[feat] #3: hiltViewModel 에서 인자를 전달받는 예시 코드 구현

Author: ikseong00

feature/sample/api/src/main/java/com/neki/android/feature/sample/api/MyClass.kt

@@ -0,0 +1,15 @@
+package com.neki.android.feature.sample.api
+
+import androidx.navigation3.runtime.NavKey
+import com.neki.android.core.navigation.Navigator
+import kotlinx.serialization.Serializable
+
+sealed interface SampleNavKey : NavKey {
+
+    @Serializable
+    data class Sample(val id: Long) : SampleNavKey
+}
+
+fun Navigator.navigateToSample(id: Long) {
+    navigate(SampleNavKey.Sample(id))
+}

feature/sample/api/src/main/java/com/neki/android/feature/sample/api/SampleNavKey.kt

@@ -10,5 +10,5 @@ dependencies {
     implementation(libs.androidx.activity.compose)
     implementation(libs.androidx.appcompat)
     implementation(libs.androidx.core.ktx)
-
+    implementation(projects.feature.sample.api)
 }

feature/sample/impl/build.gradle.kts

@@ -0,0 +1,35 @@
+package com.neki.android.feature.sample.impl
+
+import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
+import androidx.navigation3.runtime.EntryProviderScope
+import androidx.navigation3.runtime.NavKey
+import com.neki.android.core.navigation.EntryProviderInstaller
+import com.neki.android.core.navigation.Navigator
+import com.neki.android.feature.sample.api.SampleNavKey
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ActivityRetainedComponent
+import dagger.multibindings.IntoSet
+
+@Module
+@InstallIn(ActivityRetainedComponent::class)
+object SampleEntryProviderModule {
+
+    @IntoSet
+    @Provides
+    fun provideSampleEntryBuilder(navigator: Navigator): EntryProviderInstaller = {
+        sampleEntry(navigator)
+    }
+}
+
+private fun EntryProviderScope<NavKey>.sampleEntry(navigator: Navigator) {
+    entry<SampleNavKey.Sample> { key ->
+        val viewModel = hiltViewModel<SampleViewModel, SampleViewModel.Factory>(
+            creationCallback = { factory ->
+                factory.create(key)
+            }
+        )
+        SampleScreen(viewModel = viewModel)
+    }
+}

feature/sample/impl/src/main/java/com/neki/android/feature/sample/impl/SampleEntryProvider.kt

@@ -0,0 +1,14 @@
+package com.neki.android.feature.sample.impl
+
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
+
+@Composable
+fun SampleScreen(
+    modifier: Modifier = Modifier,
+    viewModel: SampleViewModel = hiltViewModel(),
+) {
+    Text("Sample")
+}

feature/sample/impl/src/main/java/com/neki/android/feature/sample/impl/SampleScreen.kt

@@ -0,0 +1,21 @@
+package com.neki.android.feature.sample.impl
+
+import androidx.lifecycle.ViewModel
+import com.neki.android.feature.sample.api.SampleNavKey
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import dagger.hilt.android.lifecycle.HiltViewModel
+
+@HiltViewModel(assistedFactory = SampleViewModel.Factory::class)
+class SampleViewModel @AssistedInject constructor(
+    @Assisted val navKey: SampleNavKey.Sample,
+) : ViewModel() {
+
+    val id = navKey.id
+
+    @AssistedFactory
+    interface Factory {
+        fun create(navKey: SampleNavKey.Sample): SampleViewModel
+    }
+}