Firebase + android 为我的应用程序的每个用户独立于设备生成唯一令牌的方法？

Question

大家晚上好，我使用 firebase 身份验证，我希望在注册时为每个用户生成一个唯一的令牌，以便我可以做其他事情。问题是我在 X 设备上创建的所有用户都具有相同的令牌。这是我使用的代码：

        mAuth.createUserWithEmailAndPassword(email,pswd).addOnSuccessListener(new OnSuccessListener<AuthResult>() {
            @Override
            public void onSuccess(AuthResult authResult) {
                                    // String uid = FirebaseAuth.getInstance().getCurrentUser().getUid();

                FirebaseInstanceId.getInstance().getInstanceId()
                        .addOnCompleteListener(new OnCompleteListener<InstanceIdResult>() {
                            @Override
                            public void onComplete(@NonNull final Task<InstanceIdResult> task) {
                                if (task.isSuccessful()) {

                                    final FirebaseUser mFirebaseUser = mAuth.getCurrentUser();
                                    if (mFirebaseUser != null) {
                                        String newuser = mFirebaseUser.getUid(); //Do what you need to do with the id
                                        Log.d(TAG, " COMPARAISON " + newuser);

                                        mFirebaseUser.getIdToken(true).addOnSuccessListener(new OnSuccessListener<GetTokenResult>() {
                                            @Override
                                            public void onSuccess(GetTokenResult result) {
                                                String token = result.getToken();
                                                //Do whatever
                                                Log.d(TAG, "GetTokenResult result = " + token);
                                                //String token = FirebaseInstanceId.getInstance().getToken();

                                                progressBar.setVisibility(View.VISIBLE);
                                                register.setVisibility(View.GONE);
                                                mAuth = FirebaseAuth.getInstance();

                                                String uid = mFirebaseUser.getUid();
                                                Log.d(TAG, " COMPARAION2" + uid);
                                                // String uid = FirebaseAuth.getInstance().getCurrentUser().getUid();

                                                Log.d(TAG, "Token utilisateur" + token);
                                                // Send token to your backend via HTTPS
                                                Log.d(TAG, " TOKEN " + token);
                                                Log.d(TAG, " UID DU USER" + uid);
                                                Map<String, Object> userdata = new HashMap<>();
                                                userdata.put("uid", uid);
                                                userdata.put("fln", fln);
                                                userdata.put("idToken", token);
                                                userdata.put("email", email);
                                                userdata.put("password", pswd);
                                                Log.d(TAG, "FULLNAME: " + fln);
                                                SharedPreferences.Editor editor = prefEnreg.edit();
                                                editor.putString("FULLNAME", fln);
                                                editor.putString("tok", token);
                                                editor.apply();
                                                db.collection("Users2").document(uid).set(userdata).addOnCompleteListener(new OnCompleteListener<Void>() {
                                                    @Override
                                                    public void onComplete(@NonNull Task<Void> task) {
                                                        Toast.makeText(getApplicationContext(), "Register User", Toast.LENGTH_SHORT).show();
                                                        register.setVisibility(View.VISIBLE);
                                                        progressBar.setVisibility(View.GONE);
                                                        Intent intent13 = new Intent(MainActivity.this, FriendList.class);
                                                        startActivity(intent13);
                                                        mail.setText("");
                                                        phone.setText("");
                                                        fllname.setText("");
                                                        passwd.setText("");

                                                    }

                                                });

                                            }
                                        });



                                    } else{
                                        Toast.makeText(getApplicationContext(),"Une erreur inconnue s'est produite",Toast.LENGTH_SHORT).show();
                                    }
                                }
                            }

                        });
                  }
             })

我在网上搜索了一遍又一遍google, youtube, blog ... 他们给出的大多数解决方案都是根据设备获得令牌之类的，这不好.我想使用之后的代币来及时发送通知

Answer 1

FirebaseInstanceId.getInstance().getInstanceId()返回的令牌与应用程序的用户无关。

如果您想为每个用户生成一个新的实例 ID，您需要在用户注销或新用户登录时清除现有的实例 ID。

在这里查看我的回答以获得更详细的解释：

另见：

How to handle multiple Firebase FCM tokens per user?
Receiving the same token for different users when using firebase messaging
Is FCM (firebase cloud messaging) Token for one device or for one account?

Firebase + android 为我的应用程序的每个用户独立于设备生成唯一令牌的方法？

Firebase + android method for generating a unique token for each user of my application independent from the device?

android

firebase

firebase-authentication

firebase-cloud-messaging