Android Open Source - brainrot File List Adapter

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License

The source code is released under:

Apache License

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Java Source Code

/* 
 * Copyright (C) 2012 Paul Burke/*from ww  w .  j  a  va 2  s.c om*/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */

package com.ipaulpro.afilechooser;

import java.io.File;
import java.util.ArrayList;
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;

/**
 * List adapter for Files.
 * 
 * @version 2012-10-28
 * 
 * @author paulburke (ipaulpro)
 * 
 */
public class FileListAdapter extends BaseAdapter {

  private final static int ICON_FOLDER = R.drawable.ic_folder;
  private final static int ICON_FILE = R.drawable.ic_file;

  private List<File> mFiles = new ArrayList<File>();
  private final LayoutInflater mInflater;

  public FileListAdapter(Context context) {
    mInflater = LayoutInflater.from(context);
  }

  public ArrayList<File> getListItems() {
    return (ArrayList<File>) mFiles;
  }

  public void setListItems(List<File> files) {
    this.mFiles = files;
    notifyDataSetChanged();
  }

  public int getCount() {
    return mFiles.size();
  }

  public void add(File file) {
    mFiles.add(file);
    notifyDataSetChanged();
  }

  public void clear() {
    mFiles.clear();
    notifyDataSetChanged();
  }

  public Object getItem(int position) {
    return mFiles.get(position);
  }

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

  public View getView(int position, View convertView, ViewGroup parent) {
    View row = convertView;
    ViewHolder holder = null;

    if (row == null) {
      row = mInflater.inflate(R.layout.file, parent, false);
      holder = new ViewHolder(row);
      row.setTag(holder);
    } else {
      // Reduce, reuse, recycle!
      holder = (ViewHolder) row.getTag();
    }

    // Get the file at the current position
    final File file = (File) getItem(position);

    // Set the TextView as the file name
    holder.nameView.setText(file.getName());

    // If the item is not a directory, use the file icon
    holder.iconView.setImageResource(file.isDirectory() ? ICON_FOLDER
        : ICON_FILE);

    return row;
  }

  static class ViewHolder {
    TextView nameView;
    ImageView iconView;

    ViewHolder(View row) {
      nameView = (TextView) row.findViewById(R.id.file_name);
      iconView = (ImageView) row.findViewById(R.id.file_icon);
    }
  }
}

Java Source Code List