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Thread: App update

  1. #1
    Registered User
    Join Date
    Mar 2011
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    4

    App update

    Hi,

    When I update the application after publication in OVI Store, users who have already installed the application will retain their settings, saved via widget.preferences.setItem ?

  2. #2
    Super Contributor
    Join Date
    Jun 2008
    Location
    Tampere
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    833

    Re: App update

    Hi,

    Have to check this from RnD. I'll let you know when I know the answer.

    -Ilkka

  3. #3
    Nokia Developer Champion
    Join Date
    Mar 2003
    Location
    Finland
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    9,545

    Re: App update

    Users who already have the application downloaded and installed from Ovi Store will not even know that there is an updated version (Ovi Store does not notify users of new versions).

    Ovi Store (unless things have changed lately), also does not allow to re-download and re-install (i.e., upgrade) and app that is already installed on the device. Thus, the user must first uninstall the app, and then re-download and re-install. Here, the uninstallation will also remove saved data, if the data is saved in the application's private directory. So, an app must separately support data backup and restore for its own data.

    Normally, if you install an upgrade package over an already installed app, the original data is retained, but with Ovi Store it doesn't work, as it doesn't allow upgrade installations, but just uninstall and then re-install.

    For users' and developers' sake, I hope Nokia fixes this soon, if it hasn't already.

  4. #4
    Nokia Developer Moderator
    Join Date
    Mar 2003
    Posts
    115

    Re: App update

    Since the Series 40 web apps live in the cloud, the apps are actually represented by a URL within the launcher or Ovi Browser. Actually the advantage in this case should be that if the developer fixes a bug or update, the next time consumer open the launcher app on the phone, they will see the updated version already. No install or re-install needed. Just like any browser based web apps.

    But, let's see what Ikka comes back with.

  5. #5
    Super Contributor
    Join Date
    Jun 2008
    Location
    Tampere
    Posts
    833

    Re: App update

    Hi,

    As Wai pointed out, you can work with the same Web App to push fixes etc. In this case your settings stored with setItem are still accessible after deploying your fixed Web App to server.

    However if you update your widget and bump version number accordingly in config.xml, your Web App will be treated as a new Web App and you start off with a clean slate, without any user stored data.

    Br,
    Ilkka

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