Implementation of a new Dagger injection (#103)

app/src/main/java/io/github/wulkanowy/WulkanowyApp.java

@@ -1,7 +1,5 @@
 package io.github.wulkanowy;
 
-import android.app.Application;
-
 import com.crashlytics.android.Crashlytics;
 import com.crashlytics.android.answers.Answers;
 import com.crashlytics.android.core.CrashlyticsCore;
@@ -11,18 +9,16 @@ import org.greenrobot.greendao.query.QueryBuilder;
 
 import javax.inject.Inject;
 
+import dagger.android.AndroidInjector;
+import dagger.android.support.DaggerApplication;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.utils.Log;
 import io.fabric.sdk.android.Fabric;
 import io.github.wulkanowy.data.RepositoryContract;
-import io.github.wulkanowy.di.component.ApplicationComponent;
-import io.github.wulkanowy.di.component.DaggerApplicationComponent;
-import io.github.wulkanowy.di.modules.ApplicationModule;
+import io.github.wulkanowy.di.DaggerAppComponent;
 import io.github.wulkanowy.utils.LogUtils;
 
-public class WulkanowyApp extends Application {
-
-    protected ApplicationComponent applicationComponent;
+public class WulkanowyApp extends DaggerApplication {
 
     @Inject
     RepositoryContract repository;
@@ -32,12 +28,6 @@ public class WulkanowyApp extends Application {
         super.onCreate();
         AndroidThreeTen.init(this);
 
-        applicationComponent = DaggerApplicationComponent
-                .builder()
-                .applicationModule(new ApplicationModule(this))
-                .build();
-        applicationComponent.inject(this);
-
         if (BuildConfig.DEBUG) {
             enableDebugLog();
         }
@@ -72,7 +62,8 @@ public class WulkanowyApp extends Application {
                 .build());
     }
 
-    public ApplicationComponent getApplicationComponent() {
-        return applicationComponent;
+    @Override
+    protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
+        return DaggerAppComponent.builder().create(this);
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/DbHelper.java

@@ -12,6 +12,7 @@ import java.util.Comparator;
 import java.util.List;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 import javax.inject.Singleton;
 
 import io.github.wulkanowy.api.Vulcan;
@@ -21,8 +22,6 @@ import io.github.wulkanowy.data.db.dao.migrations.Migration26;
 import io.github.wulkanowy.data.db.dao.migrations.Migration27;
 import io.github.wulkanowy.data.db.dao.migrations.Migration28;
 import io.github.wulkanowy.data.db.shared.SharedPrefContract;
-import io.github.wulkanowy.di.annotations.ApplicationContext;
-import io.github.wulkanowy.di.annotations.DatabaseInfo;
 import io.github.wulkanowy.utils.LogUtils;
 
 @Singleton
@@ -33,7 +32,7 @@ public class DbHelper extends DaoMaster.OpenHelper {
     private final Vulcan vulcan;
 
     @Inject
-    DbHelper(@ApplicationContext Context context, @DatabaseInfo String dbName,
+    DbHelper(Context context, @Named("dbName") String dbName,
              SharedPrefContract sharedPref, Vulcan vulcan) {
         super(context, dbName);
         this.sharedPref = sharedPref;

app/src/main/java/io/github/wulkanowy/data/db/resources/ResourcesRepository.java

@@ -15,7 +15,6 @@ import javax.inject.Singleton;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.api.NotLoggedInErrorException;
 import io.github.wulkanowy.data.db.dao.entities.AttendanceLesson;
-import io.github.wulkanowy.di.annotations.ApplicationContext;
 import io.github.wulkanowy.utils.AppConstant;
 import io.github.wulkanowy.utils.LogUtils;
 import io.github.wulkanowy.utils.security.CryptoException;
@@ -26,7 +25,7 @@ public class ResourcesRepository implements ResourcesContract {
     private Resources resources;
 
     @Inject
-    ResourcesRepository(@ApplicationContext Context context) {
+    ResourcesRepository(Context context) {
         resources = context.getResources();
     }
 

app/src/main/java/io/github/wulkanowy/data/db/shared/SharedPrefRepository.java

@@ -6,10 +6,9 @@ import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 import javax.inject.Singleton;
 
-import io.github.wulkanowy.di.annotations.ApplicationContext;
-import io.github.wulkanowy.di.annotations.SharedPreferencesInfo;
 import io.github.wulkanowy.ui.main.settings.SettingsFragment;
 
 @Singleton
@@ -24,7 +23,7 @@ public class SharedPrefRepository implements SharedPrefContract {
     private final SharedPreferences settingsSharedPref;
 
     @Inject
-    SharedPrefRepository(@ApplicationContext Context context, @SharedPreferencesInfo String sharedName) {
+    SharedPrefRepository(Context context, @Named("sharedPrefName") String sharedName) {
         appSharedPref = context.getSharedPreferences(sharedName, Context.MODE_PRIVATE);
         settingsSharedPref = PreferenceManager.getDefaultSharedPreferences(context);
     }

app/src/main/java/io/github/wulkanowy/data/sync/AccountSync.java

@@ -23,7 +23,6 @@ import io.github.wulkanowy.data.db.dao.entities.StudentDao;
 import io.github.wulkanowy.data.db.dao.entities.Symbol;
 import io.github.wulkanowy.data.db.dao.entities.SymbolDao;
 import io.github.wulkanowy.data.db.shared.SharedPrefContract;
-import io.github.wulkanowy.di.annotations.ApplicationContext;
 import io.github.wulkanowy.utils.DataObjectConverter;
 import io.github.wulkanowy.utils.LogUtils;
 import io.github.wulkanowy.utils.security.CryptoException;
@@ -42,7 +41,7 @@ public class AccountSync {
 
     @Inject
     AccountSync(DaoSession daoSession, SharedPrefContract sharedPref,
-                Vulcan vulcan, @ApplicationContext Context context) {
+                Vulcan vulcan, Context context) {
         this.daoSession = daoSession;
         this.sharedPref = sharedPref;
         this.vulcan = vulcan;

app/src/main/java/io/github/wulkanowy/di/AppComponent.java

@@ -0,0 +1,20 @@
+package io.github.wulkanowy.di;
+
+import javax.inject.Singleton;
+
+import dagger.Component;
+import dagger.android.AndroidInjector;
+import dagger.android.support.AndroidSupportInjectionModule;
+import io.github.wulkanowy.WulkanowyApp;
+
+@Singleton
+@Component(modules = {
+        AndroidSupportInjectionModule.class,
+        AppModule.class,
+        BuilderModule.class
+})
+public interface AppComponent extends AndroidInjector<WulkanowyApp> {
+    @Component.Builder
+    abstract class Builder extends AndroidInjector.Builder<WulkanowyApp> {
+    }
+}

app/src/main/java/io/github/wulkanowy/di/AppModule.java

@@ -0,0 +1,78 @@
+package io.github.wulkanowy.di;
+
+import android.content.Context;
+
+import javax.inject.Named;
+import javax.inject.Singleton;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import io.github.wulkanowy.WulkanowyApp;
+import io.github.wulkanowy.api.Vulcan;
+import io.github.wulkanowy.data.Repository;
+import io.github.wulkanowy.data.RepositoryContract;
+import io.github.wulkanowy.data.db.dao.DbContract;
+import io.github.wulkanowy.data.db.dao.DbHelper;
+import io.github.wulkanowy.data.db.dao.DbRepository;
+import io.github.wulkanowy.data.db.dao.entities.DaoMaster;
+import io.github.wulkanowy.data.db.dao.entities.DaoSession;
+import io.github.wulkanowy.data.db.resources.ResourcesContract;
+import io.github.wulkanowy.data.db.resources.ResourcesRepository;
+import io.github.wulkanowy.data.db.shared.SharedPrefContract;
+import io.github.wulkanowy.data.db.shared.SharedPrefRepository;
+import io.github.wulkanowy.data.sync.SyncContract;
+import io.github.wulkanowy.data.sync.SyncRepository;
+import io.github.wulkanowy.utils.AppConstant;
+
+@Module
+public abstract class AppModule {
+
+    @Binds
+    abstract Context provideContext(WulkanowyApp app);
+
+    @Singleton
+    @Binds
+    abstract RepositoryContract provideRepository(Repository repository);
+
+    @Singleton
+    @Binds
+    abstract DbContract provideDatabse(DbRepository dbRepository);
+
+    @Singleton
+    @Binds
+    abstract SharedPrefContract provideSharedPref(SharedPrefRepository sharedPrefRepository);
+
+    @Singleton
+    @Binds
+    abstract SyncContract provideSync(SyncRepository syncRepository);
+
+    @Singleton
+    @Binds
+    abstract ResourcesContract provideResources(ResourcesRepository resourcesRepository);
+
+    @Singleton
+    @Provides
+    static DaoSession provideDaoSession(DbHelper dbHelper) {
+        return new DaoMaster(dbHelper.getWritableDb()).newSession();
+    }
+
+    @Singleton
+    @Provides
+    static Vulcan provideVulcan() {
+        return new Vulcan();
+    }
+
+    @Provides
+    @Named("dbName")
+    static String provideDbName() {
+        return AppConstant.DATABASE_NAME;
+    }
+
+    @Provides
+    @Named("sharedPrefName")
+    static String provideSharedPrefName() {
+        return AppConstant.SHARED_PREFERENCES_NAME;
+    }
+
+}

app/src/main/java/io/github/wulkanowy/di/BuilderModule.java

@@ -0,0 +1,39 @@
+package io.github.wulkanowy.di;
+
+import dagger.Module;
+import dagger.android.ContributesAndroidInjector;
+import io.github.wulkanowy.di.scopes.PerActivity;
+import io.github.wulkanowy.services.jobs.SyncJob;
+import io.github.wulkanowy.services.widgets.TimetableWidgetServices;
+import io.github.wulkanowy.ui.login.LoginActivity;
+import io.github.wulkanowy.ui.login.LoginModule;
+import io.github.wulkanowy.ui.main.MainActivity;
+import io.github.wulkanowy.ui.main.MainModule;
+import io.github.wulkanowy.ui.splash.SplashActivity;
+import io.github.wulkanowy.ui.splash.SplashModule;
+import io.github.wulkanowy.ui.widgets.TimetableWidgetProvider;
+
+@Module
+abstract class BuilderModule {
+
+    @PerActivity
+    @ContributesAndroidInjector(modules = SplashModule.class)
+    abstract SplashActivity bindSplashActivity();
+
+    @PerActivity
+    @ContributesAndroidInjector(modules = LoginModule.class)
+    abstract LoginActivity bindLoginActivity();
+
+    @PerActivity
+    @ContributesAndroidInjector(modules = MainModule.class)
+    abstract MainActivity bindMainActivity();
+
+    @ContributesAndroidInjector
+    abstract SyncJob bindSyncJob();
+
+    @ContributesAndroidInjector
+    abstract TimetableWidgetServices bindTimetableWidgetServices();
+
+    @ContributesAndroidInjector
+    abstract TimetableWidgetProvider bindTimetableWidgetProvider();
+}

app/src/main/java/io/github/wulkanowy/di/annotations/ActivityContext.java

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.di.annotations;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-import javax.inject.Qualifier;
-
-@Qualifier
-@Retention(RetentionPolicy.RUNTIME)
-public @interface ActivityContext {
-}

app/src/main/java/io/github/wulkanowy/di/annotations/ApplicationContext.java

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.di.annotations;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-import javax.inject.Qualifier;
-
-@Qualifier
-@Retention(RetentionPolicy.RUNTIME)
-public @interface ApplicationContext {
-}

app/src/main/java/io/github/wulkanowy/di/annotations/SharedPreferencesInfo.java

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.di.annotations;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-import javax.inject.Qualifier;
-
-@Qualifier
-@Retention(RetentionPolicy.RUNTIME)
-public @interface SharedPreferencesInfo {
-}

app/src/main/java/io/github/wulkanowy/di/component/ActivityComponent.java

@@ -1,19 +0,0 @@
-package io.github.wulkanowy.di.component;
-
-import dagger.Component;
-import io.github.wulkanowy.di.annotations.PerActivity;
-import io.github.wulkanowy.di.modules.ActivityModule;
-import io.github.wulkanowy.ui.login.LoginActivity;
-import io.github.wulkanowy.ui.main.MainActivity;
-import io.github.wulkanowy.ui.splash.SplashActivity;
-
-@PerActivity
-@Component(dependencies = ApplicationComponent.class, modules = ActivityModule.class)
-public interface ActivityComponent {
-
-    void inject(SplashActivity splashActivity);
-
-    void inject(LoginActivity loginActivity);
-
-    void inject(MainActivity mainActivity);
-}

app/src/main/java/io/github/wulkanowy/di/component/ApplicationComponent.java

@@ -1,32 +0,0 @@
-package io.github.wulkanowy.di.component;
-
-import android.content.Context;
-
-import javax.inject.Singleton;
-
-import dagger.Component;
-import io.github.wulkanowy.WulkanowyApp;
-import io.github.wulkanowy.data.RepositoryContract;
-import io.github.wulkanowy.di.annotations.ApplicationContext;
-import io.github.wulkanowy.di.modules.ApplicationModule;
-import io.github.wulkanowy.services.jobs.SyncJob;
-import io.github.wulkanowy.ui.widgets.TimetableWidgetFactory;
-import io.github.wulkanowy.ui.widgets.TimetableWidgetProvider;
-
-@Singleton
-@Component(modules = ApplicationModule.class)
-public interface ApplicationComponent {
-
-    @ApplicationContext
-    Context getContext();
-
-    RepositoryContract getRepository();
-
-    void inject(WulkanowyApp wulkanowyApp);
-
-    void inject(SyncJob syncJob);
-
-    void inject(TimetableWidgetFactory timetableWidgetFactory);
-
-    void inject(TimetableWidgetProvider timetableWidgetProvider);
-}

app/src/main/java/io/github/wulkanowy/di/component/FragmentComponent.java

@@ -1,31 +0,0 @@
-package io.github.wulkanowy.di.component;
-
-import dagger.Component;
-import io.github.wulkanowy.di.annotations.PerFragment;
-import io.github.wulkanowy.di.modules.FragmentModule;
-import io.github.wulkanowy.ui.main.attendance.AttendanceFragment;
-import io.github.wulkanowy.ui.main.attendance.AttendanceTabFragment;
-import io.github.wulkanowy.ui.main.exams.ExamsFragment;
-import io.github.wulkanowy.ui.main.exams.ExamsTabFragment;
-import io.github.wulkanowy.ui.main.grades.GradesFragment;
-import io.github.wulkanowy.ui.main.timetable.TimetableFragment;
-import io.github.wulkanowy.ui.main.timetable.TimetableTabFragment;
-
-@PerFragment
-@Component(dependencies = ApplicationComponent.class, modules = FragmentModule.class)
-public interface FragmentComponent {
-
-    void inject(GradesFragment gradesFragment);
-
-    void inject(AttendanceFragment attendanceFragment);
-
-    void inject(AttendanceTabFragment attendanceTabFragment);
-
-    void inject(ExamsFragment examsFragment);
-
-    void inject(ExamsTabFragment examsTabFragment);
-
-    void inject(TimetableFragment timetableFragment);
-
-    void inject(TimetableTabFragment timetableTabFragment);
-}

app/src/main/java/io/github/wulkanowy/di/modules/ActivityModule.java

@@ -1,64 +0,0 @@
-package io.github.wulkanowy.di.modules;
-
-
-import android.content.Context;
-import android.support.v7.app.AppCompatActivity;
-
-import dagger.Module;
-import dagger.Provides;
-import io.github.wulkanowy.di.annotations.ActivityContext;
-import io.github.wulkanowy.di.annotations.PerActivity;
-import io.github.wulkanowy.ui.base.BasePagerAdapter;
-import io.github.wulkanowy.ui.login.LoginContract;
-import io.github.wulkanowy.ui.login.LoginPresenter;
-import io.github.wulkanowy.ui.main.MainContract;
-import io.github.wulkanowy.ui.main.MainPresenter;
-import io.github.wulkanowy.ui.splash.SplashContract;
-import io.github.wulkanowy.ui.splash.SplashPresenter;
-
-@Module
-public class ActivityModule {
-
-    private AppCompatActivity activity;
-
-    public ActivityModule(AppCompatActivity activity) {
-        this.activity = activity;
-    }
-
-    @ActivityContext
-    @Provides
-    Context provideContext() {
-        return activity;
-    }
-
-    @Provides
-    AppCompatActivity provideActivity() {
-        return activity;
-    }
-
-    @PerActivity
-    @Provides
-    SplashContract.Presenter provideSplashPresenter
-            (SplashPresenter splashPresenter) {
-        return splashPresenter;
-    }
-
-    @PerActivity
-    @Provides
-    LoginContract.Presenter provideLoginPresenter
-            (LoginPresenter loginPresenter) {
-        return loginPresenter;
-    }
-
-    @PerActivity
-    @Provides
-    MainContract.Presenter provideMainPresenter
-            (MainPresenter mainPresenter) {
-        return mainPresenter;
-    }
-
-    @Provides
-    BasePagerAdapter provideMainPagerAdapter() {
-        return new BasePagerAdapter(activity.getSupportFragmentManager());
-    }
-}

app/src/main/java/io/github/wulkanowy/di/modules/ApplicationModule.java

@@ -1,111 +0,0 @@
-package io.github.wulkanowy.di.modules;
-
-import android.app.Application;
-import android.content.Context;
-
-import com.firebase.jobdispatcher.FirebaseJobDispatcher;
-import com.firebase.jobdispatcher.GooglePlayDriver;
-
-import javax.inject.Singleton;
-
-import dagger.Module;
-import dagger.Provides;
-import io.github.wulkanowy.api.Vulcan;
-import io.github.wulkanowy.data.Repository;
-import io.github.wulkanowy.data.RepositoryContract;
-import io.github.wulkanowy.data.db.dao.DbContract;
-import io.github.wulkanowy.data.db.dao.DbHelper;
-import io.github.wulkanowy.data.db.dao.DbRepository;
-import io.github.wulkanowy.data.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.data.db.dao.entities.DaoSession;
-import io.github.wulkanowy.data.db.resources.ResourcesContract;
-import io.github.wulkanowy.data.db.resources.ResourcesRepository;
-import io.github.wulkanowy.data.db.shared.SharedPrefContract;
-import io.github.wulkanowy.data.db.shared.SharedPrefRepository;
-import io.github.wulkanowy.data.sync.SyncContract;
-import io.github.wulkanowy.data.sync.SyncRepository;
-import io.github.wulkanowy.di.annotations.ApplicationContext;
-import io.github.wulkanowy.di.annotations.DatabaseInfo;
-import io.github.wulkanowy.di.annotations.SharedPreferencesInfo;
-import io.github.wulkanowy.utils.AppConstant;
-
-@Module
-public class ApplicationModule {
-
-    private final Application application;
-
-    public ApplicationModule(Application application) {
-        this.application = application;
-    }
-
-    @Provides
-    Application provideApplication() {
-        return application;
-    }
-
-    @ApplicationContext
-    @Provides
-    Context provideAppContext() {
-        return application;
-    }
-
-    @DatabaseInfo
-    @Provides
-    String provideDatabaseName() {
-        return AppConstant.DATABASE_NAME;
-    }
-
-    @SharedPreferencesInfo
-    @Provides
-    String provideSharedPreferencesName() {
-        return AppConstant.SHARED_PREFERENCES_NAME;
-    }
-
-    @Singleton
-    @Provides
-    DaoSession provideDaoSession(DbHelper dbHelper) {
-        return new DaoMaster(dbHelper.getWritableDb()).newSession();
-    }
-
-    @Singleton
-    @Provides
-    Vulcan provideVulcan() {
-        return new Vulcan();
-    }
-
-    @Singleton
-    @Provides
-    RepositoryContract provideRepository(Repository repository) {
-        return repository;
-    }
-
-    @Singleton
-    @Provides
-    SharedPrefContract provideSharedPref(SharedPrefRepository sharedPrefRepository) {
-        return sharedPrefRepository;
-    }
-
-    @Singleton
-    @Provides
-    ResourcesContract provideAppResources(ResourcesRepository resourcesRepository) {
-        return resourcesRepository;
-    }
-
-
-    @Singleton
-    @Provides
-    DbContract provideDatabase(DbRepository dbRepository) {
-        return dbRepository;
-    }
-
-    @Singleton
-    @Provides
-    SyncContract provideSync(SyncRepository syncRepository) {
-        return syncRepository;
-    }
-
-    @Provides
-    FirebaseJobDispatcher provideDispatcher() {
-        return new FirebaseJobDispatcher(new GooglePlayDriver(application));
-    }
-}

app/src/main/java/io/github/wulkanowy/di/modules/FragmentModule.java

@@ -1,103 +0,0 @@
-package io.github.wulkanowy.di.modules;
-
-import android.support.v4.app.Fragment;
-
-import dagger.Module;
-import dagger.Provides;
-import eu.davidea.flexibleadapter.FlexibleAdapter;
-import io.github.wulkanowy.di.annotations.PerFragment;
-import io.github.wulkanowy.ui.base.BasePagerAdapter;
-import io.github.wulkanowy.ui.main.attendance.AttendanceContract;
-import io.github.wulkanowy.ui.main.attendance.AttendanceHeaderItem;
-import io.github.wulkanowy.ui.main.attendance.AttendancePresenter;
-import io.github.wulkanowy.ui.main.attendance.AttendanceTabContract;
-import io.github.wulkanowy.ui.main.attendance.AttendanceTabPresenter;
-import io.github.wulkanowy.ui.main.exams.ExamsContract;
-import io.github.wulkanowy.ui.main.exams.ExamsPresenter;
-import io.github.wulkanowy.ui.main.exams.ExamsSubItem;
-import io.github.wulkanowy.ui.main.exams.ExamsTabContract;
-import io.github.wulkanowy.ui.main.exams.ExamsTabPresenter;
-import io.github.wulkanowy.ui.main.grades.GradeHeaderItem;
-import io.github.wulkanowy.ui.main.grades.GradesContract;
-import io.github.wulkanowy.ui.main.grades.GradesPresenter;
-import io.github.wulkanowy.ui.main.timetable.TimetableContract;
-import io.github.wulkanowy.ui.main.timetable.TimetableHeaderItem;
-import io.github.wulkanowy.ui.main.timetable.TimetablePresenter;
-import io.github.wulkanowy.ui.main.timetable.TimetableTabContract;
-import io.github.wulkanowy.ui.main.timetable.TimetableTabPresenter;
-
-@Module
-public class FragmentModule {
-
-    private final Fragment fragment;
-
-    public FragmentModule(Fragment fragment) {
-        this.fragment = fragment;
-    }
-
-    @PerFragment
-    @Provides
-    GradesContract.Presenter provideGradesPresenter(GradesPresenter gradesPresenter) {
-        return gradesPresenter;
-    }
-
-    @PerFragment
-    @Provides
-    AttendanceContract.Presenter provideAttendancePresenter(AttendancePresenter attendancePresenter) {
-        return attendancePresenter;
-    }
-
-    @PerFragment
-    @Provides
-    ExamsContract.Presenter provideDashboardPresenter(ExamsPresenter examsPresenter) {
-        return examsPresenter;
-    }
-
-    @PerFragment
-    @Provides
-    AttendanceTabContract.Presenter provideAttendanceTabPresenter(AttendanceTabPresenter timetableTabPresenter) {
-        return timetableTabPresenter;
-    }
-
-    @Provides
-    BasePagerAdapter provideBasePagerAdapter() {
-        return new BasePagerAdapter(fragment.getChildFragmentManager());
-    }
-
-    @Provides
-    FlexibleAdapter<AttendanceHeaderItem> provideAttendanceTabAdapter() {
-        return new FlexibleAdapter<>(null);
-    }
-
-    @Provides
-    FlexibleAdapter<TimetableHeaderItem> provideTimetableTabAdapter() {
-        return new FlexibleAdapter<>(null);
-    }
-
-    @Provides
-    FlexibleAdapter<GradeHeaderItem> provideGradesAdapter() {
-        return new FlexibleAdapter<>(null);
-    }
-
-    @Provides
-    FlexibleAdapter<ExamsSubItem> provideExamAdapter() {
-        return new FlexibleAdapter<>(null);
-    }
-
-    @PerFragment
-    @Provides
-    TimetableContract.Presenter provideTimetablePresenter(TimetablePresenter timetablePresenter) {
-        return timetablePresenter;
-    }
-
-    @PerFragment
-    @Provides
-    TimetableTabContract.Presenter provideTimetableTabPresenter(TimetableTabPresenter timetableTabPresenter) {
-        return timetableTabPresenter;
-    }
-
-    @Provides
-    ExamsTabContract.Presenter provideExamsTabPresenter(ExamsTabPresenter examsTabPresenter) {
-        return examsTabPresenter;
-    }
-}

app/src/main/java/io/github/wulkanowy/di/scopes/PerActivity.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.di.annotations;
+package io.github.wulkanowy.di.scopes;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

app/src/main/java/io/github/wulkanowy/di/scopes/PerChildFragment.java

@@ -1,11 +1,11 @@
-package io.github.wulkanowy.di.annotations;
+package io.github.wulkanowy.di.scopes;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
-import javax.inject.Qualifier;
+import javax.inject.Scope;
 
-@Qualifier
+@Scope
 @Retention(RetentionPolicy.RUNTIME)
-public @interface DatabaseInfo {
+public @interface PerChildFragment {
 }

app/src/main/java/io/github/wulkanowy/di/scopes/PerFragment.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.di.annotations;
+package io.github.wulkanowy.di.scopes;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

app/src/main/java/io/github/wulkanowy/services/jobs/SyncJob.java

@@ -20,8 +20,8 @@ import java.util.List;
 
 import javax.inject.Inject;
 
+import dagger.android.AndroidInjection;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.WulkanowyApp;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.data.db.dao.entities.Grade;
 import io.github.wulkanowy.data.sync.NotRegisteredUserException;
@@ -60,7 +60,7 @@ public class SyncJob extends SimpleJobService {
     @Override
     public void onCreate() {
         super.onCreate();
-        ((WulkanowyApp) getApplication()).getApplicationComponent().inject(this);
+        AndroidInjection.inject(this);
     }
 
     @Override

app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetServices.java

@@ -3,12 +3,20 @@ package io.github.wulkanowy.services.widgets;
 import android.content.Intent;
 import android.widget.RemoteViewsService;
 
+import javax.inject.Inject;
+
+import dagger.android.AndroidInjection;
+import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.widgets.TimetableWidgetFactory;
 
 public class TimetableWidgetServices extends RemoteViewsService {
 
+    @Inject
+    RepositoryContract repository;
+
     @Override
     public RemoteViewsFactory onGetViewFactory(Intent intent) {
-        return new TimetableWidgetFactory(getApplicationContext());
+        AndroidInjection.inject(this);
+        return new TimetableWidgetFactory(getApplicationContext(), repository);
     }
 }

app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.java

@@ -1,35 +1,51 @@
 package io.github.wulkanowy.ui.base;
 
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
+import android.support.design.widget.Snackbar;
 import android.support.v7.app.AppCompatDelegate;
-import android.widget.Toast;
+import android.view.View;
 
+import butterknife.ButterKnife;
 import butterknife.Unbinder;
+import dagger.android.support.DaggerAppCompatActivity;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.WulkanowyApp;
-import io.github.wulkanowy.di.component.ActivityComponent;
-import io.github.wulkanowy.di.component.DaggerActivityComponent;
-import io.github.wulkanowy.di.modules.ActivityModule;
 import io.github.wulkanowy.utils.NetworkUtils;
 
-public abstract class BaseActivity extends AppCompatActivity implements BaseContract.View {
-
-    private ActivityComponent activityComponent;
+public abstract class BaseActivity extends DaggerAppCompatActivity implements BaseContract.View {
 
     private Unbinder unbinder;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
+    }
 
-        activityComponent = DaggerActivityComponent.builder()
-                .activityModule(new ActivityModule(this))
-                .applicationComponent(((WulkanowyApp) getApplication()).getApplicationComponent())
-                .build();
+    protected void injectViews() {
+        unbinder = ButterKnife.bind(this);
+    }
+
+    @Override
+    public void showMessage(@NonNull String text) {
+        if (getMessageView() != null) {
+            Snackbar.make(getMessageView(), text, Snackbar.LENGTH_LONG).show();
+        }
+    }
+
+    @Override
+    public void showNoNetworkMessage() {
+        showMessage(getString(R.string.noInternet_text));
+    }
+
+    @Override
+    public boolean isNetworkConnected() {
+        return NetworkUtils.isOnline(getApplicationContext());
+    }
+
+    protected View getMessageView() {
+        return null;
     }
 
     @Override
@@ -39,32 +55,4 @@ public abstract class BaseActivity extends AppCompatActivity implements BaseCont
             unbinder.unbind();
         }
     }
-
-    @Override
-    public void onError(int resId) {
-        onError(getString(resId));
-    }
-
-    @Override
-    public void onError(String message) {
-        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
-    }
-
-    @Override
-    public void onNoNetworkError() {
-        onError(R.string.noInternet_text);
-    }
-
-    @Override
-    public boolean isNetworkConnected() {
-        return NetworkUtils.isOnline(getApplicationContext());
-    }
-
-    public ActivityComponent getActivityComponent() {
-        return activityComponent;
-    }
-
-    public void setButterKnife(Unbinder unbinder) {
-        this.unbinder = unbinder;
-    }
 }

app/src/main/java/io/github/wulkanowy/ui/base/BaseContract.java

@@ -1,27 +1,22 @@
 package io.github.wulkanowy.ui.base;
 
-import android.support.annotation.StringRes;
-
-import io.github.wulkanowy.di.annotations.PerActivity;
+import android.support.annotation.NonNull;
 
 public interface BaseContract {
 
     interface View {
 
-        void onError(@StringRes int resId);
+        void showMessage(@NonNull String text);
 
-        void onError(String message);
-
-        void onNoNetworkError();
+        void showNoNetworkMessage();
 
         boolean isNetworkConnected();
     }
 
-    @PerActivity
     interface Presenter<V extends View> {
 
-        void onStart(V view);
+        void attachView(@NonNull V view);
 
-        void onDestroy();
+        void detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.java

@@ -1,56 +1,20 @@
 package io.github.wulkanowy.ui.base;
 
-import android.content.Context;
-import android.os.Bundle;
 import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import android.support.annotation.StringRes;
 import android.view.View;
 
+import butterknife.ButterKnife;
 import butterknife.Unbinder;
-import io.github.wulkanowy.R;
-import io.github.wulkanowy.WulkanowyApp;
-import io.github.wulkanowy.di.component.DaggerFragmentComponent;
-import io.github.wulkanowy.di.component.FragmentComponent;
-import io.github.wulkanowy.di.modules.FragmentModule;
+import dagger.android.support.DaggerFragment;
+import io.github.wulkanowy.utils.NetworkUtils;
 
-public abstract class BaseFragment extends Fragment implements BaseContract.View {
-
-    private BaseActivity activity;
+public abstract class BaseFragment extends DaggerFragment implements BaseContract.View {
 
     private Unbinder unbinder;
 
-    private FragmentComponent fragmentComponent;
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        if (context instanceof BaseActivity) {
-            activity = (BaseActivity) context;
-        }
-
-        fragmentComponent = DaggerFragmentComponent.builder()
-                .fragmentModule(new FragmentModule(this))
-                .applicationComponent(((WulkanowyApp) activity.getApplication()).getApplicationComponent())
-                .build();
-    }
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setHasOptionsMenu(false);
-    }
-
-    @Override
-    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        setUpOnViewCreated(view);
-    }
-
-    @Override
-    public void onDetach() {
-        activity = null;
-        super.onDetach();
+    protected void injectViews(@NonNull View view) {
+        unbinder = ButterKnife.bind(this, view);
     }
 
     @Override
@@ -61,44 +25,32 @@ public abstract class BaseFragment extends Fragment implements BaseContract.View
         super.onDestroyView();
     }
 
-    @Override
-    public void onError(int resId) {
-        onError(getString(resId));
-    }
-
-    @Override
-    public void onError(String message) {
-        if (activity != null) {
-            activity.onError(message);
+    public void setTitle(String title) {
+        if (getActivity() != null) {
+            getActivity().setTitle(title);
         }
     }
 
     @Override
-    public void onNoNetworkError() {
-        onError(R.string.noInternet_text);
+    public void showMessage(@NonNull String text) {
+        if (getActivity() != null) {
+            ((BaseActivity) getActivity()).showMessage(text);
+        }
+    }
+
+    public void showMessage(@StringRes int stringId) {
+        showMessage(getString(stringId));
+    }
+
+    @Override
+    public void showNoNetworkMessage() {
+        if (getActivity() != null) {
+            ((BaseActivity) getActivity()).showNoNetworkMessage();
+        }
     }
 
     @Override
     public boolean isNetworkConnected() {
-        return activity != null && activity.isNetworkConnected();
-    }
-
-    public void setButterKnife(Unbinder unbinder) {
-        this.unbinder = unbinder;
-    }
-
-    public void setTitle(String title) {
-        if (activity != null) {
-            activity.setTitle(title);
-        }
-    }
-
-    public FragmentComponent getFragmentComponent() {
-        return fragmentComponent;
-    }
-
-
-    protected void setUpOnViewCreated(View fragmentView) {
-        // do something on view created
+        return NetworkUtils.isOnline(getContext());
     }
 }

app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.java

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.base;
 
+import android.support.annotation.NonNull;
+
 import javax.inject.Inject;
 
 import io.github.wulkanowy.data.RepositoryContract;
@@ -16,12 +18,12 @@ public class BasePresenter<V extends BaseContract.View> implements BaseContract.
     }
 
     @Override
-    public void onStart(V view) {
+    public void attachView(@NonNull V view) {
         this.view = view;
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         view = null;
     }
 

app/src/main/java/io/github/wulkanowy/ui/login/LoginActivity.java

@@ -5,7 +5,7 @@ import android.animation.AnimatorListenerAdapter;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.design.widget.Snackbar;
+import android.support.annotation.NonNull;
 import android.support.design.widget.TextInputLayout;
 import android.support.v7.app.ActionBar;
 import android.view.View;
@@ -18,7 +18,6 @@ import android.widget.TextView;
 import javax.inject.Inject;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import butterknife.OnClick;
 import butterknife.OnEditorAction;
 import io.github.wulkanowy.R;
@@ -64,14 +63,10 @@ public class LoginActivity extends BaseActivity implements LoginContract.View {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
+        injectViews();
 
-        setButterKnife(ButterKnife.bind(this));
-        getActivityComponent().inject(this);
-
-        presenter.onStart(this);
-
+        presenter.attachView(this);
         setUpOnCreate();
-
     }
 
     protected void setUpOnCreate() {
@@ -165,12 +160,6 @@ public class LoginActivity extends BaseActivity implements LoginContract.View {
         KeyboardUtils.hideSoftInput(this);
     }
 
-    @Override
-    public void onError(String message) {
-        Snackbar.make(findViewById(R.id.login_activity_container), message,
-                Snackbar.LENGTH_LONG).show();
-    }
-
     @Override
     public void setStepOneLoginProgress() {
         onLoginProgressUpdate("1", getString(R.string.step_login));
@@ -222,13 +211,19 @@ public class LoginActivity extends BaseActivity implements LoginContract.View {
         }
     }
 
+    @NonNull
     @Override
-    public void onDestroy() {
-        super.onDestroy();
-        presenter.onDestroy();
+    protected View getMessageView() {
+        return findViewById(R.id.login_activity_container);
     }
 
     private void onLoginProgressUpdate(String step, String message) {
         loginProgressText.setText(String.format("%1$s/2 - %2$s...", step, message));
     }
+
+    @Override
+    public void onDestroy() {
+        presenter.detachView();
+        super.onDestroy();
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/login/LoginContract.java

@@ -1,7 +1,5 @@
 package io.github.wulkanowy.ui.login;
 
-import io.github.wulkanowy.data.RepositoryContract;
-import io.github.wulkanowy.di.annotations.PerActivity;
 import io.github.wulkanowy.ui.base.BaseContract;
 
 public interface LoginContract {
@@ -37,7 +35,6 @@ public interface LoginContract {
 
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
 
         void attemptLogin(String email, String password, String symbol);
@@ -51,7 +48,5 @@ public interface LoginContract {
         void onEndAsync(boolean success, Exception exception);
 
         void onCanceledAsync();
-
-        RepositoryContract getRepository();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/login/LoginModule.java

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.ui.login;
+
+import dagger.Binds;
+import dagger.Module;
+import io.github.wulkanowy.di.scopes.PerActivity;
+
+@Module
+public abstract class LoginModule {
+
+    @PerActivity
+    @Binds
+    abstract LoginContract.Presenter provideLoginPresenter(LoginPresenter loginPresenter);
+}

app/src/main/java/io/github/wulkanowy/ui/login/LoginPresenter.java

@@ -47,7 +47,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
             loginAsync.execute();
 
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
         }
 
         getView().hideSoftInput();
@@ -96,7 +96,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
             getView().showSoftInput();
         } else {
             FabricUtils.logRegister(false, symbol);
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
 
         getView().showActionBar(true);
@@ -160,11 +160,11 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         if (loginAsync != null) {
             loginAsync.cancel(true);
             loginAsync = null;
         }
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/MainActivity.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v7.app.ActionBar;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
@@ -13,9 +14,9 @@ import com.aurelhubert.ahbottomnavigation.AHBottomNavigationItem;
 import com.aurelhubert.ahbottomnavigation.AHBottomNavigationViewPager;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.services.jobs.SyncJob;
 import io.github.wulkanowy.ui.base.BaseActivity;
@@ -40,6 +41,7 @@ public class MainActivity extends BaseActivity implements MainContract.View,
     @BindView(R.id.main_activity_progress_bar)
     View progressBar;
 
+    @Named("Main")
     @Inject
     BasePagerAdapter pagerAdapter;
 
@@ -55,11 +57,9 @@ public class MainActivity extends BaseActivity implements MainContract.View,
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
+        injectViews();
 
-        getActivityComponent().inject(this);
-        setButterKnife(ButterKnife.bind(this));
-
-        presenter.onStart(this, getIntent().getIntExtra(EXTRA_CARD_ID_KEY, -1));
+        presenter.attachView(this, getIntent().getIntExtra(EXTRA_CARD_ID_KEY, -1));
     }
 
     @Override
@@ -146,9 +146,15 @@ public class MainActivity extends BaseActivity implements MainContract.View,
         SyncJob.start(getApplicationContext(), interval, useOnlyWifi);
     }
 
+    @NonNull
+    @Override
+    protected View getMessageView() {
+        return findViewById(R.id.main_activity_view_pager);
+    }
+
     @Override
     protected void onDestroy() {
+        presenter.detachView();
         super.onDestroy();
-        presenter.onDestroy();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/MainContract.java

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.main;
 
-import io.github.wulkanowy.di.annotations.PerActivity;
+import android.support.annotation.NonNull;
+
 import io.github.wulkanowy.ui.base.BaseContract;
 
 public interface MainContract {
@@ -22,10 +23,9 @@ public interface MainContract {
         void startSyncService(int interval, boolean useOnlyWifi);
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
 
-        void onStart(View view, int tabPositionIntent);
+        void attachView(@NonNull View view, int initTabId);
 
         void onTabSelected(int position, boolean wasSelected);
 

app/src/main/java/io/github/wulkanowy/ui/main/MainModule.java

@@ -0,0 +1,50 @@
+package io.github.wulkanowy.ui.main;
+
+import javax.inject.Named;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import dagger.android.ContributesAndroidInjector;
+import io.github.wulkanowy.di.scopes.PerActivity;
+import io.github.wulkanowy.di.scopes.PerFragment;
+import io.github.wulkanowy.ui.base.BasePagerAdapter;
+import io.github.wulkanowy.ui.main.attendance.AttendanceFragment;
+import io.github.wulkanowy.ui.main.attendance.AttendanceModule;
+import io.github.wulkanowy.ui.main.exams.ExamsFragment;
+import io.github.wulkanowy.ui.main.exams.ExamsModule;
+import io.github.wulkanowy.ui.main.grades.GradesFragment;
+import io.github.wulkanowy.ui.main.grades.GradesModule;
+import io.github.wulkanowy.ui.main.timetable.TimetableFragment;
+import io.github.wulkanowy.ui.main.timetable.TimetableModule;
+
+@Module
+public abstract class MainModule {
+
+    @PerActivity
+    @Binds
+    abstract MainContract.Presenter provideMainPresenter(MainPresenter mainPresenter);
+
+    @Named("Main")
+    @PerActivity
+    @Provides
+    static BasePagerAdapter provideAdapter(MainActivity activity) {
+        return new BasePagerAdapter(activity.getSupportFragmentManager());
+    }
+
+    @PerFragment
+    @ContributesAndroidInjector(modules = GradesModule.class)
+    abstract GradesFragment bindsGradesFragment();
+
+    @PerFragment
+    @ContributesAndroidInjector(modules = TimetableModule.class)
+    abstract TimetableFragment bindTimetableFragment();
+
+    @PerFragment
+    @ContributesAndroidInjector(modules = ExamsModule.class)
+    abstract ExamsFragment bindExamsFragment();
+
+    @PerFragment
+    @ContributesAndroidInjector(modules = AttendanceModule.class)
+    abstract AttendanceFragment bindAttendanceFramgnet();
+}

app/src/main/java/io/github/wulkanowy/ui/main/MainPresenter.java

@@ -1,6 +1,8 @@
 package io.github.wulkanowy.ui.main;
 
 
+import android.support.annotation.NonNull;
+
 import javax.inject.Inject;
 
 import io.github.wulkanowy.data.RepositoryContract;
@@ -17,15 +19,15 @@ public class MainPresenter extends BasePresenter<MainContract.View>
     }
 
     @Override
-    public void onStart(MainContract.View view, int tabPositionIntent) {
-        super.onStart(view);
+    public void attachView(@NonNull MainContract.View view, int initTabId) {
+        super.attachView(view);
         getView().showProgressBar(true);
         getView().hideActionBar();
 
         int tabPosition;
 
-        if (tabPositionIntent != -1) {
-            tabPosition = tabPositionIntent;
+        if (initTabId != -1) {
+            tabPosition = initTabId;
         } else {
             tabPosition = getRepository().getSharedRepo().getStartupTab();
         }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendanceContract.java

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.main.attendance;
 
-import io.github.wulkanowy.di.annotations.PerActivity;
+import android.support.annotation.NonNull;
+
 import io.github.wulkanowy.ui.base.BaseContract;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
 
@@ -21,12 +22,11 @@ public interface AttendanceContract {
         void setThemeForTab(int position);
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
 
         void onFragmentActivated(boolean isVisible);
 
-        void onStart(View view, OnFragmentIsReadyListener listener);
+        void attachView(@NonNull View view, OnFragmentIsReadyListener listener);
 
         void setRestoredPosition(int position);
     }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendanceFragment.java

@@ -3,7 +3,6 @@ package io.github.wulkanowy.ui.main.attendance;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
 import android.support.design.widget.TabLayout;
 import android.support.v4.view.ViewPager;
 import android.view.LayoutInflater;
@@ -11,14 +10,14 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 import io.github.wulkanowy.ui.base.BasePagerAdapter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
+import io.github.wulkanowy.ui.main.attendance.tab.AttendanceTabFragment;
 
 public class AttendanceFragment extends BaseFragment implements AttendanceContract.View {
 
@@ -31,6 +30,7 @@ public class AttendanceFragment extends BaseFragment implements AttendanceContra
     TabLayout tabLayout;
 
     @Inject
+    @Named("Attendance")
     BasePagerAdapter pagerAdapter;
 
     @Inject
@@ -41,18 +41,13 @@ public class AttendanceFragment extends BaseFragment implements AttendanceContra
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
                              @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_attendance, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
 
-            if (savedInstanceState != null) {
-                presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
-            }
+        if (savedInstanceState != null) {
+            presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
         }
-
         return view;
     }
 
@@ -93,14 +88,6 @@ public class AttendanceFragment extends BaseFragment implements AttendanceContra
         setTitle(getString(R.string.attendance_text));
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
-
     @Override
     public void onSaveInstanceState(Bundle outState) {
         outState.putInt(CURRENT_ITEM_KEY, viewPager.getCurrentItem());
@@ -109,7 +96,7 @@ public class AttendanceFragment extends BaseFragment implements AttendanceContra
 
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendanceModule.java

@@ -0,0 +1,32 @@
+package io.github.wulkanowy.ui.main.attendance;
+
+import javax.inject.Named;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import dagger.android.ContributesAndroidInjector;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+import io.github.wulkanowy.di.scopes.PerFragment;
+import io.github.wulkanowy.ui.base.BasePagerAdapter;
+import io.github.wulkanowy.ui.main.attendance.tab.AttendanceTabFragment;
+import io.github.wulkanowy.ui.main.attendance.tab.AttendanceTabModule;
+
+@Module
+public abstract class AttendanceModule {
+
+    @PerFragment
+    @Binds
+    abstract AttendanceContract.Presenter provideAttendancePresenter(AttendancePresenter attendancePresenter);
+
+    @PerFragment
+    @Named("Attendance")
+    @Provides
+    static BasePagerAdapter providePagerAdapter(AttendanceFragment fragment) {
+        return new BasePagerAdapter(fragment.getChildFragmentManager());
+    }
+
+    @PerChildFragment
+    @ContributesAndroidInjector(modules = AttendanceTabModule.class)
+    abstract AttendanceTabFragment bindAttendanceTabFragment();
+}

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendancePresenter.java

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.main.attendance;
 
+import android.support.annotation.NonNull;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -31,8 +33,8 @@ public class AttendancePresenter extends BasePresenter<AttendanceContract.View>
     }
 
     @Override
-    public void onStart(AttendanceContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+    public void attachView(@NonNull AttendanceContract.View view, OnFragmentIsReadyListener listener) {
+        super.attachView(view);
         this.listener = listener;
 
         if (getView().isMenuVisible()) {
@@ -64,7 +66,7 @@ public class AttendancePresenter extends BasePresenter<AttendanceContract.View>
     }
 
     @Override
-    public void onDoInBackgroundLoading() throws Exception {
+    public void onDoInBackgroundLoading() {
         for (String date : dates) {
             getView().setTabDataToAdapter(date);
         }
@@ -92,14 +94,13 @@ public class AttendancePresenter extends BasePresenter<AttendanceContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
 
         if (loadingTask != null) {
             loadingTask.cancel(true);
             loadingTask = null;
         }
-
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceHeaderItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.attendance;
+package io.github.wulkanowy.ui.main.attendance.tab;
 
 import android.content.Context;
 import android.content.res.TypedArray;

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceSubItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.attendance;
+package io.github.wulkanowy.ui.main.attendance.tab;
 
 import android.content.Context;
 import android.support.v4.app.DialogFragment;
@@ -20,6 +20,7 @@ import eu.davidea.flexibleadapter.items.IFlexible;
 import eu.davidea.viewholders.FlexibleViewHolder;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.db.dao.entities.AttendanceLesson;
+import io.github.wulkanowy.ui.main.attendance.AttendanceDialogFragment;
 
 class AttendanceSubItem
         extends AbstractSectionableItem<AttendanceSubItem.SubItemViewHolder, AttendanceHeaderItem> {

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceTabContract.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.attendance;
+package io.github.wulkanowy.ui.main.attendance.tab;
 
 import java.util.List;
 

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceTabFragment.java

@@ -1,9 +1,8 @@
-package io.github.wulkanowy.ui.main.attendance;
+package io.github.wulkanowy.ui.main.attendance.tab;
 
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -15,11 +14,9 @@ import java.util.List;
 import javax.inject.Inject;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 
 public class AttendanceTabFragment extends BaseFragment implements AttendanceTabContract.View,
@@ -61,34 +58,28 @@ public class AttendanceTabFragment extends BaseFragment implements AttendanceTab
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_attendance_tab, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-
-            if (getArguments() != null) {
-                presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
-            }
-
-            presenter.onStart(this);
-            presenter.onFragmentActivated(isFragmentVisible);
+        if (getArguments() != null) {
+            presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
         }
+
+        presenter.attachView(this);
+        presenter.onFragmentActivated(isFragmentVisible);
         return view;
     }
 
     @Override
-    protected void setUpOnViewCreated(View fragmentView) {
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         adapter.setAutoCollapseOnExpand(true);
         adapter.setAutoScrollOnExpand(true);
         adapter.expandItemsAtStartUp();
 
-        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(fragmentView.getContext()));
+        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(view.getContext()));
         recyclerView.setAdapter(adapter);
 
         refreshLayout.setColorSchemeResources(android.R.color.black);
         refreshLayout.setOnRefreshListener(this);
-
     }
 
     @Override
@@ -112,7 +103,7 @@ public class AttendanceTabFragment extends BaseFragment implements AttendanceTab
 
     @Override
     public void onRefreshSuccess() {
-        onError(R.string.sync_completed);
+        showMessage(R.string.sync_completed);
     }
 
     @Override
@@ -130,17 +121,9 @@ public class AttendanceTabFragment extends BaseFragment implements AttendanceTab
         noItemView.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
-
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceTabModule.java

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.ui.main.attendance.tab;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import eu.davidea.flexibleadapter.FlexibleAdapter;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+
+@Module
+public abstract class AttendanceTabModule {
+
+    @PerChildFragment
+    @Binds
+    abstract AttendanceTabContract.Presenter provideAttendanceTabPresenter(AttendanceTabPresenter attendanceTabPresenter);
+
+    @PerChildFragment
+    @Provides
+    static FlexibleAdapter<AttendanceHeaderItem> provideAdapter() {
+        return new FlexibleAdapter<>(null);
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/attendance/tab/AttendanceTabPresenter.java

@@ -1,4 +1,6 @@
-package io.github.wulkanowy.ui.main.attendance;
+package io.github.wulkanowy.ui.main.attendance.tab;
+
+import android.support.annotation.NonNull;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -34,8 +36,9 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
     }
 
     @Override
-    public void onStart(AttendanceTabContract.View view) {
-        super.onStart(view);
+    public void attachView(@NonNull AttendanceTabContract.View view) {
+        super.attachView(view);
+
         getView().showProgressBar(true);
         getView().showNoItem(false);
     }
@@ -60,7 +63,7 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -86,7 +89,7 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
 
@@ -183,9 +186,9 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         cancelAsyncTasks();
         isFirstSight = false;
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsContract.java

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.main.exams;
 
-import io.github.wulkanowy.di.annotations.PerActivity;
+import android.support.annotation.NonNull;
+
 import io.github.wulkanowy.ui.base.BaseContract;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
 
@@ -21,10 +22,9 @@ public interface ExamsContract {
         void setThemeForTab(int position);
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
 
-        void onStart(View view, OnFragmentIsReadyListener listener);
+        void attachView(@NonNull View view, OnFragmentIsReadyListener listener);
 
         void onFragmentActivated(boolean isVisible);
 

app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsFragment.java

@@ -10,14 +10,15 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 import io.github.wulkanowy.ui.base.BasePagerAdapter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
+import io.github.wulkanowy.ui.main.exams.tab.ExamsTabFragment;
 
 public class ExamsFragment extends BaseFragment implements ExamsContract.View {
 
@@ -30,6 +31,7 @@ public class ExamsFragment extends BaseFragment implements ExamsContract.View {
     TabLayout tabLayout;
 
     @Inject
+    @Named("Exams")
     BasePagerAdapter pagerAdapter;
 
     @Inject
@@ -39,16 +41,12 @@ public class ExamsFragment extends BaseFragment implements ExamsContract.View {
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_exams, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
 
-            if (savedInstanceState != null) {
-                presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
-            }
+        if (savedInstanceState != null) {
+            presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
         }
         return view;
     }
@@ -61,14 +59,6 @@ public class ExamsFragment extends BaseFragment implements ExamsContract.View {
         }
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
-
     @Override
     public void setActivityTitle() {
         setTitle(getString(R.string.exams_text));
@@ -107,6 +97,6 @@ public class ExamsFragment extends BaseFragment implements ExamsContract.View {
     @Override
     public void onDestroyView() {
         super.onDestroyView();
-        presenter.onDestroy();
+        presenter.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsModule.java

@@ -0,0 +1,32 @@
+package io.github.wulkanowy.ui.main.exams;
+
+import javax.inject.Named;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import dagger.android.ContributesAndroidInjector;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+import io.github.wulkanowy.di.scopes.PerFragment;
+import io.github.wulkanowy.ui.base.BasePagerAdapter;
+import io.github.wulkanowy.ui.main.exams.tab.ExamsTabFragment;
+import io.github.wulkanowy.ui.main.exams.tab.ExamsTabModule;
+
+@Module
+public abstract class ExamsModule {
+
+    @PerFragment
+    @Binds
+    abstract ExamsContract.Presenter provideExamsPresneter(ExamsPresenter examsPresenter);
+
+    @Named("Exams")
+    @PerFragment
+    @Provides
+    static BasePagerAdapter providePagerAdapter(ExamsFragment fragment) {
+        return new BasePagerAdapter(fragment.getChildFragmentManager());
+    }
+
+    @PerChildFragment
+    @ContributesAndroidInjector(modules = ExamsTabModule.class)
+    abstract ExamsTabFragment bindExamsTabFragment();
+}

app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsPresenter.java

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.main.exams;
 
+import android.support.annotation.NonNull;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -31,8 +33,8 @@ public class ExamsPresenter extends BasePresenter<ExamsContract.View>
     }
 
     @Override
-    public void onStart(ExamsContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+    public void attachView(@NonNull ExamsContract.View view, OnFragmentIsReadyListener listener) {
+        super.attachView(view);
         this.listener = listener;
 
         if (getView().isMenuVisible()) {
@@ -69,7 +71,7 @@ public class ExamsPresenter extends BasePresenter<ExamsContract.View>
     }
 
     @Override
-    public void onDoInBackgroundLoading() throws Exception {
+    public void onDoInBackgroundLoading() {
         for (String date : dates) {
             getView().setTabDataToAdapter(date);
         }
@@ -91,13 +93,13 @@ public class ExamsPresenter extends BasePresenter<ExamsContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
 
         if (loadingTask != null) {
             loadingTask.cancel(true);
             loadingTask = null;
         }
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsHeaderItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.exams;
+package io.github.wulkanowy.ui.main.exams.tab;
 
 import android.view.View;
 import android.widget.TextView;
@@ -22,7 +22,7 @@ public class ExamsHeaderItem extends AbstractHeaderItem<ExamsHeaderItem.HeaderVi
 
     private Day day;
 
-    public ExamsHeaderItem(Day day) {
+    ExamsHeaderItem(Day day) {
         this.day = day;
     }
 

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsSubItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.exams;
+package io.github.wulkanowy.ui.main.exams.tab;
 
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentActivity;
@@ -18,6 +18,7 @@ import eu.davidea.flexibleadapter.items.IFlexible;
 import eu.davidea.viewholders.FlexibleViewHolder;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.db.dao.entities.Exam;
+import io.github.wulkanowy.ui.main.exams.ExamsDialogFragment;
 
 public class ExamsSubItem
         extends AbstractSectionableItem<ExamsSubItem.SubItemViewHolder, ExamsHeaderItem> {

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsTabContract.java

@@ -1,8 +1,7 @@
-package io.github.wulkanowy.ui.main.exams;
+package io.github.wulkanowy.ui.main.exams.tab;
 
 import java.util.List;
 
-import io.github.wulkanowy.di.annotations.PerFragment;
 import io.github.wulkanowy.ui.base.BaseContract;
 
 public interface ExamsTabContract {
@@ -20,7 +19,6 @@ public interface ExamsTabContract {
         void updateAdapterList(List<ExamsSubItem> headerItems);
     }
 
-    @PerFragment
     interface Presenter extends BaseContract.Presenter<View> {
 
         void onFragmentActivated(boolean isSelected);

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsTabFragment.java

@@ -1,8 +1,7 @@
-package io.github.wulkanowy.ui.main.exams;
+package io.github.wulkanowy.ui.main.exams.tab;
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -14,11 +13,9 @@ import java.util.List;
 import javax.inject.Inject;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 
 public class ExamsTabFragment extends BaseFragment implements ExamsTabContract.View,
@@ -60,26 +57,21 @@ public class ExamsTabFragment extends BaseFragment implements ExamsTabContract.V
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_exams_tab, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-
-            if (getArguments() != null) {
-                presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
-            }
-            presenter.onStart(this);
-            presenter.onFragmentActivated(isFragmentVisible);
+        if (getArguments() != null) {
+            presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
         }
+        presenter.attachView(this);
+        presenter.onFragmentActivated(isFragmentVisible);
         return view;
     }
 
     @Override
-    protected void setUpOnViewCreated(View fragmentView) {
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         adapter.setDisplayHeadersAtStartUp(true);
 
-        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(fragmentView.getContext()));
+        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(view.getContext()));
         recyclerView.setAdapter(adapter);
 
         refreshLayout.setColorSchemeResources(android.R.color.black);
@@ -107,7 +99,7 @@ public class ExamsTabFragment extends BaseFragment implements ExamsTabContract.V
 
     @Override
     public void onRefreshSuccess() {
-        onError(R.string.sync_completed);
+        showMessage(R.string.sync_completed);
     }
 
     @Override
@@ -125,17 +117,10 @@ public class ExamsTabFragment extends BaseFragment implements ExamsTabContract.V
         progressBar.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
 
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsTabModule.java

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.ui.main.exams.tab;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import eu.davidea.flexibleadapter.FlexibleAdapter;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+
+@Module
+public abstract class ExamsTabModule {
+
+    @PerChildFragment
+    @Binds
+    abstract ExamsTabContract.Presenter provideExamsTabPresenter(ExamsTabPresenter examsTabPresenter);
+
+    @PerChildFragment
+    @Provides
+    static FlexibleAdapter<ExamsSubItem> provideAdapter() {
+        return new FlexibleAdapter<>(null);
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/exams/tab/ExamsTabPresenter.java

@@ -1,4 +1,6 @@
-package io.github.wulkanowy.ui.main.exams;
+package io.github.wulkanowy.ui.main.exams.tab;
+
+import android.support.annotation.NonNull;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -29,13 +31,13 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
     private boolean isFirstSight = false;
 
     @Inject
-    public ExamsTabPresenter(RepositoryContract repository) {
+    ExamsTabPresenter(RepositoryContract repository) {
         super(repository);
     }
 
     @Override
-    public void onStart(ExamsTabContract.View view) {
-        super.onStart(view);
+    public void attachView(@NonNull ExamsTabContract.View view) {
+        super.attachView(view);
         getView().showProgressBar(true);
         getView().showNoItem(false);
     }
@@ -65,7 +67,7 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -91,7 +93,7 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
 
@@ -157,9 +159,9 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
         cancelAsyncTasks();
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesContract.java

@@ -1,10 +1,10 @@
 package io.github.wulkanowy.ui.main.grades;
 
+import android.support.annotation.NonNull;
 import android.support.v4.widget.SwipeRefreshLayout;
 
 import java.util.List;
 
-import io.github.wulkanowy.di.annotations.PerActivity;
 import io.github.wulkanowy.ui.base.BaseContract;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
 
@@ -30,14 +30,13 @@ public interface GradesContract {
 
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
 
         void onFragmentVisible(boolean isVisible);
 
         void onRefresh();
 
-        void onStart(View view, OnFragmentIsReadyListener listener);
+        void attachView(@NonNull View view, OnFragmentIsReadyListener listener);
 
         void onSemesterChange(int which);
 

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesFragment.java

@@ -4,7 +4,6 @@ import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.RecyclerView;
@@ -20,11 +19,9 @@ import java.util.List;
 import javax.inject.Inject;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
 
@@ -55,14 +52,9 @@ public class GradesFragment extends BaseFragment implements GradesContract.View
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_grades, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
-        }
-
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
         return view;
     }
 
@@ -102,14 +94,14 @@ public class GradesFragment extends BaseFragment implements GradesContract.View
     }
 
     @Override
-    protected void setUpOnViewCreated(View fragmentView) {
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         noItemView.setVisibility(View.GONE);
 
         adapter.setAutoCollapseOnExpand(true);
         adapter.setAutoScrollOnExpand(true);
         adapter.expandItemsAtStartUp();
 
-        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(fragmentView.getContext()));
+        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(view.getContext()));
         recyclerView.setAdapter(adapter);
 
         refreshLayout.setColorSchemeResources(android.R.color.black);
@@ -155,25 +147,17 @@ public class GradesFragment extends BaseFragment implements GradesContract.View
 
     @Override
     public void onRefreshSuccessNoGrade() {
-        onError(R.string.snackbar_no_grades);
+        showMessage(R.string.snackbar_no_grades);
     }
 
     @Override
     public void onRefreshSuccess(int number) {
-        onError(getString(R.string.snackbar_new_grade, number));
-    }
-
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
+        showMessage(getString(R.string.snackbar_new_grade, number));
     }
 
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesModule.java

@@ -0,0 +1,18 @@
+package io.github.wulkanowy.ui.main.grades;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import eu.davidea.flexibleadapter.FlexibleAdapter;
+
+@Module
+public abstract class GradesModule {
+
+    @Binds
+    abstract GradesContract.Presenter provideGradesPresenter(GradesPresenter gradesPresenter);
+
+    @Provides
+    static FlexibleAdapter<GradeHeaderItem> provideGradesAdapter() {
+        return new FlexibleAdapter<>(null);
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesPresenter.java

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.main.grades;
 
+import android.support.annotation.NonNull;
+
 import com.crashlytics.android.answers.Answers;
 import com.crashlytics.android.answers.CustomEvent;
 
@@ -41,8 +43,8 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
     }
 
     @Override
-    public void onStart(GradesContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+    public void attachView(@NonNull GradesContract.View view, OnFragmentIsReadyListener listener) {
+        super.attachView(view);
         this.listener = listener;
 
         if (getView().isMenuVisible()) {
@@ -94,7 +96,7 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -125,7 +127,7 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
                 getView().onRefreshSuccess(numberOfNewGrades);
             }
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
 
@@ -183,9 +185,9 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
         cancelAsyncTasks();
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetableContract.java

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.main.timetable;
 
-import io.github.wulkanowy.di.annotations.PerFragment;
+import android.support.annotation.NonNull;
+
 import io.github.wulkanowy.ui.base.BaseContract;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
 
@@ -21,12 +22,11 @@ public interface TimetableContract {
         void setThemeForTab(int position);
     }
 
-    @PerFragment
     interface Presenter extends BaseContract.Presenter<View> {
 
         void onFragmentActivated(boolean isVisible);
 
-        void onStart(View view, OnFragmentIsReadyListener listener);
+        void attachView(@NonNull View view, OnFragmentIsReadyListener listener);
 
         void setRestoredPosition(int position);
     }

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetableFragment.java

@@ -11,14 +11,14 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 import io.github.wulkanowy.ui.base.BasePagerAdapter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
+import io.github.wulkanowy.ui.main.timetable.tab.TimetableTabFragment;
 
 public class TimetableFragment extends BaseFragment implements TimetableContract.View {
 
@@ -30,6 +30,7 @@ public class TimetableFragment extends BaseFragment implements TimetableContract
     @BindView(R.id.timetable_fragment_tab_layout)
     TabLayout tabLayout;
 
+    @Named("Timetable")
     @Inject
     BasePagerAdapter pagerAdapter;
 
@@ -40,16 +41,12 @@ public class TimetableFragment extends BaseFragment implements TimetableContract
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_timetable, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
 
-            if (savedInstanceState != null) {
-                presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
-            }
+        if (savedInstanceState != null) {
+            presenter.setRestoredPosition(savedInstanceState.getInt(CURRENT_ITEM_KEY));
         }
         return view;
     }
@@ -91,14 +88,6 @@ public class TimetableFragment extends BaseFragment implements TimetableContract
         setTitle(getString(R.string.timetable_text));
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
-
     @Override
     public void onSaveInstanceState(Bundle outState) {
         outState.putInt(CURRENT_ITEM_KEY, viewPager.getCurrentItem());
@@ -107,7 +96,7 @@ public class TimetableFragment extends BaseFragment implements TimetableContract
 
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetableModule.java

@@ -0,0 +1,32 @@
+package io.github.wulkanowy.ui.main.timetable;
+
+import javax.inject.Named;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import dagger.android.ContributesAndroidInjector;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+import io.github.wulkanowy.di.scopes.PerFragment;
+import io.github.wulkanowy.ui.base.BasePagerAdapter;
+import io.github.wulkanowy.ui.main.timetable.tab.TimetableTabFragment;
+import io.github.wulkanowy.ui.main.timetable.tab.TimetableTabModule;
+
+@Module
+public abstract class TimetableModule {
+
+    @Named("Timetable")
+    @PerFragment
+    @Provides
+    static BasePagerAdapter providePagerAdapter(TimetableFragment fragment) {
+        return new BasePagerAdapter(fragment.getChildFragmentManager());
+    }
+
+    @PerFragment
+    @Binds
+    abstract TimetableContract.Presenter provideTimetablePresenter(TimetablePresenter timetablePresenter);
+
+    @PerChildFragment
+    @ContributesAndroidInjector(modules = TimetableTabModule.class)
+    abstract TimetableTabFragment bindTimetableTabFragment();
+}

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetablePresenter.java

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.main.timetable;
 
+import android.support.annotation.NonNull;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -31,8 +33,8 @@ public class TimetablePresenter extends BasePresenter<TimetableContract.View>
     }
 
     @Override
-    public void onStart(TimetableContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+    public void attachView(@NonNull TimetableContract.View view, OnFragmentIsReadyListener listener) {
+        super.attachView(view);
         this.listener = listener;
 
         if (getView().isMenuVisible()) {
@@ -64,7 +66,7 @@ public class TimetablePresenter extends BasePresenter<TimetableContract.View>
     }
 
     @Override
-    public void onDoInBackgroundLoading() throws Exception {
+    public void onDoInBackgroundLoading() {
         for (String date : dates) {
             getView().setTabDataToAdapter(date);
         }
@@ -91,13 +93,13 @@ public class TimetablePresenter extends BasePresenter<TimetableContract.View>
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
 
         if (loadingTask != null) {
             loadingTask.cancel(true);
             loadingTask = null;
         }
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableHeaderItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.timetable;
+package io.github.wulkanowy.ui.main.timetable.tab;
 
 import android.content.Context;
 import android.content.res.TypedArray;

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableSubItem.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.timetable;
+package io.github.wulkanowy.ui.main.timetable.tab;
 
 import android.content.Context;
 import android.graphics.Paint;
@@ -21,6 +21,7 @@ import eu.davidea.flexibleadapter.items.IFlexible;
 import eu.davidea.viewholders.FlexibleViewHolder;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.db.dao.entities.TimetableLesson;
+import io.github.wulkanowy.ui.main.timetable.TimetableDialogFragment;
 
 
 public class TimetableSubItem

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableTabContract.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.timetable;
+package io.github.wulkanowy.ui.main.timetable.tab;
 
 import java.util.List;
 

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableTabFragment.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.ui.main.timetable;
+package io.github.wulkanowy.ui.main.timetable.tab;
 
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -16,11 +16,9 @@ import java.util.List;
 import javax.inject.Inject;
 
 import butterknife.BindView;
-import butterknife.ButterKnife;
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.di.component.FragmentComponent;
 import io.github.wulkanowy.ui.base.BaseFragment;
 
 public class TimetableTabFragment extends BaseFragment implements TimetableTabContract.View,
@@ -65,33 +63,27 @@ public class TimetableTabFragment extends BaseFragment implements TimetableTabCo
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_timetable_tab, container, false);
+        injectViews(view);
 
-        FragmentComponent component = getFragmentComponent();
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-
-            if (getArguments() != null) {
-                presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
-            }
-            presenter.onStart(this);
-            presenter.onFragmentActivated(isFragmentVisible);
+        if (getArguments() != null) {
+            presenter.setArgumentDate(getArguments().getString(ARGUMENT_KEY));
         }
+        presenter.attachView(this);
+        presenter.onFragmentActivated(isFragmentVisible);
         return view;
     }
 
     @Override
-    protected void setUpOnViewCreated(View fragmentView) {
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         adapter.setAutoCollapseOnExpand(true);
         adapter.setAutoScrollOnExpand(true);
         adapter.expandItemsAtStartUp();
 
-        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(fragmentView.getContext()));
+        recyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(view.getContext()));
         recyclerView.setAdapter(adapter);
 
         refreshLayout.setColorSchemeResources(android.R.color.black);
         refreshLayout.setOnRefreshListener(this);
-
     }
 
     @Override
@@ -120,7 +112,7 @@ public class TimetableTabFragment extends BaseFragment implements TimetableTabCo
 
     @Override
     public void onRefreshSuccess() {
-        onError(R.string.sync_completed);
+        showMessage(R.string.sync_completed);
     }
 
     @Override
@@ -138,17 +130,9 @@ public class TimetableTabFragment extends BaseFragment implements TimetableTabCo
         noItemView.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
     }
 
-    @Override
-    public void onError(String message) {
-        if (getActivity() != null) {
-            Snackbar.make(getActivity().findViewById(R.id.main_activity_view_pager),
-                    message, Snackbar.LENGTH_LONG).show();
-        }
-    }
-
     @Override
     public void onDestroyView() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroyView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableTabModule.java

@@ -0,0 +1,21 @@
+package io.github.wulkanowy.ui.main.timetable.tab;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.Provides;
+import eu.davidea.flexibleadapter.FlexibleAdapter;
+import io.github.wulkanowy.di.scopes.PerChildFragment;
+
+@Module
+public abstract class TimetableTabModule {
+
+    @PerChildFragment
+    @Binds
+    abstract TimetableTabContract.Presenter provideTimetableTabPresneter(TimetableTabPresenter timetableTabPresenter);
+
+    @PerChildFragment
+    @Provides
+    static FlexibleAdapter<TimetableHeaderItem> provideTimetableAdapter() {
+        return new FlexibleAdapter<>(null);
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableTabPresenter.java

@@ -1,4 +1,7 @@
-package io.github.wulkanowy.ui.main.timetable;
+package io.github.wulkanowy.ui.main.timetable.tab;
+
+
+import android.support.annotation.NonNull;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -36,8 +39,8 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
     }
 
     @Override
-    public void onStart(TimetableTabContract.View view) {
-        super.onStart(view);
+    public void attachView(@NonNull TimetableTabContract.View view) {
+        super.attachView(view);
         getView().showProgressBar(true);
         getView().showNoItem(false);
     }
@@ -62,7 +65,7 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -88,7 +91,7 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
 
@@ -177,9 +180,9 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
     }
 
     @Override
-    public void onDestroy() {
+    public void detachView() {
         isFirstSight = false;
         cancelAsyncTasks();
-        super.onDestroy();
+        super.detachView();
     }
 }

app/src/main/java/io/github/wulkanowy/ui/splash/SplashActivity.java

@@ -4,7 +4,7 @@ import android.os.Bundle;
 
 import javax.inject.Inject;
 
-import butterknife.ButterKnife;
+import io.github.wulkanowy.services.jobs.SyncJob;
 import io.github.wulkanowy.services.notifies.NotificationService;
 import io.github.wulkanowy.ui.base.BaseActivity;
 import io.github.wulkanowy.ui.login.LoginActivity;
@@ -18,16 +18,12 @@ public class SplashActivity extends BaseActivity implements SplashContract.View
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
-        getActivityComponent().inject(this);
-        setButterKnife(ButterKnife.bind(this));
-
-        presenter.onStart(this);
+        presenter.attachView(this);
     }
 
     @Override
     protected void onDestroy() {
-        presenter.onDestroy();
+        presenter.detachView();
         super.onDestroy();
     }
 

app/src/main/java/io/github/wulkanowy/ui/splash/SplashContract.java

@@ -1,7 +1,5 @@
 package io.github.wulkanowy.ui.splash;
 
-
-import io.github.wulkanowy.di.annotations.PerActivity;
 import io.github.wulkanowy.ui.base.BaseContract;
 
 public interface SplashContract {
@@ -15,7 +13,6 @@ public interface SplashContract {
         void cancelNotifications();
     }
 
-    @PerActivity
     interface Presenter extends BaseContract.Presenter<View> {
     }
 }

app/src/main/java/io/github/wulkanowy/ui/splash/SplashModule.java

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.ui.splash;
+
+import dagger.Binds;
+import dagger.Module;
+import io.github.wulkanowy.di.scopes.PerActivity;
+
+@Module
+public abstract class SplashModule {
+
+    @PerActivity
+    @Binds
+    abstract SplashContract.Presenter provideSplashPresenter(SplashPresenter splashPresenter);
+}

app/src/main/java/io/github/wulkanowy/ui/splash/SplashPresenter.java

@@ -16,8 +16,8 @@ public class SplashPresenter extends BasePresenter<SplashContract.View>
     }
 
     @Override
-    public void onStart(@NonNull SplashContract.View activity) {
-        super.onStart(activity);
+    public void attachView(@NonNull SplashContract.View view) {
+        super.attachView(view);
         getView().cancelNotifications();
 
         if (getRepository().getSharedRepo().isUserLoggedIn()) {

app/src/main/java/io/github/wulkanowy/ui/widgets/TimetableWidgetFactory.java

@@ -12,10 +12,7 @@ import org.apache.commons.lang3.StringUtils;
 import java.util.ArrayList;
 import java.util.List;
 
-import javax.inject.Inject;
-
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.WulkanowyApp;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.data.db.dao.entities.TimetableLesson;
 import io.github.wulkanowy.data.db.dao.entities.Week;
@@ -23,22 +20,17 @@ import io.github.wulkanowy.utils.TimeUtils;
 
 public class TimetableWidgetFactory implements RemoteViewsService.RemoteViewsFactory {
 
-    private Context context;
+    private final Context context;
 
     private List<TimetableLesson> lessonList = new ArrayList<>();
 
-    @Inject
-    RepositoryContract repository;
+    private final RepositoryContract repository;
 
-    public TimetableWidgetFactory(Context context) {
+    public TimetableWidgetFactory(Context context, RepositoryContract repository) {
         this.context = context;
+        this.repository = repository;
     }
 
-    private void inject() {
-        if (repository == null) {
-            ((WulkanowyApp) context).getApplicationComponent().inject(this);
-        }
-    }
 
     @Override
     public void onCreate() {
@@ -47,7 +39,6 @@ public class TimetableWidgetFactory implements RemoteViewsService.RemoteViewsFac
 
     @Override
     public void onDataSetChanged() {
-        inject();
         lessonList = new ArrayList<>();
 
         if (repository.getSharedRepo().isUserLoggedIn()) {

app/src/main/java/io/github/wulkanowy/ui/widgets/TimetableWidgetProvider.java

@@ -11,8 +11,8 @@ import android.widget.RemoteViews;
 
 import javax.inject.Inject;
 
+import dagger.android.AndroidInjection;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.WulkanowyApp;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.services.widgets.TimetableWidgetServices;
 import io.github.wulkanowy.ui.main.MainActivity;
@@ -26,7 +26,6 @@ public class TimetableWidgetProvider extends AppWidgetProvider {
     RepositoryContract repository;
 
     @Override
-
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
         inject(context);
 
@@ -106,7 +105,7 @@ public class TimetableWidgetProvider extends AppWidgetProvider {
 
     private void inject(Context context) {
         if (repository == null) {
-            ((WulkanowyApp) context.getApplicationContext()).getApplicationComponent().inject(this);
+            AndroidInjection.inject(this, context);
         }
     }
 }