Version 0.4.5

.circleci/config.yml

@@ -199,24 +199,40 @@ jobs:
 workflows:
   version: 2
 
-  build_check_tests:
+  build-test-deploy:
     jobs:
-      - build
+      - build:
+          filters:
+            tags:
+              only: /.*/
       - lint:
+          filters:
+            tags:
+              only: /.*/
           requires:
             - build
       - app-test:
+          filters:
+            tags:
+              only: /.*/
           requires:
             - build
       - api-test:
+          filters:
+            tags:
+              only: /.*/
           requires:
             - build
       - instrumented:
-          requires:
+          filters:
-            - build
+            tags:
+              only: /.*/
           requires:
             - build
       - sonarcube:
+          filters:
+            tags:
+              only: /.*/
           requires:
             - build
             - lint
@@ -227,5 +243,7 @@ workflows:
           requires:
             - instrumented
           filters:
+            tags:
+              only: /\d+\.\d+\.\d+/
             branches:
-              only: master
+              ignore: /.*/

README.md

@@ -6,7 +6,7 @@
 [![BCH compliance](https://bettercodehub.com/edge/badge/wulkanowy/wulkanowy?branch=master)](https://bettercodehub.com/)
 [![Scrutinizer](https://img.shields.io/scrutinizer/g/wulkanowy/wulkanowy.svg?style=flat-square)](https://scrutinizer-ci.com/g/wulkanowy/wulkanowy/?branch=master)
 [![Bintray](https://img.shields.io/bintray/v/wulkanowy/wulkanowy/api.svg?style=flat-square)](https://bintray.com/wulkanowy/wulkanowy/api)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/JMG2rhJ)
+[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
 
 [Pobierz wersję beta](https://play.google.com/store/apps/details?id=io.github.wulkanowy&utm_source=vcs)
 

api/src/main/java/io/github/wulkanowy/api/Client.java

@@ -58,13 +58,12 @@ public class Client {
             return;
         }
 
-        this.cookies = new Cookies();
         this.symbol = new Login(this).login(email, password, symbol);
     }
 
     private boolean isLoggedIn() {
         return getCookies().size() > 0 && lastSuccessRequest != null &&
-                29 > TimeUnit.MILLISECONDS.toMinutes(new Date().getTime() - lastSuccessRequest.getTime());
+                5 > TimeUnit.MILLISECONDS.toMinutes(new Date().getTime() - lastSuccessRequest.getTime());
 
     }
 
@@ -119,7 +118,7 @@ public class Client {
 
         this.cookies.addItems(response.cookies());
 
-        Document doc = checkForErrors(response.parse());
+        Document doc = checkForErrors(response.parse(), response.statusCode());
 
         if (loginBefore) {
             lastSuccessRequest = new Date();
@@ -143,7 +142,9 @@ public class Client {
 
         this.cookies.addItems(response.cookies());
 
-        return checkForErrors(response.parse());
+        response.bufferUp(); // fixes cert parsing issues #109
+
+        return checkForErrors(response.parse(), response.statusCode());
     }
 
     public String getJsonStringByUrl(String url) throws IOException, VulcanException {
@@ -181,7 +182,7 @@ public class Client {
         return response.body();
     }
 
-    Document checkForErrors(Document doc) throws VulcanException {
+    Document checkForErrors(Document doc, int code) throws VulcanException {
         lastSuccessRequest = null;
 
         String title = doc.select("title").text();
@@ -195,7 +196,7 @@ public class Client {
         }
 
         if ("Błąd strony".equals(title)) {
-            throw new VulcanException("Nieznany błąd");
+            throw new NotLoggedInErrorException(title + " " + doc.selectFirst("p, body") + ", status: " + code);
         }
 
         return doc;

api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java

@@ -65,12 +65,12 @@ public class StudentAndParent implements SnP {
             return getBaseUrl();
         }
 
-        // get url to uonetplus-opiekun.vulcan.net.pl
+        // get url to uonetplus-opiekun.fakelog.cf
         Document startPage = client.getPageByUrl(START_PAGE_URL);
         Element studentTileLink = startPage.select(".panel.linkownia.pracownik.klient > a").first();
 
         if (null == studentTileLink) {
-            throw new NotLoggedInErrorException("You are probably not logged in. Force login");
+            throw new VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?");
         }
 
         String snpPageUrl = studentTileLink.attr("href");
@@ -84,7 +84,7 @@ public class StudentAndParent implements SnP {
         String[] path = snpPageUrl.split(client.getHost())[1].split("/");
 
         if (5 != path.length) {
-            throw new NotLoggedInErrorException("You are probably not logged in");
+            throw new NotLoggedInErrorException("You are probably not logged in " + snpPageUrl);
         }
 
         return path[2];

api/src/main/java/io/github/wulkanowy/api/attendance/AttendanceTable.java

@@ -63,7 +63,7 @@ public class AttendanceTable {
             for (int i = 1; i < size; i++) {
                 Lesson lesson = new Lesson();
                 lesson.setDate(days.get(i - 1).getDate());
-                lesson.setNumber(hours.get(0).text());
+                lesson.setNumber(Integer.valueOf(hours.get(0).text()));
 
                 addLessonDetails(lesson, hours.get(i));
 

api/src/main/java/io/github/wulkanowy/api/generic/Lesson.java

@@ -2,7 +2,7 @@ package io.github.wulkanowy.api.generic;
 
 public class Lesson {
 
-    private String number = "";
+    private int number = 0;
 
     private String subject = "";
 
@@ -48,12 +48,13 @@ public class Lesson {
 
     private boolean isExemption = false;
 
-    public String getNumber() {
+    public int getNumber() {
         return number;
     }
 
-    public void setNumber(String number) {
+    public Lesson setNumber(int number) {
         this.number = number;
+        return this;
     }
 
     public String getSubject() {

api/src/main/java/io/github/wulkanowy/api/login/Login.java

@@ -9,6 +9,7 @@ import org.jsoup.select.Elements;
 import java.io.IOException;
 
 import io.github.wulkanowy.api.Client;
+import io.github.wulkanowy.api.NotLoggedInErrorException;
 import io.github.wulkanowy.api.VulcanException;
 
 public class Login {
@@ -27,6 +28,10 @@ public class Login {
     public String login(String email, String password, String symbol) throws VulcanException, IOException {
         Document certDoc = sendCredentials(email, password);
 
+        if ("Błąd".equals(certDoc.title())) {
+            throw new NotLoggedInErrorException(certDoc.selectFirst("body").text());
+        }
+
         return sendCertificate(certDoc, symbol);
     }
 
@@ -36,29 +41,29 @@ public class Login {
                 {"Password", password}
         };
 
-        String nextUrl = LOGIN_PAGE_URL;
+        Document nextDoc = sendCredentialsData(credentials, LOGIN_PAGE_URL);
-        Document loginPage = client.getPageByUrl(nextUrl, false);
 
-        Element formFirst = loginPage.select("#form1").first();
+        Element errorMessage = nextDoc.selectFirst(".ErrorMessage, #ErrorTextLabel");
-        if (null != formFirst) { // on adfs login
-            Document formSecond = client.postPageByUrl(
-                    formFirst.attr("abs:action"),
-                    getFormStateParams(formFirst, "", "")
-            );
-            credentials = getFormStateParams(formSecond, email, password);
-            nextUrl = formSecond.select("#form1").first().attr("abs:action");
-        } else if (!"Logowanie".equals(loginPage.select("#h1Default").text())) {
-            throw new VulcanException("Expected login page, got page with title: " + loginPage.title());
-        }
-
-        Document html = client.postPageByUrl(nextUrl, credentials);
-
-        Element errorMessage = html.select(".ErrorMessage, #ErrorTextLabel").first();
         if (null != errorMessage) {
             throw new BadCredentialsException(errorMessage.text());
         }
 
-        return html;
+        return nextDoc;
+    }
+
+    private Document sendCredentialsData(String[][] credentials, String nextUrl) throws IOException, VulcanException {
+        Element formFirst = client.getPageByUrl(nextUrl, false).selectFirst("#form1");
+
+        if (null != formFirst) { // only on adfs login
+            Document formSecond = client.postPageByUrl(
+                    formFirst.attr("abs:action"),
+                    getFormStateParams(formFirst, "", "")
+            );
+            credentials = getFormStateParams(formSecond, credentials[0][1], credentials[1][1]);
+            nextUrl = formSecond.selectFirst("#form1").attr("abs:action");
+        }
+
+        return client.postPageByUrl(nextUrl, credentials);
     }
 
     private String[][] getFormStateParams(Element form, String email, String password) {
@@ -77,13 +82,7 @@ public class Login {
     }
 
     String sendCertificate(Document doc, String defaultSymbol) throws IOException, VulcanException {
-        String certificate = doc.select("input[name=wresult]").val();
+        client.setSymbol(findSymbol(defaultSymbol, doc.select("input[name=wresult]").val()));
-
-        if ("".equals(certificate)) {
-            throw new VulcanException("Expected certificate, got empty string. Page title: " + doc.title());
-        }
-
-        client.setSymbol(findSymbol(defaultSymbol, certificate));
 
         Document targetDoc = sendCertData(doc);
         String title = targetDoc.title();
@@ -106,10 +105,6 @@ public class Login {
     private Document sendCertData(Document doc) throws IOException, VulcanException {
         String url = doc.select("form[name=hiddenform]").attr("action");
 
-        if (!doc.title().equals("Working...")) {
-            throw new VulcanException("Expected certificate page, got page with title: " + doc.title());
-        }
-
         return client.postPageByUrl(url.replaceFirst("Default", "{symbol}"), new String[][]{
                 {"wa", "wsignin1.0"},
                 {"wresult", doc.select("input[name=wresult]").val()},
@@ -130,6 +125,10 @@ public class Login {
                 .parse(certificate.replaceAll(":", ""), "", Parser.xmlParser())
                 .select("[AttributeName=\"UserInstance\"] samlAttributeValue");
 
+        if (instances.isEmpty()) { // on adfs login
+            return "";
+        }
+
         if (instances.size() < 2) { // 1st index is always `Default`
             throw new AccountPermissionException("First login detected, specify symbol");
         }

api/src/main/java/io/github/wulkanowy/api/timetable/Timetable.java

@@ -19,7 +19,7 @@ import io.github.wulkanowy.api.generic.Week;
 
 public class Timetable {
 
-    private static final String TIMETABLE_PAGE_URL = "Lekcja.mvc/PlanLekcji?data=";
+    private static final String TIMETABLE_PAGE_URL = "Lekcja.mvc/PlanZajec?data=";
 
     private SnP snp;
 
@@ -81,7 +81,7 @@ public class Timetable {
                 lesson.setStartTime(startEndEnd[0]);
                 lesson.setEndTime(startEndEnd[1]);
                 lesson.setDate(days.get(i - 2).getDate());
-                lesson.setNumber(hours.get(0).text());
+                lesson.setNumber(Integer.valueOf(hours.get(0).text()));
 
                 addLessonDetails(lesson, hours.get(i).select("div"));
 
@@ -98,8 +98,10 @@ public class Timetable {
                 addLessonInfoFromElement(lesson, e.first());
                 break;
             case 2:
-                Element span = e.last().select("span").first();
+                Element span = e.last().selectFirst("span");
-                if (span.hasClass(LessonTypes.CLASS_MOVED_OR_CANCELED)) {
+                if (null == span) {
+                    addLessonInfoFromElement(lesson, e.first());
+                } else if (span.hasClass(LessonTypes.CLASS_MOVED_OR_CANCELED)) {
                     lesson.setNewMovedInOrChanged(true);
                     lesson.setDescription("poprzednio: " + getLessonAndGroupInfoFromSpan(span)[0]);
                     addLessonInfoFromElement(lesson, e.first());
@@ -120,7 +122,9 @@ public class Timetable {
         Elements warn = e.select(".uwaga-panel");
 
         if (!warn.isEmpty()) {
-            e.select(".x-treelabel-rlz").last().text("(" + warn.text() + ")");
+            e.select("span").last()
+                    .addClass("x-treelabel-rlz")
+                    .text(warn.text());
             e.remove(1);
         }
     }

api/src/test/java/io/github/wulkanowy/api/ClientTest.java

@@ -25,7 +25,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-success.html"));
 
-        Assert.assertEquals(doc, client.checkForErrors(doc));
+        Assert.assertEquals(doc, client.checkForErrors(doc, 200));
     }
 
     @Test(expected = VulcanOfflineException.class)
@@ -34,7 +34,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/PrzerwaTechniczna.html"));
 
-        client.checkForErrors(doc);
+        client.checkForErrors(doc, 200);
     }
 
     @Test(expected = NotLoggedInErrorException.class)
@@ -43,7 +43,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-notLoggedIn.html"));
 
-        client.checkForErrors(doc);
+        client.checkForErrors(doc, 200);
     }
 
     @Test

api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java

@@ -53,7 +53,7 @@ public class StudentAndParentTest {
                 snp.getSnpHomePageUrl());
     }
 
-    @Test(expected = NotLoggedInErrorException.class)
+    @Test(expected = VulcanException.class)
     public void getSnpPageUrlWithWrongPage() throws Exception {
         Document wrongPageDocument = Jsoup.parse(
                 FixtureHelper.getAsString(getClass().getResourceAsStream("OcenyWszystkie-semester.html"))

api/src/test/java/io/github/wulkanowy/api/timetable/TimetableTest.java

@@ -83,11 +83,11 @@ public class TimetableTest extends StudentAndParentTestCase {
 
     @Test
     public void getLessonNumberTest() throws Exception {
-        Assert.assertEquals("2", std.getWeekTable().getDay(0).getLesson(1).getNumber());
+        Assert.assertEquals(2, std.getWeekTable().getDay(0).getLesson(1).getNumber());
-        Assert.assertEquals("5", std.getWeekTable().getDay(2).getLesson(4).getNumber());
+        Assert.assertEquals(5, std.getWeekTable().getDay(2).getLesson(4).getNumber());
-        Assert.assertEquals("0", full.getWeekTable().getDay(0).getLesson(0).getNumber());
+        Assert.assertEquals(0, full.getWeekTable().getDay(0).getLesson(0).getNumber());
-        Assert.assertEquals("13", full.getWeekTable().getDay(4).getLesson(13).getNumber());
+        Assert.assertEquals(13, full.getWeekTable().getDay(4).getLesson(13).getNumber());
-        Assert.assertEquals("3", holidays.getWeekTable().getDay(3).getLesson(3).getNumber());
+        Assert.assertEquals(3, holidays.getWeekTable().getDay(3).getLesson(3).getNumber());
     }
 
     @Test
@@ -105,6 +105,7 @@ public class TimetableTest extends StudentAndParentTestCase {
         Assert.assertEquals("Zajęcia techniczne", std.getWeekTable().getDay(2).getLesson(4).getSubject());
         Assert.assertEquals("Wychowanie fizyczne", std.getWeekTable().getDay(1).getLesson(1).getSubject());
         Assert.assertEquals("Język angielski", full.getWeekTable().getDay(0).getLesson(1).getSubject());
+        Assert.assertEquals("Wychowanie fizyczne", full.getWeekTable().getDay(0).getLesson(9).getSubject());
         Assert.assertEquals("Wychowanie do życia w rodzinie", full.getWeekTable().getDay(2).getLesson(0).getSubject());
         Assert.assertEquals("Wychowanie fizyczne", full.getWeekTable().getDay(3).getLesson(1).getSubject());
         Assert.assertEquals("Uroczyste zakończenie roku szkolnego", full.getWeekTable().getDay(4).getLesson(0).getSubject());
@@ -155,6 +156,7 @@ public class TimetableTest extends StudentAndParentTestCase {
         Assert.assertEquals("poprzednio: Wychowanie fizyczne", full.getWeekTable().getDay(4).getLesson(2).getDescription());
         Assert.assertEquals("egzamin", full.getWeekTable().getDay(3).getLesson(0).getDescription());
         Assert.assertEquals("", full.getWeekTable().getDay(4).getLesson(1).getDescription());
+        Assert.assertEquals("opis w uwadze bez klasy w spanie", full.getWeekTable().getDay(4).getLesson(4).getDescription());
         Assert.assertEquals("", holidays.getWeekTable().getDay(3).getLesson(3).getDescription());
     }
 

api/src/test/resources/io/github/wulkanowy/api/timetable/PlanLekcji-full.html

@@ -319,7 +319,16 @@
                   <span></span>
                 </div>
               </td>
-              <td></td>
+              <td>
+                <div>
+                  <span class="x-treelabel-ppl x-treelabel-inv">Język polski</span>
+                  <span class="x-treelabel-ppl x-treelabel-inv"> </span>
+                  <span class="x-treelabel-ppl x-treelabel-inv">16</span>
+                  <span class="random-class">(oddział nieobecny)</span>
+                </div>
+                <button type="button" class="uwaga-btn">Uwaga</button>
+                <div class="uwaga-panel">opis w uwadze bez klasy w spanie</div>
+              </td>
             </tr>
             <tr>
               <td>5</td>
@@ -461,7 +470,18 @@
             <tr>
               <td>9</td>
               <td>14:50 15:35</td>
-              <td></td>
+              <td>
+                <div>
+                  <span class="x-treelabel-ppl x-treelabel-zas">Wychowanie fizyczne [zaw2]</span>
+                  <span class="x-treelabel-ppl x-treelabel-zas"></span>
+                  <span class="x-treelabel-ppl x-treelabel-zas"></span>
+                  <span class="x-treelabel-ppl x-treelabel-zas">G3</span>
+                  <span class="x-treelabel-rlz">(przeniesiona z lekcji 7, 01.12.2017)</span>
+                </div>
+                <div>
+                  <!--<span>WTF</span>-->
+                </div>
+              </td>
               <td>
                 <div>
                   <span class="x-treelabel-ppl x-treelabel-inv">Język niemiecki [J1]</span>

app/build.gradle

@@ -9,7 +9,7 @@ buildscript {
         classpath "org.greenrobot:greendao-gradle-plugin:$greenDaoGradle"
         classpath "io.fabric.tools:gradle:$fabricGradle"
         classpath "com.google.gms:oss-licenses:0.9.2"
-        classpath 'com.github.triplet.gradle:play-publisher:1.2.0'
+        classpath "com.github.triplet.gradle:play-publisher:$playPublisher"
     }
 }
 
@@ -41,8 +41,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 15
         targetSdkVersion 26
-        versionCode 9
+        versionCode 13
-        versionName "0.4.1"
+        versionName "0.4.5"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
         playAccountConfig = playAccountConfigs.defaultAccountConfig
@@ -91,7 +91,7 @@ play {
 }
 
 greendao {
-    schemaVersion 26
+    schemaVersion 28
     generateTests = true
 }
 

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

@@ -1,8 +1,7 @@
 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;
 import com.jakewharton.threetenabp.AndroidThreeTen;
 
@@ -10,18 +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.DaggerAppComponent;
-import io.github.wulkanowy.di.component.DaggerApplicationComponent;
-import io.github.wulkanowy.di.modules.ApplicationModule;
 import io.github.wulkanowy.utils.LogUtils;
 
-public class WulkanowyApp extends Application {
+public class WulkanowyApp extends DaggerApplication {
-
-    protected ApplicationComponent applicationComponent;
 
     @Inject
     RepositoryContract repository;
@@ -31,12 +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();
         }
@@ -61,14 +52,18 @@ public class WulkanowyApp extends Application {
 
     private void initializeFabric() {
         Fabric.with(new Fabric.Builder(this)
-                .kits(new Crashlytics.Builder()
+                .kits(
+                        new Crashlytics.Builder()
                                 .core(new CrashlyticsCore.Builder().disabled(BuildConfig.DEBUG).build())
-                        .build())
+                                .build(),
+                        new Answers()
+                )
                 .debuggable(BuildConfig.DEBUG)
                 .build());
     }
 
-    public ApplicationComponent getApplicationComponent() {
+    @Override
-        return applicationComponent;
+    protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
+        return DaggerAppComponent.builder().create(this);
     }
 }

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

@@ -4,6 +4,7 @@ import java.util.List;
 
 import io.github.wulkanowy.data.db.dao.entities.Grade;
 import io.github.wulkanowy.data.db.dao.entities.Subject;
+import io.github.wulkanowy.data.db.dao.entities.Symbol;
 import io.github.wulkanowy.data.db.dao.entities.Week;
 
 public interface DbContract {
@@ -20,6 +21,8 @@ public interface DbContract {
 
     long getCurrentSymbolId();
 
+    Symbol getCurrentSymbol();
+
     long getCurrentDiaryId();
 
     long getSemesterId(int name);

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

@@ -12,15 +12,16 @@ 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;
 import io.github.wulkanowy.data.db.dao.entities.DaoMaster;
 import io.github.wulkanowy.data.db.dao.migrations.Migration23;
 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
@@ -31,7 +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;
@@ -76,6 +77,8 @@ public class DbHelper extends DaoMaster.OpenHelper {
         List<Migration> migrations = new ArrayList<>();
         migrations.add(new Migration23());
         migrations.add(new Migration26());
+        migrations.add(new Migration27());
+        migrations.add(new Migration28());
 
         // Sorting just to be safe, in case other people add migrations in the wrong order.
         Comparator<Migration> migrationComparator = new Comparator<Migration>() {

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

@@ -12,6 +12,7 @@ import io.github.wulkanowy.data.db.dao.entities.Semester;
 import io.github.wulkanowy.data.db.dao.entities.SemesterDao;
 import io.github.wulkanowy.data.db.dao.entities.StudentDao;
 import io.github.wulkanowy.data.db.dao.entities.Subject;
+import io.github.wulkanowy.data.db.dao.entities.Symbol;
 import io.github.wulkanowy.data.db.dao.entities.SymbolDao;
 import io.github.wulkanowy.data.db.dao.entities.Week;
 import io.github.wulkanowy.data.db.dao.entities.WeekDao;
@@ -57,10 +58,15 @@ public class DbRepository implements DbContract {
     }
 
     @Override
-    public long getCurrentSymbolId() {
+    public Symbol getCurrentSymbol() {
         return daoSession.getSymbolDao().queryBuilder().where(
                 SymbolDao.Properties.UserId.eq(sharedPref.getCurrentUserId())
-        ).unique().getId();
+        ).unique();
+    }
+
+    @Override
+    public long getCurrentSymbolId() {
+        return getCurrentSymbol().getId();
     }
 
     @Override

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

@@ -5,6 +5,7 @@ import org.greenrobot.greendao.annotation.Entity;
 import org.greenrobot.greendao.annotation.Generated;
 import org.greenrobot.greendao.annotation.Id;
 import org.greenrobot.greendao.annotation.Index;
+import org.greenrobot.greendao.annotation.OrderBy;
 import org.greenrobot.greendao.annotation.Property;
 import org.greenrobot.greendao.annotation.ToMany;
 
@@ -35,9 +36,11 @@ public class Day {
     @Property(nameInDb = "free_day_name")
     private String freeDayName = "";
 
+    @OrderBy("number ASC")
     @ToMany(referencedJoinProperty = "dayId")
     private List<TimetableLesson> timetableLessons;
 
+    @OrderBy("number ASC")
     @ToMany(referencedJoinProperty = "dayId")
     private List<AttendanceLesson> attendanceLessons;
 
@@ -50,9 +53,7 @@ public class Day {
     @Generated(hash = 2040040024)
     private transient DaoSession daoSession;
 
-    /**
+    /** Used for active entity operations. */
-     * Used for active entity operations.
-     */
     @Generated(hash = 312167767)
     private transient DayDao myDao;
 
@@ -185,6 +186,36 @@ public class Day {
         attendanceLessons = null;
     }
 
+    /**
+     * To-many relationship, resolved on first access (and after reset).
+     * Changes to to-many relations are not persisted, make changes to the target entity.
+     */
+    @Generated(hash = 1231531946)
+    public List<Exam> getExams() {
+        if (exams == null) {
+            final DaoSession daoSession = this.daoSession;
+            if (daoSession == null) {
+                throw new DaoException("Entity is detached from DAO context");
+            }
+            ExamDao targetDao = daoSession.getExamDao();
+            List<Exam> examsNew = targetDao._queryDay_Exams(id);
+            synchronized (this) {
+                if (exams == null) {
+                    exams = examsNew;
+                }
+            }
+        }
+        return exams;
+    }
+
+    /**
+     * Resets a to-many relationship, making the next get call to query for a fresh result.
+     */
+    @Generated(hash = 841969952)
+    public synchronized void resetExams() {
+        exams = null;
+    }
+
     /**
      * Convenient call for {@link org.greenrobot.greendao.AbstractDao#delete(Object)}.
      * Entity must attached to an entity context.
@@ -221,40 +252,12 @@ public class Day {
         myDao.update(this);
     }
 
-    /**
-     * To-many relationship, resolved on first access (and after reset).
-     * Changes to to-many relations are not persisted, make changes to the target entity.
-     */
-    @Generated(hash = 1231531946)
-    public List<Exam> getExams() {
-        if (exams == null) {
-            final DaoSession daoSession = this.daoSession;
-            if (daoSession == null) {
-                throw new DaoException("Entity is detached from DAO context");
-            }
-            ExamDao targetDao = daoSession.getExamDao();
-            List<Exam> examsNew = targetDao._queryDay_Exams(id);
-            synchronized (this) {
-                if (exams == null) {
-                    exams = examsNew;
-                }
-            }
-        }
-        return exams;
-    }
-
-    /**
-     * Resets a to-many relationship, making the next get call to query for a fresh result.
-     */
-    @Generated(hash = 841969952)
-    public synchronized void resetExams() {
-        exams = null;
-    }
-
     /** called by internal mechanisms, do not call yourself. */
     @Generated(hash = 1409317752)
     public void __setDaoSession(DaoSession daoSession) {
         this.daoSession = daoSession;
         myDao = daoSession != null ? daoSession.getDayDao() : null;
     }
+
+
 }

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

@@ -4,13 +4,15 @@ import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;
 import org.greenrobot.greendao.annotation.Generated;
 import org.greenrobot.greendao.annotation.Id;
+import org.greenrobot.greendao.annotation.Index;
 import org.greenrobot.greendao.annotation.Property;
 
 import java.io.Serializable;
 
 @Entity(
         nameInDb = "Exams",
-        active = true
+        active = true,
+        indexes = {@Index(value = "dayId,entryDate,subjectAndGroup,type,teacher", unique = true)}
 )
 
 public class Exam implements Serializable {

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

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.data.db.dao.entities;
 
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;
 import org.greenrobot.greendao.annotation.Generated;
@@ -12,7 +14,7 @@ import java.io.Serializable;
 @Entity(
         nameInDb = "TimetableLessons",
         active = true,
-        indexes = {@Index(value = "dayId,date,startTime,endTime", unique = true)}
+        indexes = {@Index(value = "dayId,date,number,startTime,endTime", unique = true)}
 )
 public class TimetableLesson implements Serializable {
 
@@ -25,7 +27,7 @@ public class TimetableLesson implements Serializable {
     private Long dayId;
 
     @Property(nameInDb = "number")
-    private String number;
+    private int number = 0;
 
     @Property(nameInDb = "subject")
     private String subject = "";
@@ -75,18 +77,15 @@ public class TimetableLesson implements Serializable {
     @Generated(hash = 2040040024)
     private transient DaoSession daoSession;
 
-    /**
+    /** Used for active entity operations. */
-     * Used for active entity operations.
-     */
     @Generated(hash = 1119360138)
     private transient TimetableLessonDao myDao;
 
-    @Generated(hash = 1955911128)
+    @Generated(hash = 1665905034)
-    public TimetableLesson(Long id, Long dayId, String number, String subject,
+    public TimetableLesson(Long id, Long dayId, int number, String subject, String teacher,
-                           String teacher, String room, String description, String group,
+                           String room, String description, String group, String startTime, String endTime,
-                           String startTime, String endTime, String date, boolean empty,
+                           String date, boolean empty, boolean divisionIntoGroups, boolean planning,
-                           boolean divisionIntoGroups, boolean planning, boolean realized,
+                           boolean realized, boolean movedOrCanceled, boolean newMovedInOrChanged) {
-                           boolean movedOrCanceled, boolean newMovedInOrChanged) {
         this.id = id;
         this.dayId = dayId;
         this.number = number;
@@ -127,11 +126,11 @@ public class TimetableLesson implements Serializable {
         return this;
     }
 
-    public String getNumber() {
+    public int getNumber() {
         return this.number;
     }
 
-    public TimetableLesson setNumber(String number) {
+    public TimetableLesson setNumber(int number) {
         this.number = number;
         return this;
     }
@@ -262,6 +261,32 @@ public class TimetableLesson implements Serializable {
         return this;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TimetableLesson lesson = (TimetableLesson) o;
+
+        return new EqualsBuilder()
+                .append(number, lesson.number)
+                .append(startTime, lesson.startTime)
+                .append(endTime, lesson.endTime)
+                .append(date, lesson.date)
+                .isEquals();
+    }
+
+    @Override
+    public int hashCode() {
+        return new HashCodeBuilder(17, 37)
+                .append(number)
+                .append(startTime)
+                .append(endTime)
+                .append(date)
+                .toHashCode();
+    }
+
     /**
      * Convenient call for {@link org.greenrobot.greendao.AbstractDao#delete(Object)}.
      * Entity must attached to an entity context.

app/src/main/java/io/github/wulkanowy/data/db/dao/migrations/Migration27.java

@@ -0,0 +1,24 @@
+package io.github.wulkanowy.data.db.dao.migrations;
+
+import org.greenrobot.greendao.database.Database;
+
+import io.github.wulkanowy.api.Vulcan;
+import io.github.wulkanowy.data.db.dao.DbHelper;
+import io.github.wulkanowy.data.db.dao.entities.ExamDao;
+import io.github.wulkanowy.data.db.shared.SharedPrefContract;
+
+public class Migration27 implements DbHelper.Migration {
+
+    @Override
+    public Integer getVersion() {
+        return 27;
+    }
+
+    @Override
+    public void runMigration(Database db, SharedPrefContract sharedPref, Vulcan vulcan) throws Exception {
+        ExamDao.dropTable(db, true);
+        ExamDao.createTable(db, true);
+
+        db.execSQL("UPDATE Weeks SET exams_synced = 0");
+    }
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/migrations/Migration28.java

@@ -0,0 +1,20 @@
+package io.github.wulkanowy.data.db.dao.migrations;
+
+import org.greenrobot.greendao.database.Database;
+
+import io.github.wulkanowy.api.Vulcan;
+import io.github.wulkanowy.data.db.dao.DbHelper;
+import io.github.wulkanowy.data.db.shared.SharedPrefContract;
+
+public class Migration28 implements DbHelper.Migration {
+
+    @Override
+    public Integer getVersion() {
+        return 28;
+    }
+
+    @Override
+    public void runMigration(final Database db, final SharedPrefContract sharedPref, final Vulcan vulcan) throws Exception {
+        throw new Exception("No migrations");
+    }
+}

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

@@ -2,6 +2,8 @@ package io.github.wulkanowy.data.sync;
 
 import android.content.Context;
 
+import org.greenrobot.greendao.database.Database;
+
 import java.io.IOException;
 import java.util.List;
 
@@ -11,6 +13,7 @@ import javax.inject.Singleton;
 import io.github.wulkanowy.api.Vulcan;
 import io.github.wulkanowy.api.VulcanException;
 import io.github.wulkanowy.data.db.dao.entities.Account;
+import io.github.wulkanowy.data.db.dao.entities.DaoMaster;
 import io.github.wulkanowy.data.db.dao.entities.DaoSession;
 import io.github.wulkanowy.data.db.dao.entities.Diary;
 import io.github.wulkanowy.data.db.dao.entities.DiaryDao;
@@ -20,7 +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;
@@ -39,7 +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;
@@ -49,6 +51,8 @@ public class AccountSync {
     public void registerUser(String email, String password, String symbol)
             throws VulcanException, IOException, CryptoException {
 
+        clearUserData();
+
         vulcan.setCredentials(email, password, symbol, null, null, null);
 
         daoSession.getDatabase().beginTransaction();
@@ -118,12 +122,12 @@ public class AccountSync {
         daoSession.getSemesterDao().insertInTx(semesterList);
     }
 
-    public void initLastUser() throws IOException, CryptoException {
+    public void initLastUser() throws CryptoException {
 
         long userId = sharedPref.getCurrentUserId();
 
         if (userId == 0) {
-            throw new IOException("Can't find saved user");
+            throw new NotRegisteredUserException("Can't find user id in SharedPreferences");
         }
 
         LogUtils.debug("Initialization current user id=" + userId);
@@ -152,4 +156,11 @@ public class AccountSync {
                 diary.getValue()
         );
     }
+
+    private void clearUserData() {
+        Database database = daoSession.getDatabase();
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
+        sharedPref.setCurrentUserId(0);
+    }
 }

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

@@ -135,6 +135,7 @@ public class ExamsSync {
                 .where(ExamDao.Properties.DayId.eq(dayId),
                         ExamDao.Properties.EntryDate.eq(examApi.getEntryDate()),
                         ExamDao.Properties.SubjectAndGroup.eq(examApi.getSubjectAndGroup()),
+                        ExamDao.Properties.Type.eq(examApi.getType()),
                         ExamDao.Properties.Teacher.eq(examApi.getTeacher()))
                 .unique();
     }

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

@@ -0,0 +1,8 @@
+package io.github.wulkanowy.data.sync;
+
+public class NotRegisteredUserException extends RuntimeException {
+
+    public NotRegisteredUserException(String message) {
+        super(message);
+    }
+}

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

@@ -1,5 +1,7 @@
 package io.github.wulkanowy.data.sync;
 
+import org.apache.commons.collections4.CollectionUtils;
+
 import java.io.IOException;
 import java.text.ParseException;
 import java.util.ArrayList;
@@ -125,6 +127,16 @@ public class TimetableSync {
         List<TimetableLesson> lessonsFromApiEntities = DataObjectConverter
                 .lessonsToTimetableLessonsEntities(lessons);
 
+        List<TimetableLesson> lessonsFromDbEntities = getLessonsFromDb(dayId);
+
+        if (!lessonsFromDbEntities.isEmpty()) {
+            List<TimetableLesson> lessonToRemove = new ArrayList<>(CollectionUtils.removeAll(lessonsFromDbEntities, lessonsFromApiEntities));
+
+            for (TimetableLesson timetableLesson : lessonToRemove) {
+                daoSession.getTimetableLessonDao().delete(timetableLesson);
+            }
+        }
+
         for (TimetableLesson apiLessonEntity : lessonsFromApiEntities) {
             TimetableLesson lessonFromDb = getLessonFromDb(apiLessonEntity, dayId);
 
@@ -148,4 +160,8 @@ public class TimetableSync {
                         TimetableLessonDao.Properties.EndTime.eq(apiEntity.getEndTime()))
                 .unique();
     }
+
+    private List<TimetableLesson> getLessonsFromDb(long dayId) {
+        return daoSession.getDayDao().load(dayId).getTimetableLessons();
+    }
 }

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

@@ -20,10 +20,11 @@ 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;
 import io.github.wulkanowy.services.notifies.GradeNotify;
 import io.github.wulkanowy.ui.main.MainActivity;
 import io.github.wulkanowy.utils.LogUtils;
@@ -59,7 +60,7 @@ public class SyncJob extends SimpleJobService {
     @Override
     public void onCreate() {
         super.onCreate();
-        ((WulkanowyApp) getApplication()).getApplicationComponent().inject(this);
+        AndroidInjection.inject(this);
     }
 
     @Override
@@ -74,9 +75,12 @@ public class SyncJob extends SimpleJobService {
                 showNotification();
             }
             return JobService.RESULT_SUCCESS;
+        } catch (NotRegisteredUserException e) {
+            logError(e);
+            stop(getApplicationContext());
+            return JobService.RESULT_FAIL_NORETRY;
         } catch (Exception e) {
-            Crashlytics.logException(e);
+            logError(e);
-            LogUtils.error("During background synchronization an error occurred", e);
             return JobService.RESULT_FAIL_RETRY;
         }
     }
@@ -116,4 +120,9 @@ public class SyncJob extends SimpleJobService {
                     gradeList.size(), gradeList.size());
         }
     }
+
+    private void logError(Exception e) {
+        Crashlytics.logException(e);
+        LogUtils.error("During background synchronization an error occurred", e);
+    }
 }

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 {
+public abstract class BaseActivity extends DaggerAppCompatActivity implements BaseContract.View {
-
-    private ActivityComponent activityComponent;
 
     private Unbinder unbinder;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
+    }
 
-        activityComponent = DaggerActivityComponent.builder()
+    protected void injectViews() {
-                .activityModule(new ActivityModule(this))
+        unbinder = ButterKnife.bind(this);
-                .applicationComponent(((WulkanowyApp) getApplication()).getApplicationComponent())
+    }
-                .build();
+
+    @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 android.support.annotation.NonNull;
-
-import io.github.wulkanowy.di.annotations.PerActivity;
 
 public interface BaseContract {
 
     interface View {
 
-        void onError(@StringRes int resId);
+        void showMessage(@NonNull String text);
 
-        void onError(String message);
+        void showNoNetworkMessage();
-
-        void onNoNetworkError();
 
         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.annotation.StringRes;
-import android.support.v4.app.Fragment;
 import android.view.View;
 
+import butterknife.ButterKnife;
 import butterknife.Unbinder;
-import io.github.wulkanowy.R;
+import dagger.android.support.DaggerFragment;
-import io.github.wulkanowy.WulkanowyApp;
+import io.github.wulkanowy.utils.NetworkUtils;
-import io.github.wulkanowy.di.component.DaggerFragmentComponent;
-import io.github.wulkanowy.di.component.FragmentComponent;
-import io.github.wulkanowy.di.modules.FragmentModule;
 
-public abstract class BaseFragment extends Fragment implements BaseContract.View {
+public abstract class BaseFragment extends DaggerFragment implements BaseContract.View {
-
-    private BaseActivity activity;
 
     private Unbinder unbinder;
 
-    private FragmentComponent fragmentComponent;
+    protected void injectViews(@NonNull View view) {
-
+        unbinder = ButterKnife.bind(this, view);
-    @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();
     }
 
     @Override
@@ -61,44 +25,32 @@ public abstract class BaseFragment extends Fragment implements BaseContract.View
         super.onDestroyView();
     }
 
-    @Override
+    public void setTitle(String title) {
-    public void onError(int resId) {
+        if (getActivity() != null) {
-        onError(getString(resId));
+            getActivity().setTitle(title);
-    }
-
-    @Override
-    public void onError(String message) {
-        if (activity != null) {
-            activity.onError(message);
         }
     }
 
     @Override
-    public void onNoNetworkError() {
+    public void showMessage(@NonNull String text) {
-        onError(R.string.noInternet_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();
+        return NetworkUtils.isOnline(getContext());
-    }
-
-    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
     }
 }

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));
+        presenter.attachView(this);
-        getActivityComponent().inject(this);
-
-        presenter.onStart(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() {
+    protected View getMessageView() {
-        super.onDestroy();
+        return findViewById(R.id.login_activity_container);
-        presenter.onDestroy();
     }
 
     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

@@ -11,6 +11,7 @@ import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.utils.AppConstant;
+import io.github.wulkanowy.utils.FabricUtils;
 
 public class LoginPresenter extends BasePresenter<LoginContract.View>
         implements LoginContract.Presenter {
@@ -46,7 +47,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
             loginAsync.execute();
 
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
         }
 
         getView().hideSoftInput();
@@ -84,6 +85,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
     @Override
     public void onEndAsync(boolean success, Exception exception) {
         if (success) {
+            FabricUtils.logRegister(true, getRepository().getDbRepo().getCurrentSymbol().getSymbol());
             getView().openMainActivity();
             return;
         } else if (exception instanceof BadCredentialsException) {
@@ -93,7 +95,8 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
             getView().setErrorSymbolRequired();
             getView().showSoftInput();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            FabricUtils.logRegister(false, symbol);
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
 
         getView().showActionBar(true);
@@ -157,11 +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);
+        presenter.attachView(this, getIntent().getIntExtra(EXTRA_CARD_ID_KEY, -1));
-        setButterKnife(ButterKnife.bind(this));
-
-        presenter.onStart(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) {
+    public void attachView(@NonNull MainContract.View view, int initTabId) {
-        super.onStart(view);
+        super.attachView(view);
         getView().showProgressBar(true);
         getView().hideActionBar();
 
         int tabPosition;
 
-        if (tabPositionIntent != -1) {
+        if (initTabId != -1) {
-            tabPosition = tabPositionIntent;
+            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();
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
 
         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) {
+    public void attachView(@NonNull AttendanceContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+        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.detachView();
-        super.onDestroy();
     }
 }

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.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;
@@ -10,6 +12,7 @@ import io.github.wulkanowy.data.db.dao.entities.AttendanceLesson;
 import io.github.wulkanowy.data.db.dao.entities.Day;
 import io.github.wulkanowy.data.db.dao.entities.Week;
 import io.github.wulkanowy.ui.base.BasePresenter;
+import io.github.wulkanowy.utils.FabricUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
@@ -33,8 +36,9 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
     }
 
     @Override
-    public void onStart(AttendanceTabContract.View view) {
+    public void attachView(@NonNull AttendanceTabContract.View view) {
-        super.onStart(view);
+        super.attachView(view);
+
         getView().showProgressBar(true);
         getView().showNoItem(false);
     }
@@ -59,7 +63,7 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -85,9 +89,11 @@ public class AttendanceTabPresenter extends BasePresenter<AttendanceTabContract.
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
+
+        FabricUtils.logRefresh("Attendance", result, date);
     }
 
     @Override
@@ -180,9 +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
@@ -39,17 +41,13 @@ 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();
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
 
         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) {
+    public void attachView(@NonNull ExamsContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+        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.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.detachView();
         super.onDestroyView();
-        presenter.onDestroy();
     }
 }

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;
@@ -10,6 +12,7 @@ import io.github.wulkanowy.data.db.dao.entities.Day;
 import io.github.wulkanowy.data.db.dao.entities.Exam;
 import io.github.wulkanowy.data.db.dao.entities.Week;
 import io.github.wulkanowy.ui.base.BasePresenter;
+import io.github.wulkanowy.utils.FabricUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
@@ -28,13 +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) {
+    public void attachView(@NonNull ExamsTabContract.View view) {
-        super.onStart(view);
+        super.attachView(view);
         getView().showProgressBar(true);
         getView().showNoItem(false);
     }
@@ -64,7 +67,7 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -90,9 +93,11 @@ public class ExamsTabPresenter extends BasePresenter<ExamsTabContract.View>
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
+
+        FabricUtils.logRefresh("Exams", result, date);
     }
 
     @Override
@@ -154,9 +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;
 
@@ -30,15 +30,16 @@ 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);
+
+        void onSemesterSwitchActive();
     }
 }

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();
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
-        }
-
         return view;
     }
 
@@ -80,6 +72,7 @@ public class GradesFragment extends BaseFragment implements GradesContract.View
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == R.id.action_filter) {
+            presenter.onSemesterSwitchActive();
             CharSequence[] items = new CharSequence[]{
                     getResources().getString(R.string.semester_text, 1),
                     getResources().getString(R.string.semester_text, 2),
@@ -101,14 +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);
@@ -154,25 +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));
+        showMessage(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();
-        }
     }
 
     @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 +1,12 @@
 package io.github.wulkanowy.ui.main.grades;
 
+import android.support.annotation.NonNull;
+
+import com.crashlytics.android.answers.Answers;
+import com.crashlytics.android.answers.CustomEvent;
+
+import org.threeten.bp.LocalDate;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -10,6 +17,7 @@ import io.github.wulkanowy.data.db.dao.entities.Grade;
 import io.github.wulkanowy.data.db.dao.entities.Subject;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
+import io.github.wulkanowy.utils.FabricUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
@@ -35,8 +43,8 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
     }
 
     @Override
-    public void onStart(GradesContract.View view, OnFragmentIsReadyListener listener) {
+    public void attachView(@NonNull GradesContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+        super.attachView(view);
         this.listener = listener;
 
         if (getView().isMenuVisible()) {
@@ -53,12 +61,19 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
         }
     }
 
+    @Override
+    public void onSemesterSwitchActive() {
+        cancelAsyncTasks();
+    }
+
     @Override
     public void onSemesterChange(int which) {
         semesterName = which + 1;
         getView().setCurrentSemester(which);
-
         reloadGrades();
+
+        Answers.getInstance().logCustom(new CustomEvent("Semester change")
+                .putCustomAttribute("Name", semesterName));
     }
 
     private void reloadGrades() {
@@ -81,7 +96,7 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
             refreshTask.setOnRefreshListener(this);
             refreshTask.execute();
         } else {
-            getView().onNoNetworkError();
+            getView().showNoNetworkMessage();
             getView().hideRefreshingBar();
         }
     }
@@ -100,8 +115,8 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
     }
 
     @Override
-    public void onEndRefreshAsync(boolean success, Exception exception) {
+    public void onEndRefreshAsync(boolean result, Exception exception) {
-        if (success) {
+        if (result) {
             reloadGrades();
 
             int numberOfNewGrades = getRepository().getDbRepo().getNewGrades(semesterName).size();
@@ -112,9 +127,11 @@ 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();
+
+        FabricUtils.logRefresh("Grades", result, LocalDate.now().toString());
     }
 
     @Override
@@ -156,10 +173,7 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
         listener.onFragmentIsReady();
     }
 
-    @Override
+    private void cancelAsyncTasks() {
-    public void onDestroy() {
-        isFirstSight = false;
-
         if (refreshTask != null) {
             refreshTask.cancel(true);
             refreshTask = null;
@@ -168,6 +182,12 @@ public class GradesPresenter extends BasePresenter<GradesContract.View>
             loadingTask.cancel(true);
             loadingTask = null;
         }
-        super.onDestroy();
+    }
+
+    @Override
+    public void detachView() {
+        isFirstSight = false;
+        cancelAsyncTasks();
+        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;
 
@@ -40,17 +41,13 @@ 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();
+        presenter.attachView(this, (OnFragmentIsReadyListener) getActivity());
-        if (component != null) {
-            component.inject(this);
-            setButterKnife(ButterKnife.bind(this, view));
-            presenter.onStart(this, (OnFragmentIsReadyListener) getActivity());
 
         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) {
+    public void attachView(@NonNull TimetableContract.View view, OnFragmentIsReadyListener listener) {
-        super.onStart(view);
+        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
@@ -106,7 +107,7 @@ public class TimetableSubItem
 
             lessonName.setText(lesson.getSubject());
             lessonTime.setText(getLessonTimeString());
-            numberOfLesson.setText(lesson.getNumber());
+            numberOfLesson.setText(String.valueOf(lesson.getNumber()));
             room.setText(getRoomString());
             alert.setVisibility(lesson.getMovedOrCanceled() || lesson.getNewMovedInOrChanged()
                     ? View.VISIBLE : View.INVISIBLE);

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.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

@@ -1,6 +1,8 @@
-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;
 
@@ -11,6 +13,7 @@ import io.github.wulkanowy.data.db.dao.entities.Day;
 import io.github.wulkanowy.data.db.dao.entities.TimetableLesson;
 import io.github.wulkanowy.data.db.dao.entities.Week;
 import io.github.wulkanowy.ui.base.BasePresenter;
+import io.github.wulkanowy.utils.FabricUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
@@ -36,8 +39,8 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
     }
 
     @Override
-    public void onStart(TimetableTabContract.View view) {
+    public void attachView(@NonNull TimetableTabContract.View view) {
-        super.onStart(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();
         }
     }
@@ -88,9 +91,11 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
 
             getView().onRefreshSuccess();
         } else {
-            getView().onError(getRepository().getResRepo().getErrorLoginMessage(exception));
+            getView().showMessage(getRepository().getResRepo().getErrorLoginMessage(exception));
         }
         getView().hideRefreshingBar();
+
+        FabricUtils.logRefresh("Timetable", result, date);
     }
 
     @Override
@@ -175,9 +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);
-
+        presenter.attachView(this);
-        getActivityComponent().inject(this);
-        setButterKnife(ButterKnife.bind(this));
-
-        presenter.onStart(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) {
+    public void attachView(@NonNull SplashContract.View view) {
-        super.onStart(activity);
+        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
+    private final RepositoryContract repository;
-    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);
         }
     }
 }

app/src/main/java/io/github/wulkanowy/utils/DataObjectConverter.java

@@ -156,7 +156,7 @@ public final class DataObjectConverter {
 
         for (io.github.wulkanowy.api.generic.Lesson lesson : lessonList) {
             lessonEntityList.add(new AttendanceLesson()
-                    .setNumber(Integer.valueOf(lesson.getNumber()))
+                    .setNumber(lesson.getNumber())
                     .setSubject(lesson.getSubject())
                     .setDate(lesson.getDate())
                     .setPresence(lesson.isPresence())

app/src/main/java/io/github/wulkanowy/utils/FabricUtils.java

@@ -0,0 +1,27 @@
+package io.github.wulkanowy.utils;
+
+import com.crashlytics.android.answers.Answers;
+import com.crashlytics.android.answers.CustomEvent;
+import com.crashlytics.android.answers.SignUpEvent;
+
+public final class FabricUtils {
+
+    private FabricUtils() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static void logRegister(boolean result, String symbol) {
+        Answers.getInstance().logSignUp(new SignUpEvent()
+                .putMethod("Login activity")
+                .putSuccess(result)
+                .putCustomAttribute("symbol", symbol));
+    }
+
+    public static void logRefresh(String name, boolean result, String date) {
+        Answers.getInstance().logCustom(
+                new CustomEvent(name + " refresh")
+                        .putCustomAttribute("Success", result ? 1 : 0)
+                        .putCustomAttribute("Date", date)
+        );
+    }
+}

app/src/main/java/io/github/wulkanowy/utils/RootChecker.java

@@ -1,38 +0,0 @@
-package io.github.wulkanowy.utils;
-
-import android.os.Build;
-
-import java.io.File;
-
-public final class RootChecker {
-
-    private RootChecker() {
-        throw new IllegalStateException("Utility class");
-    }
-
-    public static boolean isRooted() {
-        return checkOne() || checkTwo() || checkThree();
-    }
-
-    private static boolean checkOne() {
-        return Build.TAGS != null && Build.TAGS.contains("test-keys");
-    }
-
-    private static boolean checkTwo() {
-        return new File("/system/app/Superuser.apk").exists();
-    }
-
-    private static boolean checkThree() {
-        String[] commands = {"/system/xbin/which su", "/system/bin/which su", "which su"};
-        for (String command : commands) {
-            try {
-                Runtime.getRuntime().exec(command);
-                return true;
-            } catch (Exception e) {
-                // ignore
-            }
-        }
-        return false;
-    }
-
-}