Android异常总结---E/AndroidRuntime(23439): Caused by: java.lang.IllegalArgumentException: column '_id' d

1.在使用SimpleCursorAdapter adapter=new SimpleCursorAdapter  (this,R.layout.item,cursor,new String[]{"name","phone","amount"},new int[]  {R.id.name,R.id.phone,R.id.amount});这个SimpleCursorAdapter适配器的时候: 出现这个异常: ----------------------------------------------- 03-12 23:23:22.934: E/AndroidRuntime(23439): Caused by:  java.lang.IllegalArgumentException: column '_id' does not exist -------------------------------------------------------------------- 这个异常跟SimpleCursorAdapter ,这个源码有关: 可以查看源码,会有说明: --------------------------- 方法:1.把数据库表中的主键id改成:_id      2.处理查询后的结果集:主键起一个别名:       select personid as _id,name,phone,amount from person order by personid asc  limit ?,?