cursor close android
You can close the cursor once you have retrieved the values for that particular object inside your method. btw...You don't have to recreate a listview every time for a user click event. Just notify that there is some change in data of your adapter th,You're not closing cursor in getDateMove , getTotalWeightLBS , loadRooms ,... Everywhere where cursor is not needed anymore close it. In those methods use try-finally, it will guarantee to execute code in finally block even when thrown exception occur
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 cursor close android 相關參考資料
Android中Cursor关闭的问题- stormzhang
然而如果Cursor的数据量特表大，特别是如果里面有Blob信息时，应该保证Cursor占用的内存被及时的释放掉，而不是等待GC来处理。并且Android明显是倾向于编程者手动的将Cursor close掉，因为在源代码中我们发现，如果等到垃圾回收器来回收时，会给用户以错误提示。 所以我们使用Cursor的方式一般如下：. http://stormzhang.com When to close cursor in Android? - Stack Overflow
You can close the cursor once you have retrieved the values for that particular object inside your method. btw...You don't have to recreate a listview every time for a user click event. Just noti... https://stackoverflow.com How to properly close a cursor in android - Stack Overflow
You're not closing cursor in getDateMove , getTotalWeightLBS , loadRooms ,... Everywhere where cursor is not needed anymore close it. In those methods use try-finally, it will guarantee to execute... https://stackoverflow.com How to close a cursor in android - Stack Overflow
You have to keep your cursor open until you no longer need data from it. Once you no longer need data from the cursor you just: cursor.close();. But a much cleaner way to handle data in your Activity ... https://stackoverflow.com android - where should I close a cursor? - Stack Overflow
However for some reason if you have to query for the cursor using the contentresolver on the UI thread, it is better to close the cursor in the onPause and requery the cursor in the onResume, worst c... https://stackoverflow.com android - where to close the cursor? - Stack Overflow
You can assign it to a String object then close cursor and return it. cursor.moveToFirst(); String result = cursor.getString(column_index); cursor.close(); return result;. https://stackoverflow.com sqlite - Android: do I need to close Cursor objects? - Stack Overflow
Yes, it's recommended to close the cursor when you are done using that cursor object so that cursor can do whatever house keeping work it wants to do upon closure. https://stackoverflow.com android - Idiom to close a cursor - Stack Overflow
Neither, but the second one was closest. Option 1 doesn't properly close the Cursor when getCount() == 0; Option 2 leaves the finally block exposed to a null pointer exception. I would use: Curso... https://stackoverflow.com Android中Cursor关闭的问题- 木子舟- ITeye博客
然而如果Cursor的数据量特表大，特别是如果里面有Blob信息时，应该保证Cursor占用的内存被及时的释放掉，而不是等待GC来处理。并且Android明显是倾向于编程者手动的将Cursor close掉，因为在源代码中我们发现，如果等到垃圾回收器来回收时，会给用户以错误提示。 所以我们使用Cursor的方式一般如下：. http://zhifeiji512.iteye.com Cursor | Android Developers
Returns whether the cursor is pointing to the position after the last row. abstract boolean, isBeforeFirst(). Returns whether the cursor is pointing to the position before the first row. abstract bool... https://developer.android.com |