
       "scale" : "3x"
     },
     {
-      "idiom" : "iphone",
       "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "iphone",
       "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
       "scale" : "3x"
     },
     {
+      "size" : "60x60",
       "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
       "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
       "scale" : "2x"
     },
     {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
       "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
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-- 
2.26.2