Keemun

implementation("family.amma:keemun:1.3.0")

Multiplatform part

Entities

data classState(valuser:User?)sealedclassMsg {data classUserWasLoaded(valuser:User) : Msg()}sealedclassEffect {object LoadUser : Effect()}

An example of creatingFeatureParams:

typealiasSomeFeatureParams=FeatureParams<State,Msg,Effect>typealiasSomeFeatureEffectHandler=EffectHandler<Effect,Msg>internalfunsomeFeatureParams(effectHandler:SomeFeatureEffectHandler):SomeFeatureParams=FeatureParams(init=init,        update= updater,        effectHandler= effectHandler    )valinit=InitFeature<State,Effect> { previous->val state= previous?:State(user=null)    state tosetOf(Effect.LoadUser)}val updater=Update<State,Msg> { msg, state->when (msg) {isMsg.UserWasLoaded-> state.copy(user= msg.user) to emptySet()    }  }funeffectHandler(repo:UserRepository)=SomeFeatureEffectHandler { effect, dispatch->when (effect) {Effect.LoadUser-> {val user= repo.loadUser()            dispatch(Msg.UserWasLoaded(user))        }    }}

Platform part (Android)

data classViewState(// Example// English - "Age: 30"// Russian - "Возраст: 30"// etcvallocalizedAge:String?)// StateTransform<State, ViewState> = suspend (State) -> ViewStateprivatefunstateTransform(getContext: ()->Context)=StateTransform<State,ViewState> { state->ViewState(        localizedAge= state.user?.age?.let { getContext().getString(R.string.age, it) }    )}

Add to your Fragment/Activity

classSomeFragment(featureParams: ()->SomeFeatureParams) : Fragment(R.layout.fragment_some) {privateval feature by androidConnectors(featureParams, getStateTransform= { stateTransform(::requireContext) })overridefunonViewCreated(view:View,savedInstanceState:Bundle?) {super.onViewCreated(view, savedInstanceState)        feature.render(this) { viewState->            ageTextView.text= viewState.localizedAge        }// OR// feature.collectWithLifecycle(viewLifecycleOwner, Lifecycle.State.STARTED) { viewState -> }    }}

Send messages to change state

feature dispatchMsg.Foofeature syncDispatchMsg.Bar