fixed kapt build issue

app/build.gradle

@@ -30,6 +30,10 @@ android {
 
 }
 
+kapt {
+    generateStubs = true
+}
+
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

app/src/main/java/com/architecture/clean/domain/usecase/GetAllFoodsUseCase.kt

@@ -10,7 +10,9 @@ class GetAllFoodsUseCase @Inject constructor(
     errorUtil: CloudErrorMapper,
     private val appRepository: AppRepository
 ) : UseCase<MutableList<Food>>(errorUtil) {
+
     override suspend fun executeOnBackground(): MutableList<Food> {
         return appRepository.selectAllFoods()
     }
+
 }

app/src/main/java/com/architecture/clean/ui/home/HomeFragment.kt

@@ -1,13 +1,13 @@
 package com.architecture.clean.ui.home
 
-import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
-import androidx.lifecycle.ViewModelProviders
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.ViewModelProviders
 import androidx.recyclerview.widget.RecyclerView
 import com.architecture.clean.R
 import com.architecture.clean.domain.model.FoodDto
@@ -18,45 +18,54 @@ import javax.inject.Inject
 import android.util.Pair as UtilPair
 
 
-class  HomeFragment: DaggerFragment() {
-    private val TAG: String = HomeFragment::class.java.simpleName
+class HomeFragment : DaggerFragment() {
+
     companion object {
         val FRAGMENT_NAME: String = HomeFragment::class.java.name
     }
+
     @Inject
     lateinit var viewModelFactory: ViewModelProvider.Factory
-    private val viewModel: HomeViewModel by lazy { ViewModelProviders.of(this,viewModelFactory).get(HomeViewModel::class.java) }
-    val adapter : HomeAdapter by lazy { HomeAdapter(arrayListOf()) }
+    private val TAG: String = HomeFragment::class.java.simpleName
+    private val viewModel: HomeViewModel by lazy {
+        ViewModelProviders.of(this, viewModelFactory).get(HomeViewModel::class.java)
+    }
+    val adapter: HomeAdapter by lazy { HomeAdapter(arrayListOf()) }
+
+
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_home, container, false)
     }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+
         with(viewModel) {
             homeData.observe(this@HomeFragment, Observer {
                 initView(it)
             }
             )
             error.observe(this@HomeFragment, Observer {
-                progressBar_home.visibility= View.GONE
+                progressBar_home.visibility = View.GONE
                 Toast.makeText(context, "${it?.message}", Toast.LENGTH_LONG).show()
             })
 
             foodsCount.observe(this@HomeFragment, Observer {
-                Toast.makeText(context,"you have $it foods in your dataBase !!",Toast.LENGTH_LONG).show()
+                Toast.makeText(context, "you have $it foods in your dataBase !!", Toast.LENGTH_LONG).show()
             })
         }
     }
 
     private fun initView(it: FoodDto?) {
-        rv_main_home.layoutManager = androidx.recyclerview.widget.LinearLayoutManager(context, RecyclerView.VERTICAL, false)
+        rv_main_home.layoutManager =
+            androidx.recyclerview.widget.LinearLayoutManager(context, RecyclerView.VERTICAL, false)
         rv_main_home.adapter = adapter
-        progressBar_home.visibility=View.GONE
+        progressBar_home.visibility = View.GONE
         if (it!!.results.isNotEmpty()) {
             adapter.clear()
             adapter.add(it.results)
 
-        }else{
+        } else {
             Toast.makeText(context, context?.getString(R.string.empty_list), android.widget.Toast.LENGTH_LONG).show()
         }
     }

app/src/main/java/com/architecture/clean/ui/home/HomeViewModel.kt

@@ -1,7 +1,7 @@
 package com.architecture.clean.ui.home
 
-import androidx.lifecycle.MutableLiveData
 import android.util.Log
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import com.architecture.clean.domain.model.FoodDto
 import com.architecture.clean.domain.model.response.ErrorModel
@@ -11,28 +11,32 @@ import com.architecture.clean.domain.usecase.GetHomeUseCase
 import com.architecture.clean.domain.usecase.InsertFoodsUseCase
 import javax.inject.Inject
 
-class HomeViewModel @Inject constructor(private val getHomeUseCase: GetHomeUseCase,
-                                        private val insertFoodsUseCase: InsertFoodsUseCase,
-                                        private val getAllFoodsUseCase: GetAllFoodsUseCase
+class HomeViewModel @Inject constructor(
+    private val getHomeUseCase: GetHomeUseCase,
+    private val insertFoodsUseCase: InsertFoodsUseCase,
+    private val getAllFoodsUseCase: GetAllFoodsUseCase
 ) : ViewModel() {
+
     private val TAG = HomeViewModel::class.java.simpleName
+
     val homeData: MutableLiveData<FoodDto> by lazy { MutableLiveData<FoodDto>() }
-    val error : MutableLiveData<ErrorModel> by lazy { MutableLiveData<ErrorModel>() }
-    val foodsCount : MutableLiveData<Int> by lazy { MutableLiveData<Int>() }
+    val error: MutableLiveData<ErrorModel> by lazy { MutableLiveData<ErrorModel>() }
+    val foodsCount: MutableLiveData<Int> by lazy { MutableLiveData<Int>() }
+
     init {
 
-        getHomeUseCase.execute{
+        getHomeUseCase.execute {
             onComplete {
                 Log.d(TAG, it.toString())
                 homeData.value = it
                 insert(it)
             }
 
             onError { throwable ->
-                if(throwable.errorStatus== ErrorStatus.UNAUTHORIZED){
+                if (throwable.errorStatus == ErrorStatus.UNAUTHORIZED) {
                     doReshresh()
-                }else{
-                    error.value=throwable
+                } else {
+                    error.value = throwable
                 }
 
             }
@@ -48,16 +52,16 @@ class HomeViewModel @Inject constructor(private val getHomeUseCase: GetHomeUseCa
     }
 
 
-    fun insert(foodDto: FoodDto){
-        insertFoodsUseCase.foodDto=foodDto
+    fun insert(foodDto: FoodDto) {
+        insertFoodsUseCase.foodDto = foodDto
         insertFoodsUseCase.execute {
 
             onComplete {
                 returnFoodsInDb()
             }
 
             onError { throwable ->
-                error.value=throwable
+                error.value = throwable
             }
 
             onCancel {
@@ -69,10 +73,10 @@ class HomeViewModel @Inject constructor(private val getHomeUseCase: GetHomeUseCa
     private fun returnFoodsInDb() {
         getAllFoodsUseCase.execute {
             onComplete {
-                foodsCount.value=it.size
+                foodsCount.value = it.size
             }
             onError {
-                error.value=it
+                error.value = it
             }
         }
     }