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class UploadImgAdapter extends BaseAdapter { @Override
public int getCount() {
return uploadImgStack.size();
} @Override
public Object getItem(int position) {
return uploadImgStack.get(position);
} @Override
public long getItemId(int position) {
return position;
} @Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (null == convertView) {
convertView = LayoutInflater.from(BusinessAddCommentsActivity.this).inflate(R.layout.activity_business_comment_gvuploadimgitem, null);
holder = new ViewHolder();
holder.iv_img = (ImageView) convertView.findViewById(R.id.gv_uploadimg_item);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
} holder.iv_img.setImageBitmap(uploadImgStack.get(position)); return convertView;
} class ViewHolder { private ImageView iv_img;
} }
这种方式好像不能实现,后添加的数据,放在第一位的位置啊?
class UploadImgAdapter extends BaseAdapter { @Override
public int getCount() {
return uploadImgStack.size();
} @Override
public Object getItem(int position) {
return uploadImgStack.get(position);
} @Override
public long getItemId(int position) {
return position;
} @Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (null == convertView) {
convertView = LayoutInflater.from(BusinessAddCommentsActivity.this).inflate(R.layout.activity_business_comment_gvuploadimgitem, null);
holder = new ViewHolder();
holder.iv_img = (ImageView) convertView.findViewById(R.id.gv_uploadimg_item);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
} holder.iv_img.setImageBitmap(uploadImgStack.get(position)); return convertView;
} class ViewHolder { private ImageView iv_img;
} }
这种方式好像不能实现,后添加的数据,放在第一位的位置啊?如果采用uploadImgStack.pop()的话 ,也不行,虽然实现了先进后出,但是uploadImgStack也被清空了