ComponentProcessingStep 无法处理“MyApplication_HiltComponents.SingletonC”，因为 MyClass 无法解析

问题描述 投票：0回答：2

我正在将我的 compose android 项目从 Koin 迁移到 Dagger-Hilt，但未能注入我的第一个 ViewModel。这是我遇到的错误

error: ComponentProcessingStep was unable to process 'com.example.ingale.IngaleApplication_HiltComponents.SingletonC' because 'com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State' could not be resolved.
  
  Dependency trace:
      => element (CLASS): com.example.ingale.feature_local.main.presentation.view.LocalMainViewModel
      => type (DECLARED superclass): com.example.ingale.mvi.BaseViewModel<com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State,com.example.ingale.feature_local.main.presentation.view.LocalMainContract.Event,com.example.ingale.feature_local.main.presentation.view.LocalMainContract.Effect>
      => type (ERROR type argument): com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State
  
  If type 'com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State' is a generated type, check above for compilation errors that may have prevented the type from being generated. Otherwise, ensure that type 'com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State' is on your classpath.
1 error
ComponentProcessingStep was unable to process 'com.example.ingale.IngaleApplication_HiltComponents.SingletonC' because 'com.example.ingale.feature_local.main.presentation.view.LocalMainContract.State' could not be resolved.

我唯一的 Activity 

MainActivity
上有 @AndroidEntryPoint 注释，Manifest 中声明的 Application 类上有 
@HiltAndroidApp
。

这是无法解析的 State 类

interface LocalMainContract {

    sealed interface Event : UiEvent {
        class PermissionResult(val permission: String, val isGranted: Boolean) : Event
        data object DismissPermissionDialog : Event
        class AlbumClicked(val songsSet: SongsSet) : Event
        class ArtistClicked(val songsSet: SongsSet) : Event
        class Search(val query: String) : Event

        class PlaySong(val song: Song) : Event
    }

    sealed interface Effect : UiEffect {
        data object ScrollToTop : Effect

        data object RequestPermissions : Effect
    }

    @Immutable
    data class State(
        val searchTextField: String,
        val allSongs: StableList<Song>,
        val albums: StableList<Album>,
        val artists: StableList<Artist>,
        val areSongsLoading: Boolean,
        val visiblePermissionDialogQueue: StableList<String>
    ): UiState {

        companion object {
            const val SECTION_SONGS = "Songs"
            const val SECTION_ALBUMS = "Albums"
            const val SECTION_ARTISTS = "Artists"
        }

        val sections: StableList<String> = stableListOf(SECTION_SONGS, SECTION_ALBUMS, SECTION_ARTISTS)
    }
}

StableList 只是带有 compose @Immutable 注释的 List 的包装类，但我也尝试过普通列表。

这是

LocalMainViewModel

@HiltViewModel
class LocalMainViewModel @Inject constructor(
    private val getSongsUseCase: GetSongsUseCase,
    private val organizeSongsUseCase: OrganizeSongsUseCase,
    private val filterUseCase: FilterUseCase,
) : BaseViewModel<State, Event, Effect> () {...}

这是 BaseViewModel：

abstract class BaseViewModel<State : UiState, Event : UiEvent, Effect : UiEffect> : ViewModel() {

    private val initialState: State by lazy { defineInitialState() }
    protected abstract fun defineInitialState(): State

    private val _state = MutableStateFlow(initialState)
    val state = _state.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), initialState)

    private val _event = MutableSharedFlow<Event>()

    private val _effect = Channel<Effect>()
    val effect = _effect.asFlow(viewModelScope)

    val currentState: State
        get() = _state.value

    init {
        subscribeEvents()
    }

    fun sendEvent(event: Event) {
        viewModelScope.launch {
            _event.emit(event)
        }
    }

    private fun subscribeEvents() {
        viewModelScope.launch {
            _event.collect {
                handleEvent(it)
            }
        }
    }
    protected abstract fun handleEvent(event: Event)

    protected fun sendEffect(builder: () -> Effect) {
        viewModelScope.launch {
            _effect.send(builder())
        }
    }

    protected fun updateState(modify: State.() -> State) {
        viewModelScope.launch {
            _state.emit(currentState.modify())
        }
    }
}

UiState、UiEvent 和 UiEffect 是空接口

这是我注入 LocalMainViewModel 的地方：

NavHost(
        navController = navController,
        startDestination = Screens.Local.MainScreen.route
    ) {
        composable(
            route = Screens.Local.MainScreen.route,
        ) {
            LaunchedEffect(Unit) { bottomNavigationEffects.emit(BottomNavigationEffects.ShowBottomBar) }
            val vm = hiltViewModel<LocalMainViewModel>()
            LocalMainScreen(
                state = vm.state.collectAsState().value,
                sendEvent = vm::sendEvent,
                effects = vm.effect,
                requiredPermissions = vm.requiredPermissions
            )
        }
     }

     //One more composable with Koin injection yet
}

这是我的应用程序级 build.gradle.kts：

// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
    alias(libs.plugins.android.application) apply false
    alias(libs.plugins.android.library) apply false
    alias(libs.plugins.jetbrains.kotlin.android) apply false
    alias(libs.plugins.kotlin.kapt) apply false

    alias(libs.plugins.hilt.android) apply false
}

这是模块级的build.gradle.kts：

plugins {
    alias(libs.plugins.android.application)
    alias(libs.plugins.jetbrains.kotlin.android)
    alias(libs.plugins.kotlin.kapt)
    alias(libs.plugins.hilt.android)
}

kapt {
    correctErrorTypes = true
}

android {
    namespace = "com.example.ingale"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.example.ingale"
        minSdk = 24
        targetSdk = 34
        versionCode = 1
        versionName = "1.0"

        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables {
            useSupportLibrary = true
        }
    }

    buildFeatures {
        compose = true
    }
    buildTypes {
        getByName("release") {
            isMinifyEnabled = false
            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
//            signingConfig = signingConfigs.debug
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    composeOptions {
        kotlinCompilerExtensionVersion = "1.5.7"
    }
    kotlinOptions {
        jvmTarget = "1.8"
    }
}

dependencies {
    implementation(libs.androidx.ktx)
    implementation(platform(libs.kotlin.bom))
    implementation(libs.androidx.lifecycle)
    implementation(libs.androidx.activity.compose)
    implementation(platform(libs.androidx.compose.bom))
    implementation(libs.androidx.compose.ui)
    implementation(libs.androidx.compose.ui.graphics)
    implementation(libs.androidx.compose.ui.tooling.preview)
    implementation(libs.androidx.compose.material3)
    implementation(libs.google.material)
    implementation(libs.androidx.media3)
    testImplementation(libs.junit)
    androidTestImplementation(libs.androidx.junit)
    androidTestImplementation(libs.androidx.espresso)
    androidTestImplementation(platform(libs.androidx.compose.bom))
    androidTestImplementation(libs.androidx.compose.junit)
    debugImplementation(libs.androidx.compose.ui.tooling)
    debugImplementation(libs.androidx.compose.ui.test.manifest)

    // Compose constraint layout
    implementation(libs.androidx.compose.constraintlayout)

    // Compose Navigation
    implementation(libs.androidx.compose.navigation)

    // Koin for Kotlin apps
    implementation("io.insert-koin:koin-core:3.4.3")
    implementation("io.insert-koin:koin-android:3.4.3")
    implementation("io.insert-koin:koin-androidx-compose:3.4.6")

    // Dagger-Hilt
    implementation(libs.hilt.android)
    annotationProcessor(libs.hilt.compiler)
    kapt(libs.hilt.compiler)
    implementation(libs.androidx.hilt.navigation.compose)
//    implementation("com.google.dagger:hilt-android:2.50")
//    annotationProcessor("com.google.dagger:hilt-compiler:2.50")
//    kapt("com.google.dagger:hilt-compiler:2.50")
//    implementation("androidx.hilt:hilt-navigation-compose:1.1.0")

    // Retrofit
    implementation(libs.google.gson)
    implementation(libs.squareup.retrofit2)
    implementation(libs.squareup.retrofit2.converter.gson)

    // Media Notification
    implementation(libs.androidx.media)
}


libs.versions.toml
文件中刀柄的依赖关系：

[versions]
hilt-version = "2.50"
// other versions
...

[libraries]
hilt-android = { group = "com.google.dagger", name = "hilt-android", version.ref = "hilt-version" }
hilt-compiler = { group = "com.google.dagger", name = "hilt-compiler", version.ref = "hilt-version" }
androidx-hilt-navigation-compose = { group = "androidx.hilt", name = "hilt-navigation-compose", version = "1.1.0" }
// other libraries

[plugins]
kotlin-kapt = { id = "org.jetbrains.kotlin.kapt", version.ref = "kotlin-version" }
hilt-android = { id = "com.google.dagger.hilt.android", version.ref = "hilt-version" }
// other plugins

我几乎尝试了所有方法：使用不同版本的 hilt 和 kotlin，使用 ksp 而不是 kapt 以及here提到的兼容版本，将 State 类移至单独的文件，包括插件 

com.google.dagger:hilt-android-gradle-plugin
，添加“com.google.dagger:dagger -compiler:2.50")，将 sourceCompatibility、targetCompatibility 和 jvmTarget 更改为 17，用 @HiltViewModel 注释 BaseViewModel，在所有这些情况下我都会得到完全相同的错误。我尝试在一个新项目中使用 ksp 重现这一点，同时也在这个项目中使用 ksp 但我做不到，而且我没有发现任何重要的区别。 Hilt 特定的依赖关系也完全相同。

android android-jetpack-compose dagger dagger-hilt koin
2个回答
0
投票

您提供的代码似乎没有问题。唯一看起来可疑的是你仍然有一些 Koin DI 正在进行。您是否尝试过删除仍然使用 Koin 的所有内容，包括依赖项？

唯一的通用建议是使 Android Studio 中的缓存无效，甚至可能使 gradle 缓存无效并进行干净的重建。

除此之外，你只需要遵循：

我尝试在新项目中重现这一点[...]但我做不到，而且我没有发现任何重要的区别

某处将会有所不同。继续逐步将所有内容添加到新项目中，直到旧项目中不再需要任何内容为止。此时，您可以删除旧的、失败的项目并继续新的项目。或者，在某个时候，您遇到了问题，通过该问题，您已经查明了罪魁祸首，并找到了解决问题的新线索。

记住：经常提交，否则很快就会变得混乱。

0
投票

我面临着同样的问题，并在这里找到了这个解决方案：https://github.com/google/dagger/issues/4187

所以基本上问题是，我从一些文件中删除了“package”行。这使得这些问题无法得到妥善解决。 再次添加此“包”行后，我重建了项目，现在一切正常。

我正在谈论

package com.test.yourapplication.di
，例如。

最新问题
© www.soinside.com 2019 - 2024. All rights reserved.