package br.com.netcriativa.umadeb.activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import com.facebook.AccessToken;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
import com.firebase.client.Firebase;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FacebookAuthProvider;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import br.com.netcriativa.umadeb.R;
import br.com.netcriativa.umadeb.model.User;
/**
* Created by AndroidBash on 10/07/16
*/
public class LoginActivity extends AppCompatActivity {
private static final String TAG = "AndroidBash";
public User user;
private EditText email;
private EditText password;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener mAuthListener;
private ProgressDialog mProgressDialog;
//Add YOUR Firebase Reference URL instead of the following URL
Firebase mRef = new Firebase("https://aplicativoumadeb.firebaseio.com/users/");
//FaceBook callbackManager
private CallbackManager callbackManager;
//
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
mAuth = FirebaseAuth.getInstance();
FirebaseUser mUser = mAuth.getCurrentUser();
if (mUser != null) {
// User is signed in
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
String uid = mAuth.getCurrentUser().getUid();
String image=mAuth.getCurrentUser().getPhotoUrl().toString();
intent.putExtra("user_id", uid);
if(image!=null || image!=""){
intent.putExtra("profile_picture",image);
}
startActivity(intent);
finish();
Log.d(TAG, "onAuthStateChanged:signed_in:" + mUser.getUid());
}
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser mUser = firebaseAuth.getCurrentUser();
if (mUser != null) {
// User is signed in
Log.d(TAG, "onAuthStateChanged:signed_in:" + mUser.getUid());
} else {
// User is signed out
Log.d(TAG, "onAuthStateChanged:signed_out");
}
}
};
//FaceBook
FacebookSdk.sdkInitialize(getApplicationContext());
callbackManager = CallbackManager.Factory.create();
LoginButton loginButton = (LoginButton) findViewById(R.id.button_facebook_login);
loginButton.setReadPermissions("email", "public_profile");
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
Log.d(TAG, "facebook:onSuccess:" + loginResult);
signInWithFacebook(loginResult.getAccessToken());
}
@Override
public void onCancel() {
Log.d(TAG, "facebook:onCancel");
}
@Override
public void onError(FacebookException error) {
Log.d(TAG, "facebook:onError", error);
}
});
//
}
@Override
protected void onStart() {
super.onStart();
email = (EditText) findViewById(R.id.edit_text_email_id);
password = (EditText) findViewById(R.id.edit_text_password);
mAuth.addAuthStateListener(mAuthListener);
}
@Override
public void onStop() {
super.onStop();
if (mAuthListener != null) {
mAuth.removeAuthStateListener(mAuthListener);
}
}
//FaceBook
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
}
//
protected void setUpUser() {
user = new User();
user.setEmail(email.getText().toString());
user.setPassword(password.getText().toString());
}
public void onSignUpClicked(View view) {
Intent intent = new Intent(this, SignUpActivity.class);
startActivity(intent);
}
public void onLoginClicked(View view) {
setUpUser();
signIn(email.getText().toString(), password.getText().toString());
}
private void signIn(String email, String password) {
Log.d(TAG, "signIn:" + email);
if (!validateForm()) {
return;
}
showProgressDialog();
mAuth.signInWithEmailAndPassword(email, password)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d(TAG, "signInWithEmail: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, "signInWithEmail", task.getException());
Toast.makeText(LoginActivity.this, "Authentication failed.",
Toast.LENGTH_SHORT).show();
} else {
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
String uid = mAuth.getCurrentUser().getUid();
intent.putExtra("user_id", uid);
startActivity(intent);
finish();
}
hideProgressDialog();
}
});
//
}
private boolean validateForm() {
boolean valid = true;
String userEmail = email.getText().toString();
if (TextUtils.isEmpty(userEmail)) {
email.setError("Required.");
valid = false;
} else {
email.setError(null);
}
String userPassword = password.getText().toString();
if (TextUtils.isEmpty(userPassword)) {
password.setError("Required.");
valid = false;
} else {
password.setError(null);
}
return valid;
}
private void signInWithFacebook(AccessToken token) {
Log.d(TAG, "signInWithFacebook:" + token);
showProgressDialog();
AuthCredential credential = FacebookAuthProvider.getCredential(token.getToken());
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(LoginActivity.this, "Authentication failed.",
Toast.LENGTH_SHORT).show();
}else{
String uid=task.getResult().getUser().getUid();
String name=task.getResult().getUser().getDisplayName();
String email=task.getResult().getUser().getEmail();
String image=task.getResult().getUser().getPhotoUrl().toString();
//Create a new User and Save it in Firebase database
User user = new User(uid,name,null,email,null);
mRef.child(uid).setValue(user);
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
intent.putExtra("user_id",uid);
intent.putExtra("profile_picture",image);
startActivity(intent);
finish();
}
hideProgressDialog();
}
});
}
public void showProgressDialog() {
if (mProgressDialog == null) {
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage(getString(R.string.loading));
mProgressDialog.setIndeterminate(true);
}
mProgressDialog.show();
}
public void hideProgressDialog() {
if (mProgressDialog != null && mProgressDialog.isShowing()) {
mProgressDialog.dismiss();
}
}
}
Follow the Error provided by Android Logcat
Caused by: java.lang.RuntimeException: You need to set the Android context using Firebase.setAndroidContext() before using Firebase.