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Fix CarouselView rebuild #152791

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merged 4 commits into from
Aug 5, 2024
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@QuncCccccc QuncCccccc commented Aug 3, 2024

Fixes #152787

Originally, when we want to update itemExtent, we didn't check if the old itemExtent is null but getItemFromPixels() needs that information.
https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/material/carousel.dart#L1343-L1347
Then in getItemFromPixels(), it goes to the else statement which assert flexWeights is not null, then the exception happens.

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@github-actions github-actions bot added framework flutter/packages/flutter repository. See also f: labels. f: material design flutter/packages/flutter/material repository. labels Aug 3, 2024
await tester.tap(find.byType(Switch));
await tester.pumpAndSettle();

// No exception.
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@navaronbracke navaronbracke Aug 3, 2024

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You can use an expect to verify this :)

Suggested change
// No exception.
expect(tester.takeException(), isNull);

@QuncCccccc QuncCccccc marked this pull request as ready for review August 5, 2024 16:32
@QuncCccccc QuncCccccc requested a review from Piinks August 5, 2024 16:32
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LGTM

QuncCccccc and others added 2 commits August 5, 2024 10:44
Co-authored-by: Kate Lovett <katelovett@google.com>
@QuncCccccc QuncCccccc added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2024
@auto-submit auto-submit bot merged commit 173bf86 into flutter:master Aug 5, 2024
72 checks passed
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 6, 2024
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Aug 6, 2024
Manual roll requested by tarrinneal@google.com

flutter/flutter@3832823...1dd7141

2024-08-06 engine-flutter-autoroll@skia.org Roll Flutter Engine from 376a853846ce to f5f6e966e7e7 (1 revision) (flutter/flutter#152911)
2024-08-06 zanderso@users.noreply.github.com Pass --no-dds to some integration tests driven by flutter drive (flutter/flutter#152898)
2024-08-06 kevmoo@users.noreply.github.com Manual dependency bump (flutter/flutter#152881)
2024-08-06 32538273+ValentinVignal@users.noreply.github.com Add tests for ordered_traversal_group.0.dart (flutter/flutter#152849)
2024-08-06 nate.w5687@gmail.com Implement `on` clauses (flutter/flutter#152706)
2024-08-06 engine-flutter-autoroll@skia.org Roll Flutter Engine from bc140a0124b7 to 376a853846ce (2 revisions) (flutter/flutter#152905)
2024-08-06 engine-flutter-autoroll@skia.org Roll Flutter Engine from e073ad2e3ad4 to bc140a0124b7 (1 revision) (flutter/flutter#152895)
2024-08-05 42016383+DBowen33@users.noreply.github.com added functionality to where SR will communicate button clicked (flutter/flutter#152185)
2024-08-05 goderbauer@google.com more docImports (flutter/flutter#151951)
2024-08-05 goderbauer@google.com Bump dartdoc to 8.0.13 (flutter/flutter#152896)
2024-08-05 tessertaha@gmail.com [Reland] Introduce `double` `Flex.spacing` parameter for `Row`/`Column` spacing (flutter/flutter#152890)
2024-08-05 36861262+QuncCccccc@users.noreply.github.com Fix CarouselView rebuild (flutter/flutter#152791)
2024-08-05 engine-flutter-autoroll@skia.org Roll Flutter Engine from 1bfd06cda313 to e073ad2e3ad4 (4 revisions) (flutter/flutter#152889)
2024-08-05 737941+loic-sharma@users.noreply.github.com Add migration to git ignore SwiftPM build directories (flutter/flutter#152766)
2024-08-05 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#152127)
2024-08-05 engine-flutter-autoroll@skia.org Roll Flutter Engine from 0aac60342005 to 1bfd06cda313 (2 revisions) (flutter/flutter#152868)
2024-08-05 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Introduce `double` `Flex.spacing` parameter for `Row`/`Column` spacing (#152472)" (flutter/flutter#152885)
2024-08-05 pateltirth454@gmail.com [Docs] DeviceOrientation Enum Correction (flutter/flutter#152876)
2024-08-05 zanderso@users.noreply.github.com Move Linux_build_test tests from staging to prod (flutter/flutter#152877)
2024-08-05 tessertaha@gmail.com Introduce `double` `Flex.spacing` parameter for `Row`/`Column` spacing (flutter/flutter#152472)
2024-08-05 zanderso@users.noreply.github.com Mark Linux_android_emu tests bringup: true (flutter/flutter#152867)

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TytaniumDev pushed a commit to TytaniumDev/flutter that referenced this pull request Aug 7, 2024
Fixes flutter#152787

Originally, when we want to update `itemExtent`, we didn't check if the old itemExtent is null but `getItemFromPixels()` needs that information.
https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/material/carousel.dart#L1343-L1347
Then in `getItemFromPixels()`, it goes to the else statement which assert `flexWeights` is not null, then the exception happens.

- [x ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement].
Buchimi pushed a commit to Buchimi/flutter that referenced this pull request Sep 2, 2024
Fixes flutter#152787

Originally, when we want to update `itemExtent`, we didn't check if the old itemExtent is null but `getItemFromPixels()` needs that information.
https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/material/carousel.dart#L1343-L1347
Then in `getItemFromPixels()`, it goes to the else statement which assert `flexWeights` is not null, then the exception happens.

- [x ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement].
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Dec 11, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Dec 12, 2024
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CarouselView throws assert exception when rebuild
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