封装一个基础BaseAdapter类

public abstract class MyBaseAdapter<T> extends BaseAdapter {
    private List<T> data;
    private LayoutInflater inflater;
    private int layoutRes;

    public MyBaseAdapter(Context context, int layoutRes, List<T> data) {
        inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        this.layoutRes = layoutRes;
        if (data == null) {
            this.data = new ArrayList<>();
        } else {
            this.data = data;
        }
    }

    public void updateRes(List<T> data) {
//        this.data.clear();
//        this.data.addAll(data);
        this.data = data;
        notifyDataSetChanged();
    }

    public void removeRes(int position) {
        data.remove(position);
        notifyDataSetChanged();
    }

    public void adddateRes(List<T> data) {
        if (data != null && data.size() > 0) {
            this.data.addAll(data);
            notifyDataSetChanged();
        }
    }


    public int getCount() {
        return data != null ? data.size() : 0;
    }

    public T getItem(int position) {
        return data.get(position);
    }

    public long getItemId(int position) {
        return position;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder = null;
        if (convertView == null) {
            convertView = inflater.inflate(layoutRes, parent, false);
            holder = new ViewHolder(convertView);
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }
        bindData(position, holder, getItem(position));
        return convertView;
    }

    public abstract void bindData(int position, ViewHolder holder, T t);

    protected static class ViewHolder {
        public View layout;
        private Map, View> cacheView;

        public ViewHolder(View convertView) {
            layout = convertView;
            cacheView = new HashMap<>();
        }

        public View getView(int resId) {
            View view = null;
            if (cacheView.containsKey(resId)) {
                view = cacheView.get(resId);
            } else {
                view = layout.findViewById(resId);
                cacheView.put(resId, view);
            }
            return view;
        }
    }
}