diff --git a/.github/workflows/deploy-store.yml b/.github/workflows/deploy-store.yml
index e7ed6b49..8015ef64 100644
--- a/.github/workflows/deploy-store.yml
+++ b/.github/workflows/deploy-store.yml
@@ -71,4 +71,4 @@ jobs:
           PLAY_KEY_ALIAS: ${{ secrets.PLAY_KEY_ALIAS }}
           PLAY_KEY_PASSWORD: ${{ secrets.PLAY_KEY_PASSWORD }}
           PLAY_STORE_PASSWORD: ${{ secrets.PLAY_STORE_PASSWORD }}
-        run: ./gradlew assembleHmsRelease --stacktrace && ./gradlew publishHuaweiAppGalleryHmsRelease --stacktrace
+        run: ./gradlew bundleHmsRelease --stacktrace && ./gradlew publishHuaweiAppGalleryHmsRelease --stacktrace
diff --git a/app/build.gradle b/app/build.gradle
index 695dc639..74585998 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,8 +21,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 94
-        versionName "1.2.1"
+        versionCode 95
+        versionName "1.2.2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
 
@@ -141,14 +141,14 @@ huaweiPublish {
     instances {
         hmsRelease {
             credentialsPath = "$rootDir/app/src/release/agconnect-credentials.json"
-            buildFormat = "apk"
+            buildFormat = "aab"
             deployType = "draft"
         }
     }
 }
 
 ext {
-    work_manager = "2.5.0"
+    work_manager = "2.6.0"
     android_hilt = "1.0.0"
     room = "2.3.0"
     chucker = "3.5.2"
@@ -157,7 +157,7 @@ ext {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:1.2.1"
+    implementation "io.github.wulkanowy:sdk:1.2.2"
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 
@@ -177,7 +177,7 @@ dependencies {
     implementation "androidx.constraintlayout:constraintlayout:2.1.0"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
     implementation "com.google.android.material:material:1.4.0"
-    implementation "com.github.wulkanowy:material-chips-input:2.2.0"
+    implementation "com.github.wulkanowy:material-chips-input:2.3.1"
     implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
     implementation 'com.github.lopspower:CircularImageView:4.2.0'
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a331c41f..ad5adaf2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -119,11 +119,9 @@
         <receiver android:name=".services.alarm.TimetableNotificationReceiver" />
 
         <provider
-            android:name="androidx.work.impl.WorkManagerInitializer"
-            android:authorities="${applicationId}.workmanager-init"
-            android:exported="false"
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
             tools:node="remove" />
-
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.fileprovider"
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
index 0ad2ee59..3dda8a44 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
@@ -14,33 +14,39 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface StudentDao {
+abstract class StudentDao {
 
     @Insert(onConflict = ABORT)
-    suspend fun insertAll(student: List<Student>): List<Long>
+    abstract suspend fun insertAll(student: List<Student>): List<Long>
 
     @Delete
-    suspend fun delete(student: Student)
+    abstract suspend fun delete(student: Student)
 
     @Update(entity = Student::class)
-    suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
+    abstract suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
 
     @Query("SELECT * FROM Students WHERE is_current = 1")
-    suspend fun loadCurrent(): Student?
+    abstract suspend fun loadCurrent(): Student?
 
     @Query("SELECT * FROM Students WHERE id = :id")
-    suspend fun loadById(id: Long): Student?
+    abstract suspend fun loadById(id: Long): Student?
 
     @Query("SELECT * FROM Students")
-    suspend fun loadAll(): List<Student>
+    abstract suspend fun loadAll(): List<Student>
 
     @Transaction
     @Query("SELECT * FROM Students")
-    suspend fun loadStudentsWithSemesters(): List<StudentWithSemesters>
+    abstract suspend fun loadStudentsWithSemesters(): List<StudentWithSemesters>
 
     @Query("UPDATE Students SET is_current = 1 WHERE id = :id")
-    suspend fun updateCurrent(id: Long)
+    abstract suspend fun updateCurrent(id: Long)
 
     @Query("UPDATE Students SET is_current = 0")
-    suspend fun resetCurrent()
+    abstract suspend fun resetCurrent()
+
+    @Transaction
+    open suspend fun switchCurrent(id: Long) {
+        resetCurrent()
+        updateCurrent(id)
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt
index c2f364b3..2ac892d0 100644
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt
@@ -1,7 +1,9 @@
 package io.github.wulkanowy.data.repositories
 
 import android.content.Context
+import androidx.room.withTransaction
 import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Student
@@ -25,7 +27,8 @@ class StudentRepository @Inject constructor(
     private val studentDb: StudentDao,
     private val semesterDb: SemesterDao,
     private val sdk: Sdk,
-    private val appInfo: AppInfo
+    private val appInfo: AppInfo,
+    private val appDatabase: AppDatabase
 ) {
 
     suspend fun isStudentSaved() = getSavedStudents(false).isNotEmpty()
@@ -92,7 +95,7 @@ class StudentRepository @Inject constructor(
         return student
     }
 
-    suspend fun saveStudents(studentsWithSemesters: List<StudentWithSemesters>): List<Long> {
+    suspend fun saveStudents(studentsWithSemesters: List<StudentWithSemesters>) {
         val semesters = studentsWithSemesters.flatMap { it.semesters }
         val students = studentsWithSemesters.map { it.student }
             .map {
@@ -104,16 +107,21 @@ class StudentRepository @Inject constructor(
                     }
                 }
             }
+            .mapIndexed { index, student ->
+                if (index == 0) {
+                    student.copy(isCurrent = true).apply { avatarColor = student.avatarColor }
+                } else student
+            }
 
-        semesterDb.insertSemesters(semesters)
-        return studentDb.insertAll(students)
+        appDatabase.withTransaction {
+            studentDb.resetCurrent()
+            semesterDb.insertSemesters(semesters)
+            studentDb.insertAll(students)
+        }
     }
 
     suspend fun switchStudent(studentWithSemesters: StudentWithSemesters) {
-        with(studentDb) {
-            resetCurrent()
-            updateCurrent(studentWithSemesters.student.id)
-        }
+        studentDb.switchCurrent(studentWithSemesters.student.id)
     }
 
     suspend fun logoutStudent(student: Student) = studentDb.delete(student)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
index 05894679..3fbdaec5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
@@ -245,7 +245,9 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
             presenter.onDateSet(date.year, date.monthValue, date.dayOfMonth)
         }
 
-        datePicker.show(this@AttendanceFragment.parentFragmentManager, null)
+        if (!parentFragmentManager.isStateSaved) {
+            datePicker.show(parentFragmentManager, null)
+        }
     }
 
     override fun showExcuseDialog() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
index 9a159812..03545b25 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
@@ -152,6 +152,8 @@ class AttendancePresenter @Inject constructor(
     fun onExcuseDialogSubmit(reason: String) {
         view?.finishActionMode()
 
+        if (attendanceToExcuseList.isEmpty()) return
+
         if (isVulcanExcusedFunctionEnabled) {
             excuseAbsence(
                 reason = reason.takeIf { it.isNotBlank() },
@@ -234,6 +236,7 @@ class AttendancePresenter @Inject constructor(
                             enableSwipe(true)
                             showRefresh(true)
                             showProgress(false)
+                            showErrorView(false)
                             showEmpty(filteredAttendance.isEmpty())
                             showContent(filteredAttendance.isNotEmpty())
                             updateData(filteredAttendance.sortedBy { item -> item.number })
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
index e53cda74..8b603837 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
@@ -82,7 +82,13 @@ class AttendanceSummaryPresenter @Inject constructor(
         flowWithResourceIn {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
-            attendanceSummaryRepository.getAttendanceSummary(student, semester, subjectId, forceRefresh)
+
+            attendanceSummaryRepository.getAttendanceSummary(
+                student = student,
+                semester = semester,
+                subjectId = subjectId,
+                forceRefresh = forceRefresh
+            )
         }.onEach {
             when (it.status) {
                 Status.LOADING -> {
@@ -92,6 +98,7 @@ class AttendanceSummaryPresenter @Inject constructor(
                             showRefresh(true)
                             showProgress(false)
                             showContent(true)
+                            showErrorView(false)
                             updateDataSet(sortItems(it.data))
                         }
                     }
@@ -99,6 +106,7 @@ class AttendanceSummaryPresenter @Inject constructor(
                 Status.SUCCESS -> {
                     Timber.i("Loading attendance summary result: Success")
                     view?.apply {
+                        showErrorView(false)
                         showEmpty(it.data!!.isEmpty())
                         showContent(it.data.isNotEmpty())
                         updateDataSet(sortItems(it.data))
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardAdapter.kt
index 56503d02..0eda4932 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardAdapter.kt
@@ -31,6 +31,7 @@ import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.left
 import io.github.wulkanowy.utils.nickOrName
 import io.github.wulkanowy.utils.toFormattedString
+import timber.log.Timber
 import java.time.Duration
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -170,6 +171,8 @@ class DashboardAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView
         val isLoading = item.isLoading
         val binding = horizontalGroupViewHolder.binding
         val context = binding.root.context
+        val isLoadingVisible =
+            (isLoading && !item.isDataLoaded) || (isLoading && !item.isFullDataLoaded)
         val attendanceColor = when {
             attendancePercentage == null || attendancePercentage == .0 -> {
                 context.getThemeAttrColor(R.attr.colorOnSurface)
@@ -199,13 +202,12 @@ class DashboardAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView
                 context.getString(R.string.dashboard_horizontal_group_no_data)
             } else luckyNumber?.toString()
 
-            dashboardHorizontalGroupItemInfoContainer.isVisible = error != null || isLoading
-            dashboardHorizontalGroupItemInfoProgress.isVisible =
-                (isLoading && !item.isDataLoaded) || (isLoading && !item.isFullDataLoaded)
+            dashboardHorizontalGroupItemInfoContainer.isVisible = error != null || isLoadingVisible
+            dashboardHorizontalGroupItemInfoProgress.isVisible = isLoadingVisible
             dashboardHorizontalGroupItemInfoErrorText.isVisible = error != null
 
             with(dashboardHorizontalGroupItemLuckyContainer) {
-                isVisible = luckyNumber != null && luckyNumber != -1
+                isVisible = luckyNumber != null && luckyNumber != -1 && !isLoadingVisible
                 setOnClickListener { onLuckyNumberTileClickListener() }
 
                 updateLayoutParams<ViewGroup.MarginLayoutParams> {
@@ -220,7 +222,8 @@ class DashboardAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView
             }
 
             with(dashboardHorizontalGroupItemAttendanceContainer) {
-                isVisible = attendancePercentage != null && attendancePercentage != -1.0
+                isVisible =
+                    attendancePercentage != null && attendancePercentage != -1.0 && !isLoadingVisible
                 updateLayoutParams<ConstraintLayout.LayoutParams> {
                     matchConstraintPercentWidth = when {
                         luckyNumber == null && unreadMessagesCount == null -> 1.0f
@@ -232,7 +235,8 @@ class DashboardAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView
             }
 
             with(dashboardHorizontalGroupItemMessageContainer) {
-                isVisible = unreadMessagesCount != null && unreadMessagesCount != -1
+                isVisible =
+                    unreadMessagesCount != null && unreadMessagesCount != -1 && !isLoadingVisible
                 setOnClickListener { onMessageTileClickListener() }
             }
         }
@@ -426,7 +430,10 @@ class DashboardAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView
                 }
             }
         } else {
-            val minutesToEndLesson = firstLesson.left!!.toMinutes() + 1
+            val minutesToEndLesson = firstLesson.left?.toMinutes()?.plus(1) ?: run {
+                Timber.e(IllegalArgumentException("Lesson left is null. START ${firstLesson.start} ; END ${firstLesson.end} ; CURRENT ${LocalDateTime.now()}"))
+                0
+            }
 
             firstTimeText = context.resources.getQuantityString(
                 R.plurals.dashboard_timetable_first_lesson_time_more_minutes,
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
index 99dcf1bb..d79c422d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
@@ -90,10 +90,10 @@ class LoginFormPresenter @Inject constructor(
 
         flowWithResource {
             studentRepository.getStudentsScrapper(
-                email,
-                password,
-                host,
-                symbol
+                email = email,
+                password = password,
+                scrapperBaseUrl = host,
+                symbol = symbol
             )
         }.onEach {
             when (it.status) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
index c344bf44..f0f5586c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
@@ -78,7 +78,9 @@ class LoginStudentSelectPresenter @Inject constructor(
             when (it.status) {
                 Status.LOADING -> Timber.d("Login student select students load started")
                 Status.SUCCESS -> view?.updateData(studentsWithSemesters.map { studentWithSemesters ->
-                    studentWithSemesters to it.data!!.any { item -> compareStudents(studentWithSemesters.student, item.student) }
+                    studentWithSemesters to it.data!!.any { item ->
+                        compareStudents(studentWithSemesters.student, item.student)
+                    }
                 })
                 Status.ERROR -> {
                     errorHandler.dispatch(it.error!!)
@@ -95,35 +97,32 @@ class LoginStudentSelectPresenter @Inject constructor(
     }
 
     private fun registerStudents(studentsWithSemesters: List<StudentWithSemesters>) {
-        flowWithResource {
-            val savedStudents = studentRepository.saveStudents(studentsWithSemesters)
-            val firstRegistered = studentsWithSemesters.first().apply { student.id = savedStudents.first() }
-            studentRepository.switchStudent(firstRegistered)
-        }.onEach {
-            when (it.status) {
-                Status.LOADING -> view?.run {
-                    Timber.i("Registration started")
-                    showProgress(true)
-                    showContent(false)
-                }
-                Status.SUCCESS -> {
-                    Timber.i("Registration result: Success")
-                    view?.openMainView()
-                    logRegisterEvent(studentsWithSemesters)
-                }
-                Status.ERROR -> {
-                    Timber.i("Registration result: An exception occurred ")
-                    view?.apply {
-                        showProgress(false)
-                        showContent(true)
-                        showContact(true)
+        flowWithResource { studentRepository.saveStudents(studentsWithSemesters) }
+            .onEach {
+                when (it.status) {
+                    Status.LOADING -> view?.run {
+                        Timber.i("Registration started")
+                        showProgress(true)
+                        showContent(false)
+                    }
+                    Status.SUCCESS -> {
+                        Timber.i("Registration result: Success")
+                        view?.openMainView()
+                        logRegisterEvent(studentsWithSemesters)
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Registration result: An exception occurred ")
+                        view?.apply {
+                            showProgress(false)
+                            showContent(true)
+                            showContact(true)
+                        }
+                        lastError = it.error
+                        loginErrorHandler.dispatch(it.error!!)
+                        logRegisterEvent(studentsWithSemesters, it.error)
                     }
-                    lastError = it.error
-                    loginErrorHandler.dispatch(it.error!!)
-                    logRegisterEvent(studentsWithSemesters, it.error)
                 }
-            }
-        }.launch("register")
+            }.launch("register")
     }
 
     fun onDiscordClick() {
@@ -134,7 +133,10 @@ class LoginStudentSelectPresenter @Inject constructor(
         view?.openEmail(lastError?.message.ifNullOrBlank { "empty" })
     }
 
-    private fun logRegisterEvent(studentsWithSemesters: List<StudentWithSemesters>, error: Throwable? = null) {
+    private fun logRegisterEvent(
+        studentsWithSemesters: List<StudentWithSemesters>,
+        error: Throwable? = null
+    ) {
         studentsWithSemesters.forEach { student ->
             analytics.logEvent(
                 "registration_student_select",
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
index dc141f8d..3a84b2dd 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
@@ -131,7 +131,9 @@ class LuckyNumberHistoryFragment :
             presenter.onDateSet(date.year, date.monthValue, date.dayOfMonth)
         }
 
-        datePicker.show(this@LuckyNumberHistoryFragment.parentFragmentManager, null)
+        if (!parentFragmentManager.isStateSaved) {
+            datePicker.show(parentFragmentManager, null)
+        }
     }
 
     override fun showContent(show: Boolean) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
index 3e5e09b4..a24f9b79 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
@@ -117,6 +117,7 @@ class MessageTabPresenter @Inject constructor(
                     if (!it.data.isNullOrEmpty()) {
                         view?.run {
                             enableSwipe(true)
+                            showErrorView(false)
                             showRefresh(true)
                             showProgress(false)
                             showContent(true)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
index 2f0957c4..145b12a3 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
@@ -11,6 +11,7 @@ import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.conference.ConferenceFragment
 import io.github.wulkanowy.ui.modules.exam.ExamFragment
 import io.github.wulkanowy.ui.modules.homework.HomeworkFragment
+import io.github.wulkanowy.ui.modules.luckynumber.LuckyNumberFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.message.MessageFragment
@@ -66,6 +67,9 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
     override val examRes: Pair<String, Drawable?>?
         get() = context?.run { getString(R.string.exam_title) to getCompatDrawable(R.drawable.ic_main_exam) }
 
+    override val luckyNumberRes: Pair<String, Drawable?>?
+        get() = context?.run { getString(R.string.lucky_number_title) to getCompatDrawable(R.drawable.ic_more_lucky_number) }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding = FragmentMoreBinding.bind(view)
@@ -128,6 +132,10 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
         (activity as? MainActivity)?.pushView(ExamFragment.newInstance())
     }
 
+    override fun openLuckyNumberView() {
+        (activity as? MainActivity)?.pushView(LuckyNumberFragment.newInstance())
+    }
+
     override fun popView(depth: Int) {
         (activity as? MainActivity)?.popView(depth)
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
index a2b7f204..92551d6e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
@@ -31,6 +31,7 @@ class MorePresenter @Inject constructor(
                 schoolAndTeachersRes?.first -> openSchoolAndTeachersView()
                 mobileDevicesRes?.first -> openMobileDevicesView()
                 settingsRes?.first -> openSettingsView()
+                luckyNumberRes?.first -> openLuckyNumberView()
             }
         }
     }
@@ -48,6 +49,7 @@ class MorePresenter @Inject constructor(
                 examRes,
                 homeworkRes,
                 noteRes,
+                luckyNumberRes,
                 conferencesRes,
                 schoolAnnouncementRes,
                 schoolAndTeachersRes,
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
index c4a07bdc..cb895de2 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
@@ -23,6 +23,8 @@ interface MoreView : BaseView {
 
     val examRes: Pair<String, Drawable?>?
 
+    val luckyNumberRes: Pair<String, Drawable?>?
+
     fun initView()
 
     fun updateData(data: List<Pair<String, Drawable?>>)
@@ -46,4 +48,6 @@ interface MoreView : BaseView {
     fun openMobileDevicesView()
 
     fun openExamView()
+
+    fun openLuckyNumberView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementPresenter.kt
index 88ad8146..d6a32e3c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolannouncement/SchoolAnnouncementPresenter.kt
@@ -64,6 +64,7 @@ class SchoolAnnouncementPresenter @Inject constructor(
                         view?.run {
                             enableSwipe(true)
                             showRefresh(true)
+                            showErrorView(false)
                             showProgress(false)
                             showContent(true)
                             updateData(it.data)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
index 1e1084a8..83218a0d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
@@ -202,7 +202,9 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
             presenter.onDateSet(date.year, date.monthValue, date.dayOfMonth)
         }
 
-        datePicker.show(this@TimetableFragment.parentFragmentManager, null)
+        if (!parentFragmentManager.isStateSaved) {
+            datePicker.show(parentFragmentManager, null)
+        }
     }
 
     override fun openAdditionalLessonsView() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
index fa1bbfb2..86e99398 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
@@ -149,6 +149,7 @@ class TimetablePresenter @Inject constructor(
                         view?.run {
                             enableSwipe(true)
                             showRefresh(true)
+                            showErrorView(false)
                             showProgress(false)
                             showContent(true)
                             updateData(it.data!!.lessons)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
index a4e1f0fc..47bee1e3 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
@@ -152,7 +152,9 @@ class AdditionalLessonsFragment :
             presenter.onDateSet(date.year, date.monthValue, date.dayOfMonth)
         }
 
-        datePicker.show(this@AdditionalLessonsFragment.parentFragmentManager, null)
+        if (!parentFragmentManager.isStateSaved) {
+            datePicker.show(parentFragmentManager, null)
+        }
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
index ad698c1c..b8da1c0f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
@@ -173,7 +173,9 @@ class CompletedLessonsFragment :
             presenter.onDateSet(date.year, date.monthValue, date.dayOfMonth)
         }
 
-        datePicker.show(this@CompletedLessonsFragment.parentFragmentManager, null)
+        if (!parentFragmentManager.isStateSaved) {
+            datePicker.show(parentFragmentManager, null)
+        }
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
diff --git a/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
index 68d3afe8..2cd4459e 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
@@ -102,7 +102,9 @@ fun Context.openNavigation(location: String) {
 fun Context.openDialer(phone: String) {
     val intentUri = Uri.parse("tel:$phone")
     val intent = Intent(Intent.ACTION_DIAL, intentUri)
-    startActivity(intent)
+    if (intent.resolveActivity(packageManager) != null) {
+        startActivity(intent)
+    }
 }
 
 fun Context.shareText(text: String, subject: String?) {
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SchooldaysValidator.kt b/app/src/main/java/io/github/wulkanowy/utils/SchooldaysValidator.kt
index 00fccfc8..b6dd528f 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/SchooldaysValidator.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/SchooldaysValidator.kt
@@ -2,7 +2,6 @@ package io.github.wulkanowy.utils
 
 import com.google.android.material.datepicker.CalendarConstraints
 import kotlinx.parcelize.Parcelize
-import java.time.DayOfWeek
 import java.time.temporal.ChronoUnit
 
 @Parcelize
@@ -12,7 +11,6 @@ class SchoolDaysValidator(val start: Long, val end: Long) : CalendarConstraints.
         val date = dateLong.toLocalDateTime()
 
         return date.until(end.toLocalDateTime(), ChronoUnit.DAYS) >= 0 &&
-            date.until(start.toLocalDateTime(), ChronoUnit.DAYS) <= 0 &&
-            date.dayOfWeek != DayOfWeek.SUNDAY
+            date.until(start.toLocalDateTime(), ChronoUnit.DAYS) <= 0
     }
-}
\ No newline at end of file
+}
diff --git a/app/src/main/play/release-notes/pl-PL/default.txt b/app/src/main/play/release-notes/pl-PL/default.txt
index aeef2a77..3456c3d0 100644
--- a/app/src/main/play/release-notes/pl-PL/default.txt
+++ b/app/src/main/play/release-notes/pl-PL/default.txt
@@ -1,7 +1,8 @@
-Wersja 1.2.1
+Wersja 1.2.2
 
-- dodaliśmy brakujące okienka z podglądem szczegółów ogłoszeń szkolnych
-- naprawiliśmy rzucające się w oczy błędy na ekranie startowym
-- naprawiliśmy też inne drobne błędy w wyglądzie i stabilności aplikacji
+- naprawiliśmy problem z widocznością zadań w aplikacji gdy widoczne są one na stronie www dziennika (nadal pozostaje błąd z zadaniami widocznymi tylko w oficjalnej aplikacji - czekamy na poprawkę po stronie VULCANa)
+- odblokowaliśmy niedzielę w wyborze daty w planie lekcji i innych zakładkach
+- przywróciliśmy odnośnik do szczęśliwego numerka w menu Więcej
+- naprawiliśmy drobne błędy ze stabilnością i wyglądem
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cf8a0760..295d8319 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -69,7 +69,7 @@
     <string name="login_contact_discord">Discord</string>
     <string name="login_email_intent_title">Send email</string>
     <string name="login_email_subject" translatable="false">Zgłoszenie: Problemy z logowaniem</string>
-    <string name="login_email_text" translatable="false">Informacje o aplikacji:\n\nUrządzenie: %1$s\nWersja SDK: %2$s\nWersja aplikacji: %3$s\nDodatkowe informacje: %4$s\nOstatni błąd: %5$s\n\nOpis problemu: </string>
+    <string name="login_email_text" translatable="false">Informacje o aplikacji:\n\nUrządzenie: %1$s\nWersja SDK: %2$s\nWersja aplikacji: %3$s\nDodatkowe informacje: %4$s\nOstatni błąd: %5$s\n\nOpis problemu (pełna nazwa szkoły, klasa ucznia): </string>
     <string name="login_recover_warning">Make sure you select the correct UONET+ register variation!</string>
     <string name="login_recover_button">I forgot my password</string>
     <string name="login_recover_title">Recover your account</string>
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt
index 402b2272..b34bbf1b 100644
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt
@@ -37,7 +37,8 @@ class StudentTest {
             studentDb,
             semesterDb,
             mockSdk,
-            AppInfo()
+            AppInfo(),
+            mockk()
         )
     }
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
index 9e34235e..c79d739e 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
@@ -89,24 +89,11 @@ class LoginStudentSelectPresenterTest {
     @Test
     fun onSelectedStudentTest() {
         coEvery {
-            studentRepository.saveStudents(
-                listOf(
-                    StudentWithSemesters(
-                        testStudent,
-                        emptyList()
-                    )
-                )
-            )
-        } returns listOf(1L)
-        coEvery {
-            studentRepository.switchStudent(
-                StudentWithSemesters(
-                    testStudent,
-                    emptyList()
-                )
-            )
+            studentRepository.saveStudents(listOf(StudentWithSemesters(testStudent, emptyList())))
         } just Runs
+
         every { loginStudentSelectView.openMainView() } just Runs
+
         presenter.onItemSelected(StudentWithSemesters(testStudent, emptyList()), false)
         presenter.onSignIn()
 
@@ -118,18 +105,14 @@ class LoginStudentSelectPresenterTest {
     @Test
     fun onSelectedStudentErrorTest() {
         coEvery {
-            studentRepository.saveStudents(
-                listOf(
-                    StudentWithSemesters(
-                        testStudent,
-                        emptyList()
-                    )
-                )
-            )
+            studentRepository.saveStudents(listOf(StudentWithSemesters(testStudent, emptyList())))
         } throws testException
+
         coEvery { studentRepository.logoutStudent(testStudent) } just Runs
+
         presenter.onItemSelected(StudentWithSemesters(testStudent, emptyList()), false)
         presenter.onSignIn()
+
         verify { loginStudentSelectView.showContent(false) }
         verify { loginStudentSelectView.showProgress(true) }
         verify { errorHandler.dispatch(match { testException.message == it.message }) }