Ionic Runtime Error ( A network error)

Question

Hello I have this problem and i don't know how to solve it. A network error (such as timeout, interrupted connection or unreachable host) has occurred. I read Install cordova-plugin-whitelist might fix the problem but the same error still occurs. Any ideas on how to fix it ?

Answer 1

Under Ionic +4 and firebase +5 import firebase as

import firebase from 'firebase/app'; 

Importing firebase as the following will create the Runtime Error ( A network error)

import firebase from 'firebase'

Don't forget to rebuild the project

Answer 2

i had to enable the sign in method from the firebase console under authentication.