Question 1

How to set up react-native-facebook-login on Android?

Accepted Answer

Follow the Android setup instructions in the README, which involve linking the library and configuring the Facebook SDK manually. However, since the project is unmaintained, you might encounter issues with newer React Native or Android versions.

Question 2

React native facebook login vs react-native-fbsdk: which should I use?

Accepted Answer

react-native-fbsdk is the official, maintained library by Facebook and is generally preferred. This project is deprecated, so for new apps, react-native-fbsdk offers better support and updates, though setup may still require native integration.

Question 3

How to handle Facebook login errors in React Native with this library?

Accepted Answer

Use the onError prop in the FBLogin component or subscribe to FBLoginManager.Events for error events, as shown in the example code. This allows custom error logging or user notifications, but documentation is sparse.

Question 4

Why does react-native-facebook-login need Xcode changes for iOS?

Accepted Answer

It wraps native iOS SDKs, so you must manually link Facebook frameworks and modify AppDelegate.m to handle Facebook callbacks, as per the setup guide. This is typical for native modules but adds complexity compared to newer solutions.

Question 5

Is react-native-facebook-login compatible with Expo?

Accepted Answer

No, it requires native code integration, so it won't work with Expo's managed workflow. You'd need to eject to a bare React Native project, which defeats Expo's simplicity and might not be worth it given the library's deprecated status.

Question 6

How to customize the Facebook login button appearance in React Native?

Accepted Answer

You can style the FBLogin component with inline styles or use the FBLoginManager for a custom UI, but the native button's look is limited by Facebook's SDK guidelines, and the README provides minimal styling examples.

react-native-facebook-login

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