我不确定问题出在哪里。我是一名初学者开发人员，我为我正在开发的 Android 应用程序编写了注册/登录页面。新用户将保存在 Firebase 授权 中，但不会保存在 Firebase 数据库 中。我当前的规则设置为 false，但当我尝试将它们设置为 true 时，应用程序不断返回到 SetupActivity 而不是 MainActivity。当规则设置为 false 时，应用程序运行良好，但正如我所说，数据库 中什么也没有出现。这是我的代码:
公共(public)类SetupActivity扩展了AppCompatActivity{
private EditText FullName, EmailAddress, Password, CountryName;
private Button SaveInfoButton;
private ProgressDialog LoadingBar;
private CircleImageView ProfileImage;
private FirebaseAuth register_auth;
private DatabaseReference userreference;
private String currentUserID;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setup);
register_auth = FirebaseAuth.getInstance();
currentUserID = register_auth.getCurrentUser().getUid();
userreference = FirebaseDatabase.getInstance().getReference().child("Users").child(currentUserID);
FullName = findViewById(R.id.name_setup);
EmailAddress = findViewById(R.id.email_setup);
Password = findViewById(R.id.password_setup);
CountryName = findViewById(R.id.country_setup);
SaveInfoButton = findViewById(R.id.save_button);
ProfileImage = findViewById(R.id.profile_setup);
LoadingBar = new ProgressDialog(this);
SaveInfoButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view)
{
CreateNewAccount();
}
});
}
private void CreateNewAccount() {
String full_name = FullName.getText().toString();
String email = EmailAddress.getText().toString();
String password = Password.getText().toString();
String country = CountryName.getText().toString();
if(TextUtils.isEmpty(email)) {
Toast.makeText(this, "Please enter email.", Toast.LENGTH_SHORT).show();
}
else if(TextUtils.isEmpty(full_name)) {
Toast.makeText(this, "Please enter your name.", Toast.LENGTH_SHORT).show();
}
else if(TextUtils.isEmpty(password)) {
Toast.makeText(this, "Please enter password.", Toast.LENGTH_SHORT).show();
}
else if(TextUtils.isEmpty(country)) {
Toast.makeText(this, "Please enter country.", Toast.LENGTH_SHORT).show();
}
else {
LoadingBar.setTitle("Creating new account!");
LoadingBar.setMessage("Please wait while your account is being created.");
LoadingBar.show();
LoadingBar.setCanceledOnTouchOutside(true);
register_auth.createUserWithEmailAndPassword(email, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(task.isSuccessful()) {
LoadingBar.dismiss();
Toast.makeText(SetupActivity.this, "Registration was successful!", Toast.LENGTH_SHORT).show();
SaveAccountInformation();
}
else {
String message = task.getException().getMessage();
Toast.makeText(SetupActivity.this, "Registration unsuccessful." + message, Toast.LENGTH_SHORT).show();
LoadingBar.dismiss();
}
}
});
}
}
private void SaveAccountInformation() {
String full_name = FullName.getText().toString();
String country = CountryName.getText().toString();
Map<String, Object> childUpdates = new HashMap<>();
childUpdates.put("fullname", full_name);
childUpdates.put("country", country);
childUpdates.put("status", "Hey there, I am using Study Guide!");
childUpdates.put("birthday", "none");
userreference.updateChildren(childUpdates).addOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task) {
if (task.isSuccessful()) {
SendToLogin();
}
else {
String message = task.getException().getMessage();
Toast.makeText(SetupActivity.this, "An error occurred. " + message, Toast.LENGTH_SHORT).show();
}
}
});
}
private void SendToLogin() {
Intent LoginIntent = new Intent(SetupActivity.this,LoginActivity.class);
LoginIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(LoginIntent);
finish();
}
}
如果有人能指出我正确的方向或让我知道我做错了什么，我将非常感激!
最佳答案
Hazal 您没有保存数据，您正在更新数据，因此请更改您的代码
来自
userreference.updateChildren(childUpdates)
至
userreference.setValue(childUpdates)
关于java - 不会将数据保存到 Android 中的 Firebase 数据库，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/61587924/