Java Code Examples for com.google.firebase.auth.FirebaseAuth#getCurrentUser()

@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
    final FirebaseUser user = firebaseAuth.getCurrentUser();
    if (user != null) {
        LOGGER.fine("onAuthStateChanged: " + user.getUid());
        navigationHeaderView.showViewId(R.id.vg_profile);
        final TextView tv_name = (TextView) navigationHeaderView.findViewById(R.id.tv_name);
        final String name = user.getDisplayName();
        tv_name.setText(name != null ? name : "[No name]");
        final Uri photoUrl = user.getPhotoUrl();
        Glide
            .with(MainActivity.this)
            .load(photoUrl)
            .centerCrop()
            .placeholder(R.drawable.nopic)
            .into((ImageView) navigationHeaderView.findViewById(R.id.iv_pic));
        if (state.isRequestingSignin) {
            Toast.makeText(
                MainActivity.this,
                getString(R.string.msg_sign_in_thank_you, user.getDisplayName()),
                Toast.LENGTH_SHORT).show();
            state.isRequestingSignin = false;
        }
    }
    else {
        LOGGER.fine("onAuthStateChanged: signed out");
        navigationHeaderView.showViewId(R.id.button_sign_in);
        ((TextView) navigationHeaderView.findViewById(R.id.tv_name)).setText(null);
        ((ImageView) navigationHeaderView.findViewById(R.id.iv_pic)).setImageBitmap(null);
    }
}
 

@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
    int id = item.getItemId();

    if(id == R.id.nav_signOut) {
        PreferenceUtil.signOut(this);
        FirebaseAuth mAuth = FirebaseAuth.getInstance();
        if(mAuth.getCurrentUser() != null) {
            mAuth.signOut();
        }
        startActivity(new Intent(this, LoginActivity.class));
        finish();
    }
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

public void sendEmailVerification() {
    // [START send_email_verification]
    FirebaseAuth auth = FirebaseAuth.getInstance();
    FirebaseUser user = auth.getCurrentUser();

    user.sendEmailVerification()
            .addOnCompleteListener(new OnCompleteListener<Void>() {
                @Override
                public void onComplete(@NonNull Task<Void> task) {
                    if (task.isSuccessful()) {
                        Log.d(TAG, "Email sent.");
                    }
                }
            });
    // [END send_email_verification]
}
 

public static void updateuserbio(String userbio, final LinearLayout linearLayout){
    FirebaseAuth auth=FirebaseAuth.getInstance();
    FirebaseUser user=auth.getCurrentUser();
    FirebaseDatabase database = FirebaseDatabase.getInstance();

    if (user !=null) {
        DatabaseReference myRef = database.getReference("users").child(user.getUid()).child("user_bio");

        myRef.setValue(userbio).addOnSuccessListener(new OnSuccessListener<Void>() {
            @Override
            public void onSuccess(Void aVoid) {

            }
        }).addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception e) {
                Snackbar.make(linearLayout,"Lamentamos mas ocorreu um erro",Snackbar.LENGTH_LONG).show();
            }
        });
    }
}
 

public static void setbio(final TextView bio){
    FirebaseAuth auth=FirebaseAuth.getInstance();
    FirebaseUser user=auth.getCurrentUser();
    FirebaseDatabase database = FirebaseDatabase.getInstance();

    if (user !=null){
        DatabaseReference myRef = database.getReference("users").child(user.getUid()).child("user_bio");

        myRef.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()){
                    bio.setText(dataSnapshot.getValue(String.class));
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
    }
}
 

public static void setuserfirstdata(final Context context, String username){
    FirebaseAuth auth=FirebaseAuth.getInstance();
    FirebaseUser user = auth.getCurrentUser();
    UserProfileChangeRequest.Builder builder = new UserProfileChangeRequest.Builder();
    builder.setDisplayName(username);
    if (user !=null){
        user.updateProfile(builder.build()).addOnCompleteListener(new OnCompleteListener<Void>() {
            @Override
            public void onComplete(@NonNull Task<Void> task) {
                if (!task.isSuccessful()){
                    Toast.makeText(context,"Ocorreu um erro",Toast.LENGTH_LONG).show();
                }
            }
        });
    }

}
 

@NonNull
public Intent buildSignInIntent(@Nullable String link) {
    AuthUI.SignInIntentBuilder builder = AuthUI.getInstance().createSignInIntentBuilder()
            .setTheme(getSelectedTheme())
            .setLogo(getSelectedLogo())
            .setAvailableProviders(getSelectedProviders())
            .setIsSmartLockEnabled(mEnableCredentialSelector.isChecked(),
                    mEnableHintSelector.isChecked());

    if (mCustomLayout.isChecked()) {
        AuthMethodPickerLayout customLayout = new AuthMethodPickerLayout
                .Builder(R.layout.auth_method_picker_custom_layout)
                .setGoogleButtonId(R.id.custom_google_signin_button)
                .setEmailButtonId(R.id.custom_email_signin_clickable_text)
                .setTosAndPrivacyPolicyId(R.id.custom_tos_pp)
                .build();

        builder.setTheme(R.style.CustomTheme);
        builder.setAuthMethodPickerLayout(customLayout);
    }

    if (getSelectedTosUrl() != null && getSelectedPrivacyPolicyUrl() != null) {
        builder.setTosAndPrivacyPolicyUrls(
                getSelectedTosUrl(),
                getSelectedPrivacyPolicyUrl());
    }

    if (link != null) {
        builder.setEmailLink(link);
    }

    FirebaseAuth auth = FirebaseAuth.getInstance();

    if (auth.getCurrentUser() != null && auth.getCurrentUser().isAnonymous()) {
        builder.enableAnonymousUsersAutoUpgrade();
    }

    return builder.build();
}
 

@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
    FirebaseAuth mAuth = FirebaseAuth.getInstance();
    mFirestore = FirebaseFirestore.getInstance();
    mCurrentUser = mAuth.getCurrentUser();
    View view= LayoutInflater.from(context).inflate(R.layout.item_feed_post,parent,false);
    return new ViewHolder(view);
}
 

@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
    user = firebaseAuth.getCurrentUser();
    if (user != null) {
        startListeningFavorites();
    }
    else {
        stopListeningFavorites();
    }
}
 

@Override public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
    if (isAttached()) {
        FirebaseUser user = firebaseAuth.getCurrentUser();
        if (user != null) {
            getView().onFirebaseUser(user);
        } else {
            Logger.e();
        }
    }
}
 

public static void removelike(String id){
    String uid="";
    FirebaseAuth auth=FirebaseAuth.getInstance();
    FirebaseUser user=auth.getCurrentUser();
    if (user != null){
        uid=user.getUid();
    }
    FirebaseDatabase database = FirebaseDatabase.getInstance();
    DatabaseReference myRef = database.getReference("users").child(uid).child("likes");
    myRef.child("heart"+id).removeValue();
}
 

public static void setlike(String id){
    String uid="";
    FirebaseAuth auth=FirebaseAuth.getInstance();
    FirebaseUser user=auth.getCurrentUser();
    if (user != null){
        uid=user.getUid();
    }
    FirebaseDatabase database = FirebaseDatabase.getInstance();
    DatabaseReference myRef = database.getReference("users").child(uid).child("likes");
    myRef.child("heart"+id).child("liked").setValue("true");
}
 

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Check current user is already signed in or not
    FirebaseAuth auth = FirebaseAuth.getInstance();
    boolean isSignIn = auth.getCurrentUser() != null;


    if (!isSignIn) {

        // FirebaseUI line of code
        startActivityForResult(
                AuthUI.getInstance()
                        .createSignInIntentBuilder()
                        .setIsSmartLockEnabled(!BuildConfig.DEBUG)
                        .setProviders(AuthUI.EMAIL_PROVIDER, AuthUI.GOOGLE_PROVIDER, AuthUI.FACEBOOK_PROVIDER)
                        .setTheme(R.style.AppTheme)
                        .build(), RC_SIGN_IN);


    }

    if (isSignIn) {
        // Go directly to the main activity.
        startActivity(new Intent(this, MainActivity.class));
        finish();
    }

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_post);

    bindViews();

    FirebaseAuth mAuth = FirebaseAuth.getInstance();
    mCurrentUser = mAuth.getCurrentUser();
    mDatabaseUSer = FirebaseDatabase.getInstance().getReference().child("Users").child(mCurrentUser.getUid());

    clickEvents();

}
 

private void gamesGetUserInfo() {
    FirebaseAuth mAuth = FirebaseAuth.getInstance();

    // [START games_get_user_info]
    FirebaseUser user = mAuth.getCurrentUser();
    String playerName = user.getDisplayName();

    // The user's Id, unique to the Firebase project.
    // Do NOT use this value to authenticate with your backend server, if you
    // have one; use FirebaseUser.getIdToken() instead.
    String uid = user.getUid();
    // [END games_get_user_info]
}
 

public void sendEmailVerificationWithContinueUrl() {
    // [START send_email_verification_with_continue_url]
    FirebaseAuth auth = FirebaseAuth.getInstance();
    FirebaseUser user = auth.getCurrentUser();

    String url = "http://www.example.com/verify?uid=" + user.getUid();
    ActionCodeSettings actionCodeSettings = ActionCodeSettings.newBuilder()
            .setUrl(url)
            .setIOSBundleId("com.example.ios")
            // The default for this is populated with the current android package name.
            .setAndroidPackageName("com.example.android", false, null)
            .build();

    user.sendEmailVerification(actionCodeSettings)
            .addOnCompleteListener(new OnCompleteListener<Void>() {
                @Override
                public void onComplete(@NonNull Task<Void> task) {
                    if (task.isSuccessful()) {
                        Log.d(TAG, "Email sent.");
                    }
                }
            });

    // [END send_email_verification_with_continue_url]
    // [START localize_verification_email]
    auth.setLanguageCode("fr");
    // To apply the default app language instead of explicitly setting it.
    // auth.useAppLanguage();
    // [END localize_verification_email]
}
 

@Override
protected void onResume() {
    super.onResume();
    FirebaseAuth auth = FirebaseAuth.getInstance();
    if (auth.getCurrentUser() != null && getIntent().getExtras() == null) {
        startSignedInActivity(null);
        finish();
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    FirebaseAuth auth = FirebaseAuth.getInstance();

    if (auth.getCurrentUser() != null) {
        startThemeActivity();
    } else {
        startLoginActivity();
    }
}
 

public boolean canUpgradeAnonymous(FirebaseAuth auth, FlowParameters flowParameters) {
    return flowParameters.isAnonymousUpgradeEnabled() && auth.getCurrentUser() != null &&
            auth.getCurrentUser().isAnonymous();
}
 

private FirebaseUser getCurrentUser() {
    FirebaseAuth auth = FirebaseAuth.getInstance();
    return auth.getCurrentUser();
}