当我使用Firebase的Facebook凭据静默登录我的应用程序两次时,它返回此错误消息。
An internal error has occured. [ invalid access_token, error code 43. ]我在第一次登录时将Facebook令牌保存在SharedPreferences中,并在两次登录时获得它,然后使用FacebookAuthProvider.getCredential(accessToken);创建凭证。最后,我使用以下代码使用此凭据登录:
private void signInFirebase(AuthCredential credential, final TaskCompleteListener signInListener) {
FirebaseAuth.getInstance().signInWithCredential(credential)
.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Logger.i(TAG,"Firebase login success.");
} else {
Logger.e(TAG,"Firebase login failure:"+task.getException().getMessage());
}
}
});
}它总是像标题一样打印。我尝试过,但没有成功的方法:
1.change Firebase version from 9.0.2 to 9.4.0
2.search error message in Google directly如何解决这个问题?
发布于 2016-08-23 21:30:57
Firebase已经在应用程序重启之间保存了用户的登录状态。因此,与其自己持久化Facebook令牌,不如使用monitor whether the user is already authenticated with Firebase。
从该文档中:
FirebaseAuth.getInstance(). addAuthStateListener(new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser user = firebaseAuth.getCurrentUser();
if (user != null) {
// User is signed in
Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid());
} else {
// User is signed out
Log.d(TAG, "onAuthStateChanged:signed_out");
}
// ...
}
});https://stackoverflow.com/questions/39098093
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