RadioButton - Android Widgets Example

package com.myapp;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.RadioButton;
import android.widget.Toast;
import android.widget.Button;

public class MainActivity extends Activity {
	
	RadioButton myRadio1, myRadio2 ;
	Button btn1;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        myRadio1 = (RadioButton)findViewById(R.id.radioButton1);
        myRadio2 = (RadioButton)findViewById(R.id.radioButton2);
 
        btn1 = (Button) findViewById(R.id.button1);
	    btn1.setOnClickListener(new View.OnClickListener() {
			  public void onClick(View v) {
		 		   // TODO Auto-generated method stub
		 		   Toast.makeText(MainActivity.this,
		 		     "RadioButton 1 : " + myRadio1.isChecked() + "\n"+
		 		     "RadioButton 2 : " + myRadio2.isChecked(),
		 		     Toast.LENGTH_LONG).show();
			  }
		}); 
	    
	};
   
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}