public class CameraGridAdapter implements SectionedAdapter {

    private Section section;
    private List<Camera> mList;

    private Context mContext;
    private OnGridOpenDetailsClick mCallbackDetails;

    private ViewHolder mViewHolder;

    public CameraGridAdapter(Context context, List<Camera> list,  OnGridOpenDetailsClick onOpenDetailsClick) {
        mContext = context;
        section = new Section();
        mCallbackDetails = onOpenDetailsClick;
        section.setSectionTitle("CameraGridAdapter");
        mList = list;
    }

    @Override
    public View getHeaderViewForSection(int section, View convertView, ViewGroup parent) {
        return null;
    }

    @Override
    public Class[] getViewTypes() {
        return new Class[] { LinearLayout.class };
    }

    @Override
    public Class getViewType(FreeFlowItem proxy) {
        return LinearLayout.class;
    }

    @Override
    public boolean shouldDisplaySectionHeaders() {
        return false;
    }

    public void update(ArrayList<Camera> camera){

        for(Object o : camera){
            section.getData().add(o);
        }

    }

    @Override
    public long getItemId(int section, int position) {
        return section * 1000 + position;
    }

    @Override
    public View getItemView(int section, int position, View convertView, ViewGroup parent) {

        mViewHolder = new ViewHolder();

        if(convertView == null) {

            convertView = LayoutInflater.from(mContext).inflate(R.layout.adapter_thumbnail_big, parent, false);
            mViewHolder.background = (ImageView) convertView.findViewById(R.id.big_thumbnail);
            mViewHolder.cityName = (TextView) convertView.findViewById(R.id.city);
            mViewHolder.cameraName = (TextView) convertView.findViewById(R.id.camera_name);
            convertView.setTag(mViewHolder);

        } else {
            mViewHolder = (ViewHolder) convertView.getTag();
        }

        Camera camera = getItem(position);

        mViewHolder.cityName.setText(camera.getCity() + " / " + camera.getStatePrefix());
        mViewHolder.cameraName.setText(camera.getTitle());

        mViewHolder.background.setTag(position);
        mViewHolder.cameraName.setTag(position);
        mViewHolder.cityName.setTag(position);

        mViewHolder.background.setOnClickListener(onItemClick);

        ImageLoader.getInstance().displayImage(TagApplication.URL_TEMP_SERVER + camera.getUrlImage(), mViewHolder.background);

        return convertView;
    }

    private View.OnClickListener onItemClick = new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            Camera camera = getItem(Integer.valueOf(view.getTag().toString()));
            if (camera != null && mCallbackDetails != null) {
                mCallbackDetails.onItemClick(camera);
            }

        }
    };

    //CRASH HERE

    public Camera getItem(int i) {

        Camera camera = new Camera();

        if(mList != null) {
            return mList.get(i);
        } else {
            return camera;
        }
    }

    @Override
    public int getNumberOfSections() {
        if(section.getData().size() == 0) return 0;
        return 1;
    }

    @Override
    public Section getSection(int index) {
        return section;
    }

    private static class ViewHolder {

        private ImageView background;
        private TextView cameraName;
        private TextView cityName;

    }

    public static interface OnGridOpenDetailsClick {
        public void onItemClick(Camera camera);
    }

}