bugfix(iOS): #4760 - reloadApp in swift - using reflection

detox/ios/Detox.xcodeproj/project.pbxproj

@@ -134,6 +134,8 @@
 		60C1961B271F11C4000172DD /* fishhook.c in Sources */ = {isa = PBXBuildFile; fileRef = 60C19619271F11C4000172DD /* fishhook.c */; };
 		60E149C72759038F00519EE4 /* UIResponder+First.h in Headers */ = {isa = PBXBuildFile; fileRef = 60E149C52759038F00519EE4 /* UIResponder+First.h */; };
 		60E149C82759038F00519EE4 /* UIResponder+First.m in Sources */ = {isa = PBXBuildFile; fileRef = 60E149C62759038F00519EE4 /* UIResponder+First.m */; };
+		7D3919BE2E890DBB00D16E3A /* DetoxSwiftBridge.h in Headers */ = {isa = PBXBuildFile; fileRef = 7D3919BA2E890DBB00D16E3A /* DetoxSwiftBridge.h */; };
+		7D3919C02E890F0E00D16E3A /* DetoxSwiftBridge.m in Sources */ = {isa = PBXBuildFile; fileRef = 7D3919BF2E890F0E00D16E3A /* DetoxSwiftBridge.m */; };
 		AD4781082636F7CF006774CD /* NSURL+DetoxUtils.h in Headers */ = {isa = PBXBuildFile; fileRef = AD4781062636F7CE006774CD /* NSURL+DetoxUtils.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		AD4781092636F7CF006774CD /* NSURL+DetoxUtils.m in Sources */ = {isa = PBXBuildFile; fileRef = AD4781072636F7CF006774CD /* NSURL+DetoxUtils.m */; };
 /* End PBXBuildFile section */
@@ -346,6 +348,8 @@
 		60C19619271F11C4000172DD /* fishhook.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = fishhook.c; path = DetoxSync/DetoxSync/fishhook/fishhook.c; sourceTree = SOURCE_ROOT; };
 		60E149C52759038F00519EE4 /* UIResponder+First.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UIResponder+First.h"; sourceTree = "<group>"; };
 		60E149C62759038F00519EE4 /* UIResponder+First.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "UIResponder+First.m"; sourceTree = "<group>"; };
+		7D3919BA2E890DBB00D16E3A /* DetoxSwiftBridge.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DetoxSwiftBridge.h; sourceTree = "<group>"; };
+		7D3919BF2E890F0E00D16E3A /* DetoxSwiftBridge.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DetoxSwiftBridge.m; sourceTree = "<group>"; };
 		AD4781062636F7CE006774CD /* NSURL+DetoxUtils.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "NSURL+DetoxUtils.h"; sourceTree = "<group>"; };
 		AD4781072636F7CF006774CD /* NSURL+DetoxUtils.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "NSURL+DetoxUtils.m"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -488,6 +492,7 @@
 		3980D130244C42E7004812DD /* Utilities */ = {
 			isa = PBXGroup;
 			children = (
+				7D3919BC2E890DBB00D16E3A /* SwiftSupport */,
 				397CA7982483F07D005E8A71 /* ApproximateEquality.swift */,
 				39E91C06247D6BB00099F8F3 /* DetoxCrashHandler.h */,
 				39FFD9451FD730A600C97030 /* DetoxCrashHandler.mm */,
@@ -724,6 +729,15 @@
 			name = Runtime;
 			sourceTree = "<group>";
 		};
+		7D3919BC2E890DBB00D16E3A /* SwiftSupport */ = {
+			isa = PBXGroup;
+			children = (
+				7D3919BA2E890DBB00D16E3A /* DetoxSwiftBridge.h */,
+				7D3919BF2E890F0E00D16E3A /* DetoxSwiftBridge.m */,
+			);
+			path = SwiftSupport;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXHeadersBuildPhase section */
@@ -755,6 +769,7 @@
 				3980D10F2448B52C004812DD /* UIApplication+DTXAdditions.h in Headers */,
 				3980D1172448B52C004812DD /* DTXRunLoopSpinner.h in Headers */,
 				AD4781082636F7CF006774CD /* NSURL+DetoxUtils.h in Headers */,
+				7D3919BE2E890DBB00D16E3A /* DetoxSwiftBridge.h in Headers */,
 				6062B5E32720323700CBDBF0 /* NSArray+Utils.h in Headers */,
 				3980D135244C4373004812DD /* UIView+DetoxMatchers.h in Headers */,
 				3980D16D244DDCD7004812DD /* UIScrollView+DetoxActions.h in Headers */,
@@ -1003,6 +1018,7 @@
 				3990BA36245AC98C00B608C8 /* DTXAssertionHandler+Swift.swift in Sources */,
 				12BDDA602971652D00FDBBA8 /* UIApplication+DetoxActions.swift in Sources */,
 				39CA978D245B13CB00A7FC43 /* UIDevice+DetoxActions.m in Sources */,
+				7D3919C02E890F0E00D16E3A /* DetoxSwiftBridge.m in Sources */,
 				396D455225238BB90096E7FA /* UIView+Drawing.m in Sources */,
 				39CE25AC22197F0900D78AA1 /* DetoxInstrumentsManager.m in Sources */,
 				3980D1162448B52C004812DD /* DTXTouchInfo.m in Sources */,

detox/ios/Detox/Utilities/ReactNativeSupport/ReactNativeSupport.m

@@ -8,6 +8,7 @@
 
 #import "ReactNativeSupport.h"
 #import "ReactNativeHeaders.h"
+#import "DetoxSwiftBridge.h"
 
 #include <dlfcn.h>
 #include <stdatomic.h>
@@ -68,16 +69,21 @@ + (NSObject *) getReactHost {
     NSObject<UIApplicationDelegate> *appDelegate = UIApplication.sharedApplication.delegate;
 
     NSObject *rootViewFactory = nil;
+
     @try {
         rootViewFactory = [appDelegate valueForKey:@"rootViewFactory"];
     } @catch (NSException *exception) {
         @try {
             NSObject *reactNativeFactory = [appDelegate valueForKey:@"reactNativeFactory"];
             rootViewFactory = [reactNativeFactory valueForKey:@"rootViewFactory"];
         } @catch (NSException *exception) {
-            [NSException raise:@"Invalid AppDelegate" format:@"Could not access rootViewFactory. Make sure your AppDelegate either: Inherits from RCTAppDelegate Or defines 'reactNativeFactory'" ];
+            rootViewFactory = [DetoxSwiftBridge getRootViewFactory];
+            if (rootViewFactory == nil) {
+                [NSException raise:@"Invalid AppDelegate" format:@"Could not access rootViewFactory. Make sure your AppDelegate either: Inherits from RCTAppDelegate or defines 'reactNativeFactory'" ];
+            }
         }
     }
+
     return [rootViewFactory valueForKey:@"reactHost"];
 }
 

detox/ios/Detox/Utilities/SwiftSupport/DetoxSwiftBridge.h

@@ -0,0 +1,18 @@
+//
+//  DetoxSwiftBridge.h
+//  Detox
+//
+//  Created by Mark de Vocht on 28/09/2025.
+//  Copyright © 2025 Wix. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DetoxSwiftBridge : NSObject
++ (nullable NSObject *)getRootViewFactory;
++ (nullable NSObject *)getReactNativeFactory;
+@end
+
+NS_ASSUME_NONNULL_END

detox/ios/Detox/Utilities/SwiftSupport/DetoxSwiftBridge.m

@@ -0,0 +1,80 @@
+//
+//  DetoxSwiftBridge.m
+//  Detox
+//
+//  Created by Mark de Vocht on 28/09/2025.
+//  Copyright © 2025 Wix. All rights reserved.
+//
+
+#import "DetoxSwiftBridge.h"
+@import UIKit;
+@import ObjectiveC;
+
+DTX_CREATE_LOG(SwiftBridge);
+
+@implementation DetoxSwiftBridge
+
++ (nullable NSObject *)getRootViewFactory
+{
+    NSObject<UIApplicationDelegate> *appDelegate = UIApplication.sharedApplication.delegate;
+    if (!appDelegate) {
+        return nil;
+    }
+
+    NSObject *rootViewFactory = [self getPropertyFromObject:appDelegate named:@"rootViewFactory"];
+    if (rootViewFactory) {
+        return rootViewFactory;
+    }
+
+    NSObject *reactNativeFactory = [self getPropertyFromObject:appDelegate named:@"reactNativeFactory"];
+    if (reactNativeFactory) {
+        return [self getPropertyFromObject:reactNativeFactory named:@"rootViewFactory"];
+    }
+
+    return nil;
+}
+
++ (nullable NSObject *)getReactNativeFactory
+{
+    NSObject<UIApplicationDelegate> *appDelegate = UIApplication.sharedApplication.delegate;
+    if (!appDelegate) {
+        return nil;
+    }
+
+    return [self getPropertyFromObject:appDelegate named:@"reactNativeFactory"];
+}
+
++ (nullable NSObject *)getPropertyFromObject:(NSObject *)object named:(NSString *)propertyName
+{
+    if (!object || !propertyName) {
+        return nil;
+    }
+
+    Class objectClass = [object class];
+    while (objectClass) {
+        unsigned int ivarCount;
+        Ivar *ivars = class_copyIvarList(objectClass, &ivarCount);
+
+        for (unsigned int i = 0; i < ivarCount; i++) {
+            const char *ivarName = ivar_getName(ivars[i]);
+            if (ivarName) {
+                NSString *ivarNameString = [NSString stringWithUTF8String:ivarName];
+                if ([ivarNameString isEqualToString:propertyName] ||
+                    [ivarNameString isEqualToString:[@"_" stringByAppendingString:propertyName]]) {
+                    NSObject *value = object_getIvar(object, ivars[i]);
+                    if (value) {
+                        free(ivars);
+                        return value;
+                    }
+                }
+            }
+        }
+
+        free(ivars);
+        objectClass = class_getSuperclass(objectClass);
+    }
+
+    return nil;
+}
+
+@end

detox/test/ios/example.xcodeproj/project.pbxproj

@@ -25,11 +25,11 @@
 		60A403A92D21EAE3004344C3 /* UIViewController+Shake.swift in Sources */ = {isa = PBXBuildFile; fileRef = 60A403A82D21EADE004344C3 /* UIViewController+Shake.swift */; };
 		60A403AA2D21EAE3004344C3 /* UIViewController+Shake.swift in Sources */ = {isa = PBXBuildFile; fileRef = 60A403A82D21EADE004344C3 /* UIViewController+Shake.swift */; };
 		60FDFD722D2E9EC400804B82 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD6E2D2E9EC400804B82 /* AppDelegate.m */; };
-		60FDFD742D2E9EC400804B82 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD6E2D2E9EC400804B82 /* AppDelegate.m */; };
 		60FDFD762D2E9ED500804B82 /* AppDelegate+OverlayView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD752D2E9ED500804B82 /* AppDelegate+OverlayView.swift */; };
 		60FDFD772D2E9ED500804B82 /* AppDelegate+OverlayView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD752D2E9ED500804B82 /* AppDelegate+OverlayView.swift */; };
 		60FDFD932D2EAF5300804B82 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD922D2EAF5300804B82 /* main.m */; };
 		60FDFD942D2EAF5300804B82 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD922D2EAF5300804B82 /* main.m */; };
+		7D2B472D2E8958A0002EA9EF /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 60FDFD6E2D2E9EC400804B82 /* AppDelegate.m */; };
 		81AB9BB82411601600AC10FF /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */; };
 		90CCD0BA1322566EB1285DC2 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB81A68108700A75B9A /* PrivacyInfo.xcprivacy */; };
 		96E5C284421F3B8DEE84764F /* libPods-example-ci.a in Frameworks */ = {isa = PBXBuildFile; fileRef = AB365D90AFEA3B194709EC80 /* libPods-example-ci.a */; };
@@ -511,10 +511,10 @@
 			files = (
 				60FDFD942D2EAF5300804B82 /* main.m in Sources */,
 				60A403AA2D21EAE3004344C3 /* UIViewController+Shake.swift in Sources */,
+				7D2B472D2E8958A0002EA9EF /* AppDelegate.m in Sources */,
 				6051227F2D356C5900781AE2 /* ShakeEventEmitter.m in Sources */,
 				608868AB2D1AA19B0070D199 /* NativeScreenManager.swift in Sources */,
 				608868D32D1D696E0070D199 /* OverlayMessageView.swift in Sources */,
-				60FDFD742D2E9EC400804B82 /* AppDelegate.m in Sources */,
 				60FDFD762D2E9ED500804B82 /* AppDelegate+OverlayView.swift in Sources */,
 				6051227C2D356C3B00781AE2 /* NativeModule.m in Sources */,
 				608868B22D1AA1FB0070D199 /* CustomKeyboardDelegate.swift in Sources */,