ThemeData's toggleableActiveColor property has been deprecated

Summary

Context

Description of change

Migration guide

Timeline

References

Summary

Context

The migration of widgets that depend on ThemeData.toggleableActiveColor
to ColorScheme.secondary caused  the toggleableActiveColor property
to be unnecessary. This property will eventually be removed, as per Flutter’s
deprecation policy.

Description of change

The widgets using ThemeData.toggleableActiveColor color for the
active/selected state now use ColorScheme.secondary.

Migration guide

Toggleable widgets’ active/selected color can generally be customized in 3 ways

Using ThemeData’s ColorScheme.secondary.