Set selected index of an Android RadioGroup

Question

Is there a way to set the selected index of a RadioGroup in android, other than looping through the child radiobuttons and selecting checking the radio button at the selected in

Answer 1

Using Kotlin you can make it by

  (radio_group_id.getChildAt(index) as RadioButton).isChecked = true

or

radio_group_id.check(R.id.radio_button_id)