[英]Writing data to Firebase database
通過 Android Studio 編寫超級克隆,第一次使用 Firebase。 但是,每次單擊注冊用戶時,都會出現錯誤並且沒有輸入任何內容。
當我在模擬器上時,我 go 到 DriverLoginActivity,輸入我的詳細信息進行注冊,無論輸入什么我都會收到請檢查用戶名和密碼要求。 但它們都匹配,email 格式和密碼超過 6 位。 無論我做什么,我都無法將新用戶注冊到數據庫
Firebase 已連接,所有依賴項均已設置。 JSON 導入並正確的 SHA1 密鑰。 我已經在模擬器和手機上試過了,所以我知道它不是互聯網。 我這輩子都想不通。
Firebase 設置為實時數據庫,具有 email 和密碼驗證。 讀寫規則也設置為 true。
任何見解將不勝感激。
MainActivity.java
public class MainActivity extends AppCompatActivity {
private Button mDriver, mCustomer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getSupportActionBar().setTitle("Hippo");
//Call Buttons
mDriver = findViewById(R.id.driver);
mCustomer = findViewById(R.id.customer);
mDriver.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
Intent intent = new Intent(MainActivity.this, DriverLoginActivity.class);
startActivity(intent);
finish();
return;
}
});
mCustomer.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
Intent intent = new Intent(MainActivity.this, CustomerLoginActivity.class);
startActivity(intent);
finish();
return;
}
});
}
}
DriverLoginActivity.java
public class DriverLoginActivity extends AppCompatActivity {
private EditText mEmail, mPassword;
private Button mLogin, mRegister;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener firebaseAuthListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
FirebaseDatabase database = FirebaseDatabase.getInstance();
FirebaseDatabase.getInstance().getReference("Users").child("Drivers");;
mAuth = FirebaseAuth.getInstance();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_driver_login);
getSupportActionBar().setTitle("Hippo Drivers");
mAuth = FirebaseAuth.getInstance();
firebaseAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
if (user != null) {
Intent intent = new Intent(DriverLoginActivity.this, MapActivity.class);
startActivity(intent);
finish();
return;
}
}
};
mEmail = findViewById(R.id.email);
mPassword = findViewById(R.id.password);
mLogin = findViewById(R.id.login);
mRegister = findViewById(R.id.register);
mRegister.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
final String email = mEmail.getText().toString();
final String password = mPassword.getText().toString();
Log.d("Done","Email and password to string");
mAuth.createUserWithEmailAndPassword(email, password).addOnCompleteListener(DriverLoginActivity.this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(!task.isSuccessful())
{
Toast.makeText(DriverLoginActivity.this, "Error - Please check username and password requirements", Toast.LENGTH_SHORT).show();
}
else
{
String user_id = mAuth.getCurrentUser().getUid();
DatabaseReference current_user_db = FirebaseDatabase.getInstance().getReference().child("Users").child("Drivers").child(user_id);
current_user_db.setValue(true);
}
}
});
}
});
mRegister.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
final String email = mEmail.getText().toString();
final String password = mPassword.getText().toString();
mAuth.signInWithEmailAndPassword(email, password).addOnCompleteListener(DriverLoginActivity.this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(!task.isSuccessful())
{
Toast.makeText(DriverLoginActivity.this, "Error - Please check username and/or password", Toast.LENGTH_SHORT).show();
}
else
{
//REGISTERED
}
}
});
}
});
}
@Override
protected void onStart()
{
super.onStart();
mAuth.addAuthStateListener(firebaseAuthListener);
FirebaseUser currentUser = mAuth.getCurrentUser();
}
@Override
protected void onStop()
{
super.onStop();
mAuth.removeAuthStateListener(firebaseAuthListener);
}
當任務失敗時,它會包含一個異常,其中包含有關問題的更多信息。 您應該始終記錄該異常以了解問題的原因:
public void onComplete(@NonNull Task<AuthResult> task) {
if(!task.isSuccessful())
{
Log.e("Auth", "Creating user failed", task.getException()); // 👈
Toast.makeText(DriverLoginActivity.this, "Error - Please check username and password requirements", Toast.LENGTH_SHORT).show();
}
else
...
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