android onCheckedChanged for radiogroup

Question

I\'m writing an Activity in android where I have two radio buttons under a RadioGroup. One of them is checked by default. But I can\'t trigger the event in

Answer 1

 radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(RadioGroup group, int checkedId) {

            if (checkedId == R.id.radioButton1) {
             //do work when radioButton1 is active
            } else  if (checkedId == R.id.radioButton2) {
             //do work when radioButton2 is active
          } else  if (checkedId == R.id.radioButton3) {
             //do work when radioButton3 is active
          }

        }
    });

this work for me . hope is helpfull