我在后端数据库中使用firebase ID作为我的用户ID。在我的开场活动中，我检查了一个firebase ID，然后将其保存到共享首选项。只有使用firebase ID才能继续。
问题是，现在我正在进入下一个屏幕，并且firebase ID未保存到共享首选项。我使用以下firebase库：
compile 'com.google.firebase:firebase-core:9.2.1'
compile 'com.google.firebase:firebase-auth:9.2.1'
以下是我在onCreate方法中使用的代码：
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context = this;
cp = AmazonS3.getProvider(context);
FacebookSdk.sdkInitialize(context);
quizImage.clear();
intent = new Intent(this, MainActivity.class);
res = getResources();
setContentView(R.layout.loadingscreen);
firebaseAuth = FirebaseAuth.getInstance();
sp = PreferenceManager.getDefaultSharedPreferences(context);
spEditor = sp.edit();
cognitioID = sp.getString("Cognito","");
firebaseID = sp.getString("Firebase", "");
// String userID = sp.getString("USERID", "");
Log.i(LOG_TAG, "firebaseID: " + firebaseID);
if (cognitioID == "") {
new cognitoID().execute();
}
shouldGoToMainActivity = false;
numberOfDownloadedFiles = 0;
if(sp.getString("Firebase","").isEmpty()) {
Log.i(LOG_TAG, "splash activity no firebase ID");
configureGoogleSignIn();
LoginButton fbLogin = (LoginButton) findViewById(R.id.fb_login_button);
fbLogin.setVisibility(View.VISIBLE);
//Login with Facebook and volley write to users.php
callbackManager = CallbackManager.Factory.create();
fbLogin.setReadPermissions(Arrays.asList("user_friends", "email", "user_location"));
fbLogin.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
Log.i(LOG_TAG,"Facebook Login Success");
fbAccessToken = loginResult.getAccessToken();
//Make the Call to below method to get and set firebase ID
firebaseAuthWithFacebook(fbAccessToken);
final GraphRequest request = GraphRequest.newMeRequest(
fbAccessToken, new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(JSONObject object, GraphResponse response) {
Log.d(LOG_TAG,"Facebook graph reqest "+ response + "");
fbUser = object;
try {
fullName = object.getString("name");
firstName = object.getString("first_name");
lastName = object.getString("last_name");
email = object.getString("email");
ageRange = object.getString("age_range");
gender = object.getString("gender");
userid = firebaseID;
Utils.getZipCodeForCurrentLocation(context)
.observeOn(Schedulers.io())
.subscribe(new Action1<String>() {
@Override
public void call(String s) {
zip = s;
Log.i(LOG_TAG, "Zip code in Facebook: " + s);
}
});
Log.i(LOG_TAG, "name from fb graph/age "+ fullName +" "+ ageRange);
Log.i("fb id", userid);
spEditor.putString("firstName", firstName);
spEditor.putString("lastName", lastName);
spEditor.putString("fullName", fullName);
spEditor.putString("email", email);
spEditor.putString("Firebase", userid);
spEditor.putString("zip", zip);
spEditor.commit();
uploadUserInfo();
} catch (JSONException e) {
e.printStackTrace();
}
}
});
Bundle fbparameters = new Bundle();
fbparameters.putString("fields", "name, email, age_range, gender, first_name, last_name ");
request.setParameters(fbparameters);
request.executeAsync();
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException error) {
Snackbar snackbar = Snackbar
.make(findViewById(android.R.id.content), "Facebook SignIn Error, please try again", Snackbar.LENGTH_SHORT);
snackbar.show();
Log.d("facebook Login", "facebook error - " + error);
}
});
}
else {
Log.i(LOG_TAG, firebaseID + " is assigned and written");
shouldGoToMainActivity = true;
}
firebaseListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser firebaseUser = firebaseAuth.getCurrentUser();
if (firebaseUser != null){
//Authenticated with Firebase
firebaseID = firebaseUser.getUid();
spEditor.putString("Firebase", userid);
spEditor.commit();
Log.i("Splash Firebase", "onAuthStateChanged: signed_in: " + firebaseUser.getUid());
} else{
Log.i("Splash Firebase", "onAuthStateChanged: signed_out");
}
}
};
firebaseAuth.addAuthStateListener(firebaseListener);
//end of OnCreate
}
@Override
public void onStart(){
super.onStart();
firebaseAuth.addAuthStateListener(firebaseListener);
}
@Override
public void onStop(){
super.onStop();
if (firebaseAuth != null){
firebaseAuth.removeAuthStateListener(firebaseListener);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data){
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==RC_RESOLVE_ERROR){
intentInProgress = false;
if (resultCode != RESULT_OK) {
isSignedIn = false;
//Maybe show a dialog to user ?
return;
}
//Attemp connection again.
if (googleApiClient.isConnecting()) {
googleApiClient.connect();
}
}
else if (requestCode == RC_SIGN_IN) {
hideProgressDialog();
GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(intent);
handleGoogleSignInResult(result);
}
startActivity(intent);
finish();
}
/**
* setup Google Api client and signInButton
*/
private void configureGoogleSignIn(){
googleSignInOptions = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
googleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this, this)
.addOnConnectionFailedListener(this)
.addApi(Auth.GOOGLE_SIGN_IN_API, googleSignInOptions)
.addApi(Plus.API)
.addConnectionCallbacks(this)
.build();
SignInButton gLogin = (SignInButton) findViewById(R.id.g_login_button);
gLogin.setSize(SignInButton.SIZE_STANDARD);
gLogin.setScopes(new Scope[]{Plus.SCOPE_PLUS_LOGIN});
// gLogin.setOnClickListener(this);
gLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
signInByGPlus();
}
});
gLogin.setVisibility(View.VISIBLE);
}
private void signInByGPlus(){
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(googleApiClient);
startActivityForResult(signInIntent, GPLUS_SIGN_IN);
}
/**
* Save userId and user's full name if login successful. If not, main screen will be
* started anyway (as a guest)
* @param result
*/
private void handleGoogleSignInResult(GoogleSignInResult result){
if (null == result){
Log.w(LOG_TAG, "login result is null (user canceled login - proceed as a guest)");
return;
}
Log.d(LOG_TAG, "handleGoogleSignInResult (is successful?): " + result.isSuccess());
if (!result.getStatus().isSuccess()){
isSignedIn = false;
intentInProgress = false;
GoogleSignInAccount googleAccount = result.getSignInAccount();
firebaseAuthWithGoogle(googleAccount);
if(result.getStatus().hasResolution()||result.getStatus().getStatusCode() == CommonStatusCodes.SIGN_IN_REQUIRED){
freshSignIn();
}
}
else {
intentInProgress = false;
isSignedIn = true;
acct = result.getSignInAccount();
}
fullName = acct.getDisplayName();
email = acct.getEmail();
userid = firebaseID;
/** google+ return fullname in format first name " " last name */
String[] nameParts = fullName.split(" ");
if (nameParts.length == 2){
firstName = nameParts[0];
lastName = nameParts[1];
}else {
firstName = "";
lastName = "";
}
/** Google has no idea about gender */
gender = "";
Log.i(LOG_TAG, "full name: " + fullName);
Log.i(LOG_TAG, "first name: " + firstName);
Log.i(LOG_TAG, "last name: " + lastName);
Log.i(LOG_TAG, "email: " + email);
Log.i(LOG_TAG, "id: " + userid);
spEditor.putString("firstName", firstName);
spEditor.putString("lastName", lastName);
spEditor.putString("fullName", fullName);
spEditor.putString("Firebase", firebaseID);
spEditor.putString("email", email);
Utils.getZipCodeForCurrentLocation(this)
.observeOn(Schedulers.io())
.subscribe(new Action1<String>() {
@Override
public void call(String s) {
zip = s;
Log.i(LOG_TAG, "Zip code: " + s);
spEditor.putString("zip", s);
uploadUserInfo();
}
});
spEditor.commit();
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct){
Log.d("SplashActivity firebase", "firebaseAuthWtihGoogle: "+ acct.getId());
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
firebaseID = user.getUid();
spEditor.putString("Firebase", firebaseID);
spEditor.commit();
AuthCredential firebaseCredential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
firebaseAuth.signInWithCredential(firebaseCredential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d("SpalshActivity firebase", "signInwithCredential: onComplete:" + task.isSuccessful());
if(!task.isSuccessful()){
Log.w("SplashActivity firebase", task.getException());
Toast.makeText(SplashActivity.this, "Authentication failed.", Toast.LENGTH_SHORT).show();
}
}
});
shouldGoToMainActivity = true;
}
private void firebaseAuthWithFacebook(AccessToken token){
Log.d("SPlash Firebase Face", "firebaseAuthWithFacebook:" + token);
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
firebaseID = user.getUid();
spEditor.putString("Firebase", firebaseID);
spEditor.commit();
AuthCredential credential = FacebookAuthProvider.getCredential(token.getToken());
firebaseAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d("Splash Firebase Face", "signInWithCredential[FB]:onComplete: " + task.isSuccessful());
if(!task.isSuccessful()){
Log.w("Splash Firebase Face", "signInWithCredential[FB]" + task.getException());
Toast.makeText(SplashActivity.this, "Authentication Failed.", Toast.LENGTH_SHORT).show();
}
}
});
shouldGoToMainActivity = true;
}