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[Bug 1352251] Re: Splash screen is shown as soon as QGuiApplication is instantiated

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Pat McGowan <pat.mcgowan@xxxxxxxxxxxxx>
Date: Wed, 10 Dec 2014 13:45:14 -0000
Reply-to: Bug 1352251 <1352251@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Defer per discussion in the bug

** Changed in: canonical-devices-system-image
    Milestone: ww51-2014 => ww05-2015

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https://bugs.launchpad.net/bugs/1352251

Title:
  Splash screen is shown as soon as QGuiApplication is instantiated

Status in the base for Ubuntu mobile products:
  Confirmed
Status in Qt integration with the Mir display server:
  Opinion
Status in unity8 package in Ubuntu:
  Opinion
Status in unity8 package in Ubuntu RTM:
  Opinion

Bug description:
  On the phone, a splash screen is shown as soon as QGuiApplication is instantiated; however, a QWindow might be created much later, or not be created at all.
  We have for example a D-Bus service (ubuntu-system-settings-online-accounts) which is a QGuiApplication, but creates QWindows only as client requests arrive. In the common case, this works fine because the service is generally started when a window needs to be displayed, but we are now preparing for implementing trust session support, and that would require either this bug to be fixed, or a deeper refactoring of our code.

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