<https://github.com/freeletics/FlowRedux> the MVI authors <@U0BRB3C83> along with <@U0J2EPX6W> wrote...

# orbit-mvi

[miqbaldc]

https://github.com/freeletics/FlowRedux the MVI authors @Hannes along with @Gabriel Ittner wrote a State Machine MVI library, any though on this? *I just got this from Android Weekly newsletter

[Mikolaj Leszczynski]

Looks interesting. MVI souped up with state machine semantics seems like a good step forward.

[Guilherme Delgado]

I don’t think this is an MVI library but a StateMachine one. It’s very similar to Tinder’s with the advantage of being written to multiplatform and with coroutines from the ground up.

[Guilherme Delgado]

I was reading their code and docs and found out that they use a StateMachine interface from: https://github.com/freeletics/mad#statemachine and implement it with the

FlowReduxStateMachine

Which produces new states like MVI does, so in a way yes, it’s like a “mix” of a StateMachine with MVI behaviours 😊

[Guilherme Delgado]

nice find @miqbaldc it flew under my Android Weekly newsletter radar 😅

[Emanuel Moecklin]

@Guilherme Delgado I've used Tinder's state machine implementation on multiplatform, it's not too hard to adapt

[Emanuel Moecklin]

when using state machines I suggest to combine it with the state design pattern to encapsulate the state behavior (I've written an article about this here: https://medium.com/nerd-for-tech/the-super-state-design-pattern-166127ce7c9a), that way you get reusable state objects

[Guilherme Delgado]

@Emanuel Moecklin yup I’m using Tinder state machine too 🙂
You can find a working sample here:
https://github.com/GuilhE/Expressus

[Emanuel Moecklin]

Nice, I'm not the only one then 😉. I'd honor their license btw (https://github.com/GuilhE/Expressus/blob/main/shared/src/commonMain/kotlin/com/expressus/domain/stateMachines/base/StateMachine.kt) as stated here: https://github.com/Tinder/StateMachine

[Guilherme Delgado]

yes you’re are correct, actually this is an open PR: https://github.com/Tinder/StateMachine/pull/28

[Guilherme Delgado]

gonna give credits to the author, thanks for remembering me 🙏

[Guilherme Delgado]

I gave credits in my article but forgot to add a comment in the code. Fixed 😉