1.我们一点点开始改:
首先我们自定义BaseAdapter,等下我们就要对他进行升级改造
/**
* Created by Jay on 2015/9/21 0021.
*/
public class MyAdapter extends BaseAdapter { private Context mContext; private LinkedList<Data> mData; public MyAdapter() { } public MyAdapter(LinkedList<Data> mData, Context mContext) { this.mData = mData; this.mContext = mContext; } @Override public int getCount() { return mData.size(); } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { convertView = LayoutInflater.from(mContext).inflate(R.layout.item_list, parent, false); holder = new ViewHolder(); holder.img_icon = (ImageView) convertView.findViewById(R.id.img_icon); holder.txt_content = (TextView) convertView.findViewById(R.id.txt_content); convertView.setTag(holder); } else { holder