How to run code after some delay in Flutter?

Question

I\'d like to execute a function after a certain delay after my Widget is built. What\'s the idiomatic way of doing this in Flutter?

What I\'m trying to achieve: I\'

Answer 1

(Adding response on old q as this is the top result on google)

I tried yielding a new state in the callback within a bloc, and it didn't work. Tried with Timer and Future.delayed.

However, what did work was...

await Future.delayed(const Duration(milliseconds: 500));

yield newState;

Awaiting an empty future then running the function afterwards.