title: How to check Radio Button in first activity while coming back from second activity in Android application
body: <p>Functionality: I have three activities in my application, in activity one i have 2 set of radio button. When user click yes on first set of radio button he moves to activity 2nd. When he come back to original activity the radio button should be checked. 
  After that if he click the second yes he should be taken to activity 3rd. and similarly both the radio button should be checked yes when he comes back to main activity. </p>
  
  <p>Problem: i am able to perform almost every part of functionality except when he comes back from 3rd activity only one radio button is selected.</p>