angular firebase login code example

Example 1: add firebase angular

npm install firebase @angular/fire

Example 2: firebase sign out

Future<Null> _signOut() async {
    await _auth.signOut();
    this.setState(() {
      isLoading = false;
    });
    Navigator.of(context).pushAndRemoveUntil(
        MaterialPageRoute(builder: (context) => MyApp()),
        (Route<dynamic> route) => false);
  }