错误:无法解析notifyDataSetChanged();Android的

notifyDataSetChanged不是的方法ListAdapter,但BaseAdapter,(ArrayAdapter是BaseAdapter的子类).要解决此问题,您只需转换ListAdapter即可

theListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView parent, View view, int position, long id) {
            String s1 = String.valueOf(parent.getItemAtPosition(position));
            pe.remove(s1);
             ((BaseAdapter)theAdapter).notifyDataSetChanged();