bouhady

private Action1<Boolean> rxRecycleSync = new Action1<Boolean>() {
        Parcelable parcelable = null;
        @Override
        public void call(Boolean saveState) {
            if (saveState)
                parcelable = recyclerView.getLayoutManager().onSaveInstanceState();
            else
                recyclerView.getLayoutManager().onRestoreInstanceState(parcelable);
        }
    };

bouhady

final Activity activity = this.getActivity();
        if (activity != null) {
            activity.runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    activity.finish();
                    activity.overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
                }
            });
        }