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Message #08326
[Bug 1548696] Re: App is continuously redrawing even though there is nothing changing visually
** Changed in: messaging-app (Ubuntu)
Importance: Undecided => High
** Changed in: messaging-app (Ubuntu)
Assignee: (unassigned) => Tiago Salem Herrmann (tiagosh)
** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Changed in: canonical-devices-system-image
Assignee: (unassigned) => Bill Filler (bfiller)
** Changed in: canonical-devices-system-image
Milestone: None => ww08-2016
** Changed in: canonical-devices-system-image
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1548696
Title:
App is continuously redrawing even though there is nothing changing
visually
Status in Canonical System Image:
New
Status in messaging-app package in Ubuntu:
New
Bug description:
Start app with QT_LOGGING_RULES="qt.scenegraph.renderloop=true"
You will continuously get:
qt.scenegraph.renderloop: polishAndSync (normal) QQuickView(0x204ca58)
amongst many others, which indicate that the UI is being redrawn.
Even with occlusion enabled, we still get:
qt.scenegraph.renderloop: - ticking non-visual timer
There may be a hidden activity indicator which is set to running even
though not visible.
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References