cursor movetofirst movetonext
moveToFirst(); //iterate over rows for (int i = 0; i < cursor.getCount(); i++) //iterate ... moveToNext move the cursor to the next row. and c.getString(0) will always ... , moveToFirst(); //將指標移至第一筆資料 for(int i=0; i<rows_num; i++) int id = cursor. ... moveToNext(); //將指標移至下一筆資料 } } cursor.close(); ...,... moveToFirst; moveToLast; moveToNext; moveToPosition; moveToPrevious ... Cursor implementations are not required to be synchronized so code using a ... , moveToFirst（）指向查询结果的第一个位置。一般通过判断cursor.moveToFirst()的值为true或false来确定查询结果是否为空。cursor.moveToNext() ..., 原来查询得到的cursor是指向第一条记录之前的，因此查询得到cursor后第一次调用moveToFirst或moveToNext都可以将cursor移动到第一条记录上 ...,Yes, it will work, moveToNext actually call moveToFirst. , 问题：当时刚接触sqlite和contentProvider时候记得cursor初始位置不正确所以要moveToFirst 才能使cursor正确指向第一个位置。那么问题来了， ..., getString(0)等方式來取資料會出現錯誤。必須先使用Cursor.moveToFirst()(到第一筆)或是Cursor.moveToNext()到下一筆的方式將指標移至第0筆。,moveToNext() here, you will bypass the first row, which is WRONG ... c.moveToNext(); } } ... moveToFirst() method moves the cursor to the first row. It allows to ...
| 相關軟體 SQLite 資訊 | |
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 cursor movetofirst movetonext 相關參考資料
android cursor.moveToNext()? - Stack Overflow
moveToFirst(); //iterate over rows for (int i = 0; i < cursor.getCount(); i++) //iterate ... moveToNext move the cursor to the next row. and c.getString(0) will always ... https://stackoverflow.com Android開發筆記－使用Cursor讀取SQLite回傳值– 摩刻部落 - Davina
moveToFirst(); //將指標移至第一筆資料 for(int i=0; i<rows_num; i++) int id = cursor. ... moveToNext(); //將指標移至下一筆資料 } } cursor.close(); ... https://www.moke.tw Cursor | Android Developers
... moveToFirst; moveToLast; moveToNext; moveToPosition; moveToPrevious ... Cursor implementations are not required to be synchronized so code using a ... https://developer.android.com cursor 的moveToFirst和moveToNext和moveToPrevious以及 ...
moveToFirst（）指向查询结果的第一个位置。一般通过判断cursor.moveToFirst()的值为true或false来确定查询结果是否为空。cursor.moveToNext() ... https://blog.csdn.net Cursor.moveToFirst()和Cursor.moveToNext()的疑惑- Leo的博客 ...
原来查询得到的cursor是指向第一条记录之前的，因此查询得到cursor后第一次调用moveToFirst或moveToNext都可以将cursor移动到第一条记录上 ... https://blog.csdn.net Cursor.moveToNext without moveToFirst - Stack Overflow
Yes, it will work, moveToNext actually call moveToFirst. https://stackoverflow.com cursor的遍历时moveToFirst和moveToNext的区别- Zero的博客- CSDN ...
问题：当时刚接触sqlite和contentProvider时候记得cursor初始位置不正确所以要moveToFirst 才能使cursor正确指向第一个位置。那么问题来了， ... https://blog.csdn.net ola的家: Android學習_對SQLite查詢(query方法)取得Cursor
getString(0)等方式來取資料會出現錯誤。必須先使用Cursor.moveToFirst()(到第一筆)或是Cursor.moveToNext()到下一筆的方式將指標移至第0筆。 http://wangshifuola.blogspot.c What is The use of moveToFirst () in SQLite Cursors - Stack Overflow
moveToNext() here, you will bypass the first row, which is WRONG ... c.moveToNext(); } } ... moveToFirst() method moves the cursor to the first row. It allows to ... https://stackoverflow.com |