view group adapter的封装

public interface ViewPageHolder<T> {
View createView(ViewGroup viewGroup);
void bind(T data);
}

public class ViewPageAdapterW<T> extends PagerAdapter
@Override
public Object instantiateItem(ViewGroup container, int position) {
View view = viewPageHolder.createView(container);
viewPageHolder.bind(mData.get(position));
container.addView(view);
return view;
}

class MyHolder implements ViewPageHolder<EntityImage> {

private ImageView mImageView;

@Override
public View createView(ViewGroup viewGroup) {
View v = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.view_page_item, viewGroup, false);
mImageView = (ImageView) v.findViewById(R.id.image_view);
return v;
}

@Override
public void bind(EntityImage data) {
mImageView.setImageResource(data.imageRes);
}
}