Text glitch in the gallery app

[Chris1234567899]

I recently tested the Gallery App from the Play Store on my Lenovo Vibe K5 (Android 5.1.1) using the latest version in the Play Store (0.4.2). When I go to the animation screen and scroll a bit around, all text in the whole app becomes flickering triangles and stays this way. Clicking back or opening new pages several times can sometimes reinitialise the normal font, but it seems rather random. Here are some screens:

[HansMuller]

cc @jason-simmons

[mahasadhu]

I'm facing the same issue, Xiaomi Redmi 3 - 5.1.1 - MIUI 8
Sometimes even the app is closing after the white screen (not often though)

[riterrani]

This is happening in my app too, this is not happening only in the gallery. Android 5.1.1 too

[HansMuller]

@riterrani - could you let us know the specific Android devices you're seeing this on?

[riterrani]

Lenovo A6020l37. In this case is also related to an animation I think, this happened playing with a SliverAppBar.

[HansMuller]

@riterrani - The description of this bug implies that text rendering is failing everywhere. Is that true for your app, or I you only seeing the failure in a specific scenario? If it's the latter, and you can share the code that causes the problem, that would help.

[riterrani]

yeah after the glitch starts, all the texts are glitched everywhere. The same happened with the gallery, a lot of UI bugs and in some point the text glitched too.
I will share you the code, I need to separate all the logic first

[riterrani]

I can't reproduce it now with my code. But this issue happened me with the "animations" example in the gallery.
I found another user reporting the same problem #17654
Another issue with animations and text glitching, same example #13817

And maybe this issue is related too #14459 ?

[zoechi]

#18269 (comment) says it is fixed in master.
@Chris1234567899 can you confirm?
I haven't found a concrete PR that was supposed to fix that.

[Chris1234567899]

@zoechi
updated to v0.5.5-pre.6 and could not notice the issue anymore. Excellent.

[zoechi]

Great, then I'll close.

[Pash237]

Got an another glitch during startup.
Both text and image (at the top) are screwed up.
After the first widget rebuild it redraws fine (for example, if you type a character in TextField), but until then it looks like on screenshot:

[bennibau]

I have the same problem actually. I disappears as soon as I tap the screen and the list view scrolls.

[HansMuller]

@Pash237, @bennibau - This issue was supposed to have been fixed some time ago (#17507 (comment)). What version of flutter are you using? Can you include the output of flutter doctor?

[bennibau]

It happens only on the device (iPhone X), not on the simulator:

Flutter Doctor
`Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.2.1, on Mac OS X 10.14.4 18E226, locale en-DE)
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[✓] iOS toolchain - develop for iOS devices (Xcode 10.2)
[✓] Android Studio (version 3.3)
[✓] VS Code (version 1.33.0)
[!] Connected device
! No devices available

! Doctor found issues in 1 category.`

Flutter Version
flutter --version Flutter 1.2.1 • channel stable • https://github.com/flutter/flutter.git Framework • revision 8661d8aecd (8 weeks ago) • 2019-02-14 19:19:53 -0800 Engine • revision 3757390fa4 Tools • Dart 2.1.2 (build 2.1.2-dev.0.0 0a7dcf17eb)

Flutter Upgrade
`Already up to date.

Upgrading engine...
Already up-to-date.`

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