[英]NoClassDefFoundError at AppModule.provideViewModelFactories(AppModule.kt)
我僅在 Kitkat 設備上面臨此崩潰。 我的logcat在下面。 在getViewModel
Fatal Exception: java.lang.NoClassDefFoundError: kotlin.jvm.internal.Intrinsics
at com.transferhome.di.AppModule.provideViewModelFactories(AppModule.kt)
at com.transferhome.di.AppModule_ProvideViewModelFactoriesFactory.provideViewModelFactories(AppModule_ProvideViewModelFactoriesFactory.java:34)
at com.transferhome.di.DaggerAppComponent.getViewModelProviderFactory(DaggerAppComponent.java:281)
at com.transferhome.di.DaggerAppComponent.access$3500(DaggerAppComponent.java:124)
at com.transferhome.di.DaggerAppComponent$SplashActivitySubcomponentImpl.injectSplashActivity(DaggerAppComponent.java:920)
at com.transferhome.di.DaggerAppComponent$SplashActivitySubcomponentImpl.inject(DaggerAppComponent.java:916)
at com.transferhome.di.DaggerAppComponent$SplashActivitySubcomponentImpl.inject(DaggerAppComponent.java:909)
at dagger.android.DispatchingAndroidInjector.maybeInject(DispatchingAndroidInjector.java:113)
at dagger.android.DispatchingAndroidInjector.inject(DispatchingAndroidInjector.java:134)
at dagger.android.AndroidInjection.inject(AndroidInjection.java:63)
at dagger.android.support.DaggerAppCompatActivity.onCreate(DaggerAppCompatActivity.java:41)
at com.transferhome.commons.BaseActivity.onCreate(BaseActivity.kt:41)
at com.transferhome.splash.SplashActivity.onCreate(SplashActivity.kt:38)
在哪里飛濺
class SplashActivity : BaseActivity() {
private lateinit var viewModel: SplashViewModel
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
viewModel = getViewModel()
viewModel.onMoveToNext.listen(this) {
Handler().postDelayed({
openActivityAndClearTask(it)
}, 2000)
}
}
}
基本活動.kt
abstract class BaseActivity : DaggerAppCompatActivity() {
@Inject
lateinit var factories: ViewModelProvider.Factory
inline fun <reified T : ViewModel> getViewModel(): T {
return ViewModelProviders.of(this, factories)[T::class.java]
}
}
AppModule.kt 在哪里
@Module
class AppModule {
@Provides
fun provideViewModelFactories(viewModels: Map<Class<out ViewModel>,
@JvmSuppressWildcards Provider<ViewModel>>):
ViewModelProvider.Factory {
return object : ViewModelProvider.Factory {
override fun <T : ViewModel?> create(modelClass: Class<T>): T {
val factory = viewModels[modelClass]?.get() ?: error(
"No factory provided against ${modelClass.name}"
)
@Suppress("UNCHECKED_CAST")
return factory as T
}
}
}
}
編輯
class App : DaggerApplication() {
override fun applicationInjector(): AndroidInjector<out DaggerApplication> {
return DaggerAppComponent.builder().addContext(this).build()
}
override fun onCreate() {
super.onCreate()
MultiDex.install(this)
}
}
確保您在 Android 項目中以正確的方式配置了 Kotlin :
kotlin-android
Gradle 插件被添加到構建中:
plugins { id("com.android.application") kotlin("android") // This one is important... }
包括標准庫依賴項:
dependencies {... implementation(kotlin("stdlib-jdk7", KotlinCompilerVersion.VERSION))... }
看看這個 repo中的一個示例項目。
如果這只發生在 Kitkat 上,那么它可能是一個多索引問題。
您應該執行以下操作:
android {
defaultConfig {
...
minSdkVersion 15
targetSdkVersion 28
multiDexEnabled true
}
...
}
dependencies {
implementation 'com.android.support:multidex:1.0.3'
}
在 AndroidManifest 中:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapp">
<application
android:name="com.acme.myapp.CustomApplication" >
...
</application>
</manifest>
在 CustomApplication 中:
public class CustomApplication extends Application {
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(base);
MultiDex.install(this);
}
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.