Extracting Responses

WeeklySurveyFragment.java

...
      private String extractResponseFor(View view) {
        RadioGroup options = (RadioGroup) view.findViewById(R.id.radio_group);
        int selection = options.getCheckedRadioButtonId();

        if (selection == -1) {
            options.setBackgroundColor(getActivity().getResources().getColor(R.color.form_validation));
            isFormValid = false;
            return getString(R.string.unknown);
        } else {
            options.setBackgroundColor(0);
            RadioButton button = (RadioButton) view.findViewById(selection);
            return button.getText().toString();
        }
    }
...