Listview发生在我身上的编程错误

1.SimpleAdapter simpleAdapter=new SimpleAdapter(this,content,R.layout.list_layout,new String[]{"icon","title","str"},new int[]{R.id.image,R.id.title,R.id.str});

这里面的new String[]{“icon”,”title”,”str”}里面的字符串要去前面定义的一致！