我正在制作具有用户个人资料的类似社交媒体的应用程序。我想在他们注册时使用他们的 uid 保存他们的个人资料数据。虽然注册成功，但配置文件并未保存在 firebase 数据库中。我也检查了规则，并且为经过身份验证的用户设置了读写。

这是我的代码:

public class RegisterActivity extends AppCompatActivity implements View.OnClickListener {

private Button btn_reg;
private EditText etName, etEmail, etPassword, etCPassword, etMobile, etSchoolCompany, etLocation;
private ProgressDialog progressDialog;
private FirebaseAuth firebaseAuth;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_register);

    Firebase.setAndroidContext(this);

    firebaseAuth = FirebaseAuth.getInstance();

    progressDialog = new ProgressDialog(this);

    btn_reg = (Button)findViewById(R.id.btnRegister);
    etName = (EditText)findViewById(R.id.etName);
    etEmail = (EditText)findViewById(R.id.etEmail);
    etPassword = (EditText)findViewById(R.id.etPassword);
    etCPassword = (EditText)findViewById(R.id.etCPassword);
    etMobile = (EditText)findViewById(R.id.etMobile);
    etSchoolCompany = (EditText)findViewById(R.id.etSchoolCompany);
    etLocation = (EditText)findViewById(R.id.etLocation);

    btn_reg.setOnClickListener(this);
}

@Override
public void onClick (View view){
    if(view == btn_reg){
        registerUser();
    }
}

private void registerUser(){
    String name = etName.getText().toString();
    String mobile = etMobile.getText().toString();
    String SchoolCompany = etSchoolCompany.getText().toString();
    String location = etLocation.getText().toString();
    final String email = etEmail.getText().toString().trim();
    final String password = etPassword.getText().toString().trim();
    String cpassword = etCPassword.getText().toString().trim();

    progressDialog.setMessage("Registering..");
    progressDialog.show();

    //REGISTERING USER
    firebaseAuth.createUserWithEmailAndPassword(email, password)
            .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                @Override
                public void onComplete(@NonNull Task<AuthResult> task) {
                    if(task.isSuccessful()){

                        //THIS IS FOR STORING AUTHENTICATED USER'S DATA
                        final Firebase ref = new Firebase("https://myfirebase.firebaseio.com");
                        ref.authWithPassword(email, password, new Firebase.AuthResultHandler(){
                            @Override
                            public void onAuthenticated(AuthData authData){
                                // Authentication just completed successfully :)
                                Map<String, String> map = new HashMap<String, String>();
                                map.put("provider", authData.getProvider());
                                if(authData.getProviderData().containsKey("displayName")) {
                                    map.put("displayName", authData.getProviderData().get("displayName").toString());
                                }
                                ref.child("users").child(authData.getUid()).setValue(map);
                            }
                            @Override
                            public void onAuthenticationError(FirebaseError error) {
                //ERRORS TODO
                            }
                        });
                        progressDialog.hide();
                        Toast.makeText(RegisterActivity.this, "Registered Successfully", Toast.LENGTH_SHORT).show();
                    }else{
                        Toast.makeText(RegisterActivity.this, "Registration failed, please try again", Toast.LENGTH_SHORT).show();
                    }
                }

            });
}


}

最佳答案

来自createUserWithEmailAndPassword method reference

Tries to create a new user account with the given email address and password. If successful, it also signs the user in into the app.

这意味着您无需在注册过程完成后再次对用户进行身份验证。

为了确保任务完成并且 firebaseUser 不为空，最好将 AuthStateListener 添加到您的 FirebaseAuth 而不是在其中保存数据onComplete方法，代码在the official guide

如果用户通过身份验证，则可以保存数据。

public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
    FirebaseUser user = firebaseAuth.getCurrentUser();
    if (user != null) {
        DatabaseReference ref = FirebaseDatabase.getInstance().getReference();
        Map<String, String> map = new HashMap<>();
        map.put("provider", user.getProviders().get(0));
        if(user.getProviderData().containsKey("displayName")) {
            map.put("displayName", user.getProviderData().get("displayName").toString());
        }
        ref.child("users").child(user.getUid()).setValue(map);
    } 
}

关于android - 如何在用户注册期间将数据存储在 firebase 的实时数据库中？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/38676915/