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Migrate Expansible animation properties to AnimationStyle for a less broad API surface #177799

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#177966
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Migrate Expansible animation properties to AnimationStyle for a less broad API surface#177799
#177966
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P2Important issues not at the top of the work lista: animationAnimation APIsc: new featureNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to Flutterframeworkflutter/packages/flutter repository. See also f: labels.r: fixedIssue is closed as already fixed in a newer versionteam-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team

Description

@victorsanni
victorsanni
opened on Oct 30, 2025

Use case

Expansible has animation properties Expansible.curve, Expansible.reverseCurve and Expansible.duration. These properties are encapsulated in AnimationStyle.

Proposal

Deprecate these properties and replace them with a single animationStyle property.

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    P2Important issues not at the top of the work lista: animationAnimation APIsc: new featureNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to Flutterframeworkflutter/packages/flutter repository. See also f: labels.r: fixedIssue is closed as already fixed in a newer versionteam-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team

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