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我已经写了一类，这是扩大BaseAdapter类和代码列表如下：\BaseAdapter类
public class ImageAdapter extends BaseAdapter {
int mGalleryItemBackground;
private Context mContext;
public ArrayList<Drawable> drawablesFromUrl = new ArrayList<Drawable>();
public ImageAdapter(Context c) {
mContext = c;
}
public void addItem(Drawable item) {
drawablesFromUrl.add(item);
}
public int getCount() {
return drawablesFromUrl.size();
}
public Drawable getItem(int position) {
return drawablesFromUrl.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) { // if it's not recycled, initialize some attributes
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageDrawable(drawablesFromUrl.get(position));
return imageView;
}//View getView
}//class ImageAdapter
现在我想使用对象“drawablesFromUrl.get（位置）”进另一个活动和解决方案之一是在“应用程序类”中编写此类，以便我可以在应用程序的任何位置使用该对象。但不知道如何实施？或者有没有其他解决方案可以解决我的问题？
谢谢！