how to change color of radi button selected in alerdialog
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
getActivity(),
R.style.MaterialThemeDialog);
alertDialogBuilder.setTitle(R.string.image_resolution);
alertDialogBuilder.setSingleChoiceItems(R.array.quality_labels, getPosition(), this);
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();