googleLogin(){

var provider = new firebase.auth.GoogleAuthProvider();
var profile = firebase.auth().currentUser;

provider.addScope('https://www.googleapis.com/auth/contacts.readonly');
provider.addScope('https://www.googleapis.com/auth/userinfo.email');

  if (!profile) {
    alert('came inside if !gres');
      setTimeout(this.afauth.auth.signInWithRedirect(provider),5000);
          console.log('--------gsignres--------');

    firebase.auth().getRedirectResult().then((gsignres) => {

        if(gsignres.user == null){
          alert('redirect success!');
        } else{
          alert('Sign in Failed!');
        }


      }).catch((err) => {
        alert(err);
      });

  } else {
    alert('else part of if');
    this.navCtrl.setRoot(HomePage);
    alert('root set!!!!');
  }