[iOS11] Update project settings and fix errors

AsyncDisplayKit.xcodeproj/project.pbxproj

@@ -307,8 +307,8 @@
 		B350625C1B010F070018CF92 /* ASLog.h in Headers */ = {isa = PBXBuildFile; fileRef = 0516FA3B1A15563400B4EBED /* ASLog.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		B350625D1B0111740018CF92 /* Photos.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 051943141A1575670030A7D0 /* Photos.framework */; settings = {ATTRIBUTES = (Weak, ); }; };
 		B350625E1B0111780018CF92 /* AssetsLibrary.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 051943121A1575630030A7D0 /* AssetsLibrary.framework */; settings = {ATTRIBUTES = (Weak, ); }; };
-		BB5FC3D11F9C9389007F191E /* ASTabBarControllerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = BB5FC3D01F9C9389007F191E /* ASTabBarControllerTests.m */; };
 		BB5FC3CE1F9BA689007F191E /* ASNavigationControllerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = BB5FC3CD1F9BA688007F191E /* ASNavigationControllerTests.m */; };
+		BB5FC3D11F9C9389007F191E /* ASTabBarControllerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = BB5FC3D01F9C9389007F191E /* ASTabBarControllerTests.m */; };
 		C78F7E2B1BF7809800CDEAFC /* ASTableNode.h in Headers */ = {isa = PBXBuildFile; fileRef = B0F880581BEAEC7500D17647 /* ASTableNode.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		CC034A091E60BEB400626263 /* ASDisplayNode+Convenience.h in Headers */ = {isa = PBXBuildFile; fileRef = CC034A071E60BEB400626263 /* ASDisplayNode+Convenience.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		CC034A0A1E60BEB400626263 /* ASDisplayNode+Convenience.m in Sources */ = {isa = PBXBuildFile; fileRef = CC034A081E60BEB400626263 /* ASDisplayNode+Convenience.m */; };
@@ -785,8 +785,8 @@
 		B30BF6501C5964B0004FCD53 /* ASLayoutManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASLayoutManager.h; path = TextKit/ASLayoutManager.h; sourceTree = "<group>"; };
 		B30BF6511C5964B0004FCD53 /* ASLayoutManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = ASLayoutManager.m; path = TextKit/ASLayoutManager.m; sourceTree = "<group>"; };
 		B35061DA1B010EDF0018CF92 /* AsyncDisplayKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = AsyncDisplayKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-		BB5FC3D01F9C9389007F191E /* ASTabBarControllerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ASTabBarControllerTests.m; sourceTree = "<group>"; };
 		BB5FC3CD1F9BA688007F191E /* ASNavigationControllerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ASNavigationControllerTests.m; sourceTree = "<group>"; };
+		BB5FC3D01F9C9389007F191E /* ASTabBarControllerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ASTabBarControllerTests.m; sourceTree = "<group>"; };
 		BDC2D162BD55A807C1475DA5 /* Pods-AsyncDisplayKitTests.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-AsyncDisplayKitTests.profile.xcconfig"; path = "Pods/Target Support Files/Pods-AsyncDisplayKitTests/Pods-AsyncDisplayKitTests.profile.xcconfig"; sourceTree = "<group>"; };
 		CC034A071E60BEB400626263 /* ASDisplayNode+Convenience.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "ASDisplayNode+Convenience.h"; sourceTree = "<group>"; };
 		CC034A081E60BEB400626263 /* ASDisplayNode+Convenience.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "ASDisplayNode+Convenience.m"; sourceTree = "<group>"; };
@@ -2069,13 +2069,16 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
 			);
 			name = "[CP] Check Pods Manifest.lock";
 			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-AsyncDisplayKitTests-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 		3B9D88CDF51B429C8409E4B6 /* [CP] Copy Pods Resources */ = {
@@ -2428,14 +2431,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES_ERROR;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES_ERROR;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -2473,14 +2482,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES_ERROR;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES_ERROR;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -2616,14 +2631,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES_ERROR;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES_ERROR;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## master
 * Add your own contributions to the next release on the line below this with your name.
+- [iOS11] Update project settings and fix errors [Eke](https://github.com/Eke)  [#676](https://github.com/TextureGroup/Texture/pull/676)
 - [ASCollectionView] Improve performance and behavior of rotation / bounds changes. [Scott Goodson](https://github.com/appleguy) [#431](https://github.com/TextureGroup/Texture/pull/431)
 - [ASCollectionView] Improve index space translation of Flow Layout Delegate methods. [Scott Goodson](https://github.com/appleguy)
 - [Animated Image] Adds support for animated WebP as well as improves GIF handling. [#605](https://github.com/TextureGroup/Texture/pull/605) [Garrett Moon](https://github.com/garrettmoon)

Source/ASCollectionView.mm

@@ -273,7 +273,7 @@ - (instancetype)_initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionV
   // Experiments done by Instagram show that this option being YES (default)
   // when unused causes a significant hit to scroll performance.
   // https://github.com/Instagram/IGListKit/issues/318
-  if (AS_AT_LEAST_IOS10) {
+  if (AS_AVAILABLE_IOS(10)) {
     super.prefetchingEnabled = NO;
   }
 
@@ -1972,7 +1972,7 @@ - (ASRangeController *)rangeController
 /// The UIKit version of this method is only available on iOS >= 9
 - (NSArray<NSIndexPath *> *)asdk_indexPathsForVisibleSupplementaryElementsOfKind:(NSString *)kind
 {
-  if (NSFoundationVersionNumber >= NSFoundationVersionNumber_iOS_9_0) {
+  if (AS_AVAILABLE_IOS(9)) {
     return [self indexPathsForVisibleSupplementaryElementsOfKind:kind];
   }
 

Source/ASDisplayNode.h

@@ -702,7 +702,7 @@ extern NSInteger const ASDefaultDrawingPriority;
  */
 @property (nonatomic, assign)           UIViewContentMode contentMode;         // default=UIViewContentModeScaleToFill
 @property (nonatomic, copy)             NSString *contentsGravity;             // Use .contentMode in preference when possible.
-@property (nonatomic, assign)           UISemanticContentAttribute semanticContentAttribute; // default=Unspecified
+@property (nonatomic, assign)           UISemanticContentAttribute semanticContentAttribute API_AVAILABLE(ios(9.0), tvos(9.0)); // default=Unspecified
 
 @property (nonatomic, nullable)         CGColorRef shadowColor;                // default=opaque rgb black
 @property (nonatomic, assign)           CGFloat shadowOpacity;                 // default=0.0

Source/ASImageNode+AnimatedImage.mm

@@ -316,7 +316,7 @@ - (void)displayLinkFired:(CADisplayLink *)displayLink
   CFTimeInterval timeBetweenLastFire;
   if (self.lastDisplayLinkFire == 0) {
     timeBetweenLastFire = 0;
-  } else if (AS_AT_LEAST_IOS10){
+  } else if (AS_AVAILABLE_IOS(10)){
     timeBetweenLastFire = displayLink.targetTimestamp - displayLink.timestamp;
   } else {
     timeBetweenLastFire = CACurrentMediaTime() - self.lastDisplayLinkFire;

Source/ASTextNode.mm

@@ -539,7 +539,7 @@ - (id)linkAttributeValueAtPoint:(CGPoint)point
 }
 
 - (id)_linkAttributeValueAtPoint:(CGPoint)point
-                   attributeName:(out NSString **)attributeNameOut
+                   attributeName:(out NSString * __autoreleasing *)attributeNameOut
                            range:(out NSRange *)rangeOut
    inAdditionalTruncationMessage:(out BOOL *)inAdditionalTruncationMessageOut
                  forHighlighting:(BOOL)highlighting

Source/Base/ASLog.h

@@ -119,11 +119,44 @@ ASDISPLAYNODE_EXTERN_C_END
  * The logging macros are not guarded by deployment-target checks like the activity macros are, but they are
  * only available on iOS >= 9 at runtime, so just make them conditional.
  */
-#define as_log_create(subsystem, category)  (AS_AT_LEAST_IOS9 ? os_log_create(subsystem, category) : (os_log_t)0)
-#define as_log_debug(log, format, ...)      (AS_AT_LEAST_IOS9 ? os_log_debug(log, format, ##__VA_ARGS__) : (void)0)
-#define as_log_info(log, format, ...)       (AS_AT_LEAST_IOS9 ? os_log_info(log, format, ##__VA_ARGS__) : (void)0)
-#define as_log_error(log, format, ...)      (AS_AT_LEAST_IOS9 ? os_log_error(log, format, ##__VA_ARGS__) : (void)0)
-#define as_log_fault(log, format, ...)      (AS_AT_LEAST_IOS9 ? os_log_fault(log, format, ##__VA_ARGS__) : (void)0)
+
+#define as_log_create(subsystem, category) ({     \
+os_log_t __val;                                   \
+if (AS_AVAILABLE_IOS(9)) {                        \
+  __val = os_log_create(subsystem, category);     \
+} else {                                          \
+  __val = (os_log_t)0;                            \
+}                                                 \
+__val;                                            \
+})
+
+#define as_log_debug(log, format, ...)            \
+if (AS_AVAILABLE_IOS(9)) {                        \
+  os_log_debug(log, format, ##__VA_ARGS__);       \
+} else {                                          \
+  (void)0;                                        \
+}                                                 \
+
+#define as_log_info(log, format, ...)             \
+if (AS_AVAILABLE_IOS(9)) { \
+  os_log_info(log, format, ##__VA_ARGS__);        \
+} else {                                          \
+  (void)0;                                        \
+}\
+
+#define as_log_error(log, format, ...)            \
+if (AS_AVAILABLE_IOS(9)) {                        \
+  os_log_error(log, format, ##__VA_ARGS__);       \
+} else {                                          \
+  (void)0;                                        \
+}                                                 \
+
+#define as_log_fault(log, format, ...)            \
+if (AS_AVAILABLE_IOS(9)) {                        \
+  os_log_fault(log, format, ##__VA_ARGS__);       \
+} else {                                          \
+  (void)0;                                        \
+}                                                 \
 
 #if ASEnableVerboseLogging
   #define as_log_verbose(log, format, ...)  as_log_debug(log, format, ##__VA_ARGS__)

Source/Details/ASDataController.h

@@ -248,7 +248,7 @@ extern NSString * const ASCollectionInvalidUpdateException;
  * The invalidationBlock is called after flushing the ASMainSerialQueue, which ensures that any in-progress
  * layout calculations have been applied. The block will not be called if data hasn't been loaded.
  */
-- (void)relayoutAllNodesWithInvalidationBlock:(nullable void (^)())invalidationBlock;
+- (void)relayoutAllNodesWithInvalidationBlock:(nullable void (^)(void))invalidationBlock;
 
 /**
  * Re-measures given nodes in the backing store.

Source/Details/ASPINRemoteImageDownloader.m

@@ -359,7 +359,7 @@ - (id)alternateRepresentationWithData:(NSData *)data options:(PINRemoteImageMana
  * If queue is nil, assert and perform now.
  * Otherwise, dispatch async to queue.
  */
-+ (void)_performWithCallbackQueue:(dispatch_queue_t)queue work:(void (^)())work
++ (void)_performWithCallbackQueue:(dispatch_queue_t)queue work:(void (^)(void))work
 {
   if (work == nil) {
     // No need to assert here, really. We aren't expecting any feedback from this method.

Source/Details/ASTraitCollection.m

@@ -48,7 +48,7 @@ ASPrimitiveTraitCollection ASPrimitiveTraitCollectionFromUITraitCollection(UITra
   environmentTraitCollection.horizontalSizeClass = traitCollection.horizontalSizeClass;
   environmentTraitCollection.verticalSizeClass = traitCollection.verticalSizeClass;
   environmentTraitCollection.userInterfaceIdiom = traitCollection.userInterfaceIdiom;
-  if (AS_AT_LEAST_IOS9) {
+  if (AS_AVAILABLE_IOS(9)) {
     environmentTraitCollection.forceTouchCapability = traitCollection.forceTouchCapability;
   }
   return environmentTraitCollection;
@@ -67,17 +67,28 @@ BOOL ASPrimitiveTraitCollectionIsEqualToASPrimitiveTraitCollection(ASPrimitiveTr
 
 // Named so as not to conflict with a hidden Apple function, in case compiler decides not to inline
 ASDISPLAYNODE_INLINE NSString *AS_NSStringFromUIUserInterfaceIdiom(UIUserInterfaceIdiom idiom) {
-  switch (idiom) {
-    case UIUserInterfaceIdiomTV:
-      return @"TV";
-    case UIUserInterfaceIdiomPad:
-      return @"Pad";
-    case UIUserInterfaceIdiomPhone:
-      return @"Phone";
-    case UIUserInterfaceIdiomCarPlay:
-      return @"CarPlay";
-    default:
-      return @"Unspecified";
+  if (AS_AVAILABLE_IOS(9)) {
+    switch (idiom) {
+      case UIUserInterfaceIdiomTV:
+        return @"TV";
+      case UIUserInterfaceIdiomPad:
+        return @"Pad";
+      case UIUserInterfaceIdiomPhone:
+        return @"Phone";
+      case UIUserInterfaceIdiomCarPlay:
+        return @"CarPlay";
+      default:
+        return @"Unspecified";
+    }
+  } else {
+    switch (idiom) {
+      case UIUserInterfaceIdiomPad:
+        return @"Pad";
+      case UIUserInterfaceIdiomPhone:
+        return @"Phone";
+      default:
+        return @"Unspecified";
+    }
   }
 }
 
@@ -167,7 +178,10 @@ + (instancetype)traitCollectionWithASPrimitiveTraitCollection:(ASPrimitiveTraitC
 + (instancetype)traitCollectionWithUITraitCollection:(UITraitCollection *)traitCollection
                                         containerSize:(CGSize)windowSize
 {
-  UIForceTouchCapability forceTouch = AS_AT_LEAST_IOS9 ? traitCollection.forceTouchCapability : UIForceTouchCapabilityUnknown;
+  UIForceTouchCapability forceTouch = UIForceTouchCapabilityUnknown;
+  if(AS_AVAILABLE_IOS(9)) {
+    forceTouch = traitCollection.forceTouchCapability;
+  }
   return [self traitCollectionWithDisplayScale:traitCollection.displayScale
                             userInterfaceIdiom:traitCollection.userInterfaceIdiom
                            horizontalSizeClass:traitCollection.horizontalSizeClass

Source/Details/UIView+ASConvenience.h

@@ -71,7 +71,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign)          CGRect bounds;
 @property (nonatomic, assign)          CGRect frame;   // Only for use with nodes wrapping synchronous views
 @property (nonatomic, assign)          UIViewContentMode contentMode;
-@property (nonatomic, assign)          UISemanticContentAttribute semanticContentAttribute;
+@property (nonatomic, assign)          UISemanticContentAttribute semanticContentAttribute API_AVAILABLE(ios(9.0), tvos(9.0));
 @property (nonatomic, assign, getter=isUserInteractionEnabled) BOOL userInteractionEnabled;
 @property (nonatomic, assign, getter=isExclusiveTouch) BOOL exclusiveTouch;
 @property (nonatomic, assign, getter=asyncdisplaykit_isAsyncTransactionContainer, setter = asyncdisplaykit_setAsyncTransactionContainer:) BOOL asyncdisplaykit_asyncTransactionContainer;

Source/Private/ASTableView+Undeprecated.h

@@ -146,7 +146,7 @@ NS_ASSUME_NONNULL_BEGIN
  * the main thread.
  * @warning This method is substantially more expensive than UITableView's version.
  */
--(void)reloadDataWithCompletion:(void (^ _Nullable)())completion;
+-(void)reloadDataWithCompletion:(void (^ _Nullable)(void))completion;
 
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.

Source/Private/_ASPendingState.mm

@@ -141,7 +141,7 @@ @implementation _ASPendingState
   NSArray *accessibilityHeaderElements;
   CGPoint accessibilityActivationPoint;
   UIBezierPath *accessibilityPath;
-  UISemanticContentAttribute semanticContentAttribute;
+  UISemanticContentAttribute semanticContentAttribute API_AVAILABLE(ios(9.0), tvos(9.0));
 
   ASPendingStateFlags _flags;
 }
@@ -295,7 +295,9 @@ - (instancetype)init
   accessibilityActivationPoint = CGPointZero;
   accessibilityPath = nil;
   edgeAntialiasingMask = (kCALayerLeftEdge | kCALayerRightEdge | kCALayerTopEdge | kCALayerBottomEdge);
-  semanticContentAttribute = UISemanticContentAttributeUnspecified;
+  if (AS_AVAILABLE_IOS(9)) {
+    semanticContentAttribute = UISemanticContentAttributeUnspecified;
+  }
 
   return self;
 }
@@ -573,7 +575,7 @@ - (void)asyncdisplaykit_setAsyncTransactionContainer:(BOOL)flag
   _flags.setAsyncTransactionContainer = YES;
 }
 
-- (void)setSemanticContentAttribute:(UISemanticContentAttribute)attribute {
+- (void)setSemanticContentAttribute:(UISemanticContentAttribute)attribute API_AVAILABLE(ios(9.0), tvos(9.0)) {
   semanticContentAttribute = attribute;
   _flags.setSemanticContentAttribute = YES;
 }
@@ -1049,8 +1051,10 @@ - (void)applyToView:(UIView *)view withSpecialPropertiesHandling:(BOOL)specialPr
   if (flags.setOpaque)
     ASDisplayNodeAssert(layer.opaque == opaque, @"Didn't set opaque as desired");
 
-  if (flags.setSemanticContentAttribute) {
-    view.semanticContentAttribute = semanticContentAttribute;
+  if (AS_AVAILABLE_IOS(9)) {
+    if (flags.setSemanticContentAttribute) {
+      view.semanticContentAttribute = semanticContentAttribute;
+    }
   }
 
   if (flags.setIsAccessibilityElement)
@@ -1211,7 +1215,9 @@ + (_ASPendingState *)pendingViewStateFromView:(UIView *)view
   pendingState.allowsGroupOpacity = layer.allowsGroupOpacity;
   pendingState.allowsEdgeAntialiasing = layer.allowsEdgeAntialiasing;
   pendingState.edgeAntialiasingMask = layer.edgeAntialiasingMask;
-  pendingState.semanticContentAttribute = view.semanticContentAttribute;
+  if (AS_AVAILABLE_IOS(9)) {
+    pendingState.semanticContentAttribute = view.semanticContentAttribute;
+  }
   pendingState.isAccessibilityElement = view.isAccessibilityElement;
   pendingState.accessibilityLabel = view.accessibilityLabel;
   pendingState.accessibilityHint = view.accessibilityHint;