android put icons to list (filebrowser)
<p>hi m making a filebrowser in android and this is the code for it :</p>

<pre><code>public class FileBrowser extends ListActivity {
    private IAppManager imService;

    private File currentDir;
    private FileArrayAdapter adapter;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Editable usrr = Login.usernameText.getText();
        currentDir = new File("/sdcard/");
        fill(currentDir);

    }
    private void fill(File f)
    {
        File[]dirs = f.listFiles();
         this.setTitle(f.getName()+ "'s Chats" );
         List&lt;Option&gt;dir = new ArrayList&lt;Option&gt;();
         List&lt;Option&gt;fls = new ArrayList&lt;Option&gt;();
         try{
             for(File ff: dirs)
             {
                if(ff.isDirectory())
                    dir.add(new Option(ff.getName(),"Folder",ff.getAbsolutePath()));
                else
                {
                    fls.add(new Option(ff.getName(),"File Size: "+ff.length(),ff.getAbsolutePath()));
                }
             }
         }catch(Exception e)
         {

         }
         Collections.sort(dir);
         Collections.sort(fls);
         dir.addAll(fls);
        if(!f.getName().equalsIgnoreCase("sdcard"))
             dir.add(0,new Option("..","Parent Directory",f.getParent()));
         adapter = new FileArrayAdapter(FileBrowser.this,R.layout.filebrowser,dir);

         this.setListAdapter(adapter);

    }
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        // TODO Auto-generated method stub
        super.onListItemClick(l, v, position, id);
        Option o = adapter.getItem(position);
        if(o.getData().equalsIgnoreCase("folder")||o.getData().equalsIgnoreCase("parent directory")){
            //v.setBackgroundResource(R.drawable.foler);
                  currentDir = new File(o.getPath());
                fill(currentDir);
        }
        else
        {

            onFileClick(o);

        }
    }
</code></pre>

<p>now what i want is to display an icon for the files and the folders.(no other icons, just these 2) i have put an image view in the xml layout but i dont know how to dynamicaly check which list item is file so that it displays a file icon next to it and which one is a folder to display the folder icon.
please help!</p>
