[android-developers] RadioButton setChecked not working on configuration change

Hello, I am trying to set a RadioButton as checked/not checked through
code. It is working the first time I set it, but the second time, the
code does not set the button. Here is the relevant part of my code. I
have commented on the problematic part.

private boolean val;
@Override
protected void onCreate(Bundle savedInstanceState) {

// after orientation change, get the value
final Object obj = getLastNonConfigurationInstance();
if (null != obj) {
val = (boolean)obj;
}
init();
}

private void init() {
RadioButton rb = (RadioButton) findViewById(R.id.rb);
//This is working the first time init() called. But second time its
called on configuration change, not working.
rb.setChecked(val);
}
@Override
public Object onRetainNonConfigurationInstance() {
return val;
}

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