package aaa.android;

import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;

public class Homework2Activity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        LinearLayout ll= new LinearLayout(this);
        ll.setOrientation(LinearLayout.VERTICAL);
       
        Button btn_save = new Button(this);
        btn_save.setText("Save");
       
        Button btn_open = new Button(this);
        btn_open.setText("OPen");
       
        Button btn_img = new Button(this);
        btn_img.setBackgroundResource(R.drawable.ic_launcher);
       
        EditText edit = new EditText(this);
       
        CheckBox autosave = new CheckBox(this);
        autosave.setText("autosave");
       
        CheckBox star = new CheckBox(this);
        //star.setButtonDrawable(R.attr.starStyle);
       
        RadioGroup rg = new RadioGroup(this);
        RadioButton rb1,rb2;
       
        rg.setOrientation(LinearLayout.VERTICAL);       
        rb1= new RadioButton(this);
        rb2= new RadioButton(this);
        rb1.setText("kbs");
        rb2.setText("mbc");
       
       
        LinearLayout.LayoutParams paramtext =
         new LinearLayout.LayoutParams(
           LinearLayout.LayoutParams.WRAP_CONTENT,
           LinearLayout.LayoutParams.WRAP_CONTENT);
        LinearLayout.LayoutParams paramtext2 =
         new LinearLayout.LayoutParams(
           LinearLayout.LayoutParams.FILL_PARENT,
           LinearLayout.LayoutParams.WRAP_CONTENT);
       
       
        ll.addView(btn_save,paramtext2);
        ll.addView(btn_open,paramtext);
        ll.addView(btn_img,paramtext2);
        ll.addView(edit,paramtext2);
        ll.addView(autosave,paramtext);
        ll.addView(star,paramtext);
        ll.addView(rg,paramtext);
        ll.addView(rb1,paramtext);
        ll.addView(rb2,paramtext);
        setContentView(ll);
    }
}

이런식으로 만들고 있는데요 체크 박스 별모양 안드로이드에 저장 되있는거 어떻게 불러오나요

또 라디오 그룹에 라디오버튼 어떻게 넣나요 알려주세요 ㅜㅜ

xml 로는 알겠는데 소스로 해야해서요