Method close

library/src/main/java/com/sanders/db/DBProxy.java:642–647

关闭数据库SQLiteDatabase，打开数据库计数减1 @param database

(SQLiteDatabase database)

     * @param database
     */
    private void close(SQLiteDatabase database) {
        mOpenCount--;
        if (mOpenCount == 0 && database != null && database.isOpen()) {
            database.close();
        }
    }

    /**
     * 关闭Cursor