在gridView Recycler中添加1个按钮以选择来自画廊的图像

Question

嗨，我需要在GridView中放一个按钮，以便从“图库”中选择“图像”。一旦我选择了一张图像，此按钮将滑动到所选ImageView的下一个位置，依此类推，依此类推。 Pluse Icon will be there to select image

我在这里做什么

 protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.demo);
    gv_image = (GridView) findViewById(R.id.gv_image);
    actualGridItem = new ActualGridItem();


    GridAdapter adapter = new GridAdapter(this, new GridItem() {

        @Override
        public String getImgUrl() {
            // TODO Auto-generated method stub
            return "+ image url";
        }

        @Override
        public long getId() {
            // TODO Auto-generated method stub
            return -1;
        }
    });

    adapter.addItem(actualGridItem);
    gv_image.setAdapter(adapter);


}

我的适配器

public class GridAdapter extends BaseAdapter {

private List<GridItem> items;
private Context context;

GridAdapter(Context context, GridItem addImageItem) {
    this.items = new ArrayList<GridItem>();
    this.context = context;
    this.items.add(addImageItem); // at this moment we only have + item
}

public void addItem(GridItem actualItem) {
    int insertLocation = this.items.size() - 2; // Before last item, last always will be +
    this.items.add(insertLocation, actualItem);
    notifyDataSetChanged();
}

@Override
public int getCount() {
    return this.items.size();
}

@Override
public GridItem getItem(int position) {
    return this.items.get(position);
}

@Override
public long getItemId(int position) {
    return this.items.get(position).getId();
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if (convertView == null) {
        convertView = new ImageView(context);
        // Customize image view
    }

    GridItem currentItem = items.get(position);
    // load image with url currentItem.getImgUrl();
    return convertView;
}

}

请帮助我实现这一目标。