title: how to save the state of radio buttons
body: <p>I have made 4 radio buttons and want to save the state when any of them is clicked and then want to use that saved state in the application.How can i do that?</p>
  
  <pre><code>                    myOption1.setChecked(true);
          myOption2.setChecked(true);
          myOption3.setChecked(true);
          myOption4.setChecked(true);
  </code></pre>