HuiYanOsConfig *config = [[HuiYanOsConfig alloc] init];
config.languageType = HY_DEFAULT;

// The left side is the Key used by the SDK, and the right side is the translation content in the target language.
"Verifi_OK" = "OK";
"Verifi_exit" = "Exit";
// ... For the remaining Keys, refer to the Localizable file in the delivery package.

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

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

// Set the text color for operation error prompts
config.feedBackErrorColor = 0xFF584C;
// Set the text color for operation success prompts
config.feedBackTxtColor = 0xFF0000;
// Set the color of the circular frame for operation error prompts
config.authCircleErrorColor = 0xFF584C;
// Set the color of the circular frame for correct operations
config.authCircleCorrectColor = 0x29CC85;
// Set the background color of the recognition page
config.authLayoutBgColor = 0xFFFFFF;
// Set the font and size of the prompt text
config.feedBackTxtFont = [UIFont systemFontOfSize:18];
// Set the font and size of other prompt text
config.feedbackExtraTxtFont = [UIFont systemFontOfSize:18];
// Set the countdown text color
config.countDownTxtColor = 0xFFFFFF;
// Set the text color of the Cancel button
config.cancelTxtColor = 0xFFFFFF;
// Set whether to display the internal dialog box, default is YES
config.isShowDialog = YES;
// Set whether to hide the identity verification avatar guidance box, default is NO
config.isHideAvatarGuideFrame = NO;

HuiYanOsConfig *config = [[HuiYanOsConfig alloc] init];
config.delegate = self; // Implements the HuiYanOverseasDelegate protocol

// HuiYanOverseasDelegate protocol methods
@protocol HuiYanOverseasDelegate <NSObject>
@required
/// Callback when the identity verification main interface is displayed, where authView is the root view presented by the SDK
- (void)onMainViewCreate:(UIView *)authView;
@optional
/// Callback when the identity verification interface is removed.
- (void)onMainViewDestroy;
@end

@interface ViewController ()<HuiYanOverseasDelegate>
@end

@implementation ViewController

- (void)onMainViewCreate:(UIView *)authView {
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 100, 200, 30)];
    label.backgroundColor = [UIColor blackColor];
    label.textColor = [UIColor yellowColor];
    label.text = @"Custom Label";
    label.font = [UIFont systemFontOfSize:16];
    label.textAlignment = NSTextAlignmentCenter;
    [authView addSubview:label];
}

- (void)onMainViewDestroy {
    NSLog(@"huiyan face vc destroy");
}

@end

- (void)onMainViewCreate:(UIView *)authView {
    // Modify the cancel button icon
    UIButton *cancelButton = (UIButton *)[authView viewWithTag:101];
    UIImage *backImage = [UIImage systemImageNamed:@"chevron.left"];
    [cancelButton setImage:backImage 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 = 16.0;
            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 background color
    UIView *navBarView = [authView viewWithTag:200];
    navBarView.backgroundColor = [UIColor colorWithRed:0.05 green:0.05 blue:0.1 alpha:1.0];

    // Add a custom title to the Virtual Navigation Bar
    CGFloat statusBarHeight = [UIApplication sharedApplication].statusBarFrame.size.height;
    CGRect frame = CGRectMake(0, statusBarHeight, navBarView.bounds.size.width, navBarView.bounds.size.height - statusBarHeight);
    UILabel *titleLabel = [[UILabel alloc] initWithFrame:frame];
    titleLabel.text = @"Custom Title";
    titleLabel.textColor = [UIColor whiteColor];
    titleLabel.textAlignment = NSTextAlignmentCenter;
    [navBarView addSubview:titleLabel];
}

demo/
└── UserUIBundle/
    └── TXYOsAuthingViewController.xib   # Liveness Verification Main Page

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

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

HuiYanOsConfig *config = [[HuiYanOsConfig alloc] init];
config.authLicense = [[NSBundle mainBundle] pathForResource:@"license" ofType:@""];

// --- Custom UI ---
// Bundle path (required)
config.huiyanSdkUIBundlePath = [[NSBundle mainBundle] pathForResource:@"HuiYanSDKUI" ofType:@"bundle"];
config.faceTrackerBundlePath = [[NSBundle mainBundle] pathForResource:@"face-tracker-v003" ofType:@"bundle"];
// Custom UI Bundle (optional)
config.userUIBundlePath = [[NSBundle mainBundle] pathForResource:@"UserUIBundle" ofType:@"bundle"];
// Code-level style fine-tuning (optional)
config.feedBackErrorColor = 0xFF584C;
config.authCircleCorrectColor = 0x29CC85;
// Implement the delegate to listen to UI events (optional)
config.delegate = self;

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

// Start verification
[[HuiYanOSKit sharedInstance] startHuiYaneKYC:@"your-face-token"
                                    withConfig:config
                               withSuccessCallback:^(HuiYanOsAuthResult *authResult, id reserved) {
    // Verification successful. Use authResult.faceToken to query the result
} withFailCallback:^(int errCode, NSString *errMsg, id reserved) {
    // Verification failed. Error code HY_BUNDLE_CONFIGURATION_EXCEPTION(307) indicates an exception in the Bundle path configuration.
}];

// Old syntax (v1.0.9.10 and below)
config.userUIBundleName = @"UserUIBundle";
config.userLanguageBundleName = @"UserLanguageBundle";

// New syntax (v1.0.9.11 and above)
config.userUIBundlePath = [[NSBundle mainBundle] pathForResource:@"UserUIBundle" ofType:@"bundle"];
config.languageBundlePath = [[NSBundle mainBundle] pathForResource:@"UserLanguageBundle" ofType:@"bundle"];