Async vs Isolates | Decoding Flutter

How come a function janks the UI thread even though it's async? What are the differences between async and isolates? Learn what the distinctions are between these two processing methods, how they work, and when one may be preferable to the other.

Leave us suggestions for code to unravel in the comments below!


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[AdrianBoyko]

To demonstrate isolates, you should have had a second Filip sitting next to you staring at the cell phone while you continued talking to us.

[FlutterMapp]

Flutter community is growing bigger everyday.

[maheshjamdade]

Wow that was the simplest explanation ever 🎉. need more such content 🔥

[merthyr]

The term "Async simply makes a note to return to the blocking code... a *callback*.. for when the code is ready" is such an important note to make here. I think this is the first time I've TRULY understood what is meant by async/await. Before I could give you the definition but that truly made it click in my head. Amazing work Filip :)

[jerryarekhandia]

These flutter guys should not have waited this long to give use this all important information. Great video by the way

[YoungChan_Kim]

This is something that I needed right now! Some of processes in my app takes time to finish, which makes app freeze until the end of the process. Now I know I can avoid this with isolates. Thank you for awesome information!

[bmejia]

Awesome video the phone analogy is brilliant. I am now looking for more of your great content!

[CarloDotLog]

I really like this series. It is very useful, well explained. if you don't know what to study, you can find new ideas here.

[hasansalim]

Such videos are always helpful and appreciated

[volodymyrmedvediev]

Best explanation ever! Thanks flutter team ❤️

[aakashr]

Exactly what I was wondering last week. Thanks!

[kaivalpatel]

please make a video on using bg services on flutter, it is much needed topic

[MarcellodeSales]

Definitely will be on the MUST READ video for my flutter team... ABSOLUTELY A MUST

[shreyankcode]

This could be the best explanation of the topic Isolates!! It was really hard to understand through Documentation! Thanks Filip!!

[Clavvik]

Great explanation! It’s short and clear. On the other hand I can’t wait to watch a similar video on the actual approach how to work with isolates in flutter 😄

[nguyenkha]

very funny explanation and easy to understand. :))) Love you Hracek.

[PieroUlloa]

I think you guys should also talk about how the event loop also parallelizes IO when using async.

[rrosalesb]

Great video !!!, thanks for these information.

[srikika]

awesome vid! more videos about Isolates implementation plz :D

[yarenpolat]

It reminds me threads on openMP and it is awesome to do other things in the same time . I think the best think there is no need to critical section for mutual exclusions since it doesn't happen 😊