Question 170457 in Flutter Question posted in
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Upgraded to Flutter 3.10, why is “Future not a type”?

After upgrading flutter with flutter upgrade to 3.10

All my (previously working) Futures stopped working. Every single future is underlined with red saying "Future isn’t a type".

What can I do to fix this? Clearly Future hasn’t been removed.

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2

Answers


  1. 0

    Flutter clean
    Flutter pub get

    I think that will work for You

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  2. 0

    This was happing to me too after upgrade to 3.10.

    I am using VS Code. After opening with Android Studio, I was able to build it without any problem.

    Going back to VS Code, and it starts to work again. 😃

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