Jon Hoffman created CB-12928:
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Summary: Windows UWP shared Local Folder being removed
Key: CB-12928
URL: https://issues.apache.org/jira/browse/CB-12928
Project: Apache Cordova
Issue Type: Bug
Components: cordova-windows
Affects Versions: 6.5.0
Environment: When running on a Windows 10 platform
Reporter: Jon Hoffman
Assignee: Jesse MacFadyen
Priority: Critical
We are writing an application using Ionic 2 for Windows 10. The application
will need to share data between different users on the same machine therefore
we are using the shared local folder to save the data to as described in the
“Using Shared Local” section of this page:
https://blogs.windows.com/buildingapps/2016/05/24/sharing-your-local-app-data/#TMWySROFzDtGLUzR.972
This method works great and we made changes to the Cordova-Sqlite-Storage
plugin so it will write the database file to the shared local folder. The
problem is when we update our application the shared local folder is removed
thereby erasing all of the saved data.
I created a native C# application to see if we had the same behavior when we
updated a native application. When we updated the native app the shared local
folder was not removed therefore this is an issue specific to our hybrid
application.
My first thought was maybe the Add-AppDevPackage.ps1 scripts were different
between the native and Ionic 2 application since that is the script that we
used to perform the installation and update. I ran a comparison tool to compare
the scripts from the Ionic2 and native applications however the two files are
exactly the same.
I can also verify that the user local folder for the application is not removed
when we perform an update however that folder is specific to the individual
user and we can not share data from that folder. Does anyone know why the
shared local folder is removed when we perform an update of an Ionic 2
application?
I put a proof of concept application that simply writes a text file to the
shared local folder and the application local folder that can be used to see
how the shared local folder is removed when we update the app. The repository
is located here:
https://github.com/hoffmanjon/Cordova_Windows_UWP_Shared_Local_Folder and
includes a windows plugin to write to the shared local folder. You will need
to set the groups policy as described in the link from the first paragraph of
this description to get access to the shared local folder.
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