Integrate Hilt for ViewModels

app/build.gradle

@@ -3,6 +3,7 @@ plugins {
     id 'com.google.gms.google-services'
     id 'com.google.firebase.crashlytics'
     id 'com.mikepenz.aboutlibraries.plugin'
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
@@ -93,4 +94,6 @@ dependencies {
     implementation libs.library
     implementation libs.materialratingbar.library
     implementation libs.codeview
+    implementation libs.hilt.android
+    annotationProcessor libs.hilt.compiler
 }

app/src/main/java/com/d4rk/androidtutorials/java/ads/managers/AppOpenAd.java

@@ -20,9 +20,12 @@
 import com.google.android.gms.ads.MobileAds;
 import com.google.android.gms.ads.appopen.AppOpenAd.AppOpenAdLoadCallback;
 
+import dagger.hilt.android.HiltAndroidApp;
+
 import java.util.Date;
 
 @SuppressWarnings("ALL")
+@HiltAndroidApp
 public class AppOpenAd extends Application implements ActivityLifecycleCallbacks, LifecycleObserver {
     private AppOpenAdManager appOpenAdManager;
     private Activity currentActivity;

app/src/main/java/com/d4rk/androidtutorials/java/di/AppModule.java

@@ -0,0 +1,268 @@
+package com.d4rk.androidtutorials.java.di;
+
+import android.app.Application;
+import android.content.res.AssetManager;
+
+import com.android.volley.RequestQueue;
+import com.android.volley.toolbox.Volley;
+import com.d4rk.androidtutorials.java.data.repository.DefaultHomeRepository;
+import com.d4rk.androidtutorials.java.data.repository.DefaultQuizRepository;
+import com.d4rk.androidtutorials.java.data.repository.HomeRepository;
+import com.d4rk.androidtutorials.java.data.repository.QuizRepository;
+import com.d4rk.androidtutorials.java.data.source.DefaultHomeLocalDataSource;
+import com.d4rk.androidtutorials.java.data.source.DefaultHomeRemoteDataSource;
+import com.d4rk.androidtutorials.java.data.source.DefaultQuizLocalDataSource;
+import com.d4rk.androidtutorials.java.data.source.HomeLocalDataSource;
+import com.d4rk.androidtutorials.java.data.source.HomeRemoteDataSource;
+import com.d4rk.androidtutorials.java.data.source.QuizLocalDataSource;
+import com.d4rk.androidtutorials.java.domain.about.GetCurrentYearUseCase;
+import com.d4rk.androidtutorials.java.domain.about.GetVersionStringUseCase;
+import com.d4rk.androidtutorials.java.domain.help.LaunchReviewFlowUseCase;
+import com.d4rk.androidtutorials.java.domain.help.RequestReviewFlowUseCase;
+import com.d4rk.androidtutorials.java.domain.home.GetDailyTipUseCase;
+import com.d4rk.androidtutorials.java.domain.home.GetPromotedAppsUseCase;
+import com.d4rk.androidtutorials.java.domain.main.ApplyLanguageSettingsUseCase;
+import com.d4rk.androidtutorials.java.domain.main.ApplyThemeSettingsUseCase;
+import com.d4rk.androidtutorials.java.domain.main.BuildShortcutIntentUseCase;
+import com.d4rk.androidtutorials.java.domain.main.GetAppUpdateManagerUseCase;
+import com.d4rk.androidtutorials.java.domain.main.GetBottomNavLabelVisibilityUseCase;
+import com.d4rk.androidtutorials.java.domain.main.GetDefaultTabPreferenceUseCase;
+import com.d4rk.androidtutorials.java.domain.main.IsAppInstalledUseCase;
+import com.d4rk.androidtutorials.java.domain.main.MarkStartupScreenShownUseCase;
+import com.d4rk.androidtutorials.java.domain.main.ShouldShowStartupScreenUseCase;
+import com.d4rk.androidtutorials.java.domain.quiz.LoadQuizQuestionsUseCase;
+import com.d4rk.androidtutorials.java.domain.settings.ApplyConsentUseCase;
+import com.d4rk.androidtutorials.java.domain.settings.GetSharedPreferencesUseCase;
+import com.d4rk.androidtutorials.java.domain.settings.OnPreferenceChangedUseCase;
+import com.d4rk.androidtutorials.java.domain.startup.LoadConsentFormUseCase;
+import com.d4rk.androidtutorials.java.domain.startup.RequestConsentInfoUseCase;
+import com.d4rk.androidtutorials.java.domain.support.InitBillingClientUseCase;
+import com.d4rk.androidtutorials.java.domain.support.InitMobileAdsUseCase;
+import com.d4rk.androidtutorials.java.domain.support.InitiatePurchaseUseCase;
+import com.d4rk.androidtutorials.java.domain.support.QueryProductDetailsUseCase;
+import com.d4rk.androidtutorials.java.ui.screens.about.repository.AboutRepository;
+import com.d4rk.androidtutorials.java.ui.screens.help.repository.HelpRepository;
+import com.d4rk.androidtutorials.java.ui.screens.main.repository.MainRepository;
+import com.d4rk.androidtutorials.java.ui.screens.settings.repository.SettingsRepository;
+import com.d4rk.androidtutorials.java.ui.screens.startup.repository.StartupRepository;
+import com.d4rk.androidtutorials.java.ui.screens.support.repository.SupportRepository;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import dagger.Module;
+import dagger.Provides;
+import dagger.hilt.InstallIn;
+import dagger.hilt.components.SingletonComponent;
+import javax.inject.Singleton;
+
+@Module
+@InstallIn(SingletonComponent.class)
+public class AppModule {
+
+    @Provides
+    @Singleton
+    public ExecutorService provideExecutorService() {
+        return Executors.newSingleThreadExecutor();
+    }
+
+    @Provides
+    @Singleton
+    public RequestQueue provideRequestQueue(Application application) {
+        return Volley.newRequestQueue(application);
+    }
+
+    @Provides
+    @Singleton
+    public HomeRemoteDataSource provideHomeRemoteDataSource(RequestQueue queue) {
+        return new DefaultHomeRemoteDataSource(queue,
+                "https://raw.githubusercontent.com/D4rK7355608/com.d4rk.apis/refs/heads/main/App%20Toolkit/release/en/home/api_android_apps.json");
+    }
+
+    @Provides
+    @Singleton
+    public HomeLocalDataSource provideHomeLocalDataSource(Application application) {
+        return new DefaultHomeLocalDataSource(application);
+    }
+
+    @Provides
+    @Singleton
+    public HomeRepository provideHomeRepository(HomeRemoteDataSource remote,
+                                                HomeLocalDataSource local) {
+        return new DefaultHomeRepository(remote, local);
+    }
+
+    @Provides
+    public GetDailyTipUseCase provideGetDailyTipUseCase(HomeRepository repository) {
+        return new GetDailyTipUseCase(repository);
+    }
+
+    @Provides
+    public GetPromotedAppsUseCase provideGetPromotedAppsUseCase(HomeRepository repository) {
+        return new GetPromotedAppsUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public AboutRepository provideAboutRepository(Application application) {
+        return new AboutRepository(application);
+    }
+
+    @Provides
+    public GetVersionStringUseCase provideGetVersionStringUseCase(AboutRepository repository) {
+        return new GetVersionStringUseCase(repository);
+    }
+
+    @Provides
+    public GetCurrentYearUseCase provideGetCurrentYearUseCase(AboutRepository repository) {
+        return new GetCurrentYearUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public MainRepository provideMainRepository(Application application) {
+        return new MainRepository(application);
+    }
+
+    @Provides
+    public ApplyThemeSettingsUseCase provideApplyThemeSettingsUseCase(MainRepository repository) {
+        return new ApplyThemeSettingsUseCase(repository);
+    }
+
+    @Provides
+    public GetBottomNavLabelVisibilityUseCase provideGetBottomNavLabelVisibilityUseCase(MainRepository repository) {
+        return new GetBottomNavLabelVisibilityUseCase(repository);
+    }
+
+    @Provides
+    public GetDefaultTabPreferenceUseCase provideGetDefaultTabPreferenceUseCase(MainRepository repository) {
+        return new GetDefaultTabPreferenceUseCase(repository);
+    }
+
+    @Provides
+    public ApplyLanguageSettingsUseCase provideApplyLanguageSettingsUseCase(MainRepository repository) {
+        return new ApplyLanguageSettingsUseCase(repository);
+    }
+
+    @Provides
+    public ShouldShowStartupScreenUseCase provideShouldShowStartupScreenUseCase(MainRepository repository) {
+        return new ShouldShowStartupScreenUseCase(repository);
+    }
+
+    @Provides
+    public MarkStartupScreenShownUseCase provideMarkStartupScreenShownUseCase(MainRepository repository) {
+        return new MarkStartupScreenShownUseCase(repository);
+    }
+
+    @Provides
+    public IsAppInstalledUseCase provideIsAppInstalledUseCase(MainRepository repository) {
+        return new IsAppInstalledUseCase(repository);
+    }
+
+    @Provides
+    public BuildShortcutIntentUseCase provideBuildShortcutIntentUseCase(MainRepository repository) {
+        return new BuildShortcutIntentUseCase(repository);
+    }
+
+    @Provides
+    public GetAppUpdateManagerUseCase provideGetAppUpdateManagerUseCase(MainRepository repository) {
+        return new GetAppUpdateManagerUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public SettingsRepository provideSettingsRepository(Application application) {
+        return new SettingsRepository(application);
+    }
+
+    @Provides
+    public OnPreferenceChangedUseCase provideOnPreferenceChangedUseCase(SettingsRepository repository) {
+        return new OnPreferenceChangedUseCase(repository);
+    }
+
+    @Provides
+    public GetSharedPreferencesUseCase provideGetSharedPreferencesUseCase(SettingsRepository repository) {
+        return new GetSharedPreferencesUseCase(repository);
+    }
+
+    @Provides
+    public ApplyConsentUseCase provideApplyConsentUseCase(SettingsRepository repository) {
+        return new ApplyConsentUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public QuizLocalDataSource provideQuizLocalDataSource(Application application) {
+        AssetManager manager = application.getAssets();
+        return new DefaultQuizLocalDataSource(manager);
+    }
+
+    @Provides
+    @Singleton
+    public QuizRepository provideQuizRepository(QuizLocalDataSource local) {
+        return new DefaultQuizRepository(local);
+    }
+
+    @Provides
+    public LoadQuizQuestionsUseCase provideLoadQuizQuestionsUseCase(QuizRepository repository) {
+        return new LoadQuizQuestionsUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public StartupRepository provideStartupRepository(Application application) {
+        return new StartupRepository(application);
+    }
+
+    @Provides
+    public RequestConsentInfoUseCase provideRequestConsentInfoUseCase(StartupRepository repository) {
+        return new RequestConsentInfoUseCase(repository);
+    }
+
+    @Provides
+    public LoadConsentFormUseCase provideLoadConsentFormUseCase(StartupRepository repository) {
+        return new LoadConsentFormUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public SupportRepository provideSupportRepository(Application application) {
+        return new SupportRepository(application);
+    }
+
+    @Provides
+    public InitBillingClientUseCase provideInitBillingClientUseCase(SupportRepository repository) {
+        return new InitBillingClientUseCase(repository);
+    }
+
+    @Provides
+    public QueryProductDetailsUseCase provideQueryProductDetailsUseCase(SupportRepository repository) {
+        return new QueryProductDetailsUseCase(repository);
+    }
+
+    @Provides
+    public InitiatePurchaseUseCase provideInitiatePurchaseUseCase(SupportRepository repository) {
+        return new InitiatePurchaseUseCase(repository);
+    }
+
+    @Provides
+    public InitMobileAdsUseCase provideInitMobileAdsUseCase(SupportRepository repository) {
+        return new InitMobileAdsUseCase(repository);
+    }
+
+    @Provides
+    @Singleton
+    public HelpRepository provideHelpRepository(Application application) {
+        return new HelpRepository(application);
+    }
+
+    @Provides
+    public RequestReviewFlowUseCase provideRequestReviewFlowUseCase(HelpRepository repository) {
+        return new RequestReviewFlowUseCase(repository);
+    }
+
+    @Provides
+    public LaunchReviewFlowUseCase provideLaunchReviewFlowUseCase(HelpRepository repository) {
+        return new LaunchReviewFlowUseCase(repository);
+    }
+}

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/about/AboutViewModel.java

@@ -1,29 +1,28 @@
 package com.d4rk.androidtutorials.java.ui.screens.about;
 
-import android.app.Application;
+import androidx.lifecycle.ViewModel;
 
-import androidx.annotation.NonNull;
-import androidx.lifecycle.AndroidViewModel;
+import dagger.hilt.android.lifecycle.HiltViewModel;
+import javax.inject.Inject;
 
-import com.d4rk.androidtutorials.java.ui.screens.about.repository.AboutRepository;
 import com.d4rk.androidtutorials.java.domain.about.GetVersionStringUseCase;
 import com.d4rk.androidtutorials.java.domain.about.GetCurrentYearUseCase;
 
 
 /**
  * ViewModel for the About screen. Delegates data/logic to AboutRepository.
  */
-public class AboutViewModel extends AndroidViewModel {
+@HiltViewModel
+public class AboutViewModel extends ViewModel {
 
-    private final AboutRepository repository;
     private final GetVersionStringUseCase getVersionStringUseCase;
     private final GetCurrentYearUseCase getCurrentYearUseCase;
 
-    public AboutViewModel(@NonNull Application application) {
-        super(application);
-        repository = new AboutRepository(application);
-        getVersionStringUseCase = new GetVersionStringUseCase(repository);
-        getCurrentYearUseCase = new GetCurrentYearUseCase(repository);
+    @Inject
+    public AboutViewModel(GetVersionStringUseCase getVersionStringUseCase,
+                          GetCurrentYearUseCase getCurrentYearUseCase) {
+        this.getVersionStringUseCase = getVersionStringUseCase;
+        this.getCurrentYearUseCase = getCurrentYearUseCase;
     }
 
     /**

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/help/HelpViewModel.java

@@ -2,30 +2,32 @@
 
 
 import android.app.Activity;
-import android.app.Application;
 
-import androidx.annotation.NonNull;
-import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.ViewModel;
 
-import com.d4rk.androidtutorials.java.ui.screens.help.repository.HelpRepository;
 import com.d4rk.androidtutorials.java.domain.help.RequestReviewFlowUseCase;
 import com.d4rk.androidtutorials.java.domain.help.LaunchReviewFlowUseCase;
 import com.google.android.play.core.review.ReviewInfo;
+import com.d4rk.androidtutorials.java.ui.screens.help.repository.HelpRepository;
+
+import dagger.hilt.android.lifecycle.HiltViewModel;
+import javax.inject.Inject;
 
 /**
  * ViewModel for the Help screen. Delegates to HelpRepository for
  * requesting or launching in-app reviews.
  */
-public class HelpViewModel extends AndroidViewModel {
+@HiltViewModel
+public class HelpViewModel extends ViewModel {
 
     private final RequestReviewFlowUseCase requestReviewFlowUseCase;
     private final LaunchReviewFlowUseCase launchReviewFlowUseCase;
 
-    public HelpViewModel(@NonNull Application application) {
-        super(application);
-        HelpRepository repository = new HelpRepository(application);
-        requestReviewFlowUseCase = new RequestReviewFlowUseCase(repository);
-        launchReviewFlowUseCase = new LaunchReviewFlowUseCase(repository);
+    @Inject
+    public HelpViewModel(RequestReviewFlowUseCase requestReviewFlowUseCase,
+                         LaunchReviewFlowUseCase launchReviewFlowUseCase) {
+        this.requestReviewFlowUseCase = requestReviewFlowUseCase;
+        this.launchReviewFlowUseCase = launchReviewFlowUseCase;
     }
 
     /**