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Android compose ktor failed with error Lio/ktor/utils/io/NativeUtilsJvmKt

i am trying to setup ktor replacing retrofit on a compose simple android app but i am getting this error:
java.lang.NoClassDefFoundError: Failed resolution of: Lio/ktor/utils/io/NativeUtilsJvmKt;
at io.ktor.client.features.HttpSend.<init>(HttpSend.kt:49)
at io.ktor.client.features.HttpSend.<init>(HttpSend.kt:41)
at io.ktor.client.features.HttpSend$Feature.prepare(HttpSend.kt:75)
at io.ktor.client.features.HttpSend$Feature.prepare(HttpSend.kt:72)
at io.ktor.client.HttpClientConfig$install$3.invoke(HttpClientConfig.kt:77)
at io.ktor.client.HttpClientConfig$install$3.invoke(HttpClientConfig.kt:74)
at io.ktor.client.HttpClientConfig.install(HttpClientConfig.kt:97)
at io.ktor.client.HttpClient.<init>(HttpClient.kt:172)
at io.ktor.client.HttpClient.<init>(HttpClient.kt:81)
at io.ktor.client.HttpClientKt.HttpClient(HttpClient.kt:43)
My service is like this:
interface ApiService {
suspend fun getProducts(): List<ResponseModel>
companion object {
private val json = kotlinx.serialization.json.Json {
ignoreUnknownKeys = true
isLenient = true
encodeDefaults = false
}
fun create(): ApiService {
return ApiServiceImpl(
client = HttpClient(Android) {
// Logging
install(Logging) {
level = LogLevel.BODY
}
// JSON
install(JsonFeature) {
serializer = KotlinxSerializer(json)
//or serializer = KotlinxSerializer()
}
// Timeout
install(HttpTimeout) {
requestTimeoutMillis = 15000L
connectTimeoutMillis = 15000L
socketTimeoutMillis = 15000L
}
}
)
}
}
}
and ApiServiceImpl
class ApiServiceImpl(private val client: HttpClient) : ApiService {
override suspend fun getProducts(): List<ResponseModel> {
return client.get {
url(HttpRoutes.PRODUCTS)
}
}
}
On my main activity I just want to make the api call and just display an attribute of the first item of the list(just for verifying that the call was successful).
class MainActivity : ComponentActivity() {
private val service = ColorBarApiService.create()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
MaterialTheme {
// A surface container using the 'background' color from the theme
Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
val products = produceState(
initialValue = emptyList<ResponseModel>(),
producer = {
value = service.getProducts()
}
)
// just to see if api call is success
Text(text = "First product has description ${products.value[0].description}!")
}
}
}
}
}
Finally on app build.gradle I am using these:
// ktor
implementation "io.ktor:ktor-client-core:$ktor_version"
// HTTP engine: The HTTP client used to perform network requests.
implementation "io.ktor:ktor-client-android:$ktor_version"
// The serialization engine used to convert objects to and from JSON.
implementation "io.ktor:ktor-client-serialization:$ktor_version"
// Logging
implementation "io.ktor:ktor-client-logging:$ktor_version"
implementation "io.ktor:ktor-utils-jvm:$ktor_version"
implementation "io.ktor:ktor-client-okhttp:$ktor_version"
implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$serialization_version"
with values
ext {
compose_ui_version = '1.2.1'
koin_version= "3.2.2"
koin_android_version= "3.2.3"
koin_android_compose_version= "3.2.2"
koin_ktor= "3.2.2"
ktor_version = '1.6.4'
serialization_version = '1.4.1'
}

Gradle 7.2 Version Catalog + extenssions

[versions]
groovy = "3.0.5"
checkstyle = "8.37"
[libraries]
groovy-core = { module = "org.codehaus.groovy:groovy", version.ref = "groovy" }
groovy-json = { module = "org.codehaus.groovy:groovy-json", version.ref = "groovy" }
groovy-nio = { module = "org.codehaus.groovy:groovy-nio", version.ref = "groovy" }
commons-lang3 = { group = "org.apache.commons", name = "commons-lang3", version = {
strictly = "[3.8, 4.0[", prefer="3.9" } }
[bundles]
groovy = ["groovy-core", "groovy-json", "groovy-nio"]
[plugins]
jmh = { id = "me.champeau.jmh", version = "0.6.5" }
Then, when I actually use the artifact, I have to do this:
implementation(libs.groovy-core) {artifact {type = "aar"}}
but when I use bundle? Not all use artifact， How to deal with it
implementation(libs.bundle.groovy) { artifact {type = "aar"}}

Why tor get this error Parent job is Completed

I'm using ktor for the android client but I have an error.
When I run the app for the first time everything is fine and there is no issue, but when I click on the device back button and close the app, and open it again, the app is crashed and I get this error about the ktor:
Parent job is Completed
this is my ktor configure the module:
#InstallIn(SingletonComponent::class)
#Module
object NetworkModule {
private const val TIME_OUT = 60_000
#Singleton
#Provides
fun provideKtor(): HttpClient = HttpClient(Android) {
install(HttpCache)
defaultRequest {
contentType(ContentType.Application.Json)
accept(ContentType.Application.Json)
}
install(ContentNegotiation) {
json(json = Json {
prettyPrint = true
ignoreUnknownKeys = true
isLenient = true
encodeDefaults = false
})
}
install(HttpTimeout) {
connectTimeoutMillis = TIME_OUT.toLong()
socketTimeoutMillis = TIME_OUT.toLong()
requestTimeoutMillis = TIME_OUT.toLong()
}
install(ResponseObserver) {
onResponse { response ->
Log.d("HttpClientLogger - HTTP status", "${response.status.value}")
Log.d("HttpClientLogger - Response:", response.toString())
}
}
install(Logging) {
logger = object : Logger {
override fun log(message: String) {
Log.v("Logger Ktor =>", message)
}
}
level = LogLevel.NONE
}
}
}
Note: I use ktor version "2.0.2".
const val ktor_client_core = "io.ktor:ktor-client-core:$ktor_version"
const val ktor_client_cio = "io.ktor:ktor-client-cio:$ktor_version"
const val ktor_serialization_json = "io.ktor:ktor-serialization-kotlinx-json:$ktor_version"
const val ktor_serialization = "io.ktor:ktor-client-serialization:$ktor_version"
const val ktor_android = "io.ktor:ktor-client-android:$ktor_version"
const val ktor_negotiation = "io.ktor:ktor-client-content-negotiation:$ktor_version"
const val ktor_okhttp = "io.ktor:ktor-client-okhttp:$ktor_version"
const val ktor_logging = "io.ktor:ktor-client-logging:$ktor_version"
How can i fix it?

I found the reason: This is related to Hilt Di (NetworkModule). I have to use an object instead of hilt module for now

The problem is that you cannot use the same instance of the HttpClient.
companion object {
val client get() = HttpClient(Android) { }
}

I have a problem when i am testing ktor. Basically the ApplicationTest class is not injecting repository class it show an error of java..ClassCastExce

This is my application test class
class ApplicationTest {
private val heroRepository: HeroRepository by inject(HeroRepository::class.java)
#OptIn(InternalAPI::class)
#Test
fun `access all heroes endpoints, assert correct information`() = testApplication {
val response = client.get("/naruto/heroes")
assertEquals(
expected =
"""
{
success = true,
message = "ok",
prevPage = null,
nextPage = 2,
heroes = ${heroRepository.heroes[1]!!}
}
""".trimIndent() ,
actual = response.bodyAsText()
)
}
}
It show the error of java.lang.ClassCastException when heroRepository is getting inject and i am using koin for dependency injection
java.lang.ClassCastException: class com.example.repository.HeroRepositoryImpl cannot be cast to class com.example.repository.HeroRepository (com.example.repository.HeroRepositoryImpl is in unnamed module of loader io.ktor.server.engine.OverridingClassLoader$ChildURLClassLoader #7f6ad6c8; com.example.repository.HeroRepository is in unnamed module of loader 'app')
And this is my AllHeroesRoute and here it's perfectly injecting heroRepository
fun Route.getAllHeroes() {
val heroRepository: HeroRepository by inject()
get("/naruto/heroes") {
try {
val page = call.request.queryParameters["page"]?.toInt() ?: 1
require(page in 1..5)
val apiResponse = heroRepository.getAllHeroes(page = page)
call.respond(
message = apiResponse,
status = HttpStatusCode.OK
)
} catch (e: NumberFormatException) {
call.respond(
message = ApiResponse(success = false, message = "Only numbers allowed"),
status = HttpStatusCode.BadRequest
)
} catch (e: IllegalArgumentException) {
call.respond(
message = ApiResponse(success = false, message = "Heroes Not Found"),
status = HttpStatusCode.BadRequest
)
}
}
}

I had the same issue, disabling the developmentMode fixed it:
fun myTestFunc() = testApplication {
environment {
developmentMode = false
}
....
}

Android Mockito test cases with Retrofit

I am new to test cases and I am trying to write test cases for the below code but I did not get success after trying several method. My main target is to cover code coverage of MaintenanceStatusResponseHandler.kt class. I am using mockito to write the test cases. I am already implemented jococo for code coverage but I am facing some issue to write a test cases. Please help me to write test cases of MaintenanceStatusResponseHandler class
Thanks in advance
internal class MaintenanceStatusResponseHandler {
public fun getMaintenanceResponse(voiceAiConfig : VoiceAiConfig):MaintenanceStatus{
val maintenanceStatus = MaintenanceStatus()
val retrofitRepository = RetrofitRepository()
val maintenanceUrl : String
val jwtToken : String
when (voiceAiConfig.server) {
BuildConfig.ENV_PRODUCTION_SERVER -> {
jwtToken = BuildConfig.JWT_TOKEN_PRODUCTION
maintenanceUrl = BuildConfig.MAINTENANCE_PROD_URL
}
BuildConfig.ENV_STAGING_SERVER -> {
jwtToken = BuildConfig.JWT_TOKEN_STAGING
maintenanceUrl = BuildConfig.MAINTENANCE_SANDBOX_URL
}
else -> {
jwtToken = BuildConfig.JWT_TOKEN_SANDBOX
maintenanceUrl = BuildConfig.MAINTENANCE_SANDBOX_URL
}
}
val header = "${VoiceAISDKConstant.JWT_TOKEN_PREFIX} $jwtToken"
retrofitRepository.getRetrofit(maintenanceUrl)
.getMaintenanceStatus(header)
.subscribe { response: MaintenanceStatus.Content, error: Throwable? ->
error.let {
if (error != null) {
maintenanceStatus.error = error
}
}
response.let {
maintenanceStatus.content = response
}
}
return maintenanceStatus
}
}
repository class
class RetrofitRepository() {
val TAG = RetrofitRepository::class.java.canonicalName
fun getRetrofit(baseUrl: String?): VoiceAiServices {
val voiceAiServices: VoiceAiServices = Retrofit.Builder()
.baseUrl(baseUrl!!)
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.build().create(VoiceAiServices::class.java)
return voiceAiServices
}
}
interface
interface VoiceAiServices {
#GET("/v1/api/status")
fun getMaintenanceStatus(#Header("Authorization")header: String): Single<MaintenanceStatus.Content>
}
Pojo class
data class MaintenanceStatus(
var error: Throwable? = null,
var content: Content? = null
) {
data class Content(
val enabled: Boolean,
val maintenanceMsg: String
)
}