chore: [SDK-5084] remove unsupported iOS compatibility code

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OSDeviceUtils.h

@@ -31,9 +31,6 @@
 
 @interface OSDeviceUtils : NSObject
 
-+ (NSString *)getCurrentDeviceVersion;
-+ (BOOL)isIOSVersionGreaterThanOrEqual:(NSString *)version;
-+ (BOOL)isIOSVersionLessThan:(NSString *)version;
 + (NSString*)getDeviceVariant;
 
 @end

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OSDeviceUtils.m

@@ -32,18 +32,6 @@ of this software and associated documentation files (the "Software"), to deal
 
 @implementation OSDeviceUtils
 
-+ (NSString *)getCurrentDeviceVersion {
-    return [[UIDevice currentDevice] systemVersion];
-}
-
-+ (BOOL)isIOSVersionGreaterThanOrEqual:(NSString *)version {
-    return [[self getCurrentDeviceVersion] compare:version options:NSNumericSearch] != NSOrderedAscending;
-}
-
-+ (BOOL)isIOSVersionLessThan:(NSString *)version {
-    return [[self getCurrentDeviceVersion] compare:version options:NSNumericSearch] == NSOrderedAscending;
-}
-
 + (NSString*)getSystemInfoMachine {
     // e.g. @"x86_64" or @"iPhone9,3"
     struct utsname systemInfo;

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OSNotification.m

@@ -141,9 +141,7 @@ - (void)parseAlertField:(NSObject*)alert {
         _body = (NSString*)alert;
 }
 
-// Only used on iOS 9 and older.
-//   - Or if the OneSignal server hasn't received the iOS version update.
-// May also be used if OneSignal server hasn't received the SDK version 2.4.0+ update event
+// Parses minified payloads that can still arrive before the server receives current SDK and device metadata.
 - (void)parseRemoteSlient:(NSDictionary*)payload {
     [self parseAlertField:payload[@"m"]];
     _badge = [payload[@"b"] intValue];

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalCommonDefines.h

@@ -56,7 +56,6 @@
 #define OSUD_PERMISSION_ACCEPTED_FROM                                       @"ONESIGNAL_PERMISSION_ACCEPTED_LAST"                               // * OSUD_PERMISSION_ACCEPTED_FROM
 #define OSUD_WAS_PROMPTED_FOR_NOTIFICATIONS_TO                              @"OSUD_WAS_PROMPTED_FOR_NOTIFICATIONS_TO"                           // OSUD_WAS_PROMPTED_FOR_NOTIFICATIONS_TO
 #define OSUD_WAS_PROMPTED_FOR_NOTIFICATIONS_FROM                            @"OS_HAS_PROMPTED_FOR_NOTIFICATIONS_LAST"                           // * OSUD_WAS_PROMPTED_FOR_NOTIFICATIONS_FROM
-#define OSUD_WAS_NOTIFICATION_PROMPT_ANSWERED_TO                            @"OS_NOTIFICATION_PROMPT_ANSWERED"                                  // * OSUD_WAS_NOTIFICATION_PROMPT_ANSWERED_TO
 #define OSUD_WAS_NOTIFICATION_PROMPT_ANSWERED_FROM                          @"OS_NOTIFICATION_PROMPT_ANSWERED_LAST"                             // * OSUD_WAS_NOTIFICATION_PROMPT_ANSWERED_FROM
 #define OSUD_PROVISIONAL_PUSH_AUTHORIZATION_TO                              @"OSUD_PROVISIONAL_PUSH_AUTHORIZATION_TO"                           // OSUD_PROVISIONAL_PUSH_AUTHORIZATION_TO
 #define OSUD_PROVISIONAL_PUSH_AUTHORIZATION_FROM                            @"ONESIGNAL_PROVISIONAL_AUTHORIZATION_LAST"                         // * OSUD_PROVISIONAL_PUSH_AUTHORIZATION_FROM
@@ -113,11 +112,6 @@
 #define OSUD_UNSENT_ACTIVE_TIME                                             @"GT_UNSENT_ACTIVE_TIME"                                            // * OSUD_UNSENT_ACTIVE_TIME
 #define OSUD_UNSENT_ACTIVE_TIME_ATTRIBUTED                                  @"GT_UNSENT_ACTIVE_TIME_ATTRIBUTED"                                 // * OSUD_UNSENT_ACTIVE_TIME_ATTRIBUTED
 
-// Deprecated Selectors
-#define DEPRECATED_SELECTORS @[ @"application:didReceiveLocalNotification:", \
-                                @"application:handleActionWithIdentifier:forLocalNotification:completionHandler:", \
-                                @"application:handleActionWithIdentifier:forLocalNotification:withResponseInfo:completionHandler:" ]
-
 // To avoid undefined symbol compiler errors on older versions of Xcode,
 // instead of using UNAuthorizationOptionProvisional directly, we will use
 // it indirectly with these macros

iOS_SDK/OneSignalSDK/OneSignalExtension/OneSignalExtension.h

@@ -35,10 +35,8 @@
 @interface OneSignalExtension : NSObject
 #pragma mark NotificationService Extension
 #pragma clang diagnostic ignored "-Wnullability-completeness"
-// iOS 10 only
-// Process from Notification Service Extension.
-// Used for iOS Media Attachemtns and Action Buttons.
-+ (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotificationRequest* _Nonnull)request withMutableNotificationContent:(UNMutableNotificationContent* _Nullable)replacementContent __deprecated_msg("Please use didReceiveNotificationExtensionRequest:withMutableNotificationContent:withContentHandler: instead.");
+// Call from a UNNotificationServiceExtension on iOS 10 and later.
+// Processes media attachments and action buttons.
 + (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotificationRequest* _Nonnull)request withMutableNotificationContent:(UNMutableNotificationContent* _Nullable)replacementContent withContentHandler:(void (^)(UNNotificationContent *_Nonnull))contentHandler;
 + (UNMutableNotificationContent*)serviceExtensionTimeWillExpireRequest:(UNNotificationRequest* _Nonnull)request withMutableNotificationContent:(UNMutableNotificationContent* _Nullable)replacementContent;
 @end

iOS_SDK/OneSignalSDK/OneSignalExtension/OneSignalExtension.m

@@ -30,13 +30,6 @@ of this software and associated documentation files (the "Software"), to deal
 
 @implementation OneSignalExtension
 
-// Called from the app's Notification Service Extension
-+ (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotificationRequest*)request withMutableNotificationContent:(UNMutableNotificationContent*)replacementContent {
-    return [OneSignalNotificationServiceExtensionHandler
-            didReceiveNotificationExtensionRequest:request
-            withMutableNotificationContent:replacementContent];
-}
-
 // Called from the app's Notification Service Extension. Calls contentHandler() to display the notification
 + (UNMutableNotificationContent*)didReceiveNotificationExtensionRequest:(UNNotificationRequest*)request                              withMutableNotificationContent:(UNMutableNotificationContent*)replacementContent
                 withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {

iOS_SDK/OneSignalSDK/OneSignalInAppMessages/Controller/OSMessagingController.m

@@ -165,7 +165,6 @@ @implementation OSMessagingController
 static dispatch_once_t once;
 + (OSMessagingController *)sharedInstance {
     dispatch_once(&once, ^{
-        // Make sure only devices with iOS 10 or newer can use IAMs
         if ([self doesDeviceSupportIAM]) {
             sharedInstance = [OSMessagingController new];
         } else {
@@ -209,9 +208,8 @@ + (BOOL)doesDeviceSupportIAM {
     // We could support in the future after we reslove the display issues.
     if ([@"Mac" isEqualToString:[OSDeviceUtils getDeviceVariant]])
         return false;
-
-    // Only support iOS 10 and newer due to Safari 9 WebView issues
-    return [OSDeviceUtils isIOSVersionGreaterThanOrEqual:@"10.0"];
+
+    return true;
 }
 
 - (instancetype)init {

iOS_SDK/OneSignalSDK/OneSignalInAppMessages/UI/OSInAppMessageView.m

@@ -171,25 +171,23 @@ - (void)resetWebViewToMaxBoundsAndResizeHeight:(void (^) (NSNumber *newHeight))
 }
 
 - (void)updateSafeAreaInsets {
-    if (@available(iOS 11, *)) {
-        UIWindow *keyWindow = UIApplication.sharedApplication.keyWindow;
-        CGFloat top = keyWindow.safeAreaInsets.top;
-        CGFloat bottom = keyWindow.safeAreaInsets.bottom;
-        CGFloat right = keyWindow.safeAreaInsets.right;
-        CGFloat left = keyWindow.safeAreaInsets.left;
-        NSString *safeAreaInsetsObjectString = [NSString stringWithFormat:OS_JS_SAFE_AREA_INSETS_OBJ,top, bottom, right, left];
-
-        NSString *setInsetsString = [NSString stringWithFormat:OS_SET_SAFE_AREA_INSETS_METHOD, safeAreaInsetsObjectString];
-        [self.webView evaluateJavaScript:setInsetsString completionHandler:^(NSDictionary *result, NSError * _Nullable error) {
-            if (error) {
-                NSString *errorMessage = [NSString stringWithFormat:@"Javascript Method: %@ Evaluated with Error: %@", OS_SET_SAFE_AREA_INSETS_METHOD, error];
-                [OneSignalLog onesignalLog:ONE_S_LL_ERROR message:errorMessage];
-                return;
-            }
-            NSString *successMessage = [NSString stringWithFormat:@"Javascript Method: %@ Evaluated with Success: %@", OS_SET_SAFE_AREA_INSETS_METHOD, result];
-            [OneSignalLog onesignalLog:ONE_S_LL_VERBOSE message:successMessage];
-        }];
-    }
+    UIWindow *keyWindow = UIApplication.sharedApplication.keyWindow;
+    CGFloat top = keyWindow.safeAreaInsets.top;
+    CGFloat bottom = keyWindow.safeAreaInsets.bottom;
+    CGFloat right = keyWindow.safeAreaInsets.right;
+    CGFloat left = keyWindow.safeAreaInsets.left;
+    NSString *safeAreaInsetsObjectString = [NSString stringWithFormat:OS_JS_SAFE_AREA_INSETS_OBJ,top, bottom, right, left];
+
+    NSString *setInsetsString = [NSString stringWithFormat:OS_SET_SAFE_AREA_INSETS_METHOD, safeAreaInsetsObjectString];
+    [self.webView evaluateJavaScript:setInsetsString completionHandler:^(NSDictionary *result, NSError * _Nullable error) {
+        if (error) {
+            NSString *errorMessage = [NSString stringWithFormat:@"Javascript Method: %@ Evaluated with Error: %@", OS_SET_SAFE_AREA_INSETS_METHOD, error];
+            [OneSignalLog onesignalLog:ONE_S_LL_ERROR message:errorMessage];
+            return;
+        }
+        NSString *successMessage = [NSString stringWithFormat:@"Javascript Method: %@ Evaluated with Success: %@", OS_SET_SAFE_AREA_INSETS_METHOD, result];
+        [OneSignalLog onesignalLog:ONE_S_LL_VERBOSE message:successMessage];
+    }];
 }
 
 - (NSNumber *)extractHeightFromMetaDataPayload:(NSDictionary *)result {
@@ -210,8 +208,7 @@ - (void)setupWebViewConstraints {
     self.webView.layer.cornerRadius = 10.0f;
     self.webView.layer.masksToBounds = true;
 
-    if (@available(iOS 11, *))
-        self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+    self.webView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
 
     [self.webView.leadingAnchor constraintEqualToAnchor:self.leadingAnchor].active = true;
     [self.webView.trailingAnchor constraintEqualToAnchor:self.trailingAnchor].active = true;

iOS_SDK/OneSignalSDK/OneSignalInAppMessages/UI/OSInAppMessageViewController.m

@@ -293,22 +293,20 @@ - (void)parseContentData:(NSDictionary *)data {
 
 - (NSString *)setContentInsetsInHTML:(NSString *)html {
     NSMutableString *newHTML = [[NSMutableString alloc] initWithString:html];
-    if (@available(iOS 11, *)) {
-        UIWindow *keyWindow = UIApplication.sharedApplication.keyWindow;
-        if (!keyWindow) {
-            return newHTML;
-        }
-        CGFloat top = keyWindow.safeAreaInsets.top;
-        CGFloat bottom = keyWindow.safeAreaInsets.bottom;
-        CGFloat right = keyWindow.safeAreaInsets.right;
-        CGFloat left = keyWindow.safeAreaInsets.left;
-        NSString *safeAreaInsetsObjectString = [NSString stringWithFormat:OS_JS_SAFE_AREA_INSETS_OBJ,top, bottom, right, left];
-        NSString *insetsString = [NSString stringWithFormat:@"\n\n\
+    UIWindow *keyWindow = UIApplication.sharedApplication.keyWindow;
+    if (!keyWindow) {
+        return newHTML;
+    }
+    CGFloat top = keyWindow.safeAreaInsets.top;
+    CGFloat bottom = keyWindow.safeAreaInsets.bottom;
+    CGFloat right = keyWindow.safeAreaInsets.right;
+    CGFloat left = keyWindow.safeAreaInsets.left;
+    NSString *safeAreaInsetsObjectString = [NSString stringWithFormat:OS_JS_SAFE_AREA_INSETS_OBJ,top, bottom, right, left];
+    NSString *insetsString = [NSString stringWithFormat:@"\n\n\
                              <script> \
                                 setSafeAreaInsets(%@);\
                              </script>",safeAreaInsetsObjectString];
-        [newHTML appendString: insetsString];
-    }
+    [newHTML appendString: insetsString];
     return newHTML;
 }
 
@@ -367,17 +365,14 @@ - (void)addConstraintsForMessage {
 
     // The safe area represents the anchors that are not obscurable by  UI such
     // as a notch or a rounded corner on newer iOS devices like iPhone X
-    // Note that Safe Area layout guides were only introduced in iOS 11
-    if (@available(iOS 11, *)) {
-        if (!self.isFullscreen) {
-            let safeArea = self.view.safeAreaLayoutGuide;
-            top = safeArea.topAnchor;
-            bottom = safeArea.bottomAnchor;
-            leading = safeArea.leadingAnchor;
-            trailing = safeArea.trailingAnchor;
-            center = safeArea.centerXAnchor;
-            height = safeArea.heightAnchor;
-        }
+    if (!self.isFullscreen) {
+        let safeArea = self.view.safeAreaLayoutGuide;
+        top = safeArea.topAnchor;
+        bottom = safeArea.bottomAnchor;
+        leading = safeArea.leadingAnchor;
+        trailing = safeArea.trailingAnchor;
+        center = safeArea.centerXAnchor;
+        height = safeArea.heightAnchor;
     }
 
     CGRect mainBounds = [OneSignalCoreHelper getScreenBounds];
@@ -419,11 +414,9 @@ - (void)addConstraintsForMessage {
     double bannerHeight = self.message.height.doubleValue + (2.0f * marginSpacing);
     double bannerMessageY = mainBounds.size.height - bannerHeight;
     switch (self.message.position) {
-        case OSInAppMessageDisplayPositionTop:
-            if (@available(iOS 11, *)) {
-                UIEdgeInsets safeAreaInsets = self.view.window.safeAreaInsets;
-                bannerHeight += safeAreaInsets.top + safeAreaInsets.bottom;
-            }
+        case OSInAppMessageDisplayPositionTop: {
+            UIEdgeInsets safeAreaInsets = self.view.window.safeAreaInsets;
+            bannerHeight += safeAreaInsets.top + safeAreaInsets.bottom;
             double statusBarHeight = UIApplication.sharedApplication.statusBarFrame.size.height;
             bannerHeight += statusBarHeight;
             self.view.window.frame = CGRectMake(0, 0, bannerWidth, bannerHeight);
@@ -434,12 +427,11 @@ - (void)addConstraintsForMessage {
             self.panVerticalConstraint = [self.messageView.topAnchor constraintEqualToAnchor:top
                                                                                     constant:(self.useHeightMargin ? marginSpacing : 0)];
             break;
-        case OSInAppMessageDisplayPositionBottom:
-            if (@available(iOS 11, *)) {
-                UIEdgeInsets safeAreaInsets = self.view.window.safeAreaInsets;
-                bannerHeight += safeAreaInsets.top + safeAreaInsets.bottom;
-                bannerMessageY = mainBounds.size.height - bannerHeight;
-            }
+        }
+        case OSInAppMessageDisplayPositionBottom: {
+            UIEdgeInsets safeAreaInsets = self.view.window.safeAreaInsets;
+            bannerHeight += safeAreaInsets.top + safeAreaInsets.bottom;
+            bannerMessageY = mainBounds.size.height - bannerHeight;
             self.view.window.frame = CGRectMake(0, bannerMessageY, bannerWidth, bannerHeight);
 
             self.initialYConstraint = [self.messageView.topAnchor constraintEqualToAnchor:self.view.bottomAnchor constant:8.0f];
@@ -448,15 +440,14 @@ - (void)addConstraintsForMessage {
             self.panVerticalConstraint = [self.messageView.bottomAnchor constraintEqualToAnchor:bottom
                                                                                        constant:(self.useHeightMargin ? -marginSpacing : 0)];
             break;
+        }
         case OSInAppMessageDisplayPositionFullScreen:
         case OSInAppMessageDisplayPositionCenterModal:
             self.view.window.frame = mainBounds;
             NSLayoutAnchor *centerYanchor = self.view.centerYAnchor;
-            if (@available(iOS 11, *)) {
-                if (!self.isFullscreen) {
-                    let safeArea = self.view.safeAreaLayoutGuide;
-                    centerYanchor = safeArea.centerYAnchor;
-                }
+            if (!self.isFullscreen) {
+                let safeArea = self.view.safeAreaLayoutGuide;
+                centerYanchor = safeArea.centerYAnchor;
             }
 
             self.initialYConstraint = [self.messageView.centerYAnchor constraintEqualToAnchor:centerYanchor constant:0.0f];

iOS_SDK/OneSignalSDK/OneSignalLocation/OneSignalLocationManager.m

@@ -300,8 +300,7 @@ + (void)internalGetLocation:(bool)prompt fallbackToSettings:(BOOL)fallback {
 #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
                 [locationManager performSelector:NSSelectorFromString(@"requestAlwaysAuthorization")];
 #pragma clang diagnostic pop
-                if ([OSDeviceUtils isIOSVersionGreaterThanOrEqual:@"9.0"])
-                    [locationManager setValue:@YES forKey:@"allowsBackgroundLocationUpdates"];
+                [locationManager setValue:@YES forKey:@"allowsBackgroundLocationUpdates"];
             }
 
             else if ([[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSLocationWhenInUseUsageDescription"]) {

iOS_SDK/OneSignalSDK/OneSignalNotifications/Categories/UIApplicationDelegate+OneSignalNotifications.m

@@ -38,9 +38,8 @@
 #import <objc/runtime.h>
 #import "OSMacros.h"
 
-// This class hooks into the UIApplicationDelegate selectors to receive iOS 9 and older events.
-//   - UNUserNotificationCenter is used for iOS 10
-//   - Orignal implementations are called so other plugins and the developers AppDelegate is still called.
+// Hooks notification registration and background delivery selectors.
+// Original implementations are called so other plugins and the app delegate still receive them.
 
 @implementation OneSignalNotificationsAppDelegate
 
@@ -69,9 +68,8 @@ - (void) setOneSignalDelegate:(id<UIApplicationDelegate>)delegate {
 
     Class newClass = [OneSignalNotificationsAppDelegate class];
 
-    // Need to keep this one for iOS 10 for content-available notifiations when the app is not in focus
-    //   iOS 10 doesn't fire a selector on UNUserNotificationCenter in this cases most likely becuase
-    //   UNNotificationServiceExtension (mutable-content) and UNNotificationContentExtension (with category) replaced it.
+    // Background content-available notifications are delivered through UIApplicationDelegate,
+    // not UNUserNotificationCenterDelegate.
     injectSelector(
         delegateClass,
         @selector(application:didReceiveRemoteNotification:fetchCompletionHandler:),
@@ -149,9 +147,7 @@ - (void)oneSignalDidFailRegisterForRemoteNotification:(UIApplication*)app error:
 
 // Fires when a notication is opened or recieved while the app is in focus.
 //   - Also fires when the app is in the background and a notificaiton with content-available=1 is received.
-// NOTE: completionHandler must only be called once!
-//          iOS 10 - This crashes the app if it is called twice! Crash will happen when the app is resumed.
-//          iOS 9  - Does not have this issue.
+// NOTE: completionHandler must only be called once.
 - (void) oneSignalReceiveRemoteNotification:(UIApplication*)application UserInfo:(NSDictionary*)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult)) completionHandler {
     [OneSignalNotificationsAppDelegate traceCall:@"oneSignalReceiveRemoteNotification:UserInfo:fetchCompletionHandler:"];
     SwizzlingForwarder *forwarder = [[SwizzlingForwarder alloc]

iOS_SDK/OneSignalSDK/OneSignalNotifications/NotificationSettings/OneSignalNotificationSettings.h

@@ -39,8 +39,6 @@ typedef void(^OSUserResponseBlock)(BOOL accepted);
 - (void)getNotificationPermissionState:(void (^)(OSPermissionStateInternal *subscriptionState))completionHandler;
 - (void)promptForNotifications:(OSUserResponseBlock)block;
 - (void)registerForProvisionalAuthorization:(OSUserResponseBlock)block;
-// Only used for iOS 9
-- (void)onNotificationPromptResponse:(int)notificationTypes;
 +(dispatch_queue_t)getQueue;
 @end