listView.setOnItemClickListener(new AdapterView.OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?>parent,View view,int position,long id)
{
Map<String, Object> positioncurrent = list.get(position);
comment.setId(Integer.parseInt(String.valueOf(positioncurrent)));
int _id = comment.getId();
SQLiteDatabase db = databaseHelper.getWritableDatabase();
db.delete("comment",Comment.Commentinter.EVENT_ID + getString(R.string.dlx_wenhao),new String[]{String.valueOf(id)});
db.close();
list.remove(positioncurrent);
adapter.notifyDataSetChanged();
listView.setAdapter(adapter);
}
});
}
我完全新手,这是我写的监听事件,Comment类里是我数据库表属性的setget方法,逻辑上不知道对不对,只是现在它报错, java.lang.ClassCastException: java.util.HashMap cannot be cast to com.example.dengfugui.myapplication.Comment,不让我把positioncurrent进行类型转换,我应该怎么修改?或者基于我的 Map和Comment有没有啥更好的方法?求大神指点!!!!谢谢了!!!