@Override public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_single_tweet, container, false); up = (ActionButton) view.findViewById(R.id.single_tweet_button_up); up.removeShadow(); up.setImageDrawable(getResources().getDrawable(R.drawable.ic_keyboard_arrow_up_white_36dp)); up.setButtonColor(R.color.single_tweet_button); up.setOnClickListener(this); down = (ActionButton) view.findViewById(R.id.single_tweet_button_down); down.removeShadow(); down.setImageDrawable(getResources().getDrawable(R.drawable.ic_keyboard_arrow_down_white_36dp)); down.setButtonColor(R.color.single_tweet_button); down.setOnClickListener(this); pager = (VerticalViewPager) view.findViewById(R.id.vertical_view_pager); return view; }