MyLwp.java

            timer = rx.Observable.concat(
                    rx.Observable.range(0, 999),
                    rx.Observable.range(0, 999).map(new Func1<Integer, Integer>() {
                        @Override
                        public Integer call(Integer integer) {
                            return 999 - integer;
                        }
                    })
                    )
                    .debounce(3, TimeUnit.MILLISECONDS)
                    .repeat()
                    .observeOn(Schedulers.io())
                    .subscribeOn(AndroidSchedulers.mainThread())
                    .subscribe(new Action1<Integer>() {
                        @Override
                        public void call(Integer integer) {
                            float offset = integer / 1000f;
                            Timber.d("generated offset " + offset);
//                            setXOffset(offset);
                        }
                    });