Merge branch 'release/0.22.0' into master

2024-09-20 00:19:09 -05:00 · 2020-10-15 17:54:22 +02:00 · 2020-10-15 17:54:22 +02:00 · ddac1d0f98
commit ddac1d0f98
parent c362ad12c7 db6a359bea
48 changed files with 1097 additions and 197 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -3,8 +3,8 @@ jdk: oraclejdk8

 env:
 global:
-    - ANDROID_API_LEVEL=29
-    - ANDROID_BUILD_TOOLS_VERSION=29.0.3
+   - ANDROID_API_LEVEL=30
+   - ANDROID_BUILD_TOOLS_VERSION=30.0.2

 cache:
  directories:
@ -14,7 +14,7 @@ cache:
 branches:
  only:
    - develop
-    - 0.21.2
+    - 0.22.0

 android:
 licenses:
@ -28,22 +28,26 @@ android:
    - build-tools-$ANDROID_BUILD_TOOLS_VERSION
    # The SDK version used to compile your project
    - android-$ANDROID_API_LEVEL
-    # Additional components
+   # Additional components
    - extra-google-google_play_services
    - extra-google-m2repository
    - extra-android-m2repository
    - addon-google_apis-google-$ANDROID_API_LEVEL
-    # Android emulator
+   # Android emulator
    - android-22
    - sys-img-armeabi-v7a-android-22

+before_install:
+  - yes | sdkmanager "platforms;android-30"
+  - yes | sdkmanager "build-tools;30.0.2"
+
 before_script:
-    # Launch emulator before the execution
-    - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
-    - emulator -avd test -no-audio -no-window &
-    - android-wait-for-emulator
-    - adb shell input keyevent 82 &
-    - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"
+  # Launch emulator before the execution
+  - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
+  - emulator -avd test -no-audio -no-window &
+  - android-wait-for-emulator
+  - adb shell input keyevent 82 &
+  - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"

 script:
  - ./gradlew dependencies --stacktrace --daemon
--- a/README.en.md
+++ b/README.en.md
@ -32,14 +32,17 @@ Unofficial android VULCAN UONET+ register client for both students and their par

 ## Download

-You can download the current beta version from the Google Play or the F-Droid store
+You can download the current beta version from the Google Play, F-Droid or Huawei AppGallery store

 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Get it on Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Get it on Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
    alt="Get it on F-Droid"
    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Explore it on AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
    
 You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features being prepared for the next release

--- a/README.md
+++ b/README.md
@ -32,14 +32,17 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica

 ## Pobierz

-Aktualną wersję beta możesz pobrać ze sklepu Google Play lub F-Droid
+Aktualną wersję beta możesz pobrać ze sklepu Google Play, F-Droid lub Huawei AppGallery

 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Pobierz z Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Pobierz z Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
    alt="Pobierz z F-Droid"
    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Odkrywaj w AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)


 Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#download), która zawiera nowe funkcje przygotowywane do następnego wydania
--- a/app/build.gradle
+++ b/app/build.gradle
@ -10,16 +10,16 @@ apply from: 'sonarqube.gradle'
 apply from: 'hooks.gradle'

 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.3'
+    compileSdkVersion 30
+    buildToolsVersion '30.0.2'

    defaultConfig {
        applicationId "io.github.wulkanowy"
        testApplicationId "io.github.tests.wulkanowy"
        minSdkVersion 17
-        targetSdkVersion 29
-        versionCode 72
-        versionName "0.21.2"
+        targetSdkVersion 30
+        versionCode 73
+        versionName "0.22.0"
        multiDexEnabled true
        resValue "string", "app_name", "Wulkanowy"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@ -112,14 +112,15 @@ play {
    serviceAccountCredentials = file('key.p12')
    defaultToAppBundles = false
    track = 'alpha'
+    updatePriority = 0
 }

 ext {
    work_manager = "2.4.0"
    room = "2.2.5"
-    chucker = "3.2.0"
-    mockk = "1.10.0"
-    moshi = "1.9.3"
+    chucker = "3.3.0"
+    mockk = "1.10.2"
+    moshi = "1.11.0"
 }

 configurations.all {
@ -127,14 +128,14 @@ configurations.all {
 }

 dependencies {
-    implementation "io.github.wulkanowy:sdk:0.21.2"
+    implementation "io.github.wulkanowy:sdk:0.22.0"

    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10'

    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'

-    implementation "androidx.core:core-ktx:1.3.1"
+    implementation "androidx.core:core-ktx:1.3.2"
    implementation "androidx.activity:activity-ktx:1.1.0"
    implementation "androidx.appcompat:appcompat:1.2.0"
    implementation "androidx.appcompat:appcompat-resources:1.2.0"
@ -179,15 +180,16 @@ dependencies {
    implementation "fr.bipi.treessence:treessence:0.3.2"
    implementation "com.mikepenz:aboutlibraries-core:$about_libraries"
    implementation 'com.wdullaer:materialdatetimepicker:4.2.3'
-    implementation "io.coil-kt:coil:1.0.0-rc2"
+    implementation "io.coil-kt:coil:1.0.0-rc3"
    implementation "io.github.wulkanowy:AppKillerManager:3.0.0"
    implementation 'me.xdrop:fuzzywuzzy:1.3.1'

-    playImplementation 'com.google.firebase:firebase-analytics:17.5.0'
+    playImplementation 'com.google.firebase:firebase-analytics:17.6.0'
    playImplementation 'com.google.firebase:firebase-inappmessaging-display-ktx:19.1.1'
    playImplementation "com.google.firebase:firebase-inappmessaging-ktx:19.1.1"
-    playImplementation 'com.google.firebase:firebase-messaging:20.2.4'
-    playImplementation 'com.google.firebase:firebase-crashlytics:17.2.1'
+    playImplementation 'com.google.firebase:firebase-messaging:20.3.0'
+    playImplementation 'com.google.firebase:firebase-crashlytics:17.2.2'
+    playImplementation 'com.google.android.play:core-ktx:1.8.1'
    playImplementation 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'

    releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt
@ -0,0 +1,17 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.view.View
+import javax.inject.Inject
+
+@Suppress("UNUSED_PARAMETER")
+class UpdateHelper @Inject constructor() {
+
+    lateinit var messageContainer: View
+
+    fun checkAndInstallUpdates(activity: Activity) {}
+
+    fun onActivityResult(requestCode: Int, resultCode: Int) {}
+
+    fun onResume(activity: Activity) {}
+}
--- a/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
@ -33,7 +33,11 @@ internal class RepositoryModule {
            setSimpleHttpLogger { Timber.d(it) }

            // for debug only
-            addInterceptor(ChuckerInterceptor(context, chuckerCollector), true)
+            addInterceptor(ChuckerInterceptor(
+                context = context,
+                collector = chuckerCollector,
+                alwaysReadResponseBody = true
+            ), true)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
@ -72,18 +72,22 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
        withContext(dispatchersProvider.backgroundThread) {
            lessons.groupBy { it.date }
                .map { it.value.sortedBy { lesson -> lesson.start } }
-                .map { it.filter { lesson -> !lesson.canceled && lesson.isStudentPlan } }
+                .map { it.filter { lesson -> lesson.isStudentPlan } }
                .map { day ->
-                    day.forEachIndexed { index, lesson ->
-                        val intent = createIntent(student, lesson, day.getOrNull(index + 1))
+                    val canceled = day.filter { it.canceled }
+                    val active = day.filter { !it.canceled }
+
+                    cancelScheduled(canceled)
+                    active.forEachIndexed { index, lesson ->
+                        val intent = createIntent(student, lesson, active.getOrNull(index + 1))

                        if (lesson.start > now()) {
-                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_UPCOMING, getUpcomingLessonTime(index, day, lesson))
+                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_UPCOMING, getUpcomingLessonTime(index, active, lesson))
                        }

                        if (lesson.end > now()) {
                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_CURRENT, lesson.start)
-                            if (day.lastIndex == index) {
+                            if (active.lastIndex == index) {
                                scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION, lesson.end)
                            }
                        }
--- a/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt
@ -22,9 +22,11 @@ import io.github.wulkanowy.utils.getString
 import io.github.wulkanowy.utils.openAppInMarket
 import io.github.wulkanowy.utils.openEmailClient
 import io.github.wulkanowy.utils.openInternetBrowser
+import okhttp3.internal.http2.StreamResetException
 import java.io.InterruptedIOException
 import java.io.PrintWriter
 import java.io.StringWriter
+import java.net.ConnectException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 import javax.inject.Inject
@ -85,6 +87,8 @@ class ErrorDialog : BaseDialogFragment<DialogErrorBinding>() {
            errorDialogReport.isEnabled = when (error) {
                is UnknownHostException,
                is InterruptedIOException,
+                is ConnectException,
+                is StreamResetException,
                is SocketTimeoutException,
                is ServiceUnavailableException,
                is FeatureDisabledException,
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
@ -81,7 +81,10 @@ class GradeDetailsPresenter @Inject constructor(
        }.onEach {
            when (it.status) {
                Status.LOADING -> Timber.i("Select mark grades as read")
-                Status.SUCCESS -> Timber.i("Mark as read result: Success")
+                Status.SUCCESS -> {
+                    Timber.i("Mark as read result: Success")
+                    loadData(currentSemesterId, false)
+                }
                Status.ERROR -> {
                    Timber.i("Mark as read result: An exception occurred")
                    errorHandler.dispatch(it.error!!)
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
@ -14,6 +14,7 @@ import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
 import io.github.wulkanowy.ui.modules.login.recover.LoginRecoverFragment
 import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
 import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
+import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.setOnSelectPageListener
 import javax.inject.Inject

@ -25,6 +26,9 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi

    private val loginAdapter = BaseFragmentPagerAdapter(supportFragmentManager)

+    @Inject
+    lateinit var updateHelper: UpdateHelper
+
    companion object {

        fun getStartIntent(context: Context) = Intent(context, LoginActivity::class.java)
@ -37,8 +41,20 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
        setContentView(ActivityLoginBinding.inflate(layoutInflater).apply { binding = this }.root)
        setSupportActionBar(binding.loginToolbar)
        messageContainer = binding.loginContainer
+        updateHelper.messageContainer = binding.loginContainer

        presenter.onAttachView(this)
+        updateHelper.checkAndInstallUpdates(this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
    }

    override fun initView() {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt
@ -40,6 +40,7 @@ import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.safelyPopFragments
@ -56,6 +57,9 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
    @Inject
    lateinit var analytics: FirebaseAnalyticsHelper

+    @Inject
+    lateinit var updateHelper: UpdateHelper
+
    @Inject
    lateinit var appInfo: AppInfo

@ -100,6 +104,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
        setContentView(ActivityMainBinding.inflate(layoutInflater).apply { binding = this }.root)
        setSupportActionBar(binding.mainToolbar)
        messageContainer = binding.mainFragmentContainer
+        updateHelper.messageContainer = binding.mainFragmentContainer

        presenter.onAttachView(this, MainView.Section.values().singleOrNull { it.id == intent.getIntExtra(EXTRA_START_MENU, -1) })

@ -107,6 +112,18 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
            initialize(startMenuIndex, savedInstanceState)
            pushFragment(moreMenuFragments[startMenuMoreIndex])
        }
+        updateHelper.checkAndInstallUpdates(this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    @SuppressLint("NewApi")
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
        if (appInfo.systemVersion >= Build.VERSION_CODES.N_MR1) initShortcuts()
    }

@ -181,8 +198,8 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
        analytics.setCurrentScreen(this, name)
    }

-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        return if (item?.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
        else false
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
@ -174,7 +174,7 @@ class MessagePreviewFragment :

    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
    override fun printDocument(html: String, jobName: String) {
-        val webView = WebView(activity)
+        val webView = WebView(requireContext())
        webView.webViewClient = object : WebViewClient() {

            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest) = false
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt
@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.message.send

+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.graphics.Rect
@ -74,6 +75,7 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter, ActivitySendMessa
        presenter.onAttachView(this, intent.getSerializableExtra(EXTRA_MESSAGE) as? Message, intent.getSerializableExtra(EXTRA_REPLY) as? Boolean)
    }

+    @SuppressLint("ClickableViewAccessibility")
    override fun initView() {
        setUpExtendedHitArea()
        with(binding) {
@ -87,8 +89,8 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter, ActivitySendMessa
        return true
    }

-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        return if (item?.itemId == R.id.sendMessageMenuSend) presenter.onSend()
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.sendMessageMenuSend) presenter.onSend()
        else false
    }

--- 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
@ -22,7 +22,6 @@ import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.lang.NullPointerException
 import java.time.LocalDate
 import java.time.LocalDate.now
 import java.time.LocalDate.of
--- a/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
@ -22,32 +22,32 @@ private fun Bundle?.checkSavedState() = if (this == null) "(STATE IS NULL)" else

 class ActivityLifecycleLogger : Application.ActivityLifecycleCallbacks {

-    override fun onActivityPaused(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} PAUSED") }
+    override fun onActivityPaused(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} PAUSED")
    }

-    override fun onActivityResumed(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} RESUMED") }
+    override fun onActivityResumed(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} RESUMED")
    }

-    override fun onActivityStarted(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} STARTED") }
+    override fun onActivityStarted(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} STARTED")
    }

-    override fun onActivityDestroyed(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} DESTROYED") }
+    override fun onActivityDestroyed(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} DESTROYED")
    }

-    override fun onActivitySaveInstanceState(activity: Activity?, outState: Bundle?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} SAVED INSTANCE STATE") }
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {
+        Timber.d("${activity::class.java.simpleName} SAVED INSTANCE STATE")
    }

-    override fun onActivityStopped(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} STOPPED") }
+    override fun onActivityStopped(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} STOPPED")
    }

-    override fun onActivityCreated(activity: Activity?, savedInstanceState: Bundle?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} CREATED ${savedInstanceState.checkSavedState()}") }
+    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+        Timber.d("${activity::class.java.simpleName} CREATED ${savedInstanceState.checkSavedState()}")
    }
 }

--- a/app/src/main/java/io/github/wulkanowy/utils/ResourcesExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/ResourcesExtension.kt
@ -4,20 +4,26 @@ import android.content.res.Resources
 import io.github.wulkanowy.R
 import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
 import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.scrapper.exception.ScrapperException
 import io.github.wulkanowy.sdk.scrapper.exception.ServiceUnavailableException
+import io.github.wulkanowy.sdk.scrapper.exception.VulcanException
 import io.github.wulkanowy.sdk.scrapper.login.NotLoggedInException
 import io.github.wulkanowy.sdk.scrapper.login.PasswordChangeRequiredException
+import okhttp3.internal.http2.StreamResetException
 import java.io.InterruptedIOException
+import java.net.ConnectException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException

 fun Resources.getString(error: Throwable) = when (error) {
    is UnknownHostException -> getString(R.string.error_no_internet)
-    is SocketTimeoutException, is InterruptedIOException -> getString(R.string.error_timeout)
+    is SocketTimeoutException, is InterruptedIOException, is ConnectException, is StreamResetException -> getString(R.string.error_timeout)
    is NotLoggedInException -> getString(R.string.error_login_failed)
    is PasswordChangeRequiredException -> getString(R.string.error_password_change_required)
    is ServiceUnavailableException -> getString(R.string.error_service_unavailable)
    is FeatureDisabledException -> getString(R.string.error_feature_disabled)
    is FeatureNotAvailableException -> getString(R.string.error_feature_not_available)
+    is VulcanException -> getString(R.string.error_unknown_uonet)
+    is ScrapperException -> getString(R.string.error_unknown_app)
    else -> getString(R.string.error_unknown)
 }
--- a/app/src/main/play/release-notes/pl-PL/default.txt
+++ b/app/src/main/play/release-notes/pl-PL/default.txt
@ -1,10 +1,7 @@
-Wersja 0.21.2
- naprawiliśmy logowanie do tarnowskiego dziennika
- naprawiliśmy wyświetlanie podsumowania punktów klasy
- dodaliśmy skróty aplikacji
- dodaliśmy opcję pokazywania nazwy grupy w planie lekcji na liście
- dodaliśmy opcję pokazywania w ocenach przedmiotów bez ocen
- dodaliśmy dodatkowe opcje sortowania ocen
- dodaliśmy rozróżnianie powiadomień dla pochwał i uwag
+Wersja 0.22
+- naprawiliśmy krytyczny błąd ze stabilnością przy ładowaniu danych
+- naprawiliśmy skalowanie tekstu przy bardzo dużych jego rozmiarach
+- naprawiliśmy wyświetlanie powiadomień o odwołanych lekcjach (nie powinny się już pokazywać)
+- dodaliśmy informowanie o dostępności aktualizacji w aplikacji

 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/mainContainer"
    android:layout_width="match_parent"
@ -10,18 +10,19 @@
        style="@style/Widget.MaterialComponents.Toolbar.Surface"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-        app:contentInsetStartWithNavigation="0dp" />
+        app:contentInsetStartWithNavigation="0dp"
+        app:layout_constraintTop_toTopOf="parent" />

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/mainFragmentContainer"
        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginTop="?actionBarSize"
-        android:layout_marginBottom="@dimen/bottom_navigation_height" />
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/mainBottomNav"
+        app:layout_constraintTop_toBottomOf="@id/mainToolbar" />

    <com.aurelhubert.ahbottomnavigation.AHBottomNavigation
        android:id="@+id/mainBottomNav"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-        android:layout_gravity="bottom" />
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
+        app:layout_constraintBottom_toBottomOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/item_about.xml
+++ b/app/src/main/res/layout/item_about.xml
@ -33,7 +33,8 @@
    <TextView
        android:id="@+id/aboutItemSummary"
        android:layout_width="wrap_content"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
        android:layout_below="@id/aboutItemTitle"
        android:layout_marginEnd="16dp"
        android:layout_toEndOf="@id/aboutItemImage"
--- a/app/src/main/res/layout/item_attendance.xml
+++ b/app/src/main/res/layout/item_attendance.xml
@ -1,4 +1,4 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/attendanceItemContainer"
@ -15,10 +15,17 @@

    <LinearLayout
        android:id="@+id/attendanceItemNumberContainer"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
        android:gravity="center"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/attendanceItemDetailsContainer">

        <TextView
            android:id="@+id/attendanceItemNumber"
@ -48,38 +55,52 @@
            app:tint="?attr/colorOnSurface" />
    </LinearLayout>

-    <TextView
-        android:id="@+id/attendanceItemSubject"
-        android:layout_width="wrap_content"
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/attendanceItemDetailsContainer"
+        android:layout_width="0dp"
        android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
        android:layout_marginStart="10dp"
-        android:layout_marginEnd="40dp"
-        android:layout_toStartOf="@id/attendanceItemAlert"
-        android:layout_toEndOf="@+id/attendanceItemNumberContainer"
-        android:ellipsize="end"
-        android:maxLines="1"
-        android:textSize="17sp"
-        tools:text="Matematyka" />
+        android:layout_marginEnd="10dp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceItemAlert"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/attendanceItemNumberContainer"
+        app:layout_constraintTop_toTopOf="parent">

-    <TextView
-        android:id="@+id/attendanceItemDescription"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignStart="@id/attendanceItemSubject"
-        android:layout_alignBottom="@+id/attendanceItemNumberContainer"
-        android:maxLines="1"
-        android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="Present" />
+        <TextView
+            android:id="@+id/attendanceItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textSize="17sp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="Matematyka" />
+
+        <TextView
+            android:id="@+id/attendanceItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:maxLines="1"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constraintBottom_toBottomOf="@id/attendanceItemDetailsContainer"
+            app:layout_constraintStart_toStartOf="@id/attendanceItemDetailsContainer"
+            app:layout_constraintTop_toBottomOf="@id/attendanceItemSubject"
+            tools:text="Present" />
+    </androidx.constraintlayout.widget.ConstraintLayout>

    <ImageView
        android:id="@+id/attendanceItemAlert"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_marginTop="10dp"
+        app:layout_constraintBottom_toBottomOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintTop_toTopOf="@+id/attendanceItemDetailsContainer"
        app:srcCompat="@drawable/ic_all_mark"
        app:tint="?colorPrimary"
        tools:ignore="contentDescription" />
-</RelativeLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/item_attendance_summary_subject.xml
+++ b/app/src/main/res/layout/item_attendance_summary_subject.xml
@ -3,7 +3,8 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/attendanceSummaryItemSubject"
    android:layout_width="match_parent"
-    android:layout_height="48dp"
+    android:layout_height="wrap_content"
+    android:minHeight="48dp"
    android:gravity="start"
    android:maxLines="1"
    android:paddingLeft="16dp"
--- a/app/src/main/res/layout/item_completed_lesson.xml
+++ b/app/src/main/res/layout/item_completed_lesson.xml
@ -12,8 +12,11 @@

    <TextView
        android:id="@+id/completedLessonItemNumber"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
        android:layout_centerVertical="true"
        android:gravity="center"
        android:includeFontPadding="false"
@ -40,9 +43,9 @@
        android:id="@+id/completedLessonItemTopic"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
+        android:layout_below="@+id/completedLessonItemSubject"
        android:layout_alignStart="@id/completedLessonItemSubject"
        android:layout_alignEnd="@+id/completedLessonItemAlert"
-        android:layout_alignBottom="@+id/completedLessonItemNumber"
        android:layout_marginEnd="40dp"
        android:ellipsize="end"
        android:maxLines="1"
@ -56,7 +59,7 @@
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_centerVertical="true"
-        android:tint="?colorTimetableChange"
        app:srcCompat="@drawable/ic_timetable_swap"
+        app:tint="?colorTimetableChange"
        tools:ignore="contentDescription" />
 </RelativeLayout>
--- a/app/src/main/res/layout/item_grade_details.xml
+++ b/app/src/main/res/layout/item_grade_details.xml
@ -18,62 +18,82 @@

        <TextView
            android:id="@+id/gradeItemValue"
-            android:layout_width="45dp"
-            android:layout_height="40dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
            android:background="@color/grade_material_default"
            android:gravity="center"
            android:maxLength="5"
+            android:minWidth="45dp"
+            android:minHeight="40dp"
            android:textColor="@android:color/white"
            android:textSize="16sp"
-            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+            app:layout_constraintEnd_toStartOf="@+id/gradeDetailsContainer"
+            app:layout_constraintHorizontal_bias="0.5"
            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/gradeDetailsContainer"
            tools:text="6" />

-        <TextView
-            android:id="@+id/gradeItemDescription"
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/gradeDetailsContainer"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
-            android:layout_marginStart="10dp"
-            android:layout_marginEnd="20dp"
-            android:ellipsize="end"
-            android:maxLines="1"
-            android:textSize="14sp"
-            app:layout_constraintEnd_toStartOf="@id/gradeItemNote"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/gradeItemNote"
+            app:layout_constraintHorizontal_bias="0.5"
            app:layout_constraintStart_toEndOf="@+id/gradeItemValue"
-            app:layout_constraintTop_toTopOf="parent"
-            tools:text="@tools:sample/lorem" />
+            app:layout_constraintTop_toTopOf="parent">

-        <TextView
-            android:id="@+id/gradeItemDate"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:maxLines="1"
-            android:textSize="12sp"
-            app:layout_constraintBottom_toBottomOf="@+id/gradeItemValue"
-            app:layout_constraintStart_toStartOf="@+id/gradeItemDescription"
-            tools:text="@tools:sample/date/ddmmyy" />
+            <TextView
+                android:id="@+id/gradeItemDescription"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="20dp"
+                android:ellipsize="end"
+                android:maxLines="1"
+                android:textSize="14sp"
+                app:layout_constraintEnd_toEndOf="@id/gradeDetailsContainer"
+                app:layout_constraintStart_toStartOf="@id/gradeDetailsContainer"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:text="@tools:sample/lorem" />

-        <TextView
-            android:id="@+id/gradeItemWeight"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="10dp"
-            android:layout_marginEnd="20dp"
-            android:maxLines="1"
-            android:textSize="12sp"
-            app:layout_constraintBottom_toBottomOf="@+id/gradeItemValue"
-            app:layout_constraintEnd_toStartOf="@id/gradeItemNote"
-            app:layout_constraintStart_toEndOf="@+id/gradeItemDate"
-            tools:text="@tools:sample/lorem" />
+            <TextView
+                android:id="@+id/gradeItemDate"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:maxLines="1"
+                android:textSize="12sp"
+                app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+                app:layout_constraintStart_toStartOf="@+id/gradeItemDescription"
+                app:layout_constraintTop_toBottomOf="@+id/gradeItemDescription"
+                tools:text="@tools:sample/date/ddmmyy" />
+
+            <TextView
+                android:id="@+id/gradeItemWeight"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="20dp"
+                android:maxLines="1"
+                android:textSize="12sp"
+                app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+                app:layout_constraintEnd_toEndOf="@id/gradeDetailsContainer"
+                app:layout_constraintStart_toEndOf="@+id/gradeItemDate"
+                app:layout_constraintTop_toBottomOf="@+id/gradeItemDescription"
+                tools:text="@tools:sample/lorem" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>

        <ImageView
            android:id="@+id/gradeItemNote"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
+            app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/gradeDetailsContainer"
+            app:layout_constraintTop_toTopOf="@+id/gradeDetailsContainer"
            app:srcCompat="@drawable/ic_all_round_mark"
            app:tint="?colorPrimary"
            tools:ignore="contentDescription" />
--- a/app/src/main/res/layout/item_license.xml
+++ b/app/src/main/res/layout/item_license.xml
@ -2,7 +2,8 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
-    android:layout_height="64dp"
+    android:layout_height="wrap_content"
+    android:minHeight="64dp"
    android:background="?selectableItemBackground"
    android:orientation="vertical"
    android:paddingStart="16dp"
@ -14,7 +15,8 @@
    <TextView
        android:id="@+id/licenseItemName"
        android:layout_width="match_parent"
-        android:layout_height="28dp"
+        android:layout_height="wrap_content"
+        android:minHeight="28dp"
        android:ellipsize="end"
        android:gravity="bottom"
        android:singleLine="true"
@ -24,7 +26,8 @@
    <TextView
        android:id="@+id/licenseItemSummary"
        android:layout_width="match_parent"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
        android:gravity="bottom"
        android:textColor="?android:textColorSecondary"
        android:textSize="14sp"
--- a/app/src/main/res/layout/item_login_student_select.xml
+++ b/app/src/main/res/layout/item_login_student_select.xml
@ -48,7 +48,8 @@
    <TextView
        android:id="@+id/loginItemSignedIn"
        android:layout_width="wrap_content"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
        android:layout_below="@id/loginItemSchool"
        android:layout_marginEnd="16dp"
        android:layout_toEndOf="@id/loginItemCheck"
--- a/app/src/main/res/layout/item_mobile_device.xml
+++ b/app/src/main/res/layout/item_mobile_device.xml
@ -3,25 +3,30 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/mobileDevice_subitem_container"
    android:layout_width="match_parent"
-    android:layout_height="64dp"
+    android:layout_height="wrap_content"
+    android:minHeight="64dp"
    tools:context=".ui.modules.mobiledevice.MobileDeviceAdapter">

    <TextView
        android:id="@+id/mobileDeviceItemName"
        android:layout_width="match_parent"
-        android:layout_height="32dp"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
        android:layout_marginStart="16dp"
+        android:layout_marginTop="0dp"
        android:layout_toStartOf="@id/mobileDeviceItemUnregister"
        android:ellipsize="end"
        android:gravity="bottom"
        android:maxLines="1"
+        android:minHeight="32dp"
        android:textSize="16sp"
        tools:text="@tools:sample/lorem/random" />

    <TextView
        android:id="@+id/mobileDeviceItemDate"
        android:layout_width="match_parent"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
        android:layout_below="@id/mobileDeviceItemName"
        android:layout_marginStart="16dp"
        android:layout_toStartOf="@id/mobileDeviceItemUnregister"
--- a/app/src/main/res/layout/item_timetable.xml
+++ b/app/src/main/res/layout/item_timetable.xml
@ -13,8 +13,10 @@

    <TextView
        android:id="@+id/timetableItemNumber"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
        android:gravity="center"
        android:includeFontPadding="false"
        android:maxLength="2"
--- a/app/src/main/res/layout/item_timetable_small.xml
+++ b/app/src/main/res/layout/item_timetable_small.xml
@ -7,7 +7,8 @@

    <TextView
        android:id="@+id/timetableSmallItemNumber"
-        android:layout_width="40dp"
+        android:layout_width="wrap_content"
+        android:minWidth="40dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:gravity="center"
--- a/app/src/main/res/layout/item_widget_timetable_dark.xml
+++ b/app/src/main/res/layout/item_widget_timetable_dark.xml
@ -19,8 +19,10 @@

        <TextView
            android:id="@+id/timetableWidgetItemNumber"
-            android:layout_width="40dp"
-            android:layout_height="40dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minWidth="40dp"
+            android:minHeight="40dp"
            android:gravity="center"
            android:includeFontPadding="false"
            android:maxLength="2"
--- a/app/src/main/res/layout/item_widget_timetable_small.xml
+++ b/app/src/main/res/layout/item_widget_timetable_small.xml
@ -16,7 +16,8 @@

        <TextView
            android:id="@+id/timetableWidgetItemNumber"
-            android:layout_width="40dp"
+            android:layout_width="wrap_content"
+            android:minWidth="40dp"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:maxLength="2"
--- a/app/src/main/res/layout/item_widget_timetable_small_dark.xml
+++ b/app/src/main/res/layout/item_widget_timetable_small_dark.xml
@ -16,7 +16,8 @@

        <TextView
            android:id="@+id/timetableWidgetItemNumber"
-            android:layout_width="40dp"
+            android:layout_width="wrap_content"
+            android:minWidth="40dp"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:maxLength="2"
@ -29,7 +30,6 @@
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="6dp"
-            android:layout_marginLeft="6dp"
            android:maxLines="1"
            android:textColor="@android:color/white"
            android:textSize="13sp"
@ -46,7 +46,6 @@
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
            android:ellipsize="end"
            android:maxLines="1"
            android:textColor="@android:color/white"
@ -58,7 +57,6 @@
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
            android:maxLines="1"
            android:textColor="@android:color/white"
            android:textSize="15sp"
@ -69,7 +67,6 @@
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
            android:ellipsize="end"
            android:maxLines="1"
            android:textColor="@android:color/white"
--- a/app/src/main/res/layout/scrollable_header_about.xml
+++ b/app/src/main/res/layout/scrollable_header_about.xml
@ -3,7 +3,8 @@
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
-    android:layout_height="104dp"
+    android:layout_height="wrap_content"
+    android:minHeight="104dp"
    android:orientation="vertical"
    tools:context=".ui.modules.about.AboutAdapter">

--- a/app/src/main/res/values-cs-rCZ/preferences_values.xml
+++ b/app/src/main/res/values-cs-rCZ/preferences_values.xml
@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Světlý</item>
+        <item>Tmavý</item>
+        <item>Černý (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Jazyk systému</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 minut</item>
+        <item>30 minut</item>
+        <item>1 hodina</item>
+        <item>2 hodiny</item>
+        <item>6 hodin</item>
+        <item>12 hodin</item>
+        <item>24 hodin</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,00</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Abecedně</item>
+        <item>Podle data</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Barvy známek v deníku</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Průměrná známka od druhého semestru</item>
+        <item>Průměr známek z obou semestrů</item>
+        <item>Průměr známek z celého roku</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Neukaž</item>
+        <item>Ukázat vše</item>
+        <item>Ukázat menší</item>
+    </string-array>
+</resources>
--- a/app/src/main/res/values-cs-rCZ/strings.xml
+++ b/app/src/main/res/values-cs-rCZ/strings.xml
@ -0,0 +1,457 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Přihlásit se</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Známky</string>
+    <string name="attendance_title">Prezence</string>
+    <string name="exam_title">Zkoušky</string>
+    <string name="timetable_title">Plán lekce</string>
+    <string name="settings_title">Nastavení</string>
+    <string name="more_title">Více</string>
+    <string name="about_title">O aplikaci</string>
+    <string name="logviewer_title">Prohlížeč protokolů</string>
+    <string name="contributors_title">Tvůrci</string>
+    <string name="license_title">Licence</string>
+    <string name="message_title">Zprávy</string>
+    <string name="send_message_title">Nová zpráva</string>
+    <string name="note_title">Poznámky a úspěchy</string>
+    <string name="homework_title">Domácí práce</string>
+    <string name="account_title">Vyberte účet</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semestr %1$d, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Přihlaste se pomocí studentského nebo nadřazeného účtu</string>
+    <string name="login_header_symbol">Zadejte symbol</string>
+    <string name="login_nickname_hint">Uživatelské jméno</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Přihlášení, číslo PESEL nebo e-mail</string>
+    <string name="login_password_hint">Heslo</string>
+    <string name="login_host_hint">Deník UONET+</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybridní</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Klíč API</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Přihlásit</string>
+    <string name="login_invalid_password">Toto heslo je příliš krátké</string>
+    <string name="login_incorrect_password">Přihlašovací údaje jsou nesprávné. Zkontrolujte, zda je v poli níže vybrán správný deník UONET+</string>
+    <string name="login_invalid_pin">Neplatný PIN</string>
+    <string name="login_invalid_token">Neplatný token</string>
+    <string name="login_expired_token">Platnost tokenu vypršela</string>
+    <string name="login_invalid_email">Nesprávná e-mailová adresa</string>
+    <string name="login_invalid_login">Neplatné přihlášení</string>
+    <string name="login_invalid_symbol">Neplatný symbol</string>
+    <string name="login_incorrect_symbol">Student nebyl nalezen. Zkontrolujte symbol</string>
+    <string name="login_field_required">Toto pole je povinné</string>
+    <string name="login_duplicate_student">Vybraný student je již přihlášen</string>
+    <string name="login_symbol_helper">Symbol najdete na stránce deníku v&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b></string>
+    <string name="login_select_student">Vyberte studenty k přihlášení do aplikace</string>
+    <string name="login_advanced">Jiné možnosti</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí docházky, ospravedlnění nepřítomnosti, absolvované lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
+    <string name="login_advanced_warning_scraper">Tento režim zobrazuje stejná data, která se zobrazují na webových stránkách deníka</string>
+    <string name="login_advanced_warning_hybrid">Kombinace nejlepších vlastností ostatních dvou režimů. Funguje rychleji než scraper a poskytuje funkce, které nejsou k dispozici v režimu Mobile API. Je to v experimentální fázi</string>
+    <string name="login_privacy_policy">Zásady ochrany osobních údajů</string>
+    <string name="login_contact_header">Problémy s přihlášením? Napište nám!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Poslat e-mail</string>
+    <string name="login_email_details">Popište podrobnosti problému:</string>
+    <string name="login_recover_warning">Ujistěte se, že je vybrán správný UONET+ deník!</string>
+    <string name="login_recover_button">Zapomněl jsem své heslo</string>
+    <string name="login_recover_title">Obnovte svůj účet</string>
+    <string name="login_recover">Obnovit</string>
+    <string name="login_signed_in">Student je již přihlášen</string>
+    <!--Main-->
+    <string name="main_account_picker">Správce účtu</string>
+    <string name="main_log_in">Přihlásit se</string>
+    <string name="main_session_expired">Platnost relace vypršela</string>
+    <string name="main_session_relogin">Vaše relace vypršela, přihlaste se prosím znovu</string>
+    <!--Grade-->
+    <string name="grade_header">Známka</string>
+    <string name="grade_semester">Semestr %d</string>
+    <string name="grade_switch_semester">Změnit semestr</string>
+    <string name="grade_no_items">Žádné známky</string>
+    <string name="grade_weight">Váha</string>
+    <string name="grade_weight_value">Váha: %s</string>
+    <string name="grade_comment">Komentář</string>
+    <string name="grade_no_new_items">Žádné nové známky</string>
+    <string name="grade_number_new_items">Počet nových známek: %1$d</string>
+    <string name="grade_average">Průměrný: %1$.2f</string>
+    <string name="grade_points_sum">Body: %s</string>
+    <string name="grade_no_average">Žádný průměr</string>
+    <string name="grade_predicted">Předpovězeno: %1$s</string>
+    <string name="grade_final">Konečná: %1$s</string>
+    <string name="grade_summary_points">Celkem bodů</string>
+    <string name="grade_summary_final_grade">Konečná známka</string>
+    <string name="grade_summary_predicted_grade">Předpokládaná známka</string>
+    <string name="grade_summary_calculated_average">Vypočítaný průměr</string>
+    <string name="grade_summary_final_average">Konečný průměr</string>
+    <string name="grade_menu_summary">Souhrn</string>
+    <string name="grade_menu_statistics">Třída</string>
+    <string name="grade_menu_read">Označit jako přečtené</string>
+    <string name="grade_statistics_partial">Částečně</string>
+    <string name="grade_statistics_semester">Semestr</string>
+    <string name="grade_statistics_points">Body</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d známka</item>
+        <item quantity="few">%d známky</item>
+        <item quantity="many">%d známky</item>
+        <item quantity="other">%d známky</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Nová známka</item>
+        <item quantity="few">Nové známky</item>
+        <item quantity="many">Nové známky</item>
+        <item quantity="other">Nové známky</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Nová předpokládaná známka</item>
+        <item quantity="few">Nové předpovídané známky</item>
+        <item quantity="many">Nové předpovídané známky</item>
+        <item quantity="other">Nové předpovídané známky</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Nová konečná známka</item>
+        <item quantity="few">Nové konečné známky</item>
+        <item quantity="many">Nové konečné známky</item>
+        <item quantity="other">Nové konečné známky</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Máte %1$d novou známku</item>
+        <item quantity="few">Máte %1$d nové známky</item>
+        <item quantity="many">Máte %1$d nové známky</item>
+        <item quantity="other">Máte %1$d nové známky</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Máte %1$d novou konečnou známku</item>
+        <item quantity="few">Máte %1$d nové konečné známky</item>
+        <item quantity="many">Máte %1$d nové konečné známky</item>
+        <item quantity="other">Máte %1$d nové konečné známky</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Máte %1$d novou konečnou známku</item>
+        <item quantity="few">Máte %1$d nové konečné známky</item>
+        <item quantity="many">Máte %1$d nové konečné známky</item>
+        <item quantity="other">Máte %1$d nové konečné známky</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Lekce</string>
+    <string name="timetable_room">Pokoj</string>
+    <string name="timetable_group">Skupina</string>
+    <string name="timetable_time">Hodiny</string>
+    <string name="timetable_changes">Změny</string>
+    <string name="timetable_no_items">Dnes žádné lekce</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sek</string>
+    <string name="timetable_time_left">dosud %1$s</string>
+    <string name="timetable_time_until">za %1$s</string>
+    <string name="timetable_finished">Lekce skončila</string>
+    <string name="timetable_now">Nyní: %s</string>
+    <string name="timetable_next">Okamžik: %s</string>
+    <string name="timetable_later">Později: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Dokončené lekce</string>
+    <string name="completed_lessons_button">Zobrazit dokončené lekce</string>
+    <string name="completed_lessons_no_items">Žádné informace o absolvovaných lekcích</string>
+    <string name="completed_lessons_topic">Téma</string>
+    <string name="completed_lessons_absence">Absence</string>
+    <string name="completed_lessons_resources">Zdroje</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Souhrn docházky</string>
+    <string name="attendance_absence_school">Nepřítomen ze školních důvodů</string>
+    <string name="attendance_absence_excused">Omluvená absence</string>
+    <string name="attendance_absence_unexcused">Neomluvená absence</string>
+    <string name="attendance_exemption">Osvobození</string>
+    <string name="attendance_excused_lateness">Oprávněné zpoždění</string>
+    <string name="attendance_unexcused_lateness">Neomluvená zpoždění</string>
+    <string name="attendance_present">Přítomnost</string>
+    <string name="attendance_deleted">Smazáno</string>
+    <string name="attendance_unknown">Neznámý</string>
+    <string name="attendance_number">Číslo lekce</string>
+    <string name="attendance_no_items">Žádné položky</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d absence</item>
+        <item quantity="few">%1$d absence</item>
+        <item quantity="many">%1$d absence</item>
+        <item quantity="other">%1$d absence</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Důvod absence (volitelný)</string>
+    <string name="attendance_excuse_dialog_submit">Poslat</string>
+    <string name="attendance_excuse_success">Absence úspěšně omluvena!</string>
+    <string name="attendance_excuse_no_selection">Musíte vybrat alespoň jednu nepřítomnost!</string>
+    <string name="attendance_excuse_title">Ospravedlnit</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Účast</string>
+    <string name="attendance_summary_total">Celkový</string>
+    <!--Exam-->
+    <string name="exam_no_items">Tento týden žádné testy</string>
+    <string name="exam_type">Typ</string>
+    <string name="exam_entry_date">Datum vstupu</string>
+    <!--Message-->
+    <string name="message_inbox">Doručená pošta</string>
+    <string name="message_sent">Odesláno</string>
+    <string name="message_trash">Koš</string>
+    <string name="message_no_subject">(žádné téma)</string>
+    <string name="message_no_items">Žádné zprávy</string>
+    <string name="message_preview_error">Při stahování obsahu zprávy došlo k chybě</string>
+    <string name="message_from">Od:</string>
+    <string name="message_to">Do:</string>
+    <string name="message_date">Datum: %s</string>
+    <string name="message_reply">Odpověď</string>
+    <string name="message_forward">Poslat dále</string>
+    <string name="message_delete">Vymazat</string>
+    <string name="message_move_to_bin">Přesunout do koše</string>
+    <string name="message_delete_forever">Trvale smazat</string>
+    <string name="message_delete_success">Zpráva byla úspěšně smazána</string>
+    <string name="message_share">Podíl</string>
+    <string name="message_print">Vytisknout</string>
+    <string name="message_subject">Téma</string>
+    <string name="message_content">Obsah</string>
+    <string name="message_send_successful">Zpráva úspěšně odeslána</string>
+    <string name="message_required_recipients">Musíte vybrat alespoň 1 příjemce</string>
+    <string name="message_content_min_length">Obsah zprávy musí mít alespoň 3 znaky</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d zpráva</item>
+        <item quantity="few">%d zprávy</item>
+        <item quantity="many">%d zprávy</item>
+        <item quantity="other">%d zprávy</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Nová zpráva</item>
+        <item quantity="few">Nové zprávy</item>
+        <item quantity="many">Nové zprávy</item>
+        <item quantity="other">Nové zprávy</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Obdrželi jste %1$d zprávu</item>
+        <item quantity="few">Obdrželi jste %1$d zpráv</item>
+        <item quantity="many">Obdrželi jste %1$d zpráv</item>
+        <item quantity="other">Obdrželi jste %1$d zpráv</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Žádné informace o poznámkách</string>
+    <string name="note_points">Body</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d poznámka</item>
+        <item quantity="few">%d poznámky</item>
+        <item quantity="many">%d poznámky</item>
+        <item quantity="other">%d poznámky</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Nová poznámka</item>
+        <item quantity="few">Nové poznámky</item>
+        <item quantity="many">Nové poznámky</item>
+        <item quantity="other">Nové poznámky</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">Máte %1$d novou poznámku</item>
+        <item quantity="few">Máte %1$d nové poznámky</item>
+        <item quantity="many">Máte %1$d nové poznámky</item>
+        <item quantity="other">Máte %1$d nové poznámky</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d chvála</item>
+        <item quantity="few">%d chvály</item>
+        <item quantity="many">%d chvály</item>
+        <item quantity="other">%d chvály</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Nová chvála</item>
+        <item quantity="few">Nové chvály</item>
+        <item quantity="many">Nové chvály</item>
+        <item quantity="other">Nové chvály</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Máte %1$d novou chválu</item>
+        <item quantity="few">Máte %1$d nové chvály</item>
+        <item quantity="many">Máte %1$d nové chvály</item>
+        <item quantity="other">Máte %1$d nové chvály</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutrální poznámka</item>
+        <item quantity="few">%d neutrální poznámky</item>
+        <item quantity="many">%d neutrální poznámky</item>
+        <item quantity="other">%d neutrální poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Nová neutrální poznámka</item>
+        <item quantity="few">Nové neutrální poznámky</item>
+        <item quantity="many">Nové neutrální poznámky</item>
+        <item quantity="other">Nové neutrální poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Máte %1$d novou neutrální pozornost</item>
+        <item quantity="few">Máte %1$d nové neutrální komentáře</item>
+        <item quantity="many">Máte %1$d nové neutrální komentáře</item>
+        <item quantity="other">Máte %1$d nové neutrální komentáře</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Žádný domácí úkol</string>
+    <string name="homework_mark_as_done">Označit jako hotové</string>
+    <string name="homework_mark_as_undone">Neudělané</string>
+    <string name="homework_attachments">Přílohy</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Šťastné číslo</string>
+    <string name="lucky_number_header">Dnešní šťastné číslo je</string>
+    <string name="lucky_number_empty">Žádné informace o šťastném čísle</string>
+    <string name="lucky_number_notify_new_item_title">Šťastné číslo pro dnešek</string>
+    <string name="lucky_number_notify_new_item">Dnes je šťastným číslem: %d</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Mobilní přístup</string>
+    <string name="mobile_devices_no_items">Žádná zařízení</string>
+    <string name="mobile_devices_unregister">Zrušit registraci</string>
+    <string name="mobile_device_removed">Zařízení odstraněno</string>
+    <string name="mobile_device_qr">QR kód</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Škola a učitelé</string>
+    <!--School-->
+    <string name="school_title">Škola</string>
+    <string name="school_no_info">Žádné informace o škole</string>
+    <string name="school_name">Školní jméno</string>
+    <string name="school_address">Adresa školy</string>
+    <string name="school_telephone">Telefon</string>
+    <string name="school_headmaster">Jméno ředitele</string>
+    <string name="school_pedagogue">Jméno pedagoga</string>
+    <string name="school_address_button">Zobrazit na mapě</string>
+    <string name="school_telephone_button">Volání</string>
+    <!--Teacher-->
+    <string name="teachers_title">Učitelé</string>
+    <string name="teacher_no_items">Žádné informace o učitelích</string>
+    <string name="teacher_no_subject">Žádný předmět</string>
+    <!--Account-->
+    <string name="account_add_new">Přidat účet</string>
+    <string name="account_logout">Odhlásit se</string>
+    <string name="account_confirm">Chcete se odhlásit z aktivního studenta?</string>
+    <string name="account_logout_student">Odhlášení studentů</string>
+    <string name="account_type_student">Studentský účet</string>
+    <string name="account_type_parent">Rodičovský účet</string>
+    <string name="account_login_mobile_api">Režimu Mobíle API</string>
+    <string name="account_login_hybrid">Hybridní režim</string>
+    <!--About-->
+    <string name="about_version">Verze aplikace</string>
+    <string name="about_contributor">Tvůrci</string>
+    <string name="about_contributor_summary">Seznam vývojářů Wulkanowy</string>
+    <string name="about_feedback">Nahlásit chybu</string>
+    <string name="about_feedback_summary">Pošlete hlášení o chybě e-mailem</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Přečtěte si často kladené otázky</string>
+    <string name="about_discord">Server Discord</string>
+    <string name="about_discord_summary">Připojte se ke komunitě Wulkanowy</string>
+    <string name="about_privacy">Zásady ochrany osobních údajů</string>
+    <string name="about_privacy_summary">Pravidla pro shromažďování osobních údajů</string>
+    <string name="about_homepage">Domovská stránka</string>
+    <string name="about_homepage_summary">Navštivte web a pomozte s vývojem aplikace</string>
+    <string name="about_licenses">Licence</string>
+    <string name="about_licenses_summary">Licence knihoven použitých v aplikaci</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Licence</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Avatar</string>
+    <string name="contributor_see_more">Zobrazit více na GitHub</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Sdílejte protokoly</string>
+    <string name="logviewer_refresh">Obnovit</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Kontrola aktualizací</string>
+    <string name="dialog_error_check_update_message">Před nahlášením chyby nejprve zkontrolujte, zda je k dispozici aktualizace s opravou chyby</string>
+    <!--Generic-->
+    <string name="all_content">Obsah</string>
+    <string name="all_retry">Zkuste to znovu</string>
+    <string name="all_description">Popis</string>
+    <string name="all_no_description">Bez popisu</string>
+    <string name="all_teacher">Učitel</string>
+    <string name="all_date">Datum</string>
+    <string name="all_entry_date">Datum vstupu</string>
+    <string name="all_color">Barva</string>
+    <string name="all_details">Detaily</string>
+    <string name="all_category">Kategorie</string>
+    <string name="all_close">Zavřít</string>
+    <string name="all_no_data">Žádná data</string>
+    <string name="all_subject">Předmět</string>
+    <string name="all_prev">Předchozí</string>
+    <string name="all_next">Další</string>
+    <string name="all_search">Vyhledávání</string>
+    <string name="all_search_hint">Vyhledávání…</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Žádné lekce</string>
+    <string name="widget_timetable_theme_title">Vyberte téma</string>
+    <string name="widget_timetable_theme_light">Světlý</string>
+    <string name="widget_timetable_theme_dark">Tmavý</string>
+    <string name="widget_timetable_theme_system">Téma systému</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Vzhled</string>
+    <string name="pref_view_list">Výchozí zobrazení</string>
+    <string name="pref_view_grade_average_mode">Výpočet koncoročního průměru</string>
+    <string name="pref_view_grade_average_force_calc">Vynutit průměrný výpočet podle aplikace</string>
+    <string name="pref_view_present">Zobrazit přítomnost v účasti</string>
+    <string name="pref_view_app_theme">Téma aplikace</string>
+    <string name="pref_view_expand_grade">Rozbalit známky</string>
+    <string name="pref_view_timetable_show_timers">Označte aktuální lekci v plánu lekce</string>
+    <string name="pref_view_timetable_show_groups">Ukázat skupiny vedle předmětů v plánu lekce</string>
+    <string name="pref_view_grade_statistics_list">Ukázat seznam grafů ve třídních známkách</string>
+    <string name="pref_view_timetable_show_whole_class">Ukázat lekce pro celou třídu</string>
+    <string name="pref_view_subjects_without_grades">Ukázat předměty bez známek v \"Známky\"</string>
+    <string name="pref_view_grade_color_scheme">Známky barevné schéma</string>
+    <string name="pref_view_grade_sorting_mode">Předměty seřazené v \"Známky\"</string>
+    <string name="pref_view_app_language">Jazyk aplikace</string>
+    <string name="pref_notify_header">Oznámení</string>
+    <string name="pref_notify_switch">Ukázat notifikace</string>
+    <string name="pref_notify_upcoming_lessons_switch">Ukázat nadcházející oznámení o lekci</string>
+    <string name="pref_notify_fix_sync_issues">Opravte problémy se synchronizací a upozorněním</string>
+    <string name="pref_notify_fix_sync_issues_message">Ve vašem zařízení mohou nastat problémy se synchronizací dat a oznámenímii.\n\nChcete-li je opravit, přidejte Wulkanowy do funkce Autostart a vypněte optimalizaci/úsporu baterie v nastavení systému telefonu.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Jdi do nastavení</string>
+    <string name="pref_notify_debug_switch">Ukázat oznámení o ladění</string>
+    <string name="pref_services_header">Synchronizace</string>
+    <string name="pref_services_switch">Automatická aktualizace</string>
+    <string name="pref_services_suspended">Pozastaveno na dovolené</string>
+    <string name="pref_services_interval">Interval aktualizací</string>
+    <string name="pref_services_wifi">Pouze Wi-Fi</string>
+    <string name="pref_services_force_sync">Nyní synchronizovat</string>
+    <string name="pref_services_message_sync_success">Synchronizováno!</string>
+    <string name="pref_services_message_sync_failed">Synchronizace se nezdařila</string>
+    <string name="pref_services_sync_in_progress">Probíhá synchronizace</string>
+    <string name="pref_services_dialog_force_sync_title">Synchronizace</string>
+    <string name="pref_services_dialog_force_sync_summary">        Ruční synchronizace neobnoví zobrazení aplikace.
+        \nChcete-li zobrazit synchronizovaná data, restartujte aplikaci po synchronizaci.
+    </string>
+    <string name="pref_other_header">Jiný</string>
+    <string name="pref_other_grade_modifier_plus">Hodnota plusu</string>
+    <string name="pref_other_grade_modifier_minus">Hodnota mínusu</string>
+    <string name="pref_other_fill_message_content">Odpovědět s historií zpráv</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Nové položky v deník</string>
+    <string name="channel_new_grades">Nové známky</string>
+    <string name="channel_lucky_number">Šťastné číslo</string>
+    <string name="channel_new_message">Nové zprávy</string>
+    <string name="channel_new_notes">Nové poznámky</string>
+    <string name="channel_push">Oznámení push</string>
+    <string name="channel_upcoming_lessons">Nadcházející lekce</string>
+    <string name="channel_debug">Ladění</string>
+    <!--Colors-->
+    <string name="all_black">Černý</string>
+    <string name="all_red">Červený</string>
+    <string name="all_blue">Modrý</string>
+    <string name="all_green">Zelený</string>
+    <string name="all_purple">Nachový</string>
+    <string name="all_empty_color">Žádná barva</string>
+    <!--Others-->
+    <string name="all_copied">Zkopírováno</string>
+    <string name="all_undo">Vrátit</string>
+    <!--Errors-->
+    <string name="error_no_internet">Žádné internetové připojení</string>
+    <string name="error_timeout">Vypršel časový limit připojení k denik</string>
+    <string name="error_login_failed">Přihlášení selhalo. Zkuste to znovu nebo restartujte aplikaci</string>
+    <string name="error_password_change_required">Je vyžadována změna hesla</string>
+    <string name="error_service_unavailable">Probíhá údržba UONET+ deník. Zkuste to později znovu</string>
+    <string name="error_unknown">Došlo k neočekávané chybě</string>
+    <string name="error_feature_disabled">Funkce deaktivována vaší školou</string>
+    <string name="error_feature_not_available">Funkce není k dispozici. Přihlaste se v jiném režimu než Mobile API</string>
+</resources>
--- a/app/src/main/res/values-de/preferences_values.xml
+++ b/app/src/main/res/values-de/preferences_values.xml
@ -12,6 +12,7 @@
        <item>Pусский</item>
        <item>Українська</item>
        <item>Deutsch</item>
+        <item>Čeština</item>
    </string-array>
    <string-array name="services_interval_entries">
        <item>15 Minuten</item>
@ -29,6 +30,10 @@
        <item>0,5</item>
        <item>0,75</item>
    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Alphabetic</item>
+        <item>By date</item>
+    </string-array>
    <string-array name="grade_color_scheme_entries">
        <item>Dzienniczek+</item>
        <item>Wulkanowy</item>
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@ -154,6 +154,8 @@
    <string name="attendance_excused_lateness">Entschuldigte Verspätung</string>
    <string name="attendance_unexcused_lateness">Unentschuldigte Verspätung</string>
    <string name="attendance_present">Anwesend</string>
+    <string name="attendance_deleted">Deleted</string>
+    <string name="attendance_unknown">Unknown</string>
    <string name="attendance_number">Lektion Nummer</string>
    <string name="attendance_no_items">Keine Einträgen</string>
    <plurals name="attendance_number_absences">
@ -222,6 +224,32 @@
        <item quantity="one">Du hast %1$d Eintrag bekommen</item>
        <item quantity="other">Du hast %1$d Eintragen bekommen</item>
    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d praise</item>
+        <item quantity="other">%d praises</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">New praise</item>
+        <item quantity="other">New praises</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">You received %1$d praise</item>
+        <item quantity="other">You received %1$d praises</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutral note</item>
+        <item quantity="other">%d neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">New neutral note</item>
+        <item quantity="other">New neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">You received %1$d neutral note</item>
+        <item quantity="other">You received %1$d neutral notes</item>
+    </plurals>
    <!--Homework-->
    <string name="homework_no_items">Keine Informationen über Hausaufgaben</string>
    <string name="homework_mark_as_done">Gemacht</string>
@ -327,9 +355,12 @@
    <string name="pref_view_app_theme">Thema der Anwendung</string>
    <string name="pref_view_expand_grade">Noten erweitern</string>
    <string name="pref_view_timetable_show_timers">Aktuelle Lektion im Stundenplan markieren</string>
+    <string name="pref_view_timetable_show_groups">Show groups next to subjects in timetable</string>
    <string name="pref_view_grade_statistics_list">Liste der Diagramme in Klassenbewertungen anzeigen</string>
    <string name="pref_view_timetable_show_whole_class">Unterricht der ganzen Klasse anzeigen</string>
+    <string name="pref_view_subjects_without_grades">Show subjects without grades in Grades</string>
    <string name="pref_view_grade_color_scheme">Farbschema der Noten</string>
+    <string name="pref_view_grade_sorting_mode">Subjects sorting in \"Grades\"</string>
    <string name="pref_view_app_language">App Sprache</string>
    <string name="pref_notify_header">Benachrichtigungen</string>
    <string name="pref_notify_switch">Benachrichtigungen anzeigen</string>
--- a/app/src/main/res/values-pl/preferences_values.xml
+++ b/app/src/main/res/values-pl/preferences_values.xml
@ -12,6 +12,7 @@
        <item>Pусский</item>
        <item>Українська</item>
        <item>Deutsch</item>
+        <item>Čeština</item>
    </string-array>
    <string-array name="services_interval_entries">
        <item>15 minut</item>
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@ -400,7 +400,7 @@
    <string name="pref_view_timetable_show_whole_class">Pokazuj lekcje całej klasy</string>
    <string name="pref_view_subjects_without_grades">Pokazuj przedmioty bez ocen w Oceny</string>
    <string name="pref_view_grade_color_scheme">Schemat kolorów ocen</string>
-    <string name="pref_view_grade_sorting_mode">Sortowanie przedmiotów w "Oceny"</string>
+    <string name="pref_view_grade_sorting_mode">Sortowanie przedmiotów w \"Oceny\"</string>
    <string name="pref_view_app_language">Język aplikacji</string>
    <string name="pref_notify_header">Powiadomienia</string>
    <string name="pref_notify_switch">Pokazuj powiadomienia</string>
@ -448,9 +448,11 @@
    <!--Errors-->
    <string name="error_no_internet">Brak połączenia z internetem</string>
    <string name="error_timeout">Upłynął limit czasu na połączenie z dziennikiem</string>
-    <string name="error_login_failed">Logowanie nie powiodło się. Spróbuj ponownie lub zrestartuj aplikację</string>
+    <string name="error_login_failed">Logowanie nie powiodło się. Spróbuj ponownie</string>
    <string name="error_password_change_required">Wymagana zmiana hasła</string>
    <string name="error_service_unavailable">Trwa przerwa techniczna dziennika UONET+. Spróbuj ponownie później</string>
+    <string name="error_unknown_uonet">Wystąpił nieznany błąd dziennika UONET+. Spróbuj ponownie później</string>
+    <string name="error_unknown_app">Wystąpił nieznany błąd aplikacji</string>
    <string name="error_unknown">Wystąpił nieoczekiwany błąd</string>
    <string name="error_feature_disabled">Funkcja wyłączona przez szkołę</string>
    <string name="error_feature_not_available">Funkcja niedostępna. Zaloguj się w trybie innym niż Mobilne API</string>
--- a/app/src/main/res/values-ru/preferences_values.xml
+++ b/app/src/main/res/values-ru/preferences_values.xml
@ -12,6 +12,7 @@
        <item>Pусский</item>
        <item>Українська</item>
        <item>Deutsch</item>
+        <item>Čeština</item>
    </string-array>
    <string-array name="services_interval_entries">
        <item>15 минут</item>
@ -29,6 +30,10 @@
        <item>0,5</item>
        <item>0,75</item>
    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Алфавитный</item>
+        <item>По дате</item>
+    </string-array>
    <string-array name="grade_color_scheme_entries">
        <item>Dzienniczek+</item>
        <item>Wulkanowy</item>
@ -36,8 +41,8 @@
    </string-array>
    <string-array name="grade_average_mode_entries">
        <item>Средняя оценка со 2 семестра</item>
-        <item>Average of grades from both semesters</item>
-        <item>Average of grades from the whole year</item>
+        <item>Средняя оценка с двух семестров</item>
+        <item>Средняя оценок со всего года</item>
    </string-array>
    <string-array name="timetable_show_whole_class_entries">
        <item>Не показывать</item>
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@ -108,16 +108,16 @@
        <item quantity="other">Новые оценки</item>
    </plurals>
    <plurals name="grade_new_items_predicted">
-        <item quantity="one">New predicted grade</item>
-        <item quantity="few">New predicted grades</item>
-        <item quantity="many">New predicted grades</item>
-        <item quantity="other">New predicted grades</item>
+        <item quantity="one">Новая ожидаемая оценка</item>
+        <item quantity="few">Новые ожидаемые оценки</item>
+        <item quantity="many">Новые ожидаемые оценки</item>
+        <item quantity="other">Новые ожидаемые оценки</item>
    </plurals>
    <plurals name="grade_new_items_final">
-        <item quantity="one">New final grade</item>
-        <item quantity="few">New final grades</item>
-        <item quantity="many">New final grades</item>
-        <item quantity="other">New final grades</item>
+        <item quantity="one">Новая итоговая оценка</item>
+        <item quantity="few">Новые итоговые оценки</item>
+        <item quantity="many">Новые итоговые оценки</item>
+        <item quantity="other">Новые итоговые оценки</item>
    </plurals>
    <plurals name="grade_notify_new_items">
        <item quantity="one">Вы получили %1$d оценку</item>
@ -126,16 +126,16 @@
        <item quantity="other">Вы получили %1$d оценок</item>
    </plurals>
    <plurals name="grade_notify_new_items_predicted">
-        <item quantity="one">You received %1$d predicted grade</item>
-        <item quantity="few">You received %1$d predicted grades</item>
-        <item quantity="many">You received %1$d predicted grades</item>
-        <item quantity="other">You received %1$d predicted grades</item>
+        <item quantity="one">Вы получили %1$d ожидаемую оценку</item>
+        <item quantity="few">Вы получили %1$d ожидаемые оценки</item>
+        <item quantity="many">Вы получили %1$d ожидаемых оценок</item>
+        <item quantity="other">Вы получили %1$d ожидаемых оценок</item>
    </plurals>
    <plurals name="grade_notify_new_items_final">
-        <item quantity="one">You received %1$d final grade</item>
-        <item quantity="few">You received %1$d final grades</item>
-        <item quantity="many">You received %1$d final grades</item>
-        <item quantity="other">You received %1$d final grades</item>
+        <item quantity="one">Вы получили %1$d финальную оценку</item>
+        <item quantity="few">Вы получили %1$d итоговых оценки</item>
+        <item quantity="many">Вы получили %1$d итоговых оценок</item>
+        <item quantity="other">Вы получили %1$d финальные оценки</item>
    </plurals>
    <!--Timetable-->
    <string name="timetable_lesson">Урок</string>
@ -168,6 +168,8 @@
    <string name="attendance_excused_lateness">Опоздание по уважительным причинам</string>
    <string name="attendance_unexcused_lateness">Опоздание по неуважительным причинам</string>
    <string name="attendance_present">Присутствие</string>
+    <string name="attendance_deleted">Удалено</string>
+    <string name="attendance_unknown">Неизвестно</string>
    <string name="attendance_number">Урок №</string>
    <string name="attendance_no_items">Данные не найдены</string>
    <plurals name="attendance_number_absences">
@ -204,8 +206,8 @@
    <string name="message_move_to_bin">Перенести в корзину</string>
    <string name="message_delete_forever">Удалить навсегда</string>
    <string name="message_delete_success">Сообщение успешно удалено</string>
-    <string name="message_share">Share</string>
-    <string name="message_print">Print</string>
+    <string name="message_share">Поделиться</string>
+    <string name="message_print">Печать</string>
    <string name="message_subject">Тема</string>
    <string name="message_content">Текст</string>
    <string name="message_send_successful">Сообщение успешно отправлено</string>
@ -250,6 +252,44 @@
        <item quantity="many">Вы получили %1$d предупреждений</item>
        <item quantity="other">Вы получили %1$d предупреждений</item>
    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d похвала</item>
+        <item quantity="few">%d похвала</item>
+        <item quantity="many">%d похвала</item>
+        <item quantity="other">%d похвала</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Новая похвала</item>
+        <item quantity="few">Новые похвалы</item>
+        <item quantity="many">Новые свершения</item>
+        <item quantity="other">Новые похвалы</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Вы получили %1$d похвалу</item>
+        <item quantity="few">Вы получили %1$d похвалы</item>
+        <item quantity="many">Вы получили %1$d похвалы</item>
+        <item quantity="other">Вы получили %1$d похвалы</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d нейтральное замечание</item>
+        <item quantity="few">%d нейтральных замечания</item>
+        <item quantity="many">%d нейтральных замечаний</item>
+        <item quantity="other">%d нейтральных замечаний</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Новое нейтральное замечание</item>
+        <item quantity="few">Новые нейтральные замечания</item>
+        <item quantity="many">Новые нейтральные замечания</item>
+        <item quantity="other">Новые нейтральные замечания</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Вы получили %1$d нейтральное замечание</item>
+        <item quantity="few">Вы получили %1$d нейтральных замечания</item>
+        <item quantity="many">Вы получили %1$d нейтральных замечаний</item>
+        <item quantity="other">Вы получили %1$d нейтральных замечаний</item>
+    </plurals>
    <!--Homework-->
    <string name="homework_no_items">Нет домашних заданий</string>
    <string name="homework_mark_as_done">сделанный</string>
@ -291,10 +331,10 @@
    <string name="account_logout">Выйти</string>
    <string name="account_confirm">Вы точно хотите выйти из данного аккаунта?</string>
    <string name="account_logout_student">Выйти</string>
-    <string name="account_type_student">Student account</string>
-    <string name="account_type_parent">Parent account</string>
-    <string name="account_login_mobile_api">Mobile API mode</string>
-    <string name="account_login_hybrid">Hybrid mode</string>
+    <string name="account_type_student">Профиль ученика</string>
+    <string name="account_type_parent">Профиль родителя</string>
+    <string name="account_login_mobile_api">Режим Mobile API</string>
+    <string name="account_login_hybrid">Гибридный режим</string>
    <!--About-->
    <string name="about_version">Версия приложения</string>
    <string name="about_contributor">Разработчики</string>
@ -353,11 +393,14 @@
    <string name="pref_view_grade_average_force_calc">Принудительно высчитать среднюю оценку через приложение</string>
    <string name="pref_view_present">Показывать присутствия в посещаемости</string>
    <string name="pref_view_app_theme">Тема приложения</string>
-    <string name="pref_view_expand_grade">Больше оценок</string>
+    <string name="pref_view_expand_grade">Разворачивать оценки</string>
    <string name="pref_view_timetable_show_timers">Отмечать текущий урок в расписании</string>
+    <string name="pref_view_timetable_show_groups">Показать группу возле предмета в расписании</string>
    <string name="pref_view_grade_statistics_list">Показывать диаграммы в оценках класса</string>
    <string name="pref_view_timetable_show_whole_class">Показать уроки всего класса</string>
+    <string name="pref_view_subjects_without_grades">Показывать предметы без оценок в \"Оценках\"</string>
    <string name="pref_view_grade_color_scheme">Схема цветов оценок</string>
+    <string name="pref_view_grade_sorting_mode">Сортировка предметов в \"Оценках\"</string>
    <string name="pref_view_app_language">Язык приложения</string>
    <string name="pref_notify_header">Уведомления</string>
    <string name="pref_notify_switch">Показывать уведомления</string>
--- a/app/src/main/res/values-uk/preferences_values.xml
+++ b/app/src/main/res/values-uk/preferences_values.xml
@ -12,6 +12,7 @@
        <item>Pусский</item>
        <item>Українська</item>
        <item>Deutsch</item>
+        <item>Čeština</item>
    </string-array>
    <string-array name="services_interval_entries">
        <item>15 хвилин</item>
@ -29,6 +30,10 @@
        <item>0,5</item>
        <item>0,75</item>
    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Alphabetic</item>
+        <item>By date</item>
+    </string-array>
    <string-array name="grade_color_scheme_entries">
        <item>Dzienniczek+</item>
        <item>Wulkanowy</item>
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@ -168,6 +168,8 @@
    <string name="attendance_excused_lateness">Спізнення з поважних причин</string>
    <string name="attendance_unexcused_lateness">Спізнення з не поважних причин</string>
    <string name="attendance_present">Присутність</string>
+    <string name="attendance_deleted">Deleted</string>
+    <string name="attendance_unknown">Unknown</string>
    <string name="attendance_number">Номер уроку</string>
    <string name="attendance_no_items">Брак записів</string>
    <plurals name="attendance_number_absences">
@ -250,6 +252,44 @@
        <item quantity="many">%1$d нових зауважень</item>
        <item quantity="other">%1$d нових зауважень</item>
    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d praise</item>
+        <item quantity="few">%d praises</item>
+        <item quantity="many">%d praises</item>
+        <item quantity="other">%d praises</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">New praise</item>
+        <item quantity="few">New praises</item>
+        <item quantity="many">New praises</item>
+        <item quantity="other">New praises</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">You received %1$d praise</item>
+        <item quantity="few">You received %1$d praises</item>
+        <item quantity="many">You received %1$d praises</item>
+        <item quantity="other">You received %1$d praises</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutral note</item>
+        <item quantity="few">%d neutral notes</item>
+        <item quantity="many">%d neutral notes</item>
+        <item quantity="other">%d neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">New neutral note</item>
+        <item quantity="few">New neutral notes</item>
+        <item quantity="many">New neutral notes</item>
+        <item quantity="other">New neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">You received %1$d neutral note</item>
+        <item quantity="few">You received %1$d neutral notes</item>
+        <item quantity="many">You received %1$d neutral notes</item>
+        <item quantity="other">You received %1$d neutral notes</item>
+    </plurals>
    <!--Homework-->
    <string name="homework_no_items">Брак домашніх завдань</string>
    <string name="homework_mark_as_done">Позначити як зроблене</string>
@ -355,9 +395,12 @@
    <string name="pref_view_app_theme">Тема додатку</string>
    <string name="pref_view_expand_grade">Більше оцінок</string>
    <string name="pref_view_timetable_show_timers">Позначити поточний урок у розкладі</string>
+    <string name="pref_view_timetable_show_groups">Show groups next to subjects in timetable</string>
    <string name="pref_view_grade_statistics_list">Показувати діаграми в оцінках класу</string>
    <string name="pref_view_timetable_show_whole_class">Показати уроки всього класу</string>
+    <string name="pref_view_subjects_without_grades">Show subjects without grades in Grades</string>
    <string name="pref_view_grade_color_scheme">Схема кольорів оцінок</string>
+    <string name="pref_view_grade_sorting_mode">Subjects sorting in \"Grades\"</string>
    <string name="pref_view_app_language">Мова додатку</string>
    <string name="pref_notify_header">Повідомлення</string>
    <string name="pref_notify_switch">Показувати повідомлення</string>
--- a/app/src/main/res/values/preferences_values.xml
+++ b/app/src/main/res/values/preferences_values.xml
@ -31,6 +31,7 @@
        <item>Pусский</item>
        <item>Українська</item>
        <item>Deutsch</item>
+        <item>Čeština</item>
    </string-array>
    <string-array name="app_language_values" translatable="false">
        <item>system</item>
@ -39,6 +40,7 @@
        <item>ru</item>
        <item>uk</item>
        <item>de</item>
+        <item>cs</item>
    </string-array>

    <string-array name="services_interval_entries">
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -472,13 +472,21 @@
    <string name="all_copied">Copied</string>
    <string name="all_undo">Undo</string>

+    <!--Update helper-->
+    <string name="update_download_started">Start downloading update…</string>
+    <string name="update_download_success">An update has just been downloaded.</string>
+    <string name="update_download_success_button">Restart</string>
+    <string name="update_failed">Update failed! Wulkanowy may not function properly. Consider updating</string>
+

    <!--Errors-->
    <string name="error_no_internet">No internet connection</string>
    <string name="error_timeout">Connection to the register timed out</string>
-    <string name="error_login_failed">Login failed. Try again or restart the app</string>
+    <string name="error_login_failed">Login failed. Try again</string>
    <string name="error_password_change_required">Password change required</string>
    <string name="error_service_unavailable">Maintenance underway UONET + register. Try again later</string>
+    <string name="error_unknown_uonet">Unknown UONET + register error. Try again later</string>
+    <string name="error_unknown_app">Unknown application error</string>
    <string name="error_unknown">An unexpected error occurred</string>
    <string name="error_feature_disabled">Feature disabled by your school</string>
    <string name="error_feature_not_available">Feature not available. Login in a mode other than Mobile API</string>
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@ -23,7 +23,7 @@
        <item name="android:windowBackground">@drawable/layer_splash_background</item>
    </style>

-    <style name="WulkanowyTheme.WidgetAccountSwitcher" parent="Theme.MaterialComponents.Light.Dialog">
+    <style name="WulkanowyTheme.WidgetAccountSwitcher" parent="Theme.MaterialComponents.DayNight.Dialog">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorSecondary">@color/colorPrimary</item>
        <item name="windowActionBar">false</item>
--- a/app/src/play/java/io/github/wulkanowy/utils/UpdateHelper.kt
+++ b/app/src/play/java/io/github/wulkanowy/utils/UpdateHelper.kt
@ -0,0 +1,105 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.app.Activity.RESULT_OK
+import android.content.Context
+import android.view.View
+import android.widget.Toast
+import com.google.android.material.snackbar.Snackbar
+import com.google.android.play.core.appupdate.AppUpdateInfo
+import com.google.android.play.core.appupdate.AppUpdateManagerFactory
+import com.google.android.play.core.install.InstallStateUpdatedListener
+import com.google.android.play.core.install.model.AppUpdateType.FLEXIBLE
+import com.google.android.play.core.install.model.AppUpdateType.IMMEDIATE
+import com.google.android.play.core.install.model.InstallStatus.DOWNLOADED
+import com.google.android.play.core.install.model.InstallStatus.PENDING
+import com.google.android.play.core.install.model.UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS
+import com.google.android.play.core.install.model.UpdateAvailability.UPDATE_AVAILABLE
+import com.google.android.play.core.ktx.isFlexibleUpdateAllowed
+import com.google.android.play.core.ktx.isImmediateUpdateAllowed
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class UpdateHelper @Inject constructor(@ApplicationContext private val context: Context) {
+
+    lateinit var messageContainer: View
+
+    companion object {
+        const val IN_APP_UPDATE_REQUEST_CODE = 1721
+
+        const val DAYS_FOR_FLEXIBLE_UPDATE = 7
+        const val HIGH_PRIORITY_UPDATE = 4
+    }
+
+    private val appUpdateManager by lazy { AppUpdateManagerFactory.create(context) }
+
+    private val flexibleUpdateListener = InstallStateUpdatedListener { state ->
+        when (state.installStatus()) {
+            PENDING -> Toast.makeText(context, R.string.update_download_started, Toast.LENGTH_SHORT).show()
+            DOWNLOADED -> popupSnackBarForCompleteUpdate()
+            else -> Timber.d("Update state: ${state.installStatus()}")
+        }
+    }
+
+    private inline val AppUpdateInfo.isImmediateUpdateAvailable: Boolean
+        get() = updateAvailability() == UPDATE_AVAILABLE && isImmediateUpdateAllowed &&
+            updatePriority() >= HIGH_PRIORITY_UPDATE
+
+    private inline val AppUpdateInfo.isFlexibleUpdateAvailable: Boolean
+        get() = updateAvailability() == UPDATE_AVAILABLE && isFlexibleUpdateAllowed &&
+            clientVersionStalenessDays() ?: 0 >= DAYS_FOR_FLEXIBLE_UPDATE
+
+    fun checkAndInstallUpdates(activity: Activity) {
+        Timber.d("Checking for updates...")
+        appUpdateManager.appUpdateInfo.addOnSuccessListener { appUpdateInfo ->
+            when {
+                appUpdateInfo.isImmediateUpdateAvailable -> startUpdate(activity, appUpdateInfo, IMMEDIATE)
+                appUpdateInfo.isFlexibleUpdateAvailable -> {
+                    appUpdateManager.registerListener(flexibleUpdateListener)
+                    startUpdate(activity, appUpdateInfo, FLEXIBLE)
+                }
+                else -> Timber.d("No update available")
+            }
+        }
+    }
+
+    private fun startUpdate(activity: Activity, appUpdateInfo: AppUpdateInfo, updateType: Int) {
+        appUpdateManager.startUpdateFlowForResult(
+            appUpdateInfo, updateType, activity, IN_APP_UPDATE_REQUEST_CODE
+        )
+    }
+
+    fun onActivityResult(requestCode: Int, resultCode: Int) {
+        if (requestCode == IN_APP_UPDATE_REQUEST_CODE && resultCode != RESULT_OK) {
+            Timber.e("Update failed! Result code: $resultCode")
+            Toast.makeText(context, R.string.update_failed, Toast.LENGTH_LONG).show()
+        }
+    }
+
+    fun onResume(activity: Activity) {
+        appUpdateManager.appUpdateInfo.addOnSuccessListener { info ->
+            Timber.d("InAppUpdate.onResume() listener: $info")
+
+            when {
+                DOWNLOADED == info.installStatus() -> popupSnackBarForCompleteUpdate()
+                DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS == info.updateAvailability() -> {
+                    startUpdate(activity, info, if (info.isImmediateUpdateAvailable) IMMEDIATE else FLEXIBLE)
+                }
+            }
+        }
+    }
+
+    private fun popupSnackBarForCompleteUpdate() {
+        Snackbar.make(messageContainer, R.string.update_download_success, Snackbar.LENGTH_INDEFINITE).apply {
+            setAction(R.string.update_download_success_button) {
+                appUpdateManager.completeUpdate()
+                appUpdateManager.unregisterListener(flexibleUpdateListener)
+            }
+            show()
+        }
+    }
+}
--- a/appgallery_badge.png
+++ b/appgallery_badge.png
--- a/build.gradle
+++ b/build.gradle
@ -1,7 +1,7 @@
 buildscript {
    ext {
        kotlin_version = '1.4.10'
-        about_libraries = '8.3.0'
+        about_libraries = '8.4.2'
        hilt_version = "2.29.1-alpha"
    }
    repositories {
@ -12,11 +12,11 @@ buildscript {
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.0.2'
        classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
-        classpath 'com.google.gms:google-services:4.3.3'
+        classpath 'com.google.gms:google-services:4.3.4'
        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.3.0'
-        classpath "com.github.triplet.gradle:play-publisher:2.7.5"
+        classpath "com.github.triplet.gradle:play-publisher:2.8.0"
        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:3.0"
        classpath "gradle.plugin.com.star-zero.gradle:githook:1.2.0"
        classpath "com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:$about_libraries"