public void loadImage() {
int start = mListView.getFirstVisiblePosition();
int end = mListView.getLastVisiblePosition();
if (end >= getCount()) {
end = getCount() - 1;
}
syncImageLoader.setLoadLimit(start, end);
syncImageLoader.unlock();
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
switch (scrollState) {
case AbsListView.OnScrollListener.SCROLL_STATE_FLING:
syncImageLoader.lock();
break;
case AbsListView.OnScrollListener.SCROLL_STATE_IDLE:
loadImage();
break;
case AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
syncImageLoader.lock();
break;
default:
break;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.food_item, null);
}
Food food = mFoodList.get(position);
convertView.setTag(position);
ImageView img = (ImageView) convertView.findViewById(R.id.img);
TextView name = (TextView) convertView.findViewById(R.id.name);
name.setText(food.getName());
img.setBackgroundResource(R.drawable.ic_launcher);
syncImageLoader.loadImage(position, food.getS_photo_url(), imageLoadListener);
return convertView;
}