fix(badges): drop deprecated applicationIconBadgeNumber usage

iOS_SDK/OneSignalSDK/OneSignal.xcodeproj/project.pbxproj

@@ -73,6 +73,8 @@
 		3C277D7E2BD76E0000857606 /* OSIdentityModelRepo.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3C277D7D2BD76E0000857606 /* OSIdentityModelRepo.swift */; };
 		3C2C7DC8288F3C020020F9AE /* OSSubscriptionModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3C2C7DC7288F3C020020F9AE /* OSSubscriptionModel.swift */; };
 		3C2D8A5928B4C4E300BE41F6 /* OSDelta.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3C2D8A5828B4C4E300BE41F6 /* OSDelta.swift */; };
+		3C2DB2F12DE6CB5E0006B905 /* OneSignalBadgeHelpers.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C2DB2EF2DE6CB5E0006B905 /* OneSignalBadgeHelpers.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		3C2DB2F22DE6CB5E0006B905 /* OneSignalBadgeHelpers.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C2DB2F02DE6CB5E0006B905 /* OneSignalBadgeHelpers.m */; };
 		3C44673E296D099D0039A49E /* OneSignalMobileProvision.m in Sources */ = {isa = PBXBuildFile; fileRef = 912411FD1E73342200E41FD7 /* OneSignalMobileProvision.m */; };
 		3C44673F296D09CC0039A49E /* OneSignalMobileProvision.h in Headers */ = {isa = PBXBuildFile; fileRef = 912411FC1E73342200E41FD7 /* OneSignalMobileProvision.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		3C448B9D2936ADFD002F96BC /* OSBackgroundTaskHandlerImpl.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C448B9B2936ADFD002F96BC /* OSBackgroundTaskHandlerImpl.h */; };
@@ -1251,6 +1253,8 @@
 		3C2C7DC2288E007E0020F9AE /* UnitTests-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UnitTests-Bridging-Header.h"; sourceTree = "<group>"; };
 		3C2C7DC7288F3C020020F9AE /* OSSubscriptionModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OSSubscriptionModel.swift; sourceTree = "<group>"; };
 		3C2D8A5828B4C4E300BE41F6 /* OSDelta.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OSDelta.swift; sourceTree = "<group>"; };
+		3C2DB2EF2DE6CB5E0006B905 /* OneSignalBadgeHelpers.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = OneSignalBadgeHelpers.h; sourceTree = "<group>"; };
+		3C2DB2F02DE6CB5E0006B905 /* OneSignalBadgeHelpers.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = OneSignalBadgeHelpers.m; sourceTree = "<group>"; };
 		3C448B9B2936ADFD002F96BC /* OSBackgroundTaskHandlerImpl.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = OSBackgroundTaskHandlerImpl.h; sourceTree = "<group>"; };
 		3C448B9C2936ADFD002F96BC /* OSBackgroundTaskHandlerImpl.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = OSBackgroundTaskHandlerImpl.m; sourceTree = "<group>"; };
 		3C448BA12936B474002F96BC /* OSBackgroundTaskManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OSBackgroundTaskManager.swift; sourceTree = "<group>"; };
@@ -2596,6 +2600,8 @@
 				DE7D182C270273B0002D3A5D /* OSNotification.h */,
 				454F94F41FAD2E5A00D74CCF /* OSNotification.m */,
 				454F94F61FAD2EC300D74CCF /* OSNotification+Internal.h */,
+				3C2DB2EF2DE6CB5E0006B905 /* OneSignalBadgeHelpers.h */,
+				3C2DB2F02DE6CB5E0006B905 /* OneSignalBadgeHelpers.m */,
 				3CE8CC4C2911ADD1000DB0D3 /* OSDeviceUtils.h */,
 				3C47A972292642B100312125 /* OneSignalConfigManager.h */,
 				3C47A973292642B100312125 /* OneSignalConfigManager.m */,
@@ -3138,6 +3144,7 @@
 				DE7D182F270275FF002D3A5D /* OneSignalTrackFirebaseAnalytics.h in Headers */,
 				DEF7845C2912E89200A1F3A5 /* OSObservable.h in Headers */,
 				DE7D1875270375FF002D3A5D /* OSReattemptRequest.h in Headers */,
+				3C2DB2F12DE6CB5E0006B905 /* OneSignalBadgeHelpers.h in Headers */,
 				DEF784652912FB2200A1F3A5 /* OSDialogInstanceManager.h in Headers */,
 				DEF78493291479B200A1F3A5 /* OneSignalSelectorHelpers.h in Headers */,
 				DE7D1862270374EE002D3A5D /* OSJSONHandling.h in Headers */,
@@ -4427,6 +4434,7 @@
 				DEF784642912FA5100A1F3A5 /* OSDialogInstanceManager.m in Sources */,
 				DE7D183B27027EFC002D3A5D /* NSURL+OneSignal.m in Sources */,
 				DE7D186B270374EE002D3A5D /* OneSignalRequest.m in Sources */,
+				3C2DB2F22DE6CB5E0006B905 /* OneSignalBadgeHelpers.m in Sources */,
 				3C44673E296D099D0039A49E /* OneSignalMobileProvision.m in Sources */,
 				3CCF44BF299B17290021964D /* OneSignalWrapper.m in Sources */,
 				DEF78492291479B200A1F3A5 /* OneSignalSelectorHelpers.m in Sources */,

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalBadgeHelpers.h

@@ -0,0 +1,32 @@
+/**
+ * Modified MIT License
+ *
+ * Copyright 2025 OneSignal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 2. All copies of substantial portions of the Software may only be used in connection
+ * with services provided by OneSignal.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface OneSignalBadgeHelpers : NSObject
++ (void)updateCachedBadgeValue:(NSInteger)value usePreviousBadgeCount:(BOOL)usePrevious;
+@end

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalBadgeHelpers.m

@@ -0,0 +1,52 @@
+/**
+ * Modified MIT License
+ *
+ * Copyright 2025 OneSignal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 2. All copies of substantial portions of the Software may only be used in connection
+ * with services provided by OneSignal.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#import "OneSignalBadgeHelpers.h"
+#import "OneSignalUserDefaults.h"
+#import "OneSignalCommonDefines.h"
+
+@implementation OneSignalBadgeHelpers
+
+/**
+ Store a previous badge count so that we can revert to this cached value when a notification display is cancelled.
+ When `usePreviousBadgeCount` is `true`, the `value` passed to this method will be unused.
+ */
++ (void)updateCachedBadgeValue:(NSInteger)value usePreviousBadgeCount:(BOOL)usePrevious {
+    // Since badge logic can be executed in an extension, we need to use app groups to get
+    // a shared NSUserDefaults from the app group suite name
+    if (usePrevious) {
+        // Keep the PREVIOUS_ONESIGNAL_BADGE_KEY value unchanged
+        NSInteger previousBadgeCount = [OneSignalUserDefaults.initShared getSavedIntegerForKey:PREVIOUS_ONESIGNAL_BADGE_KEY defaultValue:0];
+        [OneSignalUserDefaults.initShared saveIntegerForKey:ONESIGNAL_BADGE_KEY withValue:previousBadgeCount];
+    } else {
+        NSInteger previousBadgeCount = [OneSignalUserDefaults.initShared getSavedIntegerForKey:ONESIGNAL_BADGE_KEY defaultValue:0];
+        [OneSignalUserDefaults.initShared saveIntegerForKey:PREVIOUS_ONESIGNAL_BADGE_KEY withValue:previousBadgeCount];
+        [OneSignalUserDefaults.initShared saveIntegerForKey:ONESIGNAL_BADGE_KEY withValue:value];
+    }
+}
+
+@end

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalCommonDefines.h

@@ -159,6 +159,8 @@
 #define ONESIGNAL_DISABLE_BADGE_CLEARING @"OneSignal_disable_badge_clearing"
 #define ONESIGNAL_APP_GROUP_NAME_KEY @"OneSignal_app_groups_key"
 #define ONESIGNAL_BADGE_KEY @"onesignalBadgeCount"
+/// Store the previous badge count to read for a cancelled notification display event
+#define PREVIOUS_ONESIGNAL_BADGE_KEY @"previousOnesignalBadgeCount"
 
 // Firebase
 #define ONESIGNAL_FB_ENABLE_FIREBASE @"OS_ENABLE_FIREBASE_ANALYTICS"

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalCore.h

@@ -58,6 +58,7 @@
 #import <OneSignalCore/OSLocation.h>
 #import <OneSignalCore/OSBundleUtils.h>
 #import <OneSignalCore/OneSignalClientError.h>
+#import <OneSignalCore/OneSignalBadgeHelpers.h>
 
 // TODO: Testing: Should this class be defined in this file?
 @interface OneSignalCoreImpl : NSObject

iOS_SDK/OneSignalSDK/OneSignalExtension/OneSignalExtensionBadgeHandler.h

@@ -31,6 +31,4 @@
 
 @interface OneSignalExtensionBadgeHandler : NSObject
 + (void)handleBadgeCountWithNotificationRequest:(UNNotificationRequest *)request withNotification:(OSNotification *)notification withMutableNotificationContent:(UNMutableNotificationContent *)replacementContent;
-+ (void)updateCachedBadgeValue:(NSInteger)value;
-+ (NSInteger)currentCachedBadgeValue;
 @end

iOS_SDK/OneSignalSDK/OneSignalExtension/OneSignalExtensionBadgeHandler.m

@@ -35,7 +35,7 @@ + (void)handleBadgeCountWithNotificationRequest:(UNNotificationRequest *)request
     //make sure the OneSignal cached value is updated to this value
     if (!notification.badgeIncrement) {
         if (notification.hasBadge)
-            [OneSignalExtensionBadgeHandler updateCachedBadgeValue:notification.badge];
+            [OneSignalBadgeHelpers updateCachedBadgeValue:notification.badge usePreviousBadgeCount:false];
 
         return;
     }
@@ -50,17 +50,11 @@ + (void)handleBadgeCountWithNotificationRequest:(UNNotificationRequest *)request
 
     replacementContent.badge = @(currentValue);
 
-    [OneSignalExtensionBadgeHandler updateCachedBadgeValue:currentValue];
+    [OneSignalBadgeHelpers updateCachedBadgeValue:currentValue usePreviousBadgeCount:false];
 }
 
 + (NSInteger)currentCachedBadgeValue {
     return [OneSignalUserDefaults.initShared getSavedIntegerForKey:ONESIGNAL_BADGE_KEY defaultValue:0];
 }
 
-+ (void)updateCachedBadgeValue:(NSInteger)value {
-    // Since badge logic can be executed in an extension, we need to use app groups to get
-    //  a shared NSUserDefaults from the app group suite name
-    [OneSignalUserDefaults.initShared saveIntegerForKey:ONESIGNAL_BADGE_KEY withValue:value];
-}
-
 @end

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

@@ -97,6 +97,12 @@ + (void)swizzleSelectors {
         [OneSignalNotificationsUNUserNotificationCenter class],
         @selector(onesignalGetNotificationSettingsWithCompletionHandler:)
    );
+    injectSelector(
+        [UNUserNotificationCenter class],
+        @selector(setBadgeCount:withCompletionHandler:),
+        [OneSignalNotificationsUNUserNotificationCenter class],
+        @selector(onesignalSetBadgeCount:withCompletionHandler:)
+    );
 }
 
 + (void)registerDelegate {
@@ -167,6 +173,15 @@ - (void)onesignalGetNotificationSettingsWithCompletionHandler:(void(^)(UNNotific
     [self onesignalGetNotificationSettingsWithCompletionHandler:wrapperBlock];
 }
 
+/**
+ In order for the badge count to be consistent even in situations where the developer manually sets the badge number,
+ we swizzle the 'setBadgeCount()' method for ios 16+ to intercept these calls so we always know the latest count. This is especially
+ necessary as there is no equivalent "getBadgeCount" method available.
+ */
+- (void)onesignalSetBadgeCount:(NSInteger)badge withCompletionHandler:(void(^)(NSError *error))completionHandler {
+    [OneSignalBadgeHelpers updateCachedBadgeValue:badge usePreviousBadgeCount:false];
+    [self onesignalSetBadgeCount:badge withCompletionHandler:completionHandler];
+}
 
 // A Set to keep track of which classes we have already swizzled so we only
 // swizzle each one once. If we swizzled more than once then this will create

iOS_SDK/OneSignalSDK/OneSignalNotifications/OSNotification+OneSignal.m

@@ -76,8 +76,8 @@ - (void)complete:(OSDisplayableNotification *)notification {
      reset the badge count to the value prior to receipt of this notif
      */
     if (!notification) {
-        NSInteger previousBadgeCount = [UIApplication sharedApplication].applicationIconBadgeNumber;
-        [OneSignalUserDefaults.initShared saveIntegerForKey:ONESIGNAL_BADGE_KEY withValue:previousBadgeCount];
+        // The badge count value of -99 will not be used, the previous badge count will be set
+        [OneSignalBadgeHelpers updateCachedBadgeValue:-99 usePreviousBadgeCount:true];
     }
     if (_completion) {
         _completion(notification);

iOS_SDK/OneSignalSDK/OneSignalNotifications/OSNotificationsManager.h

@@ -114,7 +114,7 @@ NS_SWIFT_NAME(onClick(event:));
 
 + (void)handleWillShowInForegroundForNotification:(OSNotification *_Nonnull)notification completion:(OSNotificationDisplayResponse _Nonnull)completion;
 + (void)handleNotificationActionWithUrl:(NSString* _Nullable)url actionID:(NSString* _Nonnull)actionID;
-+ (BOOL)clearBadgeCount:(BOOL)fromNotifOpened fromClearAll:(BOOL)fromClearAll;
++ (void)clearBadgeCount:(BOOL)fromNotifOpened fromClearAll:(BOOL)fromClearAll;
 
 + (BOOL)receiveRemoteNotification:(UIApplication* _Nonnull)application UserInfo:(NSDictionary* _Nonnull)userInfo completionHandler:(void (^_Nonnull)(UIBackgroundFetchResult))completionHandler;
 + (void)notificationReceived:(NSDictionary* _Nonnull)messageDict wasOpened:(BOOL)opened;

iOS_SDK/OneSignalSDK/OneSignalNotifications/OSNotificationsManager.m

@@ -784,7 +784,7 @@ + (void)displayWebView:(NSURL*)url {
     openUrlBlock(true);
 }
 
-+ (BOOL)clearBadgeCount:(BOOL)fromNotifOpened fromClearAll:(BOOL)fromClearAll {
++ (void)clearBadgeCount:(BOOL)fromNotifOpened fromClearAll:(BOOL)fromClearAll {
 
     NSNumber *disableBadgeNumber = [[NSBundle mainBundle] objectForInfoDictionaryKey:ONESIGNAL_DISABLE_BADGE_CLEARING];
 
@@ -794,20 +794,23 @@ + (BOOL)clearBadgeCount:(BOOL)fromNotifOpened fromClearAll:(BOOL)fromClearAll {
         _disableBadgeClearing = NO;
 
     if (_disableBadgeClearing && !fromClearAll) {
-        // The customer could have manually changed the badge value. We must ensure our cached value will match the current state.
-        [OneSignalUserDefaults.initShared saveIntegerForKey:ONESIGNAL_BADGE_KEY withValue:[UIApplication sharedApplication].applicationIconBadgeNumber];
-        return false;
+        // The developer could have manually changed the badge value but we cannot read the current state.
+        // We swizzle badge count setters, which should be sufficient to ensure the cached value matches the current state.
+        [OneSignalLog onesignalLog:ONE_S_LL_DEBUG message:@"clearBadgeCount called but badge clearing is disabled, not updating cached badge count"];
+        return;
     }
 
-    bool wasBadgeSet = [UIApplication sharedApplication].applicationIconBadgeNumber > 0;
-
-    if (fromNotifOpened || wasBadgeSet) {
+    if (@available(iOS 16.0, *)) {
+        [[UNUserNotificationCenter currentNotificationCenter] setBadgeCount:0 withCompletionHandler:^(NSError * _Nullable error) {
+            if (error) {
+                [OneSignalLog onesignalLog:ONE_S_LL_ERROR message:[NSString stringWithFormat:@"clearBadgeCount encountered error setting badge count: %@", error]];
+            }
+        }];
+    } else {
         [OneSignalCoreHelper runOnMainThread:^{
             [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
         }];
     }
-
-    return wasBadgeSet;
 }
 
 + (BOOL)handleIAMPreview:(OSNotification *)notification {

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -809,7 +809,7 @@ + (void)load {
     We swizzle the 'setApplicationIconBadgeNumber()' to intercept these calls so we always know the latest count
 */
 - (void)onesignalSetApplicationIconBadgeNumber:(NSInteger)badge {
-    [OneSignalExtensionBadgeHandler updateCachedBadgeValue:badge];
+    [OneSignalBadgeHelpers updateCachedBadgeValue:badge usePreviousBadgeCount:false];
     [self onesignalSetApplicationIconBadgeNumber:badge];
 }