iOS

// ViewController.m
#import "ViewController.h"
#import "YourProjectName-Swift.h" // <- This import exposes your Swift file

@interface ViewController ()
@property (nonatomic, strong) SDKLoginManager *loginManager;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Initialize the SDK manager
    self.loginManager = [[SDKLoginManager alloc] initWithApiKey:@"your-api-key"];
}

- (void)performLogin {
    [self.loginManager loginWithUserId:@"user-123" 
                           displayName:@"John Doe" 
                             authToken:@"your-auth-token" 
                            completion:^(BOOL isSuccess, NSError * _Nullable error) {
        
        dispatch_async(dispatch_get_main_queue(), ^{
            if (isSuccess) {
                NSLog(@"Login successful");
                // Navigate to main app
                [self showMainApp];
            } else {
                NSLog(@"Login failed: %@", error.localizedDescription);
                // Show error message
                [self showErrorAlert:error.localizedDescription];
            }
        });
    }];
}

- (void)performLogout {
    [self.loginManager logout];
    NSLog(@"User logged out");
}

- (void)checkLoginStatus {
    if ([self.loginManager isLoggedIn]) {
        NSString *userId = [self.loginManager getCurrentUserId];
        NSLog(@"User is logged in: %@", userId);
    } else {
        NSLog(@"User is not logged in");
    }
}

// Helper methods
- (void)showMainApp {
    // Your navigation logic here
}

- (void)showErrorAlert:(NSString *)message {
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Login Error"
                                                                   message:message
                                                            preferredStyle:UIAlertControllerStyleAlert];
    
    UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"OK"
                                                       style:UIAlertActionStyleDefault
                                                     handler:nil];
    [alert addAction:okAction];
    
    [self presentViewController:alert animated:YES completion:nil];
}

@end