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Android Shared User Id And Reading/writing A File

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I have been sufferring in one problem for several days. Currently I'm running in the source code of 'Settings' on Android2.2. In AdroidMenifest.xml, we can see: android:sharedUserI

Solution 1:

The system user can not access the SD card, because if the SD card gets unmounted it may need to kill any processes that have files open on it and we don't want system processes being killed like that. If you want to access the SD card, you need to not use the system shared user ID.


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