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사용자 가입 및 로그인 방법을 만들었습니다. 그러나 내가 가입하면 firebase에 등록 된 사용자 데이터를 보여주지 않습니다. 내 MainActivity입니다.Android 스튜디오 firebase 인증이 등록되지 않았습니다.
package com.mike.mikeproject;
import android.content.Intent;
import android.nfc.Tag;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.ChildEventListener;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
import java.util.HashMap;
public class MainActivity extends AppCompatActivity {
private DatabaseReference lDatabase;
private EditText email;
private EditText password;
private Button signup;
private Button login;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener mAuthListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lDatabase = FirebaseDatabase.getInstance().getReference();
email = (EditText) findViewById(R.id.user_email);
password = (EditText) findViewById(R.id.user_password);
signup = (Button) findViewById(R.id.signup_btn);
login = (Button) findViewById(R.id.login_btn);
mAuth = FirebaseAuth.getInstance();
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser user = firebaseAuth.getCurrentUser();
if (user == null){
}else {
startActivity(new Intent(MainActivity.this, WelcomeActivity.class));
}
}
};
signup.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String emailtodb = email.getText().toString().trim();
String passwordtodb = password.getText().toString().trim();
//Toast.makeText(MainActivity.this,"Sign up button clickeddd"+emailtodb+passwordtodb, Toast.LENGTH_LONG).show();
if(!TextUtils.isEmpty(emailtodb) && !TextUtils.isEmpty(passwordtodb)){
mAuth.createUserWithEmailAndPassword(emailtodb,passwordtodb).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(task.isSuccessful()){
startActivity(new Intent(MainActivity.this,WelcomeActivity.class));
} else {
Toast.makeText(MainActivity.this,"Sign up failed", Toast.LENGTH_LONG).show();
}
}
});
} else {
Toast.makeText(MainActivity.this,"email and password required", Toast.LENGTH_LONG).show();
}
}
});
login.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this,LoginActivity.class));
}
});
}
@Override
protected void onStart() {
super.onStart();
mAuth.addAuthStateListener(mAuthListener);
}
@Override
protected void onStop() {
super.onStop();
if (mAuthListener != null) {
mAuth.removeAuthStateListener(mAuthListener);
}
}
}
내 코드에 어떤 문제가 있습니까? 왜 서명하지 않는거야? 미리 감사드립니다.
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