Erro na api aFileChooser

Estou usando uma API (aFileChooser) estava funcionando ate alguns dias atraz, hoje começou a dar esse erro, o que pode ser? como resolver?

C:\Users\Igor\Desktop\backups Servidor\Server2\aFileChooser\src\main\java\com\ipaulpro\afilechooser\FileListFragment.java:
uses or overrides a deprecated API.
Recompile with -Xlint:deprecation for details.

Segue o arquivo FileListFragment.java

package com.ipaulpro.afilechooser;

import android.app.Activity;

import android.os.Bundle;

import android.os.Environment;

import android.support.v4.app.ListFragment;

import android.support.v4.app.LoaderManager;

import android.support.v4.content.Loader;

import android.view.View;

import android.widget.ListView;

import java.io.File;
import java.util.List;

/**

• Fragment that displays a list of Files in a given path.

• @version 2013-12-11

• @author paulburke (ipaulpro)
  
  */
  
  public class FileListFragment extends ListFragment implements
  
  LoaderManager.LoaderCallbacks<List> {
  

  /**

  • Interface to listen for events.
    /
    public interface Callbacks {
    /*
    • Called when a file is selected from the list.
    • @param file The file selected
      */
      public void onFileSelected(File file);
      }

  private static final int LOADER_ID = 0;

  private FileListAdapter mAdapter;
  private String mPath;

  private Callbacks mListener;

  /**

  • Create a new instance with the given file path.

  • @param path The absolute path of the file (directory) to display.

  • @return A new Fragment with the given file path.
    
    */
    
    public static FileListFragment newInstance(String path) {
    
    FileListFragment fragment = new FileListFragment();
    
    Bundle args = new Bundle();
    
    args.putString(FileChooserActivity.PATH, path);
    
    fragment.setArguments(args);
    

    return fragment;
    }

  <a class="mention" href="/u/override">@Override</a>
  
  public void onAttach(Activity activity) {
  
  super.onAttach(activity);
  

  try {
       mListener = (Callbacks) activity;
   } catch (ClassCastException e) {
       throw new ClassCastException(activity.toString()
               + " must implement FileListFragment.Callbacks");
   }
  

  }

  <a class="mention" href="/u/override">@Override</a>
  
  public void onCreate(Bundle savedInstanceState) {
  
  super.onCreate(savedInstanceState);
  

  mAdapter = new FileListAdapter(getActivity());
   mPath = getArguments() != null ? getArguments().getString(
           FileChooserActivity.PATH) : Environment
           .getExternalStorageDirectory().getAbsolutePath();
  

  }

  <a class="mention" href="/u/override">@Override</a>
  
  public void onActivityCreated(Bundle savedInstanceState) {
  
  setEmptyText(getString(R.string.empty_directory));
  
  setListAdapter(mAdapter);
  
  setListShown(false);
  

  getLoaderManager().initLoader(LOADER_ID, null, this);
  
   super.onActivityCreated(savedInstanceState);
  

  }

  <a class="mention" href="/u/override">@Override</a>
  
  public void onListItemClick(ListView l, View v, int position, long id) {
  
  FileListAdapter adapter = (FileListAdapter) l.getAdapter();
  
  if (adapter != null) {
  
  File file = (File) adapter.getItem(position);
  
  mPath = file.getAbsolutePath();
  
  mListener.onFileSelected(file);
  
  }
  
  }
  

  <a class="mention" href="/u/override">@Override</a>
  
  public Loader<List> onCreateLoader(int id, Bundle args) {
  
  return new FileLoader(getActivity(), mPath);
  
  }
  

  <a class="mention" href="/u/override">@Override</a>
  
  public void onLoadFinished(Loader<List> loader, List data) {
  
  mAdapter.setListItems(data);
  

  if (isResumed())
       setListShown(true);
   else
       setListShownNoAnimation(true);
  

  }

  <a class="mention" href="/u/override">@Override</a>
  
  public void onLoaderReset(Loader<List> loader) {
  
  mAdapter.clear();
  
  }
  
  }