GoogleSignin.signIn().then((user) => { 
        if (user){
            console.log('google sign user:' + user);
            const credential = firebase.auth.GoogleAuthProvider.credential(user.idToken, user.accessToken)
            firebase.auth().signInWithCredential(credential)
                .then((result) => {
                    console.log('LOGGED using firebase! ' , result)
                })
                .catch((error) => {
                    console.log('Firebase auth error ', error)
                })
        } else {
            console.log("Cancelled google signin");
        }
    })
    .catch((err) => {
        console.log('WRONG SIGNIN', err);
    }).done();

componentDidMount () {
        GoogleSignin.hasPlayServices({ autoResolve: true})
            .then( () => {
            GoogleSignin.configure({
                offlineAccess: false,
            })
            .then(()=> {
                GoogleSignin.currentUserAsync().then((user) => {
                console.log('Google USER in did mount: ', user);
                this.setState({ user: user})
                }).done();
            })
        })
        .catch((err) => {
            console.log("Play services error: Error code(",err.code +") Error Message(", err.message + (")"))
        })