Restoring and Editing the previously entered values - Android

I have a simple android page with a spinner, two check boxes and a submit button. The java code for the screen is as follows:

import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.content.Intent;
import org.json.JSONException;
import org.json.JSONObject;


public class Main extends AppCompatActivity implements View.OnClickListener{

    private Button submit;
    private Button edit;

    Spinner place;
    private CheckBox male;
    private CheckBox female;

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

        submit = (Button) findViewById(R.id.btn_submit);
        submit.setOnClickListener(this);

        edit = (Button) findViewById(R.id.btn_edit);
        edit.setVisibility(View.GONE);

        place = (Spinner) findViewById(R.id.place);
        place.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

            @Override
            public void onItemSelected(AdapterView<?> adapter, View v,
                                       int position, long id) {
                // On selecting a spinner item
                String item = adapter.getItemAtPosition(position).toString();
                str_specimen = item;
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0) {
                // TODO Auto-generated method stub

            }
        });

        male = (CheckBox) findViewById(R.id.male);
        male.setChecked(false);
        female = (CheckBox) findViewById(R.id.female);
        female.setChecked(false);

        submit.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(Main.this,
                        home.class);
                startActivity(intent);
            }
        });
    }
}

I have a edit button that is not visible initially. When I choose a value from spinner and check a value in the check box and click on submit button. These values are sent to database and home page will launch.

What I want to do is that, when I visit the main page again, I want the previously selected values to appear and the spinner and checkbox should not be clickable, and the edit button should show up. If i click on the edit button the spinner and checkbox should be clickable and i should be able to submit again.

Can someone tell me how to do this?