[Bug 1552701] Re: Apps not starting until QML cache is deleted

[Pat McGowan]

The cache is also cleared on a system update which I am not sure is a feature.
I would think uninstalling the app should clear the QML cache to work around this.

** Also affects: click (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: canonical-devices-system-image
   Importance: Undecided => Medium

** Changed in: canonical-devices-system-image
       Status: New => Confirmed

** Changed in: canonical-devices-system-image
     Assignee: (unassigned) => Alejandro J. Cura (alecu)

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Title:
  Apps not starting until QML cache is deleted

Status in Canonical System Image:
  Confirmed
Status in click package in Ubuntu:
  New

Bug description:
  I've seen this a couple of times now:

  When an app, or the whole system crashes/runs out of battery or
  similar, it can mess up the qml cache for apps. The app then won't
  start any more until the qml cache is deleted manually, or eventually
  some update of the app is rolled out that makes the cache realize it
  is out of date. This manifests itself in the app sitting there on the
  splash screen or just being white and never finish loading.

  Admittedly this does not happen very often, however, the problem is
  that there is no way out of this for a normal user. Once a user runs
  into this situation, the app is basically non existent any more.
  Neither rebooting the phone, nor reinstalling the app resolves the
  situation. Currently I know of a customer which can't launch the
  telegram  app until we meet end of march because I can't instruct her
  to use the terminal to clear the qml cache...

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