FloatingActionButton hide on list scroll

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Those who are looking to make it with recyclerview can do this:

recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {

    @Override
    public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
        if (dy > 0 || dy < 0 && fab.isShown())
            fab.hide();
    }

    @Override
    public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
        if (newState == RecyclerView.SCROLL_STATE_IDLE)
            fab.show();
        super.onScrollStateChanged(recyclerView, newState);
    }
});

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