@Override
public Object instantiateItem(View collection, int position) {
if (getCount() > 1 && position > getCount() - 6) {
mAdapter.loadNextPage();
}
Photo photo = (Photo) mAdapter.getItem(position);
final View view =
mInflator.inflate(R.layout.photo_details_item, ((ViewPager) collection), false);
ImageView imageView = (ImageView) view.findViewById(R.id.image);
((TextView) view.findViewById(R.id.image_title)).setText(photo.getTitle());
((TextView) view.findViewById(R.id.image_description)).setText(photo.getDescription());
OnImageDisplayedCallback callback =
new OnImageDisplayedCallback() {
@Override
public void onImageDisplayed(ImageView imageView) {
view.findViewById(R.id.loading).setVisibility(View.GONE);
}
};
if (photo.getUrl(PhotosEndlessAdapter.SIZE_BIG) != null) {
mStorage.displayImageFor(imageView, photo.getUrl(PhotosEndlessAdapter.SIZE_BIG), callback);
} else {
new LoadImageTask(photo, imageView, callback).execute();
}
((ViewPager) collection).addView(view, 0);
return view;
}
public PhotoDetailPagerAdapter(PhotosAdapter adatper) {
mAdapter = adatper;
mAdapter.registerDataSetObserver(mObserver);
mInflator =
(LayoutInflater)
PhotoDetailsActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return mAdapter.getCount();
}
