특정 폴더에 있는 사진만 load 하려고 합니다

밑에 있는 코드는 갤러리에 있는 모든 사진을보여주는데

어떻게 고치면 될까요

""/mnt/sdcard/" 이 경로에 있는 이미지 파일만 load 하려고 합니다

public class ImageList extends Activity {
 
 private Context mContext;
 
 @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.image_list);
        mContext = this;
       
        GridView gv = (GridView)findViewById(R.id.ImgGridView);
        final ImageAdapter ia = new ImageAdapter(this);
        gv.setAdapter(ia);
        gv.setOnItemClickListener(new OnItemClickListener(){
         public void onItemClick(AdapterView<?> parent, View v, int position, long id){
          ia.callImageViewer(position);
         }
        });
 }
 
 /**==========================================
  *           Adapter class
  * ==========================================*/
 public class ImageAdapter extends BaseAdapter {
  private String imgData;
  private String geoData;
  private ArrayList<String> thumbsDataList;
  private ArrayList<String> thumbsIDList;
  
  ImageAdapter(Context c){
   mContext = c;
   thumbsDataList = new ArrayList<String>();
   thumbsIDList = new ArrayList<String>();
   getThumbInfo(thumbsIDList, thumbsDataList);
  }
  
  public final void callImageViewer(int selectedIndex){
   Intent i = new Intent(mContext, ImagePopup.class);
   String imgPath = getImageInfo(imgData, geoData, thumbsIDList.get(selectedIndex));
   i.putExtra("filename", imgPath);
   startActivityForResult(i, 1);
  }
  
  public boolean deleteSelected(int sIndex){
   return true;
  }
  
  public int getCount() {
   return thumbsIDList.size();
  }

  public Object getItem(int position) {
   return position;
  }

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

  public View getView(int position, View convertView, ViewGroup parent) {
   ImageView imageView;
   if (convertView == null){
    imageView = new ImageView(mContext);
    imageView.setLayoutParams(new GridView.LayoutParams(95, 95));
    imageView.setAdjustViewBounds(false);
    imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
    imageView.setPadding(2, 2, 2, 2);
   }else{
    imageView = (ImageView) convertView;
   }
   BitmapFactory.Options bo = new BitmapFactory.Options();
   bo.inSampleSize = 8;
   Bitmap bmp = BitmapFactory.decodeFile(thumbsDataList.get(position), bo);
   Bitmap resized = Bitmap.createScaledBitmap(bmp, 95, 95, true);
   imageView.setImageBitmap(resized);
   
   return imageView;
  }
  
  private void getThumbInfo(ArrayList<String> thumbsIDs, ArrayList<String> thumbsDatas){
   String[] proj = {MediaStore.Images.Media._ID,
        MediaStore.Images.Media.DATA,
        MediaStore.Images.Media.DISPLAY_NAME,
        MediaStore.Images.Media.SIZE};
   
   Cursor imageCursor = managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
     proj, null, null, null);
   
   if (imageCursor != null && imageCursor.moveToFirst()){
    String title;
    String thumbsID;
    String thumbsImageID;
    String thumbsData;
    String data;
    String imgSize;
    
    int thumbsIDCol = imageCursor.getColumnIndex(MediaStore.Images.Media._ID);
    int thumbsDataCol = imageCursor.getColumnIndex(MediaStore.Images.Media.DATA);
    int thumbsImageIDCol = imageCursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME);
    int thumbsSizeCol = imageCursor.getColumnIndex(MediaStore.Images.Media.SIZE);
    int num = 0;
    do {
     thumbsID = imageCursor.getString(thumbsIDCol);
     thumbsData = imageCursor.getString(thumbsDataCol);
     thumbsImageID = imageCursor.getString(thumbsImageIDCol);
     imgSize = imageCursor.getString(thumbsSizeCol);
     num++;
     if (thumbsImageID != null){
      thumbsIDs.add(thumbsID);
      thumbsDatas.add(thumbsData);
     }
    }while (imageCursor.moveToNext());
   }
   imageCursor.close();
   return;
  }
  
  private String getImageInfo(String ImageData, String Location, String thumbID){
   String imageDataPath = null;
   String[] proj = {MediaStore.Images.Media._ID,
      MediaStore.Images.Media.DATA,
      MediaStore.Images.Media.DISPLAY_NAME,
      MediaStore.Images.Media.SIZE};
   Cursor imageCursor = managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
     proj, "_ID='"+ thumbID +"'", null, null);
   
   if (imageCursor != null && imageCursor.moveToFirst()){
    if (imageCursor.getCount() > 0){
     int imgData = imageCursor.getColumnIndex(MediaStore.Images.Media.DATA);
     imageDataPath = imageCursor.getString(imgData);
    }
   }
   imageCursor.close();
   return imageDataPath;
  }
 }
}