814983 - [Gaia::System] Screen flickering on app entry and app exit creates a sense of poor quality

Status: RESOLVED FIXED

(Firefox OS Graveyard :: Gaia::System, defect)

Description

[Peter La]

What makes it feel slow/broken?

Marking as perf for now, but this may not be a performance problem.

This happens consistently.  Almost every time I enter or exit an app, the screen will flicker for .5 to 1.0 seconds.  It happens more after the intial launch.

This happens on the following apps:
E-Mail, SMS, Settings, Calendar, Camera, Music, and more...

Did it prevent you from doing what you wanted? Why?

The main issue here is perception of quality.  It looks like a bug or that the OS is poorly made.  This should NEVER happen in a finished product.

How does this make you feel?

[ ]  :)  I feel happy about it
[X]  :|  Meh
[ ]  :(  I'm upset
[ ] >:O  I'm angry

Device: Unagi, Nov. 22 Nightly.

Details: (technical factors, FPS, app startup time, ms elapsed, etc)

Bonus: can you attach a video of the problem?
Yes

Comment 1

[Josh Carpenter [:jcarpenter]]

Hi Peter, minor thing: I edited "[Gaia::System][perf][uxtrust]" from the summary. Capturing these in whitebaord and keywords should be enough. Duping them in the summary just makes it harder to read in search results, etc.

Comment 2

[Gordon Brander :gordonb]

Bulk edit is a bit disingenuous. Apologies for the bugmail spam.

Comment 3

[Peter La]

Attachment: Flicker on App Launch - B2G

Comment 4

[Peter La]

nominating for blocking-basecamp+.

This may seem like a small thing, but in my opinion we can't ship with a bug like this.  It makes our product look unprofessional.

Comment 5

[David Scravaglieri [:scravag]]

Gordon we considerate this as a Meta Bug. Could you add dependents bug to this one please ?

Comment 6

[Tim Taubert [:ttaubert] (inactive)]

This will be fixed by bug 808231. Can we just dupe this?

Comment 7

[Peter La]

I'd rather not just make this a duplicate of bug 808231, because that only covers transition to homescreen.  I see this throughout the OS in almost every screen transition (going into and out of apps).

Comment 8

[Tim Taubert [:ttaubert] (inactive)]

It will address this kind of flickering, too. Let's make this depend on bug 808231 then.

Comment 9

[Tim Taubert [:ttaubert] (inactive)]

Bug 808231 landed. Can you please try if you still see the flickering with an up-to-date build or the next Nightly that includes this?

Comment 10

[Mason Chang [Inactive] [:mchang]]

We no longer see flickering when switching between apps.