自定义类的小吃店未显示

本文介绍了自定义类的小吃店未显示的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

MyActivity coord.xml:

MyActivity coord.xml:

<CoordinatorLayout> id:coordID <RelativeL> ... <FAB>

RVAdapter.java

RVAdapter.java

... @Override public void onItemDismiss(int position) { ... notifyItemRemoved(position); LayoutInflater inflater = (LayoutInflater) MyActivity.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = inflater.inflate(R.layout.coord, null); Snackbar.make(v.findViewById(R.id.coordID), "TEXT", Snackbar.LENGTH_LONG).show(); }

这是一种在自定义类(RVAdapter.java)中刷卡从回收者视图列表中删除项目的方法，删除后，应显示Snackbar并为UNDO设置操作.但是，当我删除项目时，什么也没发生.小吃店没有出现.我不确定我是否可以正确设置视图，但是我不知道该怎么做

This is a method for swiping to delete an item from recycler view list, in a custom class (RVAdapter.java) and after its deleted, Snackbar should appear and set action for UNDO. But, when I delete an item, nothing happends. Snackbar doesnt show up. Im not so sure if I set views correctly, but I dont know how to do it differently

推荐答案

感谢MikeM.我这样解决了它: 在MyActivity中添加

Thx to Mike M. I solved it like this: In MyActivity added

private static CoordinatorLayout mCoord; mCoord = findViewById(R.id.coordID); public static View getCoord() { return mCoord; }

和RVAdapter.java

and in RVAdapter.java

Snackbar.make(MyActivity.getCoord(), ...