protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_startup);
        LoginButton();
    }

    public void LoginButton(){
        username = (EditText)findViewById(R.id.login_username);
        password = (EditText)findViewById(R.id.login_password);
        login_button = (Button)findViewById(R.id.startup_login_button);
        login_button.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        if (username.getText().toString().equals("admin") && password.getText().toString().equals("admin")){
                           Intent intent = new Intent(getApplicationContext(),MainActivity.class);
                            startActivity(intent);
                        }
                    }
                }
        );
    }
}