How to save the state of rediobutton throughout the application in android?
I have two radio groups and each group has two radiobuttons.
the default value is true (i.e. checked ) for first radiobutton in each group.
When user cliks on any radiobutton and when user comeback from other activities the selections made on these radiogroups/radiobuttons are gone...
how can I save/restore radiogroup/radiobutton selection state ?? 
here is my java code..for one radiogroup..

            final RadioButton radioOn = ( RadioButton )findViewById(
            R.id.rbOn );
        final RadioButton radioOff = ( RadioButton )findViewById(
            R.id.rbOff );
        radioOn.setChecked( true );
        radioOn.setOnClickListener( auto_lock_on_listener );
        radioOff.setOnClickListener( auto_lock_off_listener );

please help.
How to save the state of rediobutton throughout the application in android?
===

I have two radio groups and each group has two radiobuttons.
the default value is true (i.e. checked ) for first radiobutton in each group.
When user cliks on any radiobutton and when user comeback from other activities the selections made on these radiogroups/radiobuttons are gone...
how can I save/restore radiogroup/radiobutton selection state ?? 
here is my java code..for one radiogroup..

            final RadioButton radioOn = ( RadioButton )findViewById(
            R.id.rbOn );
        final RadioButton radioOff = ( RadioButton )findViewById(
            R.id.rbOff );
        radioOn.setChecked( true );
        radioOn.setOnClickListener( auto_lock_on_listener );
        radioOff.setOnClickListener( auto_lock_off_listener );

please help.