how to use line firebase authenticator

To use Firebase Authentication in Objective-C, you can follow these steps:

  1. Install the Firebase Authentication SDK by adding it to your project's Podfile and running pod install. Here's an example of how to add the Firebase/Auth pod to your Podfile: target 'YourProjectName' do pod 'Firebase/Auth' end

  2. Import the Firebase module in your Objective-C file: objective-c #import <Firebase/Firebase.h>

  3. Configure Firebase in your app delegate's didFinishLaunchingWithOptions method: ```objective-c

  4. (BOOL)application:(UIApplication )application didFinishLaunchingWithOptions:(NSDictionary )launchOptions { [FIRApp configure]; // Other app setup code return YES; } ```

  5. Use the Firebase Authentication API to sign up, sign in, and manage user authentication. Here are some examples of common authentication tasks:

  6. Creating a new user with an email and password: objective-c [[FIRAuth auth] createUserWithEmail:@"[email protected]" password:@"password" completion:^(FIRAuthDataResult _Nullable authResult, NSError _Nullable error) { if (error) { NSLog(@"Error creating user: %@", error.localizedDescription); } else { NSLog(@"User created successfully!"); } }];

  7. Signing in a user with an email and password: objective-c [[FIRAuth auth] signInWithEmail:@"[email protected]" password:@"password" completion:^(FIRAuthDataResult _Nullable authResult, NSError _Nullable error) { if (error) { NSLog(@"Error signing in: %@", error.localizedDescription); } else { NSLog(@"User signed in successfully!"); } }];

  8. Signing out the current user: objective-c NSError *signOutError; BOOL success = [[FIRAuth auth] signOut:&signOutError]; if (!success) { NSLog(@"Error signing out: %@", signOutError.localizedDescription); } else { NSLog(@"User signed out successfully!"); }

These are just a few examples of what you can do with Firebase Authentication. You can find more information and examples in the Firebase documentation.

That's it! You can now use Firebase Authentication in your Objective-C app to handle user authentication. Let me know if you have any further questions.

Source: Firebase Documentation - Authentication: https://firebase.google.com/docs/auth/ios/start