step-1 install the library using following command
npm install facebook-login-service
import the file containg environment variables in app.module.ts, and add it to the providers list providers: [
... ,
{ provide: "environment", useValue: environment }
] ./src/environments/environment.ts
export const environment = { production: false, clientID: { facebook: "Facebook_APP_ID", },
};
Facebook_APP_ID: Fill the ID by Regestring your project on facebook for developers
step-2 import our service in the components
import { FacebookLoginServiceService } from 'facebook-login-service'
create service instance with constructor
constructor( private FacebookLoginServiceService: FacebookLoginServiceService ) {}
Create some function like signIn and in this we call facebook login function. ************Example:********** signIn() { this.FacebookLoginServiceService.signInWithFacebook().then(data => { this.userData = data; }); }
signout() { if (this.FacebookLoginServiceService.signout()) { this.userData = ""; } else { } }