add hilt

app/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'com.android.application'
     id 'kotlin-android'
     id 'kotlin-kapt'
+    id 'dagger.hilt.android.plugin'
 }
 
 android {
@@ -75,6 +76,8 @@ dependencies {
     def dagger = "2.41"
     implementation "com.google.dagger:dagger:${dagger}"
     kapt "com.google.dagger:dagger-compiler:${dagger}"
+    implementation("com.google.dagger:hilt-android:${dagger}")
+    kapt("com.google.dagger:hilt-android-compiler:${dagger}")
 }
 
 detekt {

app/src/main/java/com/example/web_app/App.kt

@@ -1,20 +1,7 @@
 package com.example.web_app
 
 import android.app.Application
-import com.example.web_app.di.AppComponent
-import com.example.web_app.di.DaggerAppComponent
-import com.example.web_app.di.module.AppModule
-import com.example.web_app.di.module.NetModule
+import dagger.hilt.android.HiltAndroidApp
 
-class App:Application() {
-    lateinit var appComponent: AppComponent
-
-    override fun onCreate() {
-        super.onCreate()
-        appComponent = DaggerAppComponent
-            .builder()
-            .appModule(AppModule())
-            .netModule(NetModule())
-            .build()
-    }
-}
+@HiltAndroidApp
+class App : Application()

app/src/main/java/com/example/web_app/di/module/AppModule.kt

@@ -3,10 +3,13 @@ package com.example.web_app.di.module
 import com.example.web_app.data.api.mapper.WeatherMapper
 import dagger.Module
 import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.Dispatchers
 
 @Module
+@InstallIn(SingletonComponent::class)
 class AppModule {
     @Provides
     fun provideWeatherMapper(): WeatherMapper = WeatherMapper()

app/src/main/java/com/example/web_app/di/module/NetModule.kt

@@ -4,6 +4,8 @@ import com.example.web_app.BuildConfig
 import com.example.web_app.data.api.Api
 import dagger.Module
 import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
@@ -18,6 +20,7 @@ private const val API_KEY = "9e8331105a420290e0619d9769c5dc65"
 private const val QUERY_API_KEY = "appid"
 
 @Module
+@InstallIn(SingletonComponent::class)
 class NetModule{
     @Provides
     @Named("apiKey")

app/src/main/java/com/example/web_app/di/module/RepositoryModule.kt

@@ -4,8 +4,11 @@ import com.example.web_app.data.WeatherRepositoryImpl
 import com.example.web_app.domain.WeatherRepository
 import dagger.Binds
 import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
 
 @Module
+@InstallIn(SingletonComponent::class)
 interface RepositoryModule {
 
     @Binds

app/src/main/java/com/example/web_app/di/module/UseCaseModule.kt

@@ -6,9 +6,12 @@ import com.example.web_app.domain.usecase.GetWeatherByIdUseCase
 import com.example.web_app.domain.usecase.GetWeatherListUseCase
 import dagger.Module
 import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
 import javax.inject.Singleton
 
 @Module
+@InstallIn(SingletonComponent::class)
 class UseCaseModule {
     @Provides
     @Singleton

app/src/main/java/com/example/web_app/presentation/ui/MainActivity.kt

@@ -6,15 +6,13 @@ import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import com.example.web_app.App
 import com.example.web_app.R
-import com.example.web_app.di.AppComponent
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
-    lateinit var appComponent: AppComponent
 
     private lateinit var controller: NavController
     override fun onCreate(savedInstanceState: Bundle?) {
-        appComponent = (application as App).appComponent
-        appComponent.inject(this)
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         controller =

app/src/main/java/com/example/web_app/presentation/ui/fragment/DetailFragment.kt

@@ -9,21 +9,20 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.lifecycleScope
 import com.example.web_app.R
-import com.example.web_app.AppViewModelFactory
 import com.example.web_app.databinding.FragmentDetailBinding
 import com.example.web_app.domain.entity.Weather
-import com.example.web_app.presentation.ui.MainActivity
 import com.example.web_app.presentation.viewModel.DetailFragmentViewModel
+import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 import java.text.SimpleDateFormat
 import javax.inject.Inject
 
+@AndroidEntryPoint
 class DetailFragment : Fragment(R.layout.fragment_detail) {
-    @Inject
-    lateinit var factoryApp: AppViewModelFactory
+
 
     var binding: FragmentDetailBinding? = null
-    private val viewModel: DetailFragmentViewModel by viewModels { factoryApp }
+    private val viewModel: DetailFragmentViewModel by viewModels()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -41,10 +40,6 @@ class DetailFragment : Fragment(R.layout.fragment_detail) {
         id?.let { getWeather(it) }
     }
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        (activity as MainActivity).appComponent.inject(this)
-        super.onCreate(savedInstanceState)
-    }
     private fun getWeather(id: Int) {
         lifecycleScope.launch {
             viewModel.getWeatherById(id)

app/src/main/java/com/example/web_app/presentation/ui/fragment/SearchFragment.kt

@@ -17,16 +17,16 @@ import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.example.web_app.R
-import com.example.web_app.AppViewModelFactory
 import com.example.web_app.databinding.FragmentSearchBinding
-import com.example.web_app.presentation.ui.MainActivity
 import com.example.web_app.presentation.ui.adapter.WeatherAdapter
 import com.example.web_app.presentation.viewModel.SearchFragmentViewModel
 import com.google.android.gms.location.FusedLocationProviderClient
 import com.google.android.gms.location.LocationServices
+import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+@AndroidEntryPoint
 class SearchFragment : Fragment(R.layout.fragment_search) {
     private val CONST_LONGITUDE = 10.34
     private val CONST_LATITUDE = 12.35
@@ -36,17 +36,11 @@ class SearchFragment : Fragment(R.layout.fragment_search) {
     private var changingLatitude: Double = CONST_LATITUDE
     private lateinit var locationClient: FusedLocationProviderClient
 
-    @Inject
-    lateinit var factoryApp: AppViewModelFactory
-    private val viewModel: SearchFragmentViewModel by viewModels {
-        factoryApp
-    }
+    private val viewModel: SearchFragmentViewModel by viewModels()
+
     private var mRecyclerView: RecyclerView? = null
     private var weatherAdapter: WeatherAdapter? = null
-    override fun onCreate(savedInstanceState: Bundle?) {
-        (activity as MainActivity).appComponent.inject(this)
-        super.onCreate(savedInstanceState)
-    }
+
     var binding: FragmentSearchBinding? = null;
     override fun onCreateView(
         inflater: LayoutInflater,

app/src/main/java/com/example/web_app/presentation/viewModel/DetailFragmentViewModel.kt

@@ -6,15 +6,17 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.example.web_app.domain.entity.Weather
 import com.example.web_app.domain.usecase.GetWeatherByIdUseCase
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+@HiltViewModel
 class DetailFragmentViewModel @Inject constructor(
     private val getWeatherByIdUseCase: GetWeatherByIdUseCase
-):ViewModel() {
+) : ViewModel() {
     private var _weather: MutableLiveData<Result<Weather>> = MutableLiveData()
     val weather: LiveData<Result<Weather>> = _weather
-    fun getWeatherById(id:Int) {
+    fun getWeatherById(id: Int) {
         viewModelScope.launch {
             try {
                 val weather = getWeatherByIdUseCase(id)

app/src/main/java/com/example/web_app/presentation/viewModel/SearchFragmentViewModel.kt

@@ -7,9 +7,11 @@ import androidx.lifecycle.viewModelScope
 import com.example.web_app.domain.entity.Weather
 import com.example.web_app.domain.usecase.GetWeatherByCityUseCase
 import com.example.web_app.domain.usecase.GetWeatherListUseCase
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+@HiltViewModel
 class SearchFragmentViewModel @Inject constructor(
     private val getWeatherListUseCase: GetWeatherListUseCase,
     private val getWeatherByCityUseCase: GetWeatherByCityUseCase

build.gradle

@@ -7,7 +7,7 @@ buildscript {
     dependencies {
         classpath "com.android.tools.build:gradle:7.0.3"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10"
-
+        classpath "com.google.dagger:hilt-android-gradle-plugin:2.41"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }