Add kstatemachine-coroutines usage

Author: Mikhail Fedotov

README.md

@@ -2,7 +2,7 @@
 
 ## Sample 2D shooter game
 
-This is a sample Android application showing [kstatemachine](https://github.com/nsk90/kstatemachine) library features.
+This is a sample Android application showing [KStateMachine](https://github.com/nsk90/kstatemachine) library features.
 This application fallows MVI architecture pattern.
 
 State machine is used to define and control Hero states like in 2D shooter games.

app/build.gradle.kts

@@ -48,4 +48,5 @@ dependencies {
     implementation("org.jetbrains.kotlin:kotlin-stdlib:${Versions.kotlin}")
     implementation("io.insert-koin:koin-androidx-viewmodel:${Versions.koin}")
     implementation("io.github.nsk90:kstatemachine:${Versions.kStateMachine}")
+    implementation("io.github.nsk90:kstatemachine-coroutines:${Versions.kStateMachine}")
 }

app/src/main/java/ru/nsk/kstatemachinesample/ui/main/MainViewModel.kt

@@ -4,7 +4,6 @@ import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 import ru.nsk.kstatemachine.*
 import ru.nsk.kstatemachinesample.ui.main.ControlEvent.*
@@ -28,8 +27,8 @@ sealed interface ModelEffect {
 class MainViewModel : MviModelHost<ModelData, ModelEffect>, ViewModel() {
     override val model = model(viewModelScope, ModelData(INITIAL_AMMO, listOf(Standing)))
 
-    private val machine = createStateMachine("Hero", ChildMode.PARALLEL) {
-        logger = StateMachine.Logger { Log.d(this@MainViewModel::class.simpleName, it) }
+    private val machine = createStateMachineBlocking(viewModelScope, "Hero", ChildMode.PARALLEL) {
+        logger = StateMachine.Logger { Log.d(this@MainViewModel::class.simpleName, it()) }
 
         state("Movement") {
             val airAttacking = addState(AirAttacking())
@@ -108,8 +107,8 @@ class MainViewModel : MviModelHost<ModelData, ModelEffect>, ViewModel() {
         }
     }
 
-    fun sendEvent(event: ControlEvent) {
-        intent { emitEffect(ModelEffect.ControlEventSent(event)) }
+    fun sendEvent(event: ControlEvent): Unit = intent {
+        emitEffect(ModelEffect.ControlEventSent(event))
         machine.processEvent(event)
     }
 

buildSrc/src/main/kotlin/Versions.kt

@@ -10,5 +10,5 @@ object Versions {
     const val lifecycle = "2.4.1"
     const val startup = "1.1.0"
     const val material = "1.5.0"
-    const val kStateMachine = "0.16.0"
+    const val kStateMachine = "0.20.0"
 }