<declare-styleable name="SmartMenu">
        <attr name="inner_padding" format="dimension" />  
        <attr name="outer_padding" format="dimension" />
        <attr name="smart_btn_size" format="dimension" />
        <attr name="vertical_padding" format="dimension" />
        <attr name="dot_radius" format="dimension" />
        <attr name="dot_distance" format="dimension" />
        <attr name="dot_color" format="color|reference" />
        <attr name="bg_color" format="color|reference" />
        <attr name="shadow_color" format="color|reference" />
    </declare-styleable>

public class MenuAdapter extends BaseAdapter implements View.OnClickListener{

    private int[] images = new int[]{R.mipmap.icon_album,
            R.mipmap.icon_comment,
            R.mipmap.icon_draft,
            R.mipmap.icon_like};
    private ItemEventListener listener;

    public void setListener(ItemEventListener listener) {
        this.listener = listener;
    }

    @Override
    public int getCount() {
        return 4;
    }

    @Override
    public Object getItem(int i) {
        return null;
    }

    @Override
    public long getItemId(int i) {
        return 0;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item_menu, viewGroup, false);
        view.setOnClickListener(this);
        view.setTag(i);
        ImageView img = (ImageView) view.findViewById(R.id.image_view);
        img.setImageResource(images[i]);
        return view;
    }

    @Override
    public void onClick(View view) {
        if(listener!=null){
            listener.onEventNotify(view,(int)view.getTag());
        }
    }

}