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fixes FadeInImage for an edge case #111035

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merged 3 commits into from Sep 8, 2022

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werainkhatri
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where first image was synchronously loaded but second isn't.
when first image is precached and then the image is changed to an uncached one, placeholder's opacity animation was never initialized but the code assumed it'll be if the image is not synchronously loaded.
adds regression test for it.

fixes #111011
caused by #94601

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@flutter-dashboard flutter-dashboard bot added the framework flutter/packages/flutter repository. See also f: labels. label Sep 6, 2022
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@chunhtai chunhtai left a comment

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LGTM, just some nits

packages/flutter/test/widgets/fade_in_image_test.dart Outdated Show resolved Hide resolved
packages/flutter/test/widgets/fade_in_image_test.dart Outdated Show resolved Hide resolved
packages/flutter/test/widgets/fade_in_image_test.dart Outdated Show resolved Hide resolved
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chunhtai commented Sep 7, 2022

cc @dnfield for secondary review

werainkhatri and others added 2 commits September 8, 2022 07:22
Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
@werainkhatri werainkhatri added the autosubmit Merge PR when tree becomes green via auto submit App label Sep 8, 2022
@auto-submit auto-submit bot merged commit 165cb0b into flutter:master Sep 8, 2022
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 8, 2022
engine-flutter-autoroll added a commit to engine-flutter-autoroll/plugins that referenced this pull request Sep 8, 2022
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 8, 2022
@werainkhatri werainkhatri deleted the fix-fadeinimage-edgecase branch September 11, 2022 00:53
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Sorry, but is it known when this will get released on stable? On Flutter 3.3.3 this is still a problem and I was wondering how to work around that.

@cristian1980
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Can we have this in stable please? We had to downgrade to 3.0.0 to avoid this issue.

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chunhtai commented Oct 6, 2022

requesting cp. See the original issue

chunhtai pushed a commit to chunhtai/flutter that referenced this pull request Oct 6, 2022
godofredoc pushed a commit that referenced this pull request Oct 18, 2022
Co-authored-by: Viren Khatri <44755140+werainkhatri@users.noreply.github.com>
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FadeInImage throws null pointer exception (Flutter 3.3)
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