FileListAdapter.java

package com.android.music.filemanager;

import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.music.R;
public class FileListAdapter extends BaseAdapter {

    private LayoutInflater inflater;
    private List<FileInfo> fileList;

    public FileListAdapter(Context context, List<FileInfo> files) {
        fileList = files;
        inflater = LayoutInflater.from(context);
    }

    public int getCount() {

        return fileList.size();
    }

    public Object getItem(int position) {

        return fileList.get(position);
    }

    public long getItemId(int position) {

        return position;
    }

/*    public View getView(int position, View convertView, ViewGroup parent) {

        View v;

        if (convertView == null) {
            v = inflater.inflate(R.layout.list_item, null);
        }
        else {
            v = convertView;
        }

        FileInfo f = fileList.get(position);
        TextView fileName = (TextView) v.findViewById(R.id.list_item_name);
        fileName.setText(f.Name);
        ImageView fileIcon = (ImageView) v.findViewById(R.id.list_item_icon);
        fileIcon.setImageResource(f.getIconResourceId());

        return v;
    }*/

    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder holder = null;

        if (convertView == null) {

            convertView = inflater.inflate(R.layout.list_item, null);
            holder = new ViewHolder();
            holder.name = (TextView) convertView.findViewById(R.id.list_item_name);
            holder.icon = (ImageView) convertView.findViewById(R.id.list_item_icon);
            convertView.setTag(holder);
        }else {
            holder = (ViewHolder) convertView.getTag();
        }

        FileInfo f = fileList.get(position);
        holder.name.setText(f.Name);
        holder.icon.setImageResource(f.getIconResourceId());

        return convertView;
    }

    private class ViewHolder {
        TextView name;
        ImageView icon;
    }
}