[Icons] Updating default icon theme values. #20840
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HansMuller
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- This PR should also update the default disabled color for buttons (including IconButton). Currently it's initialized like this:
disabledColor ??= isDark ? Colors.white30 : Colors.black26;
I don't believe that's correct.
- Before committing this change we need to make sure that the resulting contrast is sufficient for a11y.
- This PR will need a tests.
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I'm afraid that is probably overachieving. I don't think we want to start applying 0.87 to the opacity of all icons that specify a color, even though doing so is probably what's intended by the latest spec (https://material.io/design/iconography/system-icons.html#color).
There's a fine backwards compatibility line here. The appearance of an app that has specified an icon color explicitly shouldn't change; an app that's picking up the default icon color can change.
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It looks like MaterialButton needs a similar change: Should just be LIkewise for: And maybe for: |
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What about |
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The button changes look good. This issue's description should include before and after screenshots, to make it easier for developers to see what's changing. |
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Wouldn't tester.widget<Text>(find.text(testText)).style work here? The test probably doesn't need to depend on the fact that the Text widget is defined in terms of RichText.
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No. You have to look for the RichText widget. The style on Text widgets is null when there's no theme. But it does draw. Just with private API to the RichText.
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Closes #3188