ImageView iv = (ImageView) findViewById(R.id.img);
        pb = (ProgressBar) findViewById(R.id.progressBar1);
        iv.setAnimation(null);
        iv.setVisibility(View.GONE); // set image invisible to show the loader
        pb.setVisibility(View.VISIBLE);

        UrlImageViewHelper.setUrlDrawable(iv, pictureUrl, R.drawable.loading,
                new UrlImageViewCallback() {
                    @Override
                    public void onLoaded(ImageView _imageView,
                            Bitmap _loadedBitmap, String _url,
                            boolean _loadedFromCache) {
                        _imageView.setVisibility(View.VISIBLE); // set the image
                                                                // visible
                        pb.setVisibility(View.GONE);
                        // ScaleAnimation scale = new ScaleAnimation(0, 1, 0, 1,
                        // ScaleAnimation.RELATIVE_TO_SELF, .5f,
                        // ScaleAnimation.RELATIVE_TO_SELF, .5f);
                        // scale.setDuration(300);
                        // scale.setInterpolator(new OvershootInterpolator());
                        // _imageView.startAnimation(scale);
                    }
                });