game_cocos_2c/native/engine/ios/service/CocosIOSPlatformBridge.mm

#import "CocosIOSPlatformBridge.h"
#import <UIKit/UIKit.h>

@implementation CocosIOSPlatformBridge

+ (nullable NSString *)getDeviceID {
    // Do not persist IDFV in backed-up storage: a restored backup can belong to
    // another device. Always obtain this device's identifier from the OS.
    return UIDevice.currentDevice.identifierForVendor.UUIDString;
}

@end