点击条目删除

爱被打了一巴掌 2023-10-17 22:09 54阅读 0赞

adapter适配器点击条目删除

例：

![70][]

//将数据与界面进行绑定的操作
        @Override
        public void onBindViewHolder(ViewHolder viewHolder, final int position) {
            viewHolder.item_img.setImageURI(datas.get(position).getPicUrl()); //获取图片，Fresco
            viewHolder.mTextView.setText(datas.get(position).getTitle());
    
            viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    /**
                     * 点击条目删除
                     */
                    AlertDialog.Builder builder = new AlertDialog.Builder(context);
                    builder.setIcon(R.mipmap.ic_launcher);
                    builder.setTitle("我是对话框");
                    builder.setMessage("我是对话框的内容");
                    builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            Toast.makeText(context, "点击了取消按钮", Toast.LENGTH_SHORT).show();
                            dialog.dismiss();
                        }
                    });
                    builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            Toast.makeText(context, "点击了确定的按钮", Toast.LENGTH_SHORT).show();
                            dialog.dismiss();
                            //移除数据
                            datas.remove(position);
                            //条目刷新
                            notifyDataSetChanged();
                        }
                    });
                    AlertDialog dialog = builder.create();
                    dialog.show();
                }
            });
        }

[70]: https://img-blog.csdn.net/20180630122049860?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2p1bl90b25n/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70