Когда я пытаюсь войти в Firebase с помощью Facebook или Google , мое приложение вылетает, потому что не создается новый пользователь для Firebase с использованием CreateNewUser().
Logcat: -
05-10 09: 11: 58.180 16986-16986 / com.example.sefi.authenticationproject E / VideoAdapter: onCreateViewHolder () >>
05-10 09: 11: 58.191 16986-16986 / com.example.sefi.authenticationproject E / VideoAdapter: onCreateViewHolder () <<
05-10 09: 11: 58.193 16986-16986 / com.example.sefi.authenticationproject E / VideoAdapter: onBindViewHolder () >> 0
05-10 09: 11: 58.203 16986-16986 / com.example.sefi.authenticationproject E / AndroidRuntime: ИСКЛЮЧИТЕЛЬНОЕ ИСКЛЮЧЕНИЕ: основное
Процесс: com.example.sefi.authenticationproject, PID: 16986
java.lang.NullPointerException: попытка вызвать виртуальный метод 'java.lang.String java.lang.Object.toString ()' для ссылки на пустой объект
в com.example.sefi.authenticationproject.adapter.VideoAdapter.onBindViewHolder (VideoAdapter.java:114)
в com.example.sefi.authenticationproject.adapter.VideoAdapter.onBindViewHolder (VideoAdapter.java:32)
на android.support.v7.widget.RecyclerView $ Adapter.onBindViewHolder (RecyclerView.java:6482)
на android.support.v7.widget.RecyclerView $ Adapter.bindViewHolder (RecyclerView.java:6515)
на android.support.v7.widget.RecyclerView $ Recycler.tryBindViewHolderByDeadline (RecyclerView.java:5458)
на android.support.v7.widget.RecyclerView $ Recycler.tryGetViewHolderForPositionByDeadline (RecyclerView.java:5724)
на android.support.v7.widget.RecyclerView $ Recycler.getViewForPosition (RecyclerView.java:5563)
на android.support.v7.widget.RecyclerView $ Recycler.getViewForPosition (RecyclerView.java:5559)
на android.support.v7.widget.LinearLayoutManager $ LayoutState.next (LinearLayoutManager.java:2229)
на android.support.v7.widget.LinearLayoutManager.layoutChunk (LinearLayoutManager.java:1556)
на android.support.v7.widget.LinearLayoutManager.fill (LinearLayoutManager.java:1516)
на android.support.v7.widget.LinearLayoutManager.onLayoutChildren (LinearLayoutManager.java:608)
на android.support.v7.widget.RecyclerView.dispatchLayoutStep2 (RecyclerView.java:3693)
на android.support.v7.widget.RecyclerView.dispatchLayout (RecyclerView.java:3410)
на android.support.v7.widget.RecyclerView.onLayout (RecyclerView.java:3962)
на android.view.View.layout (View.java:18799)
на android.view.ViewGroup.layout (ViewGroup.java:5952)
на android.support.constraint.ConstraintLayout.onLayout (ConstraintLayout.java:1855)
на android.view.View.layout (View.java:18799)
на android.view.ViewGroup.layout (ViewGroup.java:5952)
на android.widget.FrameLayout.layoutChildren (FrameLayout.java:323)
на android.widget.FrameLayout.onLayout (FrameLayout.java:261)
на android.view.View.layout (View.java:18799)
на android.view.ViewGroup.layout (ViewGroup.java:5952)
на android.widget.LinearLayout.setChildFrame (LinearLayout.java:1741)
на android.widget.LinearLayout.layoutVertical (LinearLayout.java:1585)
на android.widget.LinearLayout.onLayout (LinearLayout.java:1494)
на android.view.View.layout (View.java:18799)
на android.view.ViewGroup.layout (ViewGroup.java:5952)
на android.widget.FrameLayout.layoutChildren (FrameLayout.java:323)
на android.widget.FrameLayout.onLayout (FrameLayout.java:261)
на com.android.internal.policy.DecorView.onLayout (DecorView.java:822)
на android.view.View.layout (View.java:18799)
на android.view.ViewGroup.layout (ViewGroup.java:5952)
на android.view.ViewRootImpl.performLayout (ViewRootImpl.java:2634)
на android.view.ViewRootImpl.performTraversals (ViewRootImpl.java:2350)
на android.view.ViewRootImpl.doTraversal (ViewRootImpl.java:1509)на android.view.ViewRootImpl $ TraversalRunnable.run (ViewRootImpl.java:7051)
на android.view.Choreographer $ CallbackRecord.run (Хореограф.java:927)
на android.view.Choreographer.doCallbacks (Choreographer.java:702)
на android.view.Choreographer.doFrame (Хореограф.java:638)
на android.view.Choreographer $ FrameDisplayEventReceiver.run (Choreographer.java:913)
на android.os.Handler.handleCallback (Handler.java:751)
на android.os.Handler.dispatchMessage (Handler.java:95)
на android.os.Looper.loop (Looper.java:154)
на android.app.ActivityThread.main (ActivityThread.java:6692)
в java.lang.reflect.Method.invoke (родной метод)
на com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run (ZygoteInit.java:1468)
на com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1358)
LogInActivity.java
public class LogInActivity extends Activity {
public static final String TAG = "LogInActivity";
private static final int RC_GOOGLE_SIGN_IN = 1001;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener mAuthListener;
private CallbackManager mCallbackManager;
private AccessTokenTracker mAccessTokenTracker;
private GoogleSignInClient mGoogleSignInClient;
private EditText mEmail;
private EditText mPass;
private TextView mStatus;
private boolean mIsSignup;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.log_in_activity);
mEmail = findViewById(R.id.email_id);
mPass = findViewById(R.id.password_id);
mStatus = findViewById(R.id.status_id);
firebaseAuthenticationInit();
googleSigninInit();
facebookLoginInit();
}
@Override
protected void onStart() {
Log.e(TAG, "onStart() >>");
super.onStart();
mAuth.addAuthStateListener(mAuthListener);
updateLoginStatus("N.A");
Log.e(TAG, "onStart() <<");
}
@Override
protected void onStop() {
Log.e(TAG, "onStop() >>");
super.onStop();
if (mAuthListener != null) {
mAuth.removeAuthStateListener(mAuthListener);
}
Log.e(TAG, "onStop() <<");
}
public void onEmailPasswordAuthClick(View V) {
Log.e(TAG, "onEmailPasswordAuthClick() >>");
String email = mEmail.getText().toString();
String pass = mPass.getText().toString();
Task<AuthResult> authResult;
boolean canContinue = checkIfEmailOrPasswordIsRequired(email, pass);
if (canContinue == true)
{
switch (V.getId()) {
case R.id.sign_in_id:
//Email / Password sign-in
authResult = mAuth.signInWithEmailAndPassword(email, pass);
moveToNextScreenAfterValidation(authResult);
mIsSignup = false;
break;
case R.id.sign_up_id:
//Email / Password sign-up
authResult = mAuth.createUserWithEmailAndPassword(email, pass);
mIsSignup = true;
moveToNextScreenAfterValidation(authResult);
break;
default:
return;
}
authResult.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.e(TAG, "Email/Pass Auth: onComplete() >> " + task.isSuccessful());
if (mIsSignup) {
createNewUser();
}
if (!task.isSuccessful())
{
Toast.makeText(LogInActivity.this, "User is already in use or there is a temporary problem", Toast.LENGTH_LONG).show();
}
updateLoginStatus(task.isSuccessful() ? "N.A" : task.getException().getMessage());
Log.e(TAG, "Email/Pass Auth: onComplete() <<");
}
});
}
Log.e(TAG, "onEmailPasswordAuthClick() <<");
}
public void signInAnonymously(View v) {
mAuth.signInAnonymously()
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
// Sign in success, update UI with the signed-in user's information
Log.d(TAG, "signInAnonymously:success");
FirebaseUser user = mAuth.getCurrentUser();
Intent intent = new Intent(LogInActivity.this,StandupPlayerMain.class);
startActivity(intent);
} else {
// If sign in fails, display a message to the user.
Log.w(TAG, "signInAnonymously:failure", task.getException());
Toast.makeText(LogInActivity.this, "Skip sign up failed", Toast.LENGTH_LONG).show();
}
}
});
}
public void onForgetPasswordClick(View V)
{
Intent intent = new Intent(LogInActivity.this,ForgotMyPassword.class);
startActivity(intent);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.e(TAG, "onActivityResult () >>");
super.onActivityResult(requestCode, resultCode, data);
// Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
if (requestCode == RC_GOOGLE_SIGN_IN) {
//Google Login...
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = task.getResult(ApiException.class);
firebaseAuthWithGoogle(account);
} catch (ApiException e) {
// Google Sign In failed, update UI appropriately
Log.e(TAG, "Google sign in failed", e);
Toast.makeText(LogInActivity.this, "Google signing in falied", Toast.LENGTH_LONG).show();
// ...
}
}
mCallbackManager.onActivityResult(requestCode, resultCode, data);
Log.e(TAG, "onActivityResult () <<");
}
private void facebookLoginInit() {
Log.e(TAG, "facebookLoginInit() >>");
mCallbackManager = CallbackManager.Factory.create();
LoginButton loginButton = findViewById(R.id.login_button);
loginButton.setReadPermissions("email", "public_profile");
loginButton.registerCallback(mCallbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
Log.e(TAG, "facebook:onSuccess () >>" + loginResult);
Log.e(TAG, "look for me");
createNewUser();
handleFacebookAccessToken(loginResult.getAccessToken());
Log.e(TAG, "facebook:onSuccess () <<");
}
@Override
public void onCancel() {
Log.e(TAG, "facebook:onCancel() >>");
updateLoginStatus("Facebook login canceled");
Log.e(TAG, "facebook:onCancel() <<");
}
@Override
public void onError(FacebookException error) {
Log.e(TAG, "facebook:onError () >>" + error.getMessage());
Toast.makeText(LogInActivity.this, "Facebook log in failed", Toast.LENGTH_LONG).show();
updateLoginStatus(error.getMessage());
Log.e(TAG, "facebook:onError <<");
}
});
mAccessTokenTracker = new AccessTokenTracker() {
@Override
protected void onCurrentAccessTokenChanged(AccessToken oldAccessToken,AccessToken currentAccessToken) {
Log.e(TAG, "facebook:inside Token change <<");
if (currentAccessToken == null)
{
mAuth.signOut();
updateLoginStatus("Facebook signuout");
}
Log.e(TAG,"onCurrentAccessTokenChanged() >> currentAccessToken="+
(currentAccessToken !=null ? currentAccessToken.getToken():"Null") +
" ,oldAccessToken=" +
(oldAccessToken !=null ? oldAccessToken.getToken():"Null"));
}
};
Log.e(TAG, "facebookLoginInit() <<");
}
private void handleFacebookAccessToken(AccessToken token) {
Log.e(TAG, "handleFacebookAccessToken () >>" + token.getToken());
AuthCredential credential = FacebookAuthProvider.getCredential(token.getToken());
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.e(TAG, "Facebook: onComplete() >> " + task.isSuccessful());
if(task.isSuccessful()==true)
{
Intent intent = new Intent(LogInActivity.this,StandupPlayerMain.class);
startActivity(intent);
}
updateLoginStatus(task.isSuccessful() ? "N.A" : task.getException().getMessage());
Log.e(TAG, "Facebook: onComplete() <<");
}
});
Log.e(TAG, "handleFacebookAccessToken () <<");
}
private void firebaseAuthenticationInit() {
Log.e(TAG, "firebaseAuthenticationInit() >>");
//Obtain reference to the current authentication
mAuth = FirebaseAuth.getInstance();
FirebaseUser user = mAuth.getCurrentUser();
if (user != null)
{
Intent intent = new Intent(LogInActivity.this,StandupPlayerMain.class);
startActivity(intent);
}
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
Log.e(TAG, "onAuthStateChanged() >>");
updateLoginStatus("N.A");
Log.e(TAG, "onAuthStateChanged() <<");
}
};
Log.e(TAG, "firebaseAuthenticationInit() <<");
}
private void googleSigninInit() {
Log.e(TAG, "googleSigninInit() >>" );
// Configure Google Sign In
GoogleSignInOptions gso = new GoogleSignInOptions
.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestProfile()
.requestEmail()
.build();
// Build a GoogleSignInClient with the options specified by gso.
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
findViewById(R.id.google_sign_in_button).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Log.e(TAG, "look for me" + mAuth.getCurrentUser().toString());
onGooglesignIn();
}
});
Log.e(TAG, "googleSigninInit() <<" );
}
private void onGooglesignIn() {
Log.e(TAG, "onGooglesignIn() >>" );
createNewUser();
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent, RC_GOOGLE_SIGN_IN);
Log.e(TAG, "onGooglesignIn() <<" );
}
private boolean checkIfEmailOrPasswordIsRequired(String email,String password)
{
boolean result = true;
if (email.length() == 0)
{
result = false;
Toast.makeText(LogInActivity.this, "Email is missing", Toast.LENGTH_LONG).show();
}
else if (password.length() == 0)
{
result = false;
Toast.makeText(LogInActivity.this, "Password is missing", Toast.LENGTH_LONG).show();
}
return result;
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
Log.e(TAG, "firebaseAuthWithGoogle() >>" + acct.getId());
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
updateLoginStatus(task.isSuccessful() ? "N.A" : task.getException().getMessage());
Log.e(TAG, "look for me");
Intent intent = new Intent(LogInActivity.this,StandupPlayerMain.class);
startActivity(intent);
}
});
Log.e(TAG, "firebaseAuthWithGoogle() <<");
}
private void moveToNextScreenAfterValidation(Task<AuthResult> authResult)
{
Log.e(TAG, "emailPasswordVaildation () >>");
authResult.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.e(TAG, "emailPasswordVaildation outside if");
if(task.isSuccessful() == true)
{
Log.e(TAG, "emailPasswordVaildation inside if");
//createNewUser();
Intent intent = new Intent(LogInActivity.this,StandupPlayerMain.class);
intent.putExtra("User Info",mAuth.getCurrentUser().getUid());
startActivity(intent);
}
}
});
Log.e(TAG, "emailPasswordVaildation () <<");
}
private void updateLoginStatus(String details) {
FirebaseUser user = mAuth.getCurrentUser();
if (user == null) {
mStatus.setText("SIGNED-OUT \ndetails:" + details);
} else {
mStatus.setText("SIGNED-IN\nname:" + user.getDisplayName() +
"\nemail:" + user.getEmail() +
"\nuid:" + user.getUid() +
"\ndetails:" + details);
}
}
private void createNewUser() {
Log.e(TAG, "createNewUser() >>");
FirebaseUser fbUser = mAuth.getCurrentUser();
DatabaseReference userRef = FirebaseDatabase.getInstance().getReference("Users");
if (fbUser == null) {
Log.e(TAG, "createNewUser() << Error user is null");
return;
}
Log.e(TAG,userRef.toString());
userRef.child(fbUser.getUid()).setValue(new User(fbUser.getEmail(),0,null));
Log.e(TAG, "createNewUser() <<");
}
}