With the following implementations, I'm getting unresolved reference errors with hiltViewModel(). Below is a view where I'm trying to implement a hiltViewModel(), the model, and all relevant build configurations. The project syncs. The error is marked in a comment.
View:
@Composable
fun Screen(model: Model = hiltViewModel()) { // unresolved reference
}
Data.kt:
import android.content.Context
import androidx.lifecycle.ViewModel
import androidx.room.Dao
import androidx.room.Database
import androidx.room.Entity
import androidx.room.PrimaryKey
import androidx.room.Query
import androidx.room.Room
import androidx.room.RoomDatabase
import com.google.android.datatransport.runtime.dagger.Module
import com.google.android.datatransport.runtime.dagger.Provides
import dagger.hilt.InstallIn
import dagger.hilt.android.lifecycle.HiltViewModel
import dagger.hilt.android.qualifiers.ApplicationContext
import dagger.hilt.components.SingletonComponent
import javax.inject.Inject
import javax.inject.Singleton
@Module
@InstallIn(SingletonComponent::class)
object AppDatabaseModule {
@Provides
@Singleton
fun providesAppDatabase(@ApplicationContext applicationContext: Context,
): AppDatabase = Room.databaseBuilder(
context = applicationContext,
klass = AppDatabase::class.java,
name = "database",
).build()
@Provides
fun providesDataDao(db: AppDatabase): DataDao = db.dataDao()
}
@HiltViewModel
class Model @Inject constructor(private val dataDao: DataDao) : ViewModel()
@Database(entities = [Data::class], version = 1)
abstract class AppDatabase: RoomDatabase() {
abstract fun dataDao(): DataDao
}
@Dao
interface DataDao {
@Query("SELECT * FROM data")
suspend fun getAll(): List<Data>
}
@Entity (tableName = "data")
data class Data (
@PrimaryKey val uid: Int,
val data: String
)
build.gradle.kts (:app):
import org.gradle.kotlin.dsl.coreLibraryDesugaring
import java.lang.module.ModuleFinder.compose
plugins {
alias(libs.plugins.android.application)
alias(libs.plugins.kotlin.android)
alias(libs.plugins.kotlin.compose)
alias(libs.plugins.ksp)
id("com.google.dagger.hilt.android") version "2.56.2" apply false
}
android {
namespace = "com.example.app"
compileSdk = 35
defaultConfig {
applicationId = "com.example.app"
minSdk = 25
targetSdk = 35
versionCode = 1
versionName = "1.0"
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
isMinifyEnabled = false
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"),
"proguard-rules.pro"
)
}
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = "11"
}
buildFeatures {
compose = true
}
composeOptions {
kotlinCompilerExtensionVersion = "1.5.15"
}
}
val compose_version = "1.8.3"
val nav_version = "2.9.0"
val room_version = "2.3"
val billing_version = "8.0.0"
dependencies {
implementation(libs.androidx.core.ktx)
implementation(libs.androidx.lifecycle.runtime.ktx)
implementation(libs.androidx.activity.compose)
implementation(platform(libs.androidx.compose.bom))
implementation(libs.androidx.ui)
implementation(libs.androidx.ui.graphics)
implementation(libs.androidx.material3)
implementation(libs.androidx.compose.material3)
ksp(libs.room.compiler)
implementation(libs.room.ktx)
implementation(libs.androidx.material3.window.size.class1.android)
implementation(libs.androidx.benchmark.macro)
testImplementation(libs.junit)
androidTestImplementation(libs.androidx.junit)
androidTestImplementation(libs.androidx.espresso.core)
androidTestImplementation(platform(libs.androidx.compose.bom)) //
androidTestImplementation(libs.androidx.ui.test.junit4)
debugImplementation(libs.androidx.ui.tooling)
debugImplementation(libs.androidx.ui.test.manifest)
implementation("androidx.navigation:navigation-compose")
implementation ("androidx.compose.material:material-icons-extended")
implementation("androidx.room:room-runtime:$room_version")
implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
implementation("com.android.billingclient:billing:$billing_version")
implementation ("com.android.billingclient:billing-ktx:$billing_version")
coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
implementation("com.google.dagger:hilt-android:2.56.2")
ksp("com.google.dagger:hilt-android-compiler:2.56.2")
implementation("androidx.hilt:hilt-navigation-compose")
}
build.gradle.kts (Project):
plugins {
alias(libs.plugins.android.application) apply false
alias(libs.plugins.kotlin.android) apply false
alias(libs.plugins.kotlin.compose) apply false
alias(libs.plugins.ksp) apply false
}
libs.versions.toml:
[versions]
agp = "8.10.1"
kotlin = "2.0.21"
coreKtx = "1.16.0"
junit = "4.13.2"
junitVersion = "1.2.1"
espressoCore = "3.6.1"
lifecycleRuntimeKtx = "2.9.0"
activityCompose = "1.10.1"
composeBom = "2024.09.00"
room = "2.7.2"
material3WindowSizeClassAndroid = "1.3.2"
benchmarkMacro = "1.3.4"
composeMaterial3 = "1.5.0-beta03"
ksp = "2.0.21-1.0.28"
[libraries]
room-compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
room-ktx = { module = "androidx.room:room-ktx", version.ref = "room" }
androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
junit = { group = "junit", name = "junit", version.ref = "junit" }
androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
androidx-ui = { group = "androidx.compose.ui", name = "ui" }
androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
androidx-material3-window-size-class1-android = { group = "androidx.compose.material3", name = "material3-window-size-class-android", version.ref = "material3WindowSizeClassAndroid" }
androidx-compose-material3 = { group = "androidx.wear.compose", name = "compose-material3", version.ref = "composeMaterial3" }
androidx-benchmark-macro = { group = "androidx.benchmark", name = "benchmark-macro", version.ref = "benchmarkMacro" }
[plugins]
android-application = { id = "com.android.application", version.ref = "agp" }
kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
When doing a Gradle sync you'll notice the following warnings:
Failed to resolve: androidx.navigation:navigation-compose
Failed to resolve: androidx.hilt:hilt-navigation-compose
And sure enough, when looking at your dependencies, you seem to have forgotten to note the version:
implementation("androidx.hilt:hilt-navigation-compose")
Which, btw., I already mentioned in my very first comment to the question.
Just add the version as described in the documentation:
implementation("androidx.hilt:hilt-navigation-compose:1.2.0")
After a Gradle sync hiltViewModel() should be available to use.