我昨天添加了firebase身份验证,它工作正常,但今天在编辑一些文件后它崩溃了。仅当我添加“firebaseAuth =FirebaseAuth.getInstance()”时,应用程序才会崩溃。如果我删除它,那么一切正常,但现在我无法添加 firebase。
SignUp.java
import android.app.ProgressDialog;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
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;
public class SignUp extends AppCompatActivity implements View.OnClickListener {
private TextView alreadyRegistered;
private EditText mEmailView;
private EditText mPasswordView;
private Button signup;
private FirebaseAuth firebaseAuth;
ProgressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sign_up);
progressDialog=new ProgressDialog(this);
mEmailView = (EditText) findViewById(R.id.email_signup);
mPasswordView = (EditText) findViewById(R.id.password_signup);
signup=(Button)findViewById(R.id.signup);
alreadyRegistered=(TextView)findViewById(R.id.already_registered);
// firebaseAuth =FirebaseAuth.getInstance();
//// if(firebaseAuth.getCurrentUser() != null){
//// //that means user is already logged in
//// //so close this activity
//// finish();
////
//// //and open profile activity
//// startActivity(new Intent(getApplicationContext(), Home.class));
//// }
alreadyRegistered.setOnClickListener(this);
signup.setOnClickListener(this);
}
函数式编程
RISEBY
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