Dagger Hilt :- kotlin.UninitializedPropertyAccessException: lateinit属性homeView尚未在l̥Dagger Hilt中初始化

Question

这是我的viewmodel类

class HomeFeedViewModel( val applicationContext: Context, val repo: repository) : ViewModel() {

lateinit private var homeView: HomeView     }

这是我的主视图界面：

interface HomeView {
fun OnSuccessLoadFeed(
        showPostBean: ArrayList<Data_model>,
        lastPage: String,
        currentPage: String
)
fun onSuccessNoContent(msg: String)
fun onSuccessLocation(userBean: Data_model)
fun onSuccessLikePost(likePostBean: Data_model)
}

这是接口的store对象的模块类:-

@Module
@InstallIn(SingletonComponent::class)
abstract class InterfaceModule {

@ExperimentalPagingApi
@Binds
abstract fun getHomeView(fragHome: Frag_home): HomeView

@ExperimentalPagingApi
@Binds
abstract fun getDetailPostview(detailPost: Detail_post): DetailPostview

}

dagger-hilt的所有设置都已完成，并且还在应用程序类中提供了@HiltAndroidApp注释

Answer 1

这里有几个问题：

首先:你不能现场注入一些东西到你的视图模型中。只允许构造函数注入。为此，您必须对视图模型进行以下修改：

@HiltViewModel
class HomeFeedViewModel(
      @ApplicatonContext private val applicationContext: Context, 
      private val repo: repository
) : ViewModel()

第二:你的HomeView不能被注入到你的视图模型中，因为它依赖于一个Frag_Home作为它的“基类”。如果你想在视图模型中注入HomeView，你必须改变你的依赖关系：

@Module
@InstallIn(SingletonComponent::class)
object Module {

@ExperimentalPagingApi
@Binds
// here you need some Implementation of HomeView to provide it to your singleton graph
fun getHomeView(homeViewImpl: HomeViewImpl): HomeView

}