Error : FacebookSDK has not been initialized yet using react native

Question

So I am trying to add a facebook sign up connect to firebase to my react-native application and expo keep telling me this error . I dont really know what to do because I thought that Facebook SDK was auto initialized on Application start.

This is my Sign In function.

Answer 1

According to the documentation: https://docs.expo.io/versions/latest/sdk/facebook/, you need to initialize the SDK with this function:

Facebook.initializeAsync(appId: string | undefined, appName: string | undefined): Promise<void>

Calling this method ensures that the SDK is initialized. You have to call this method before calling logInWithReadPermissionsAsync to ensure that Facebook support is initialized properly.

You should call this method in your App.js or any top level component.