login.java

package org.justpagans.httpnaomi.churchdiary;

import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import org.w3c.dom.Text;


public class Login extends ActionBarActivity implements View.OnClickListener {

    Button bLogin;
    EditText etUsername, etPassword;


    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

        etUsername = (EditText)findViewById(R.id.etUsername);
        etPassword = (EditText)findViewById(R.id.etPassword);
        bLogin = setOnClickListener(this);
        }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.bLogin:


                break;
            }
        }
    }

errors
Error:(17, 8) error: class Login is public, should be declared in a file named Login.java
Error:(30, 18) error: cannot find symbol method setOnClickListener(Login)
~~

Main Activity

package org.justpagans.httpnaomi.churchdiary;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends ActionBarActivity implements View.OnClickListener {

    Button bLogout;
    EditText etName, etPosition, etEmail;

    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        etName = (EditText) findViewById(R.id.etName);
        etPosition = (EditText) findViewById(R.id.etPosition);
        etEmail = (EditText) findViewById(R.id.etEmail);

        bLogout = (Button) findViewById(R.id.bLogout);

        bLogout.setOnClickListener(this);
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.bLogout:


                break;
        }
    }
}

errors

Error:(24, 45) error: cannot find symbol variable bLogout
Error:(31, 22) error: cannot find symbol variable bLogout
~~
register.java
package org.justpagans.httpnaomi.churchdiary;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewOutlineProvider;
import android.widget.Button;
import android.widget.EditText;

public class register extends ActionBarActivity implements View.OnClickListener{

    Button brRegister;
    EditText etName, etPosition, etEmail, etPassword;


    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.OnCreate(savedInstanceState);
        setContentView(R.layout.activity_register);

        etName = (EditText) findViewById(R.id.etName);
        etPosition = (EditText) findViewById(R.id.etPosition);
        etEmail = (EditText) findViewById(R.id.etEmail);
        etPassword = (EditText) findViewById(R.id.etPassword);

        brRegister.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.bRegister:


                break;;
        }
    }
}

errors
Error:(19, 14) error: cannot find symbol method OnCreate(Bundle)