如何解决通过匕首亨提供错误的错误？

Question

我在项目中使用了Kotlin Clean Architecture + Hilt。 这是我遇到的错误：

    C:\Users\ayoub\AndroidStudioProjects\cleanArchitecture_project\app\build\generated\source\kapt\debug\com\example\cleanarchitecture_project\presentation\App_HiltComponents.java:122: error: [Dagger/MissingBinding] com.example.cleanarchitecture_project.domain.repository.UserRepository cannot be provided without an @Provides-annotated method.
  public abstract static class SingletonC implements App_GeneratedInjector,
                         ^
      com.example.cleanarchitecture_project.domain.repository.UserRepository is injected at
          com.example.cleanarchitecture_project.domain.UseCase(repository)
      com.example.cleanarchitecture_project.domain.UseCase is injected at
          com.example.cleanarchitecture_project.presentation.UserViewModel(useCase)
      com.example.cleanarchitecture_project.presentation.UserViewModel is injected at
          com.example.cleanarchitecture_project.presentation.UserViewModel_HiltModules.BindsModule.binds(vm)
      @dagger.hilt.android.internal.lifecycle.HiltViewModelMap java.util.Map<java.lang.String,javax.inject.Provider<androidx.lifecycle.ViewModel>> is requested at
          dagger.hilt.android.internal.lifecycle.HiltViewModelFactory.ViewModelFactoriesEntryPoint.getHiltViewModelMap() [com.example.cleanarchitecture_project.presentation.App_HiltComponents.SingletonC ? com.example.cleanarchitecture_project.presentation.App_HiltComponents.ActivityRetainedC ? com.example.cleanarchitecture_project.presentation.App_HiltComponents.ViewModelC]

这是Bitbucket项目的链接： 在这里

感谢您的帮助。

Answer 1

将@singleton注释和@Inject构造函数添加到UserRepository

@Singleton
class UserRepository @Inject constructor(private val userDao: UserDao) {
...
}