@Override
protected void onCreate(Bundle savedInstanceState) { //where you initialize your activity
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);//this tell the ...which file it is using

    //to log app activation
    FacebookSdk.sdkInitialize(getApplicationContext());
    AppEventsLogger.activateApp(this);

    //reference all the fields and buttons on the xml file
    final EditText etUserName = (EditText) findViewById(R.id.etUserName);// this is declaring the varible etAge as a final editText and will not be assigned to anything else and to find the text view
    final EditText etPassWord = (EditText) findViewById(R.id.etPassWord);
    final Button bLogin = (Button) findViewById(R.id.bLogin);
    final TextView RegisterLink = (TextView) findViewById(R.id.RegisterLink);

    RegisterLink.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent registerIntent = new Intent(LoginActivity.this, RegisterActivity.class);
            LoginActivity.this.startActivity(registerIntent);
        }
    });

bLogin.setOnClickListener(new View.OnClickListener(){
    @Override
    public void onClick(View v) {
        final String username = etUserName.getText().toString();
        final String password = etPassWord.getText().toString();

        Response.Listener<String> responseListener = new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                try {
                    JSONObject jsonResponce = new JSONObject(response);
                    boolean success = jsonResponce.getBoolean("success");

                    if (success){
                        String name = jsonResponce.getString("name");
                        String username = jsonResponce.getString("password");

                        Intent intent = new Intent(LoginActivity.this, MainUserArea.class);//this is to pass the name and age to the new activity
                        intent.putExtra("name", name);
                        intent.putExtra("username", username);

                        LoginActivity.this.startActivity(intent);
                    }else{
                        //if not successsfull print error page
                        AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
                        builder.setMessage("Login Failed")
                                .setNegativeButton("Retry",null)
                                .create()
                                .show();
                    }

                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        };

        LoginRequest LoginRequest = new LoginRequest(username, password, responseListener);
        // to deal with the request
        RequestQueue queue = Volley.newRequestQueue(LoginActivity.this);
        queue.add(LoginRequest);

        //the google login


    }
});

    //the facebook login code
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.splash, container, false);

        loginButton = (LoginButton) view.findViewById(R.id.login_button);
        loginButton.setReadPermissions("email");
        // If using in a fragment
        loginButton.setFragment(this);
        // Other app specific specialization

        // Callback registration
        loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
            @Override
            public void onSuccess(LoginResult loginResult) {
                // App code
            }

            @Override
            public void onCancel() {
                // App code
            }

            @Override
            public void onError(FacebookException exception) {
                // App code
            }
        });
    }
}