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hussienalrubaye
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firebase auth
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‎Firebase_PlayServices_auth.java

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// login firebase with play services
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//1-- add to gradle
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compile 'com.google.firebase:firebase-auth:9.6.1'
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compile 'com.google.android.gms:play-services-auth:9.6.1'
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//1- extend
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GoogleApiClient.OnConnectionFailedListener
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//2 - define in public
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private static final String TAG = "GoogleActivity";
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private static final int RC_SIGN_IN = 9001;
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// [START declare_auth]
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private FirebaseAuth mAuth;
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// [END declare_auth]
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// [START declare_auth_listener]
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private FirebaseAuth.AuthStateListener mAuthListener;
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// [END declare_auth_listener]
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private GoogleApiClient mGoogleApiClient;
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//3- onCreate add
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// [START config_signin]
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// Configure Google Sign In
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GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
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.requestIdToken(getString(R.string.default_web_client_id))
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.requestEmail()
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.build();
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// [END config_signin]
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mGoogleApiClient = new GoogleApiClient.Builder(this)
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.enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
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.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
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.build();
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// [START initialize_auth]
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mAuth = FirebaseAuth.getInstance();
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// [END initialize_auth]
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// [START auth_state_listener]
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mAuthListener = new FirebaseAuth.AuthStateListener() {
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@Override
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public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
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FirebaseUser user = firebaseAuth.getCurrentUser();
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if (user != null) {
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// User is signed in
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Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid());
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} else {
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// User is signed out
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Log.d(TAG, "onAuthStateChanged:signed_out");
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}
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// [START_EXCLUDE]
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updateUI(user);
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// [END_EXCLUDE]
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}
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};
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// [END auth_state_listener]
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//4 deine this methods
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// [START on_start_add_listener]
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@Override
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public void onStart() {
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super.onStart();
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mAuth.addAuthStateListener(mAuthListener);
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}
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// [END on_start_add_listener]
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// [START on_stop_remove_listener]
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@Override
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public void onStop() {
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super.onStop();
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if (mAuthListener != null) {
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mAuth.removeAuthStateListener(mAuthListener);
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}
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}
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// [END on_stop_remove_listener]
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// [START onactivityresult]
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
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if (requestCode == RC_SIGN_IN) {
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GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
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if (result.isSuccess()) {
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// Google Sign In was successful, authenticate with Firebase
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GoogleSignInAccount account = result.getSignInAccount();
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firebaseAuthWithGoogle(account);
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} else {
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// Google Sign In failed, update UI appropriately
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// [START_EXCLUDE]
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updateUI(null);
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// [END_EXCLUDE]
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}
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}
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}
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// [END onactivityresult]
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// [START auth_with_google]
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private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
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Log.d(TAG, "firebaseAuthWithGoogle:" + acct.getId());
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// [START_EXCLUDE silent]
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showProgressDialog();
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// [END_EXCLUDE]
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AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
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mAuth.signInWithCredential(credential)
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.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
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@Override
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public void onComplete(@NonNull Task<AuthResult> task) {
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Log.d(TAG, "signInWithCredential:onComplete:" + task.isSuccessful());
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// If sign in fails, display a message to the user. If sign in succeeds
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// the auth state listener will be notified and logic to handle the
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// signed in user can be handled in the listener.
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if (!task.isSuccessful()) {
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Log.w(TAG, "signInWithCredential", task.getException());
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Toast.makeText(GoogleSignInActivity.this, "Authentication failed.",
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Toast.LENGTH_SHORT).show();
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}
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// [START_EXCLUDE]
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hideProgressDialog();
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// [END_EXCLUDE]
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}
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});
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}
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// [END auth_with_google]
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// [START signin]
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private void signIn() {
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Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
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startActivityForResult(signInIntent, RC_SIGN_IN);
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}
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// [END signin]
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private void signOut() {
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// Firebase sign out
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mAuth.signOut();
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// Google sign out
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Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
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new ResultCallback<Status>() {
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@Override
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public void onResult(@NonNull Status status) {
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updateUI(null);
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}
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});
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}
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private void updateUI(FirebaseUser user) {
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hideProgressDialog();
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String Email=user.getEmail();
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String Uid= user.getUid();
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}
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@Override
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public void onConnected(Bundle connectionHint) {
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Log.d(TAG, "onConnection is connected:" );
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}
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@Override
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public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
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// An unresolvable error has occurred and Google APIs (including Sign-In) will not
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// be available.
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Log.d(TAG, "onConnectionFailed:" + connectionResult);
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Toast.makeText(this, "Google Play Services error.", Toast.LENGTH_SHORT).show();
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}
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@VisibleForTesting
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public ProgressDialog mProgressDialog;
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public void showProgressDialog() {
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if (mProgressDialog == null) {
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mProgressDialog = new ProgressDialog(this);
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mProgressDialog.setMessage(getString(R.string.loading));
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mProgressDialog.setIndeterminate(true);
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}
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mProgressDialog.show();
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}
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public void hideProgressDialog() {
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if (mProgressDialog != null && mProgressDialog.isShowing()) {
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mProgressDialog.dismiss();
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}
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}
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@Override
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public void onStop() {
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super.onStop();
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hideProgressDialog();
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}

‎Firebase_auth.java

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// Fire base sign in
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//add to grade
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compile 'com.google.firebase:firebase-auth:9.6.1'
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//code
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/**
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* Activity to demonstrate anonymous login and account linking (with an email/password account).
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*/
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//1- define
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private static final String TAG = "AnonymousAuth";
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// [START declare_auth]
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private FirebaseAuth mAuth;
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// [END declare_auth]
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// [START declare_auth_listener]
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private FirebaseAuth.AuthStateListener mAuthListener;
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// [END declare_auth_listener]
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//2- initiailze OnCreate()
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// [START initialize_auth]
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mAuth = FirebaseAuth.getInstance();
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// [END initialize_auth]
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// [START auth_state_listener]
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mAuthListener = new FirebaseAuth.AuthStateListener() {
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@Override
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public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
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FirebaseUser user = firebaseAuth.getCurrentUser();
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if (user != null) {
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// User is signed in
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Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid());
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} else {
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// User is signed out
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Log.d(TAG, "onAuthStateChanged:signed_out");
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}
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// [START_EXCLUDE]
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updateUI(user);
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// [END_EXCLUDE]
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}
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};
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// [END auth_state_listener]
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private void updateUI(FirebaseUser user) {
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hideProgressDialog();
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String Email=user.getEmail();
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String Uid= user.getUid();
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}
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// [START on_start_add_listener]
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@Override
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public void onStart() {
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super.onStart();
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mAuth.addAuthStateListener(mAuthListener);
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}
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// [END on_start_add_listener]
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// [START on_stop_remove_listener]
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@Override
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public void onStop() {
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super.onStop();
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if (mAuthListener != null) {
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mAuth.removeAuthStateListener(mAuthListener);
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}
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}
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// [END on_stop_remove_listener]
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private void signInAnonymously() {
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showProgressDialog();
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// [START signin_anonymously]
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mAuth.signInAnonymously()
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.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
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@Override
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public void onComplete(@NonNull Task<AuthResult> task) {
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Log.d(TAG, "signInAnonymously:onComplete:" + task.isSuccessful());
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// If sign in fails, display a message to the user. If sign in succeeds
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// the auth state listener will be notified and logic to handle the
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// signed in user can be handled in the listener.
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if (!task.isSuccessful()) {
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Log.w(TAG, "signInAnonymously", task.getException());
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Toast.makeText(MainActivity.this, "Authentication failed.",
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Toast.LENGTH_SHORT).show();
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}
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// [START_EXCLUDE]
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hideProgressDialog();
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// [END_EXCLUDE]
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}
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});
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// [END signin_anonymously]
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}
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private void signOut() {
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mAuth.signOut();
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}
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private void linkAccount() {
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// Get email and password from form
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String email = "User_Email";
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String password ="User_Password";
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// Create EmailAuthCredential with email and password
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AuthCredential credential = EmailAuthProvider.getCredential(email, password);
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// Link the anonymous user to the email credential
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showProgressDialog();
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// [START link_credential]
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mAuth.getCurrentUser().linkWithCredential(credential)
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.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
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@Override
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public void onComplete(@NonNull Task<AuthResult> task) {
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Log.d(TAG, "linkWithCredential:onComplete:" + task.isSuccessful());
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// If sign in fails, display a message to the user. If sign in succeeds
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// the auth state listener will be notified and logic to handle the
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// signed in user can be handled in the listener.
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if (!task.isSuccessful()) {
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Toast.makeText(MainActivity.this, "Authentication failed.",
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Toast.LENGTH_SHORT).show();
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}
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// [START_EXCLUDE]
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hideProgressDialog();
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// [END_EXCLUDE]
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}
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});
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// [END link_credential]
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}
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@VisibleForTesting
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public ProgressDialog mProgressDialog;
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public void showProgressDialog() {
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if (mProgressDialog == null) {
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mProgressDialog = new ProgressDialog(this);
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mProgressDialog.setMessage(getString(R.string.loading));
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mProgressDialog.setIndeterminate(true);
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}
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mProgressDialog.show();
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}
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public void hideProgressDialog() {
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if (mProgressDialog != null && mProgressDialog.isShowing()) {
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mProgressDialog.dismiss();
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}
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}
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@Override
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public void onStop() {
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super.onStop();
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hideProgressDialog();
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}

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