How to get the id of selected radio button in android?

Question

I am working on quiz application in android. We have created Select.java page which displays the questions and options(with radio buttons) from sqlite datab

Answer 1

In RadioGroup Class you can use method getCheckedRadioButtonId();

RadioGroup rg = findViewById(R.id.radioGroup); rg.getCheckedRadioButtonId();

Returns the identifier of the selected radio button in this group. Upon empty selection, the returned value is -1.