Question

我创建了一个带有图像列表的自定义gridView＆amp;每个都有一个删除图标。一旦按下删除图标，就应该删除相应的图像。路径位置的正确图像将被删除＆amp; imgList也按预期修改。但是在gridView中，网格的最后一个图像被删除（或者似乎是这样）。但是在按下后退按钮和前进按钮时，gridView会按预期显示正确的数据。

对于Ex：让ArrayList为{1,2,3,4,5}。按下删除'3'。然后ArrayList将是{1,2,4,5}，图像'3'也将从其位置删除。但是gridView显示{1,2,3,4}而不是{1,2,4,5}。在背压和＆amp;正向按下，gridView将其正确显示为{1,2,4,5}。

在谷歌搜索中找不到除notifyDataSetChanged（）之外的任何相关内容。有关如何解决此问题的任何建议？

代码：

root@6bd6c7262e96:/opt/batch/jobs# bq show -j bqjob_r2257fe91a590a308_0000014e3e922faf_1
Job infra-bedrock-861:bqjob_r2257fe91a590a308_0000014e3e922faf_1

Job Type    State      Start Time      Duration   Bytes Processed
---------- --------- ----------------- ---------- -----------------
load       FAILURE   29 Jun 09:07:42   0:00:02

Errors encountered during job execution. System error. The error has been logged and we will investigate.

Answer 1

你应该这样做：

string[] a = {"{0}", "hit", "{1}"};
string[] b = {"Player", "Enemy"};
var result = string.Format(string.Join(" ", a), b);

Answer 2

public View getView(final int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        View grid = inflater.inflate(R.layout.grid_single, null);


        if(convertView == null) {
            View grid = inflater.inflate(R.layout.grid_single, null);

             ImageView bin = (ImageView)grid.findViewById(R.id.grid_delete_image);
                    bin.setTag(position);
                    bin.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            positon = v.getTag();
                            imgList.remove(imgList.get(position).toString());
                            File fs = new File(imgList.get(position).toString());
                            Boolean fileDeleted = fs.delete();
                            if(fileDeleted) {
                            Toast.makeText(mContext, "Image Deleted:" + Integer.toString
                                    (position), Toast.LENGTH_SHORT).show();
                                notifyDataSetChanged();
                            }

                        }
                    });

        } else {
            grid = (View) convertView;
        }

        final String imgPath = imgList.get(position).toString();
        Bitmap bitmap = BitmapFactory.decodeFile(imgPath);       

        if(bitmap != null) {
                    ImageView img = (ImageView)grid.findViewById(R.id.grid_image);
                   img.setImageBitmap(bitmap);
        }

        return grid;
    }

从Custom Adapter的getView（）中删除项目后重绘gridView

2 个答案: