10000 [iOS] [Platform View] Animations cause Flutter UI to flicker and platform view to be visible when coming back from background · Issue #163498 · flutter/flutter · GitHub
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[iOS] [Platform View] Animations cause Flutter UI to flicker and platform view to be visible when coming back from background #163498

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LegendAF opened this issue Feb 17, 2025 · 0 comments
Open

[iOS] [Platform View] Animations cause Flutter UI to flicker and platform view to be visible when coming back from background #163498

LegendAF opened this issue Feb 17, 2025 · 0 comments
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@jonahwilliams
Labels
a: platform-views Embedding Android/iOS views in Flutter apps c: regression It was better in the past than it is now P2 Important issues not at the top of the work list platform-ios iOS applications specifically team-engine Owned by Engine team triaged-engine Triaged by Engine team

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@LegendAF
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LegendAF commented Feb 17, 2025 •
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Steps to reproduce

  1. Run sample project
  2. Background app
  3. Foreground app
  4. Repeat steps 2 and 3

Expected results

You can never see the view behind the pink container.

3.24.5 with Impeller enabled

ScreenRecording_02-17-2025.17-47-00_1.MP4

Actual results

You see the view behind the pink container.

3.27.4 with Impeller enabled

ScreenRecording_02-17-2025.17-35-10_1.MP4

Code sample

Code sample

https://github.com/LegendAF/flutter_impeller_view_flicker

Screenshots or Video

No response

Logs

Tested Flutter versions

3.16.9 (impeller enabled) ✓
3.24.5 (impeller enabled) ✓
3.27.4 (Impeller disabled) ✓
3.27.4 (Impeller enabled) ❌ broken
3.29.0 (Impeller enabled) ❌ broken

Tested Devices

  • iPhone 16 Pro on iOS 18.3.1
  • iPad Pro 12.9 inch (5th gen) 18.1.1

Flutter Doctor output

Doctor output 
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.24.5, on macOS 15.1.1 24B2091 darwin-arm64, locale en-US)
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 16.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.2)
[✓] VS Code (version 1.97.2)
[✓] Connected device (4 available)
[✓] Network resources

• No issues found!
@LegendAF LegendAF mentioned this issue Feb 17, 2025
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@jonahwilliams jonahwilliams changed the title [iOS] [Impeller] [Platform View] Animations cause Flutter UI to flicker and platform view to be visible when coming back from background [iOS] [Platform View] Animations cause Flutter UI to flicker and platform view to be visible when coming back from background Feb 17, 2025
@jonahwilliams jonahwilliams self-assigned this Feb 18, 2025
@matanlurey matanlurey added c: regression It was better in the past than it is now platform-ios iOS applications specifically a: platform-views Embedding Android/iOS views in Flutter apps e: impeller Impeller rendering backend issues and features requests team-engine Owned by Engine team labels Feb 18, 2025
@jonahwilliams jonahwilliams added P2 Important issues not at the top of the work list triaged-engine Triaged by Engine team and removed e: impeller Impeller rendering backend issues and features requests labels Feb 18, 2025
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@jonahwilliams jonahwilliams

Labels
a: platform-views Embedding Android/iOS views in Flutter apps c: regression It was better in the past than it is now P2 Important issues not at the top of the work list platform-ios iOS applications specifically team-engine Owned by Engine team triaged-engine Triaged by Engine team
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@matanlurey @LegendAF @jonahwilliams
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