Pros of react-native

• Broader scope and functionality for general React Native development
• More active development and community support
• Regularly updated with new features and improvements

Cons of react-native

• Larger codebase and potentially more complex setup
• Not specifically optimized for Facebook SDK integration
• May require additional configuration for Facebook-specific features

Code comparison

react-native:

import React from 'react';
import { View, Text } from 'react-native';

const App = () => (
  <View>
    <Text>Hello, React Native!</Text>
  </View>
);

react-native-fbsdk:

import React from 'react';
import { LoginButton, AccessToken } from 'react-native-fbsdk';

const FacebookLogin = () => (
  <LoginButton
    onLoginFinished={(error, result) => {
      if (error) {
        console.log("login has error: " + result.error);
      } else if (result.isCancelled) {
        console.log("login is cancelled.");
      } else {
        AccessToken.getCurrentAccessToken().then(
          (data) => {
            console.log(data.accessToken.toString());
          }
        )
      }
    }}
  />
);

The react-native repository provides a comprehensive framework for building mobile applications using React, while react-native-fbsdk focuses specifically on integrating Facebook SDK functionality into React Native apps. The former offers more flexibility and a wider range of features, while the latter simplifies Facebook-specific implementations.

Pros of react-native-firebase

• Comprehensive Firebase integration: Offers a wide range of Firebase services, including Authentication, Firestore, Cloud Functions, and more
• Active development and community support: Regularly updated with new features and bug fixes
• Modular architecture: Allows developers to import only the needed Firebase modules, reducing app size

Cons of react-native-firebase

• Steeper learning curve: More complex setup and configuration process compared to react-native-fbsdk
• Potential performance overhead: Integrating multiple Firebase services may impact app performance

Code Comparison

react-native-firebase:

import auth from '@react-native-firebase/auth';

auth()
  .signInWithEmailAndPassword(email, password)
  .then(() => console.log('User signed in!'));

react-native-fbsdk:

import { LoginManager } from 'react-native-fbsdk';

LoginManager.logInWithPermissions(['public_profile']).then(
  (result) => {
    if (result.isCancelled) {
      console.log('Login cancelled');
    } else {
      console.log('Login success');
    }
  }
);

Pros of google-signin

• More active development and maintenance
• Better documentation and examples
• Simpler setup process for Google Sign-In

Cons of google-signin

• Limited to Google Sign-In functionality only
• May require additional libraries for other social login options

Code Comparison

react-native-fbsdk:

import { LoginManager } from 'react-native-fbsdk';

LoginManager.logInWithPermissions(['public_profile']).then(
  function(result) {
    if (result.isCancelled) {
      console.log('Login cancelled');
    } else {
      console.log('Login success with permissions: ' + result.grantedPermissions.toString());
    }
  },
  function(error) {
    console.log('Login fail with error: ' + error);
  }
);

google-signin:

import { GoogleSignin, statusCodes } from '@react-native-google-signin/google-signin';

try {
  await GoogleSignin.hasPlayServices();
  const userInfo = await GoogleSignin.signIn();
  console.log(userInfo);
} catch (error) {
  if (error.code === statusCodes.SIGN_IN_CANCELLED) {
    // user cancelled the login flow
  } else if (error.code === statusCodes.IN_PROGRESS) {
    // operation (e.g. sign in) is in progress already
  } else if (error.code === statusCodes.PLAY_SERVICES_NOT_AVAILABLE) {
    // play services not available or outdated
  } else {
    // some other error happened
  }
}

The google-signin library offers a more straightforward and modern approach to implementing Google Sign-In, with better error handling and async/await support. The react-native-fbsdk library provides a callback-based approach for Facebook login, which may be less intuitive for developers used to working with Promises or async/await syntax.

Pros of google-signin

• More active development and maintenance
• Better documentation and examples
• Simpler setup process for Google Sign-In

Cons of google-signin

• Limited to Google Sign-In functionality only
• May require additional libraries for other social login options

Code Comparison

react-native-fbsdk:

import { LoginManager } from 'react-native-fbsdk';

LoginManager.logInWithPermissions(['public_profile']).then(
  function(result) {
    if (result.isCancelled) {
      console.log('Login cancelled');
    } else {
      console.log('Login success with permissions: ' + result.grantedPermissions.toString());
    }
  },
  function(error) {
    console.log('Login fail with error: ' + error);
  }
);

google-signin:

import { GoogleSignin, statusCodes } from '@react-native-google-signin/google-signin';

try {
  await GoogleSignin.hasPlayServices();
  const userInfo = await GoogleSignin.signIn();
  console.log(userInfo);
} catch (error) {
  if (error.code === statusCodes.SIGN_IN_CANCELLED) {
    // user cancelled the login flow
  } else if (error.code === statusCodes.IN_PROGRESS) {
    // operation (e.g. sign in) is in progress already
  } else if (error.code === statusCodes.PLAY_SERVICES_NOT_AVAILABLE) {
    // play services not available or outdated
  } else {
    // some other error happened
  }
}

The google-signin library offers a more straightforward and modern approach to implementing Google Sign-In, with better error handling and async/await support. The react-native-fbsdk library provides a callback-based approach for Facebook login, which may be less intuitive for developers used to working with Promises or async/await syntax.

Pros of facebook-ios-sdk

• Native iOS development, offering better performance and deeper system integration
• More comprehensive and up-to-date SDK for iOS-specific features
• Direct support from Facebook, ensuring timely updates and bug fixes

Cons of facebook-ios-sdk

• Limited to iOS platform, lacking cross-platform compatibility
• Steeper learning curve for developers not familiar with iOS development
• Requires separate implementation for Android apps

Code Comparison

react-native-fbsdk:

import { LoginButton, AccessToken } from 'react-native-fbsdk';

<LoginButton
  onLoginFinished={(error, result) => {
    if (error) {
      console.log("login has error: " + result.error);
    } else if (result.isCancelled) {
      console.log("login is cancelled.");
    } else {
      AccessToken.getCurrentAccessToken().then(
        (data) => {
          console.log(data.accessToken.toString())
        }
      )
    }
  }}
/>

facebook-ios-sdk:

import FBSDKLoginKit

let loginButton = FBLoginButton()
loginButton.center = view.center
view.addSubview(loginButton)

if let token = AccessToken.current {
    print("User is logged in")
} else {
    print("User is not logged in")
}

The react-native-fbsdk allows for cross-platform development using React Native, while facebook-ios-sdk provides native iOS implementation with potentially better performance and deeper system integration. The choice between the two depends on the project requirements, target platforms, and development team expertise.