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我学习匕首2 DI,我只是做了这个代码注入改造:匕首+科特林不注射
NetModule.kt
@Module
class AppModule(val mApplication: Application) {
@Provides
@Singleton
fun provideApplication() : Application{
return mApplication
}
}
AppModule.kt
@Module
class AppModule(val mApplication: Application) {
@Provides
@Singleton
fun provideApplication() : Application{
return mApplication
}
}
NetComponent .kt:
@Singleton
@Component(modules = arrayOf(AppModule::class, NetModule::class))
interface NetComponent {
fun inject(activity: Activity)
}
CustomApplication.kt
class CustomApplication : Application() {
companion object {
lateinit var mNetComponent: NetComponent
}
override fun onCreate() {
super.onCreate()
AndroidThreeTen.init(this)
mNetComponent = DaggerNetComponent.builder()
.appModule(AppModule(this))
.netModule(NetModule(getString(R.string.api_base_url)))
.build()
}
}
然后在我的活动:
class TrashCansInfoActivity : AppCompatActivity(){
@Inject
lateinit var mRetrofit: Retrofit
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_trash_cans_info)
CustomApplication.mNetComponent.inject(this)
setSupportActionBar(toolbar)
populateTrashCanList()
}
private fun populateTrashCanList(){
showProgress(true)
mRetrofit.create(ApiClient::class.java)
.getTrashCans()
.map { it.map { it.toTrashCan() } }
.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.doOnError {
showProgress(false)
Toast.makeText(this, "Erro ao carregar lista de lixeiras", Toast.LENGTH_SHORT).show()
}.doOnCompleted { showProgress(false) }
.subscribe(behaviorSubject)
}
}
所以,这个代码应该工作,对不对?应该添加的依赖...但是,当我运行我的应用程序...我得到这个:
kotlin.UninitializedPropertyAccessException: lateinit property mRetrofit has not been initialized
因此,改造没有被注入。我错过了什么?
欢迎任何帮助!
它的工作。谢谢! –