EmoticonDrawable.java 文件源码

void animation() {
    if (delay > 0 && frameNum > 0)
        Observable
                .interval(delay, TimeUnit.MILLISECONDS)
                .flatMap(new Function<Long, ObservableSource<Long>>() {
                    @Override
                    public ObservableSource<Long> apply(Long aLong) throws Exception {
                        return Observable.just(aLong);
                    }
                })
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<Long>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                    }

                    @Override
                    public void onNext(Long drawable) {
                        position++;
                        if (position >= frameNum) position = 0;
                    }

                    @Override
                    public void onError(Throwable e) {
                    }

                    @Override
                    public void onComplete() {
                    }
                });
}