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[Launchpad Bug Tracker <1456706@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: qtubuntu (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1456706

Title:
  QGuiApplication::applicationState is never Qt::ApplicationSuspended

Status in qtubuntu package in Ubuntu:
  Confirmed

Bug description:
  In Oxide, I want to be able to flush profile data before an
  application is suspended on the phone, in case the application gets
  killed before it's reactivated again. I expected to be able to do this
  by connecting to QGuiApplication::applicationStateChanged and
  detecting when the state changes to Qt::ApplicationSuspended.

  From the documentation, this does seem to be the most appropriate
  state:

  "The application is about to suspend. When entering this state, the
  application should save its state, cease all activities, and be
  prepared for code execution to stop. While suspended, the application
  can be killed at any time without further warnings (e.g. when low
  memory forces the OS to purge suspended applications)."

  However, I only ever see 2 states - Qt::ApplicationActive and
  Qt::ApplicationInactive.

  For now, I've made Oxide flush profile data when the state changes to
  ApplicationInactive. However, I think that this behaviour is wrong
  when the Qt platform is not qtubuntu. Eg, on the desktop with the xcb
  platform, the application state changes to Qt::ApplicationInactive
  whenever none of its windows are in focus but the application is still
  running. I don't think we should be flushing state every time a window
  is unfocused.

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