tree 2988a90e8a67c296230418c014eaf90d8d561296
parent f0f3e960b78213a8f5fe23c227f264b17d7d6af6
author Bruno Leroux <bruno.leroux@gmail.com> 1746214870 +0200
committer dart-internal-monorepo <dart-internal-monorepo@dart-ci-internal.iam.gserviceaccount.com> 1746228795 -0700

Add DropdownMenuFormField (#163721)

## Description

This PR introduces DropdownMenuFormField.

## Related Issue

Fixes [Create
DropdownMenuFormField](https://github.com/flutter/flutter/issues/141941)
Fixes [Add validator to
DropdownMenu](https://github.com/flutter/flutter/issues/152131)

## Tests

Adds 41 tests.
https://dart.googlesource.com/external/github.com/flutter/flutter/+/183b9ea27e5fd0669a2cff5bee851b5cc85eca22