Question

怎么解决ListView，EditText，CheckBox三个共存的焦点问题

Answer 1

检测是否成功，在主库中查询当前最大归档号，并插入数据，切换日志
SQL> select max(sequence#) from v$archived_log;

MAX(SEQUENCE#)
--------------
135

SQL> insert into test values(17);

1 row created.

SQL> select count(0) from test;

COUNT(0)
----------
17

SQL> commit;

Commit complete.

SQL> alter system switch logfile;

System altered.

SQL> select max(sequence#) from v$archived_log;

MAX(SEQUENCE#)
--------------
136