MyAPP(resolverApp)

package alice.bw.com.resolverapp;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.squareup.picasso.Picasso;

import java.util.List;
import java.util.Map;

/**
 * Created by Me on 2017/11/22.
 */

public class MyAdapter extends BaseAdapter {

    List<Map<String,String>> list;
    Context context;

    public MyAdapter(List<Map<String, String>> list, Context context) {
        this.list = list;
        this.context = context;
    }

    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        return list.get(position);
    }

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

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder vh;
        if (convertView == null){
            vh = new ViewHolder();
            convertView = View.inflate(context, R.layout.list_layout, null);
            vh.iv = (ImageView) convertView.findViewById(R.id.iv);
            vh.tv = (TextView) convertView.findViewById(R.id.tv);
            convertView.setTag(vh);
        } else {
            vh = (ViewHolder) convertView.getTag();
        }

        Picasso.with(context).load(list.get(position).get("pic")).into(vh.iv);
        vh.tv.setText(list.get(position).get("title"));

        return convertView;
    }

    class ViewHolder{
        TextView tv;
        ImageView iv;
    }
}