FirebaseUser user = firebaseAuth.getCurrentUser();

if (user != null) {

// User is signed in

Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid());

} else {

// User is signed out

Log.d(TAG, "onAuthStateChanged:signed_out");

}

// [START_EXCLUDE]

updateUI(user);

// [END_EXCLUDE]

super.onStop();

if (mAuthListener != null) {

mAuth.removeAuthStateListener(mAuthListener);

}

super.onActivityResult(requestCode, resultCode, data);

// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);

if (requestCode == RC_SIGN_IN) {

GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);

if (result.isSuccess()) {

// Google Sign In was successful, authenticate with Firebase

GoogleSignInAccount account = result.getSignInAccount();

firebaseAuthWithGoogle(account);

} else {

// Google Sign In failed, update UI appropriately

// [START_EXCLUDE]

updateUI(null);

// [END_EXCLUDE]

}

}

Log.d(TAG, "firebaseAuthWithGoogle:" + acct.getId());

// [START_EXCLUDE silent]

showProgressDialog();

// [END_EXCLUDE]

AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);

mAuth.signInWithCredential(credential)

.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {

@Override

public void onComplete(@NonNull Task<AuthResult> task) {

Log.d(TAG, "signInWithCredential:onComplete:" + task.isSuccessful());

// If sign in fails, display a message to the user. If sign in succeeds

// the auth state listener will be notified and logic to handle the

// signed in user can be handled in the listener.

if (!task.isSuccessful()) {

Log.w(TAG, "signInWithCredential", task.getException());

Toast.makeText(GoogleSignInActivity.this, "Authentication failed.",

Toast.LENGTH_SHORT).show();

}

// [START_EXCLUDE]

hideProgressDialog();

// [END_EXCLUDE]

}

});

// Firebase sign out

mAuth.signOut();

// Google sign out

Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(

new ResultCallback<Status>() {

@Override

public void onResult(@NonNull Status status) {

updateUI(null);

}

});

hideProgressDialog();

String Email=user.getEmail();

String Uid= user.getUid();

// An unresolvable error has occurred and Google APIs (including Sign-In) will not

// be available.

Log.d(TAG, "onConnectionFailed:" + connectionResult);

Toast.makeText(this, "Google Play Services error.", Toast.LENGTH_SHORT).show();

if (mProgressDialog == null) {

mProgressDialog = new ProgressDialog(this);

mProgressDialog.setMessage(getString(R.string.loading));

mProgressDialog.setIndeterminate(true);

}

mProgressDialog.show();

if (mProgressDialog != null && mProgressDialog.isShowing()) {

mProgressDialog.dismiss();

}