[英]Koin Android: org.koin.error.NoBeanDefFoundException
Got that message error收到该消息错误
java.lang.RuntimeException: Unable to create application com.app.name.application.MainApplication: org.koin.error.BeanInstanceCreationException: Can't create bean Bean[class=com.app.name.general.preferences.Preferences] due to error :
org.koin.error.NoBeanDefFoundException: No definition found to resolve type 'android.app.Application'. Check your module definition
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5830)
at android.app.ActivityThread.-wrap1(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1673)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:172)
at android.app.ActivityThread.main(ActivityThread.java:6637)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: org.koin.error.BeanInstanceCreationException: Can't create bean Bean[class=com.app.name.general.preferences.Preferences] due to error :
org.koin.error.NoBeanDefFoundException: No definition found to resolve type 'android.app.Application'. Check your module definition
at org.koin.core.instance.InstanceFactory.createInstance(InstanceFactory.kt:63)
at org.koin.core.instance.InstanceFactory.retrieveInstance(InstanceFactory.kt:26)
at org.koin.KoinContext$resolveInstance$$inlined$synchronized$lambda$1.invoke(KoinContext.kt:85)
at org.koin.KoinContext$resolveInstance$$inlined$synchronized$lambda$1.invoke(KoinContext.kt:23)
at org.koin.ResolutionStack.resolve(ResolutionStack.kt:23)
at org.koin.KoinContext.resolveInstance(KoinContext.kt:80)
at com.app.name.constants.EnvironmentConstants$initEnvironmentVariables$$inlined$getKoinInstance$1$1.invoke(KoinComponent.kt:114)
at kotlin.SynchronizedLazyImpl.getValue(Lazy.kt:131)
at com.app.name.constants.EnvironmentConstants$initEnvironmentVariables$$inlined$getKoinInstance$1.getValue(Unknown Source:7)
at com.app.name.constants.EnvironmentConstants.initEnvironmentVariables(EnvironmentConstants.kt:180)
at com.app.name.application.MainApplication.onCreate(MainApplication.kt:59)
at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5827)
... 8 more
But all dependencies were correct.但是所有依赖项都是正确的。
Also I noticed that modules without androidApplication()
argument works correctly.我还注意到没有
androidApplication()
参数的模块可以正常工作。
Code looks like:代码看起来像:
startKoin(listOf(
imageManagerModule,
databaseRepositoryModule
))
ImageManager works perfectly ImageManager 完美运行
val imageManagerModule: Module = applicationContext {
bean { ImageManagerImpl() as ImageManager }
}
But Preferences crashes但是首选项崩溃
val preferencesModule: Module = applicationContext {
bean { PreferencesImpl(androidApplication()) as Preferences }
}
Solution is easy but not so obvious.解决方案很简单,但不是那么明显。
Somehow Android Studio imported standalone startKoin
function instead of specific android function.不知何故,Android Studio 导入了独立的
startKoin
函数,而不是特定的 android 函数。
So I had to replace所以我不得不更换
import org.koin.standalone.StandAloneContext.startKoin
To到
import org.koin.android.ext.android.startKoin
And that works!这有效!
In my case I needed to make like this:就我而言,我需要这样做:
import android.app.Application
import org.koin.android.ext.koin.androidContext
import org.koin.android.ext.koin.androidFileProperties
import org.koin.android.ext.koin.androidLogger
import org.koin.android.viewmodel.dsl.viewModel
import org.koin.core.context.startKoin
import org.koin.core.module.Module
import org.koin.dsl.module
class MyApplication : Application() {
override fun onCreate(){
super.onCreate()
// start Koin!
startKoin {
// Android context
androidLogger()
androidContext(this@MyApplication)
// use the Android context given there
// load properties from assets/koin.properties file
androidFileProperties()
// modules
modules(myModule)
}
}
val myModule: Module = module { viewModel { MyViewModel() }}
}
and use older dependencies:并使用旧的依赖项:
implementation("org.koin:koin-android:2.0.1")
implementation("org.koin:koin-android-viewmodel:2.0.1")
我有类似的问题,尝试只添加此依赖项,它将被解决
// Room implementation "android.arch.persistence.room:runtime:1.1.1" kapt "android.arch.persistence.room:compiler:1.1.1" .
In my case for another situation it wrote this message:在我的另一种情况下,它写了这条消息:
"org.koin.core.error.NoBeanDefFoundException: No definition found for class:'...Actions'. Check your definitions!" “org.koin.core.error.NoBeanDefFoundException:找不到类的定义:'...Actions'。检查你的定义!”
private val actions: Actions by inject()
var modules = module(override = true) {
single<Actions> { ActionsImpl(get()) }
}
@Test
fun test() {
actions.swipe()
}
In this case Actions
is an interface.在这种情况下,
Actions
是一个接口。
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