android cursor movetonext
You need to move the cursor to the first row. Try adding cur.moveToFirst() before the while loop. You might also consider using a do-while loop., if (c.moveToFirst()) while(!c.isAfterLast()) String productNames[i] = c.getString(c.getColumnIndex("productname")); //Maybe a string array is ..., For clarity a complete example would be as follows which I trust is of interest. As code comments indicated we essentially iterate over database ...,try while (cursor.moveToNext()) ,跳到 moveToNext - moveToNext. Added in API level 1. public abstract boolean moveToNext (). Move the cursor to the next row. This method will return ... , 在学习android内容提供器时,在查询数据的操作时对代码Cursor对象的遍历逐个取出数据有些疑惑移动开发., ... assuming that UsefulDocumentFile is related to Android's DocumentFile . As Prakash notes, the Cursor that you get back may contain only a ..., 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数据库. ... android cursor movetonext很慢. 06-13. 从数据库取数据 ..., Verbatim from the API: Returns: whether the move succeeded. So, it means that: Cursor in first row -> moveToNext() -> cursor in second row ...,For clarity a complete example would be as follows which I trust is of interest. As code comments indicated we essentially iterate over database rows and then ...
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android cursor movetonext 相關參考資料
Android Cursor - moveToNext() doesnt seem to go to end of cursor ...
You need to move the cursor to the first row. Try adding cur.moveToFirst() before the while loop. You might also consider using a do-while loop. https://stackoverflow.com Android Cursor, moveToNext() error - Stack Overflow
if (c.moveToFirst()) while(!c.isAfterLast()) String productNames[i] = c.getString(c.getColumnIndex("productname")); //Maybe a string array is ... https://stackoverflow.com android cursor.moveToNext()? - Stack Overflow
For clarity a complete example would be as follows which I trust is of interest. As code comments indicated we essentially iterate over database ... https://stackoverflow.com android.database.Cursor.moveToNext java code examples ...
try while (cursor.moveToNext()) https://www.codota.com Cursor | Android Developers
跳到 moveToNext - moveToNext. Added in API level 1. public abstract boolean moveToNext (). Move the cursor to the next row. This method will return ... https://developer.android.com Cursor.moveToFirst()和Cursor.moveToNext()的疑惑_移动开发 ...
在学习android内容提供器时,在查询数据的操作时对代码Cursor对象的遍历逐个取出数据有些疑惑移动开发. https://blog.csdn.net Cursor.moveToNext error - Stack Overflow
... assuming that UsefulDocumentFile is related to Android's DocumentFile . As Prakash notes, the Cursor that you get back may contain only a ... https://stackoverflow.com cursor的遍历时moveToFirst和moveToNext的区别_数据库_ ...
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数据库. ... android cursor movetonext很慢. 06-13. 从数据库取数据 ... https://blog.csdn.net Is Android Cursor.moveToNext() Documentation Correct? - Stack Overflow
Verbatim from the API: Returns: whether the move succeeded. So, it means that: Cursor in first row -> moveToNext() -> cursor in second row ... https://stackoverflow.com sql - android cursor.moveToNext()? - Stack Overflow
For clarity a complete example would be as follows which I trust is of interest. As code comments indicated we essentially iterate over database rows and then ... https://stackoverflow.com |