无法备份或恢复C:\System目录下的公共文件

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Translated from TSS000348 - Backup & Restore of public files in the C:\System folder is not supported

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Compatibility

Platform(s): S60 3rd Edition

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Article

Created: huwell (28 Jun 2007)

Last edited: hamishwillee (30 May 2013)

• 详细描述：

无法备份或恢复C:\System下的公共文件，虽然data caging configuration并没有把该目录做为私有或控制访问来考虑。

开发者应使用如C:\Data这样的目录，注册为备份及恢复用的公共文件路径。 请阅读文档

PC Connectivity - How To Write Backup Aware Software for Symbian 来进一步了解备份和恢复的知识。

下列代码将文件注册在备份及恢复用的公共区域中，这些文件首先会在安装路径中进行查找，然后才到其他盘符中。请注意如果文件在C盘，那\System\Data中文件将无法备份。

<?xml version="1.0" standalone="yes"?>
 
<backup_registration>
 
         <passive_backup>
 
             <include_directory name="\" />
 
         </passive_backup>
 
         <public_backup>
 
<!-- The first file will not be backed up from C-drive! -->
 
             <include_file name="\System\Data\backmeup.txt" />
 
<!-- Files residing in C:\Data will be backed up also from C-drive -->
 
             <include_file name="\Data\backmeup_2.txt" />
 
         </public_backup>
 
  <system_backup/>
 
  <restore requires_reboot = "no"/>
 
</backup_registration>