Android:ContentResolver的query中用count(*)

Question

Uri uri=Uri.parse("content://sms/conversations");

Cursor c=resolver.query(uri, new String[]{"COUNT(*) "}, null, null, null);

查不出来这条语句该咋写，能这样统计不。

Answer 1

http://blog.csdn.net/wssiqi/article/details/8132603