VerificationConfig *config = [[VerificationConfig alloc] init];
config.languageType = HY_EKYC_ZH_HANS;

VerificationConfig *config = [[VerificationConfig alloc] init];
// 1. Enable custom language mode
config.languageType = HY_EKYC_CUSTOMIZE_LANGUAGE;
// 2. Specify the absolute path to the Bundle
config.userLanguageBundlePath = [[NSBundle mainBundle] pathForResource:@"UserLanguageBundle" ofType:@"bundle"];
// 3. Specify the language folder name
config.userLanguageFileName = @"ja.lproj";

OcrCustomConfig *ocrConfig = [[OcrCustomConfig alloc] init];
ocrConfig.rectNormalColor  = [UIColor whiteColor];   // Normal color for the recognition frame
ocrConfig.rectErrorColor   = [UIColor redColor];     // Error color for the recognition frame
ocrConfig.rectPassColor    = [UIColor greenColor];   // Pass color for the recognition frame
ocrConfig.tipsNormalColor  = [UIColor whiteColor];   // Normal color for the prompt text
ocrConfig.tipsErrorColor   = [UIColor redColor];     // Error color for the prompt text
ocrConfig.tipsPassColor    = [UIColor greenColor];   // Pass color for the prompt text
ocrConfig.tipsFont         = [UIFont systemFontOfSize:14]; // Font for the prompt text
ocrConfig.rectScaleX       = 0.03;   // Horizontal margin ratio for the recognition frame (0.0~0.15)
ocrConfig.rectTopMarginScale = 0.28; // Top margin ratio for the recognition frame (only effective in portrait mode)
ocrConfig.isShowTips       = YES;    // Show prompt text
ocrConfig.tipsShowText     = nil;    // Custom prompt text (when set to nil, the SDK default text will be displayed.)

VerificationConfig *config = [[VerificationConfig alloc] init];
config.ocrCustomConfig = ocrConfig;

FaceCustomConfig *faceConfig = [[FaceCustomConfig alloc] init];
faceConfig.backgroundColor       = [UIColor blackColor]; // Background color
faceConfig.tipsTextColor         = [UIColor whiteColor]; // Prompt text color
faceConfig.tipsTextErrorColor    = UIColorFromRGB(0xFF3B30); // Error state color for the prompt text
faceConfig.tipsTextFont          = [UIFont systemFontOfSize:16]; // Font for the prompt text
faceConfig.faceCircleErrorColor  = UIColorFromRGB(0xFF3B30); // Error state color for the face frame
faceConfig.faceCircleCorrectColor = UIColorFromRGB(0x34C759); // Correct state color for the face frame
faceConfig.countDownTextColor    = [UIColor whiteColor]; // Countdown text color
faceConfig.cancelButtonTextColor = [UIColor whiteColor]; // Cancel button text color

VerificationConfig *config = [[VerificationConfig alloc] init];
config.faceCustomConfig = faceConfig;

VerificationConfig *config = [[VerificationConfig alloc] init];
config.delegate = self; // Implements the VerificationDelegate protocol

// Methods of the VerificationDelegate protocol
@protocol VerificationDelegate <NSObject>
@optional
/// Callback when the OCR interface is displayed, where authView is the root view presented by the SDK
- (void)ocrMainViewCreate:(UIView *)authView;
/// Callback when the OCR interface is removed
- (void)ocrMainViewDestroy;
/// Callback when the selfie verification interface is displayed, authView is the root view presented by the SDK.
- (void)faceMainViewCreate:(UIView *)authView;
/// Callback when the selfie verification interface is removed
- (void)faceMainViewDestroy;
@end

@interface ViewController ()<VerificationDelegate>
@end
@implementation ViewController

// OCR interface creation callback
- (void)ocrMainViewCreate:(UIView *)authView {
    [self addCustomLabel:authView];
}

// Callback when the OCR interface is reclaimed
- (void)ocrMainViewDestroy {
    NSLog(@"ekyc ocr vc destroy");
}

// Callback upon creation of the selfie verification interface
- (void)faceMainViewCreate:(UIView *)authView {
    [self addCustomLabel:authView];
}

// Callback when the selfie verification interface is reclaimed
- (void)faceMainViewDestroy {
    NSLog(@"ekyc face vc destroy");
}

- (void)addCustomLabel:(UIView *)authView {
    UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(0, 100, 100, 30)];
    label.backgroundColor = [UIColor blackColor];
    label.textColor = [UIColor yellowColor];
    label.text = @"This is a newly added control";
    label.font = [UIFont systemFontOfSize:20];
    label.textAlignment = NSTextAlignmentCenter;
        [authView addSubview:label];
}
@end


// Callback upon creation of the selfie verification interface
- (void)faceMainViewCreate:(UIView *)authView {
    // Modify the text color and font of the Cancel button
    UIButton *cancelButton = (UIButton *)[authView viewWithTag:101];
    [cancelButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    [cancelButton setTitle:@"" forState:UIControlStateNormal];
    cancelButton.titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
  
  	// Modify the image of the Cancel button
  	UIImage *originalImage = [UIImage systemImageNamed:@"chevron.left"];
    [cancelButton setImage:originalImage forState:UIControlStateNormal];
  
  	// Modify the leading left margin constraint of the Cancel button
		for (NSLayoutConstraint *constraint in cancelButton.superview.constraints) {
				if ((constraint.firstItem == cancelButton && constraint.firstAttribute == NSLayoutAttributeLeading) ||
					 (constraint.secondItem == cancelButton && constraint.secondAttribute == NSLayoutAttributeLeading)) {
						constraint.constant = 0.0;
						break;
				}
     }


    // Modify the countdown Tag color and font
    UILabel *timeoutLabel = (UILabel *)[authView viewWithTag:102];
    timeoutLabel.textColor = [UIColor whiteColor];
    timeoutLabel.font = [UIFont systemFontOfSize:15];
  
    // Modify the Virtual Navigation Bar color (applicable to Liveness Face Comparison Mode and Liveness Face Detection Mode only)
    UIView *navBarView = [authView viewWithTag:200];
    navBarView.backgroundColor = [UIColor redColor];
  
    // Add navigation bar title (applicable to Identity Verification Mode and Selfie Verification Mode only)
		CGFloat statusBarHeight = [UIApplication sharedApplication].statusBarFrame.size.height;
		CGRect frame = CGRectMake(0, statusBarHeight, navBarView.bounds.size.width, navBarView.bounds.size.height - statusBarHeight);
		UILabel *label = [[UILabel alloc]initWithFrame:frame];
		label.text = @"Custom Title";
		label.textColor = [UIColor blackColor];
		label.textAlignment = NSTextAlignmentCenter;
		[navBarView addSubview:label];
}


demo/
└── UserUIBundle/
    ├── TXYOsAuthingViewController.xib   # liveness face comparison page
    └── CustOcrView.xib                  # ID document recognition page

VerificationConfig *config = [[VerificationConfig alloc] init];

// Specify the absolute path to the custom UI Bundle
config.userUIBundlePath = [[NSBundle mainBundle] pathForResource:@"UserUIBundle" ofType:@"bundle"];

VerificationConfig *config = [[VerificationConfig alloc] init];
config.licPath    = @"/path/to/license.lic";
config.ekycToken  = @"your-ekyc-token";

// --- Custom UI ---
config.userUIBundlePath = [[NSBundle mainBundle] pathForResource:@"UserUIBundle" ofType:@"bundle"];
config.delegate = self;  // Optional: Implement VerificationDelegate to listen to UI events

// Code-level style fine-tuning (Optional; use when you don't need to modify XIB files)
config.ocrCustomConfig.rectNormalColor = [UIColor colorWithWhite:1.0 alpha:0.8];
config.faceCustomConfig.backgroundColor = [UIColor colorWithRed:0.1 green:0.1 blue:0.1 alpha:1.0];

// --- Custom Multilingual ---
config.languageType = HY_EKYC_CUSTOMIZE_LANGUAGE;
config.userLanguageBundlePath = [[NSBundle mainBundle] pathForResource:@"UserLanguageBundle" ofType:@"bundle"];
config.userLanguageFileName = @"ja.lproj";

// Start verification
VerificationKit *kit = [[VerificationKit alloc] init];
[kit initWithViewController:self];
[kit startVerifiWithConfig:config withSuccCallback:^(int errorCode, id resultInfo, id reserved) {
    // Verification successful
} withFailCallback:^(int errorCode, NSString *errorMsg, id reserved) {
    // Verification failed. Error code 311 indicates an exception in the Bundle path configuration.
}];

// Old syntax (v1.0.1.4 and below)
config.userUIBundleName = @"UserUIBundle";
config.userLanguageBundleName = @"UserLanguageBundle";

// New syntax (v1.0.1.5 and above)
config.userUIBundlePath = [[NSBundle mainBundle] pathForResource:@"UserUIBundle" ofType:@"bundle"];
config.userLanguageBundlePath = [[NSBundle mainBundle] pathForResource:@"UserLanguageBundle" ofType:@"bundle"];