final AlertDialog.Builder ratingdialog = new AlertDialog.Builder(this);
ratingdialog.setIcon(android.R.drawable.btn_star_big_on);
ratingdialog.setIcon(R.drawable.icr);
ratingdialog.setTitle("Оценить приложение");
ratingdialog.setCancelable(false);
View linearlayout = getLayoutInflater().inflate(R.layout.ratingdialog, null);
ratingdialog.setView(linearlayout);

final RatingBar rating = (RatingBar)linearlayout.findViewById(R.id.ratingbar);

rating.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {

            @Override
            public void onRatingChanged(RatingBar ratingBar, float rating,
                                        boolean fromUser) {
                ratingBar.setRating(rating);
                ratingBar.setRating(rating);

                Toast.makeText(MainActivity.this, "рейтинг: " + String.valueOf(rating),
                        Toast.LENGTH_LONG).show();
            }
        });

ratingdialog.setPositiveButton("Готово",
                new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                })

                .setNegativeButton("Отмена",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                            }
                        });
ratingdialog.create();
ratingdialog.show();