Почему не удалось получить экземпляр FirebaseDatabase и как это исправить?
Есть форма регистрации после ввода данных при нажатие на кнопку зарегистрироваться приложение вылетает с такой ошибкой
com.google.firebase.database.DatabaseException: Failed to get FirebaseDatabase instance: Specify DatabaseURL within FirebaseApp or from your getInstance() call.
at com.google.firebase.database.FirebaseDatabase.getInstance(FirebaseDatabase.java:97)
at com.google.firebase.database.FirebaseDatabase.getInstance(FirebaseDatabase.java:57)
at com.buratinoapps.freelitecoinfaucet.RegisterActivity.queryAccountExistence(RegisterActivity.java:174)
at com.buratinoapps.freelitecoinfaucet.RegisterActivity.access$400(RegisterActivity.java:36)
at com.buratinoapps.freelitecoinfaucet.RegisterActivity$2.onClick(RegisterActivity.java:116)
at android.view.View.performClick(View.java:8160)
at android.widget.TextView.performClick(TextView.java:16222)
at android.view.View.performClickInternal(View.java:8137)
at android.view.View.access$3700(View.java:888)
at android.view.View$PerformClick.run(View.java:30236)
at android.os.Handler.handleCallback(Handler.java:938)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:246)
at android.app.ActivityThread.main(ActivityThread.java:8528)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
Код RegisterActivity
public class RegisterActivity extends AppCompatActivity {
private Button registerBtn;
private EditText nameEdit, emailEdit, passwordEdit, confirmPasswordEdit;
private ProgressBar progressBar;
private TextView loginTV;
private FirebaseAuth auth;
private String deviceID;
@SuppressLint("HardwareIds")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
auth = FirebaseAuth.getInstance();
deviceID = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
init();
clickListener();
}
private void init() {
registerBtn = findViewById(R.id.registerBtn);
nameEdit = findViewById(R.id.nameET);
emailEdit = findViewById(R.id.emailET);
passwordEdit = findViewById(R.id.passwordET);
confirmPasswordEdit = findViewById(R.id.confirmPass);
progressBar = findViewById(R.id.progressBar);
loginTV = findViewById(R.id.login_tv);
}
private void clickListener() {
loginTV.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(RegisterActivity.this, LoginActivity.class));
finish();
}
});
registerBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String name = nameEdit.getText().toString();
String email = emailEdit.getText().toString();
String pass = passwordEdit.getText().toString();
String confirmPass = confirmPasswordEdit.getText().toString();
if (name.isEmpty()) {
nameEdit.setError("Required");
return;
}
if (email.isEmpty()) {
emailEdit.setError("Required");
return;
}
if (pass.isEmpty()) {
passwordEdit.setError("Required");
return;
}
if (confirmPass.isEmpty() || !pass.equals(confirmPass)) {
confirmPasswordEdit.setError("Invalid Password");
return;
}
queryAccountExistence(email, pass);
}
});
}
private void createAccount(final String email, String password) {
progressBar.setVisibility(View.VISIBLE);
auth.createUserWithEmailAndPassword(email, password)
.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
//Registration success:
final FirebaseUser user = auth.getCurrentUser();
assert user != null;
//send email verification link
auth.getCurrentUser().sendEmailVerification()
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
updateUi(user, email);
} else {
Toast.makeText(RegisterActivity.this, "Error: "
+ task.getException().getMessage(),
Toast.LENGTH_SHORT).show();
}
}
});
} else {
progressBar.setVisibility(View.GONE);
//Registration failed:
Toast.makeText(RegisterActivity.this, "Error: " +
task.getException().getMessage(), Toast.LENGTH_SHORT).show();
}
}
});
}
private void queryAccountExistence(final String email,final String pass) {
DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("Users");
Query query = ref.orderByChild("deviceID").equalTo(deviceID);
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot.exists()) {
//device already registered
Toast.makeText(RegisterActivity.this,
"This device is already registered on another email, please login",
Toast.LENGTH_SHORT).show();
} else {
//device id not found
createAccount(email, pass);
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
}
private void updateUi(FirebaseUser user, String email) {
String refer = email.substring(0, email.lastIndexOf("@"));
String referCode = refer.replace(".", "");
//identify that this user already sign up
HashMap<String, Object> map = new HashMap<>();
map.put("name", nameEdit.getText().toString());
map.put("email", email);
map.put("uid", user.getUid());
map.put("image", " ");
map.put("coins", 0);
map.put("referCode", referCode);
map.put("spins", 2);
map.put("deviceID", deviceID);
map.put("redeemed", false);
Date date = Calendar.getInstance().getTime();
SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy", Locale.ENGLISH);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.DAY_OF_MONTH, -1); // to get yesterday date
Date previousDate = calendar.getTime();
String dateString = dateFormat.format(previousDate);
FirebaseDatabase.getInstance().getReference().child("Daily Check")
.child(user.getUid())
.child("date")
.setValue(dateString);
DatabaseReference reference = FirebaseDatabase.getInstance().getReference().child("Users");
reference.child(user.getUid())
.setValue(map)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
Toast.makeText(RegisterActivity.this, "Registered, Please verify email",
Toast.LENGTH_SHORT).show();
startActivity(new Intent(RegisterActivity.this, LoginActivity.class));
finish();
} else {
Toast.makeText(RegisterActivity.this, "Error: " +
task.getException().getMessage(),
Toast.LENGTH_SHORT).show();
}
progressBar.setVisibility(View.GONE);
}
});
}
}
Простой
