Learn Flutter Life Cycle In 10 Minutes

Understanding the basics of the Life Cycle methods in Flutter is vital to writing applications without missing things like memory leakage. That is why we go over them all step by step.
Course to build a production-ready app 👉 robertbrunhage.com/course
00:00 Overview
00:41 InitState
02:27 DidChangeDependencies
03:28 DidUpdateWidget
06:51 Deactivate
07:42 Dispose
Source code: github.com/RobertBrunhage/flu...
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[@i.k.shaikh3772]

Excellent demonstration

[@midclock]

Interesting video, I was looking for it.
Just a little note: it would have been nice to explain well what is a "dependency" from widget's perspective, that triggers a didChangeDependencies call.
Regarding deactivate, maybe its fired once the widget is removed from the tree, while the instance continues to exist?
I'm thinking about a widget that is set to "hidden" visbility.

[@illtrax]

Thanks for the summery!

[@Pedro5antos_]

Thanks for sharing! AWESOME!

[@FlutterMapp]

Thanks for the video Man ✈️🚀🎉

[@FlutterMapp]

That is awesome! Do you use all of them?

[@RobertBrunhage]

@@FlutterMapp I use the ones that I need depending on the scenario 😊

[@junveld4830]

Thank you, please post more interview questions

[@victorhpantunes]

Awesome video. A lot of things that I didn't know it

[@RobertBrunhage]

Glad it was helpful!

[@olaoluwamarvellous700]

Thank you

[@oswaldoolea2889]

great, thank a lot.

[@ehsanhasin8092]

thank you

[@Prizza_3lik]

thanks you bro

[@hasansalim1868]

Thanks, but what about the constructor of the state class?

[@danumichael2143]

great video

[@danangdwigustifajaryanto]

I just wondering what is the different between dispose and deactivate.

[@TheFredFred33]

Excellent 👏🏻👏🏻👏🏻👏🏻👏🏻

[@RobertBrunhage]

Thank you! 😃

[@mohamedalihammami5067]

Excellent! Very helpful ,just if you can to make video for how to use huawei_map in Flutter thx

[@Ls-df2mf]

Good one

[@mgmyo7066]

please make tutorials of navigation 2.0.

[@fullstack_journey]

This was widget lifecycle, can u do one on app lifecycle too?

[@RobertBrunhage]

Have an old video about it but thinking of updating it as a lot of people has been asking about it!

[@midclock]

As far as I know, a Flutter App is a widget, that's stated in the doc :)

[@SuperHesni]

great video as always

[@RobertBrunhage]

Thanks!
Something I have on my todo so certainly in the future 😊

[@s.thentaro5901]

What's about "activate" life cycle?

[@yashdixit3352]

What is dependency change?

[@RobertBrunhage]

When you pass something through the constructor to a widget, that widget is depandant on that value. So in a sense it's that if a value changes hat is the same as saying that the dependency changes.

[@ilgztrs]

Deactivate is useful if you want to interact with bloc before disposing the widget

[@boghdadyDev]

what is the font name that you are using ?

[@dhanniekristanto]

firaCode

[@RobertBrunhage]

I am using JetBrains Mono!

[@dhanniekristanto]

@@RobertBrunhage didn't know mono got that ligature 😄

[@atulrawat2996]

where is the createState method?

[@yassinsaddem2262]

It's very good but the deactivate explication is not clear

[@RobertBrunhage]

Noted, if I come up with a good example I will update the Github Code!

[@jst_kishan]

How to write ≠ ?

[@mohammadtalha2336]

Turn on code ligatures in vscode settings and install fira-code font or any other that support code ligatures

[@RobertBrunhage]

As Mohammad said, these is a setting in your ide or code editor for activating code ligatures. I am using JetBrains Mono and that activated!

[@faheemahmad3957]

please make for 2023

[@user-yn8gm3qj5x]

so slow men x2 speed and still slow xd

[@xiuChang]

uper is an indian?

[@RamyWahid]

Diserve Comment

[@alexvaiman4966]

dispose not called memory like? are you insane my friend??? dart has garbage collector!!! it does not need you to dispose anything! with exception of resources which are not under dart control! VC is not one of them!!! you should dispose of timers, but why? well, the reason is, if you dont, when the timer comes back it may try to get ref to disposed object, and you will have a crash. I hate when people talking about "memory leaks" - it is plain crap!