diff --git a/.gitignore b/.gitignore
index d3fb6e4e..5daeb6b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -113,3 +113,6 @@ Thumbs.db
 
 !/gradle/wrapper/gradle-wrapper.jar
 .idea/jarRepositories.xml
+
+
+app/src/release/agconnect-services.json
diff --git a/.travis.yml b/.travis.yml
index e383a74b..58fece97 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.22.0
+    - 0.22.1
 
 android:
  licenses:
diff --git a/app/build.gradle b/app/build.gradle
index b1ba7e62..ec508814 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -18,8 +18,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 17
         targetSdkVersion 30
-        versionCode 73
-        versionName "0.22.0"
+        versionCode 74
+        versionName "0.22.1"
         multiDexEnabled true
         resValue "string", "app_name", "Wulkanowy"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -69,12 +69,26 @@ android {
     flavorDimensions "platform"
 
     productFlavors {
+        hms {
+            dimension "platform"
+            minSdkVersion 19
+            manifestPlaceholders = [
+                    install_channel: "AppGallery"
+            ]
+        }
+
         play {
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "Google Play"
+            ]
         }
 
         fdroid {
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "F-Droid"
+            ]
         }
     }
 
@@ -112,7 +126,7 @@ play {
     serviceAccountCredentials = file('key.p12')
     defaultToAppBundles = false
     track = 'alpha'
-    updatePriority = 0
+    updatePriority = 1
 }
 
 ext {
@@ -128,7 +142,7 @@ configurations.all {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:0.22.0"
+    implementation "io.github.wulkanowy:sdk:0.22.1"
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10'
 
@@ -192,12 +206,15 @@ dependencies {
     playImplementation 'com.google.android.play:core-ktx:1.8.1'
     playImplementation 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
 
+    hmsImplementation 'com.huawei.hms:hianalytics:5.0.4.300'
+    hmsImplementation 'com.huawei.agconnect:agconnect-crash:1.4.1.300'
+
     releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
 
     debugImplementation "com.github.ChuckerTeam.Chucker:library:$chucker"
     debugImplementation "com.amitshekhar.android:debug-db:1.0.6"
 
-    testImplementation "junit:junit:4.13"
+    testImplementation "junit:junit:4.13.1"
     testImplementation "io.mockk:mockk:$mockk"
     testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.3.9'
 
@@ -210,3 +227,4 @@ dependencies {
 }
 
 apply plugin: 'com.google.gms.google-services'
+apply plugin: 'com.huawei.agconnect'
diff --git a/app/src/debug/agconnect-services.json b/app/src/debug/agconnect-services.json
new file mode 100644
index 00000000..48192df0
--- /dev/null
+++ b/app/src/debug/agconnect-services.json
@@ -0,0 +1,33 @@
+{
+	"agcgw":{
+		"backurl":"connect-dre.dbankcloud.cn",
+		"url":"connect-dre.hispace.hicloud.com"
+	},
+	"client":{
+		"cp_id":"890048000024105546",
+		"product_id":"",
+		"client_id":"",
+		"client_secret":"",
+		"app_id":"101440411",
+		"package_name":"io.github.wulkanowy.dev",
+		"api_key":""
+	},
+	"service":{
+		"analytics":{
+			"collector_url":"datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
+			"resource_id":"p1",
+			"channel_id":""
+		},
+		"search":{
+			"url":"https://search-dre.cloud.huawei.com"
+		},
+		"cloudstorage":{
+			"storage_url":"https://ops-dre.agcstorage.link"
+		},
+		"ml":{
+			"mlservice_url":"ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
+		}
+	},
+	"region":"DE",
+	"configuration_version":"1.0"
+}
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
similarity index 86%
rename from app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
rename to app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
index f23645bc..0cd9a52e 100644
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -6,7 +6,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Suppress("UNUSED_PARAMETER")
-class FirebaseAnalyticsHelper @Inject constructor() {
+class AnalyticsHelper @Inject constructor() {
 
     fun logEvent(name: String, vararg params: Pair<String, Any?>) {
         // do nothing
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt
similarity index 71%
rename from app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
rename to app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt
index d03a319a..5d58270d 100644
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt
@@ -8,6 +8,6 @@ open class TimberTreeNoOp : Timber.Tree() {
     override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {}
 }
 
-class CrashlyticsTree : TimberTreeNoOp()
+class CrashLogTree : TimberTreeNoOp()
 
-class CrashlyticsExceptionTree : TimberTreeNoOp()
+class CrashLogExceptionTree : TimberTreeNoOp()
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt b/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
new file mode 100644
index 00000000..b3cecf24
--- /dev/null
+++ b/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -0,0 +1,38 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.content.Context
+import android.os.Bundle
+import com.huawei.hms.analytics.HiAnalytics
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AnalyticsHelper @Inject constructor(
+    @ApplicationContext private val context: Context
+) {
+
+    private val analytics by lazy { HiAnalytics.getInstance(context) }
+
+    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
+        Bundle().apply {
+            params.forEach {
+                if (it.second == null) return@forEach
+                when (it.second) {
+                    is String, is String? -> putString(it.first, it.second as String)
+                    is Int, is Int? -> putInt(it.first, it.second as Int)
+                    is Boolean, is Boolean? -> putBoolean(it.first, it.second as Boolean)
+                }
+            }
+            analytics.onEvent(name, this)
+        }
+    }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        analytics.onEvent("screen_view", Bundle().apply {
+            putString("screen_name", name)
+            putString("screen_class", activity::class.simpleName)
+        })
+    }
+}
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt b/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt
new file mode 100644
index 00000000..7f4bedae
--- /dev/null
+++ b/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt
@@ -0,0 +1,52 @@
+package io.github.wulkanowy.utils
+
+import android.util.Log
+import com.huawei.agconnect.crash.AGConnectCrash
+import fr.bipi.tressence.base.FormatterPriorityTree
+import fr.bipi.tressence.common.StackTraceRecorder
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import java.io.InterruptedIOException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+
+class CrashLogTree : FormatterPriorityTree(Log.VERBOSE) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        connectCrash.log(format(priority, tag, message))
+    }
+}
+
+class CrashLogExceptionTree : FormatterPriorityTree(Log.ERROR) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun skipLog(priority: Int, tag: String?, message: String, t: Throwable?): Boolean {
+        return when (t) {
+            is FeatureDisabledException,
+            is FeatureNotAvailableException,
+            is UnknownHostException,
+            is SocketTimeoutException,
+            is InterruptedIOException -> true
+            else -> super.skipLog(priority, tag, message, t)
+        }
+    }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        connectCrash.setCustomKey("priority", priority)
+        connectCrash.setCustomKey("tag", tag.orEmpty())
+        connectCrash.setCustomKey("message", message)
+        connectCrash.log(priority, t?.stackTraceToString())
+        if (t != null) {
+            connectCrash.log(priority, t.stackTraceToString())
+        } else {
+            connectCrash.log(priority, StackTraceRecorder(format(priority, tag, message)).stackTraceToString())
+        }
+    }
+}
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt b/app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt
new file mode 100644
index 00000000..3abab962
--- /dev/null
+++ b/app/src/hms/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) {}
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4ec2f781..a8d2b49e 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -110,6 +110,11 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
+        <meta-data
+            android:name="install_channel"
+            android:value="${install_channel}">
+        </meta-data>
+
         <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
         <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
         <provider
diff --git a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
index 64995858..57d14725 100644
--- a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
+++ b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
@@ -14,8 +14,8 @@ import fr.bipi.tressence.file.FileLoggerTree
 import io.github.wulkanowy.ui.base.ThemeManager
 import io.github.wulkanowy.utils.ActivityLifecycleLogger
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.CrashlyticsExceptionTree
-import io.github.wulkanowy.utils.CrashlyticsTree
+import io.github.wulkanowy.utils.CrashLogExceptionTree
+import io.github.wulkanowy.utils.CrashLogTree
 import io.github.wulkanowy.utils.DebugLogTree
 import timber.log.Timber
 import javax.inject.Inject
@@ -56,8 +56,8 @@ class WulkanowyApp : Application(), Configuration.Provider {
                 .build()
             )
         } else {
-            Timber.plant(CrashlyticsExceptionTree())
-            Timber.plant(CrashlyticsTree())
+            Timber.plant(CrashLogExceptionTree())
+            Timber.plant(CrashLogTree())
         }
         registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
index 24e59d36..cd08b67e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -12,7 +12,7 @@ class AboutPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val appInfo: AppInfo,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AboutView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AboutView) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
index 158f08ba..19f8523d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -34,7 +34,7 @@ class AttendancePresenter @Inject constructor(
     private val attendanceRepository: AttendanceRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AttendanceView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().previousOrSameSchoolDay
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
index e5dce9ac..4ce49d96 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
@@ -8,7 +8,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -22,7 +22,7 @@ class AttendanceSummaryPresenter @Inject constructor(
     private val attendanceSummaryRepository: AttendanceSummaryRepository,
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
index f63316a8..406d011c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -30,7 +30,7 @@ class ExamPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val examRepository: ExamRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<ExamView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
index d4c9f210..e91c94eb 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.getCurrentOrLast
 import kotlinx.coroutines.delay
@@ -18,7 +18,7 @@ class GradePresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     var selectedIndex = 0
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt
index c129d948..6f932169 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt
@@ -40,10 +40,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
     }
 
     fun updateDetailsItem(position: Int, grade: Grade) {
-        if (items.getOrNull(position)?.viewType != ViewType.ITEM) {
-            Timber.e("Trying to update item $position on list ${items.size} size, expanded position: $expandedPosition")
-            return
-        }
         items[position] = GradeDetailsItem(grade, ViewType.ITEM)
         notifyItemChanged(position)
     }
@@ -62,10 +58,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
         val headerPosition = headers.indexOf(item)
         val itemPosition = items.indexOf(item)
 
-        if (headerPosition == NO_POSITION || itemPosition == NO_POSITION) {
-            Timber.e("Invalid update header positions! Header: $headerPosition, item: $itemPosition")
-        }
-
         headers[headerPosition] = item
         items[itemPosition] = item
         notifyItemChanged(itemPosition)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
index 28197496..479aff80 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
@@ -14,6 +14,7 @@ data class GradeDetailsHeader(
     val subject: String,
     val average: Double?,
     val pointsSum: String?,
-    var newGrades: Int,
     val grades: List<GradeDetailsItem>
-)
+) {
+    var newGrades = 0
+}
diff --git 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
index 9f4f8f26..a34dd7ac 100644
--- 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
@@ -13,7 +13,7 @@ import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
 import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.ALPHABETIC
 import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.DATE
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -29,7 +29,7 @@ class GradeDetailsPresenter @Inject constructor(
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository) {
 
     private var newGradesAmount: Int = 0
@@ -213,9 +213,10 @@ class GradeDetailsPresenter @Inject constructor(
                     subject = subject,
                     average = average,
                     pointsSum = points,
-                    newGrades = grades.filter { grade -> !grade.isRead }.size,
                     grades = subItems
-                ), ViewType.HEADER)) + if (preferencesRepository.isGradeExpandable) emptyList() else subItems
+                ).apply {
+                    newGrades = grades.filter { grade -> !grade.isRead }.size
+                }, ViewType.HEADER)) + if (preferencesRepository.isGradeExpandable) emptyList() else subItems
             }.flatten()
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
index 73cee9e9..2f46d21d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -23,7 +23,7 @@ class GradeStatisticsPresenter @Inject constructor(
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
index caa3cb84..7ce98d10 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +18,7 @@ class GradeSummaryPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
index 8af0d83f..f264d58e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -29,7 +29,7 @@ class HomeworkPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<HomeworkView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
index e485dd74..1d4dac2c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -17,7 +17,7 @@ class HomeworkDetailsPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
-    private val analytics: FirebaseAnalyticsHelper,
+    private val analytics: AnalyticsHelper,
     private val preferencesRepository: PreferencesRepository
 ) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository) {
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
index dfe82ad8..9dfc3011 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -17,7 +17,7 @@ import javax.inject.Inject
 class LoginAdvancedPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginAdvancedView>(loginErrorHandler, studentRepository) {
 
     override fun onAttachView(view: LoginAdvancedView) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
index b921140c..3e77cd77 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -15,7 +15,7 @@ import javax.inject.Inject
 class LoginFormPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
index e5837705..319541b8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.recover.RecoverRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -15,7 +15,7 @@ import javax.inject.Inject
 class LoginRecoverPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: RecoverErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper,
+    private val analytics: AnalyticsHelper,
     private val recoverRepository: RecoverRepository
 ) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository) {
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
index 1384f25a..dc824199 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
 import kotlinx.coroutines.flow.onEach
@@ -17,7 +17,7 @@ import javax.inject.Inject
 class LoginStudentSelectPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
index a2cda4fc..9f19539a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -16,7 +16,7 @@ import javax.inject.Inject
 class LoginSymbolPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
index 90aea441..cfd793f2 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
@@ -5,7 +5,7 @@ import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -16,7 +16,7 @@ class LuckyNumberPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val luckyNumberRepository: LuckyNumberRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
diff --git 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
index abc002de..245f3b16 100644
--- 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
@@ -39,7 +39,7 @@ import io.github.wulkanowy.ui.modules.more.MoreFragment
 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.AnalyticsHelper
 import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getThemeAttrColor
@@ -55,7 +55,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     override lateinit var presenter: MainPresenter
 
     @Inject
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     @Inject
     lateinit var updateHelper: UpdateHelper
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
index 8d5c9d67..7ea8197e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
@@ -8,7 +8,7 @@ import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.main.MainView.Section.GRADE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.MESSAGE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.SCHOOL
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -17,7 +17,7 @@ class MainPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val prefRepository: PreferencesRepository,
     private val syncManager: SyncManager,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MainView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: MainView, initMenu: MainView.Section?) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
index 7a633a2d..039c7f14 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
@@ -11,7 +11,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -24,7 +24,7 @@ class MessagePreviewPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
-    private val analytics: FirebaseAnalyticsHelper,
+    private val analytics: AnalyticsHelper,
     private var appInfo: AppInfo
 ) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository) {
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
index f877c809..e06c4963 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
@@ -11,7 +11,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.toFormattedString
@@ -27,7 +27,7 @@ class SendMessagePresenter @Inject constructor(
     private val reportingUnitRepository: ReportingUnitRepository,
     private val recipientRepository: RecipientRepository,
     private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<SendMessageView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: SendMessageView, message: Message?, reply: Boolean?) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
index 79062dcf..2143a488 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
@@ -8,7 +8,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.toFormattedString
@@ -32,7 +32,7 @@ class MessageTabPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MessageTabView>(errorHandler, studentRepository) {
 
     lateinit var folder: MessageFolder
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
index 6314c2c3..456609e4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -21,7 +21,7 @@ class MobileDevicePresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MobileDeviceView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
index f6d0de99..8270693d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +18,7 @@ class MobileDeviceTokenPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MobileDeviceTokenVIew>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MobileDeviceTokenVIew) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
index db3b495a..2e8bec5d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -21,7 +21,7 @@ class NotePresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val noteRepository: NoteRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<NoteView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
index 4cda5d33..554d422d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +18,7 @@ class SchoolPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val schoolRepository: SchoolRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<SchoolView>(errorHandler, studentRepository) {
 
     private var address: String? = null
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
index ff02116b..0c58317b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.teacher.TeacherRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +18,7 @@ class TeacherPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val teacherRepository: TeacherRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<TeacherView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
index 3d1e063e..e640dd60 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
@@ -9,7 +9,7 @@ import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.isHolidays
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.onEach
@@ -22,7 +22,7 @@ class SettingsPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val preferencesRepository: PreferencesRepository,
     private val timetableNotificationHelper: TimetableNotificationSchedulerHelper,
-    private val analytics: FirebaseAnalyticsHelper,
+    private val analytics: AnalyticsHelper,
     private val syncManager: SyncManager,
     private val chuckerCollector: ChuckerCollector,
     private val appInfo: AppInfo
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
index 9aebfd04..0e913acf 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -34,7 +34,7 @@ class TimetablePresenter @Inject constructor(
     private val timetableRepository: TimetableRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<TimetableView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
index f1c2cedc..e5551ed5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.completedlessons.CompletedLessonsRe
 import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -30,7 +30,7 @@ class CompletedLessonsPresenter @Inject constructor(
     private val completedLessonsErrorHandler: CompletedLessonsErrorHandler,
     private val semesterRepository: SemesterRepository,
     private val completedLessonsRepository: CompletedLessonsRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<CompletedLessonsView>(completedLessonsErrorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
index 60ad9d5c..18e0ea56 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
@@ -24,7 +24,7 @@ import io.github.wulkanowy.services.HiltBroadcastReceiver
 import io.github.wulkanowy.services.widgets.TimetableWidgetService
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
@@ -49,7 +49,7 @@ class TimetableWidgetProvider : HiltBroadcastReceiver() {
     lateinit var sharedPref: SharedPrefProvider
 
     @Inject
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     companion object {
 
diff --git a/app/src/main/play/release-notes/pl-PL/default.txt b/app/src/main/play/release-notes/pl-PL/default.txt
index e89c473f..f9f0d9bb 100644
--- a/app/src/main/play/release-notes/pl-PL/default.txt
+++ b/app/src/main/play/release-notes/pl-PL/default.txt
@@ -1,7 +1,6 @@
-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
+Wersja 0.22.1
+- naprawiliśmy problem z wyświetlaniem pozycji na liście ocen
+- zmieniliśmy komunikaty o błędach, które powinny być teraz czytelniejsze dla większej liczby użytkowników
+- zwiększyliśmy maksymalny czas, przez który aplikacja będzie próbowała łączyć się z dziennikiem do 1 minuty
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases
diff --git a/app/src/main/res/values-cs-rCZ/strings.xml b/app/src/main/res/values-cs-rCZ/strings.xml
index c55abd96..67babcd5 100644
--- a/app/src/main/res/values-cs-rCZ/strings.xml
+++ b/app/src/main/res/values-cs-rCZ/strings.xml
@@ -445,12 +445,19 @@
     <!--Others-->
     <string name="all_copied">Zkopírováno</string>
     <string name="all_undo">Vrátit</string>
+    <!--Update helper-->
+    <string name="update_download_started">Stahování aktualizací začalo…</string>
+    <string name="update_download_success">Aktualizace byla stažena.</string>
+    <string name="update_download_success_button">Restartovat</string>
+    <string name="update_failed">Aktualizace selhala! Wulkanowy nemusí fungovat správně. Zvažte aktualizaci</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_login_failed">Přihlášení selhalo. Zkus to znovu</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_uonet">Neznámá chyba denika UONET+. Prosím zkuste to znovu později</string>
+    <string name="error_unknown_app">Neznámá chyba aplikace</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>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index c33c273a..89af346c 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -405,12 +405,19 @@
     <!--Others-->
     <string name="all_copied">Kopiert</string>
     <string name="all_undo">lösen</string>
+    <!--Update helper-->
+    <string name="update_download_started">Download of updates has started…</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">Keine Internetverbindung</string>
     <string name="error_timeout">Das Zeitlimit für die Verbindung zum Klassenbuch ist abgelaufen</string>
-    <string name="error_login_failed">Anmeldung fehlgeschlagen. Versuchen Sie es noch einmal oder starten Sie die Anwendung neu.</string>
+    <string name="error_login_failed">Login failed. Try again</string>
     <string name="error_password_change_required">Passwortänderung erforderlich</string>
     <string name="error_service_unavailable">Wartung im Gange UONET + Klassenbuch. Versuchen Sie es später noch einmal</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">Ein unerwarteter Fehler ist aufgetreten</string>
     <string name="error_feature_disabled">Funktion, die von Ihrer Schule deaktiviert wurde</string>
     <string name="error_feature_not_available">Feature in diesem Modus nicht verfügbar</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 8dea2123..99fd05db 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -22,12 +22,12 @@
     <string name="grade_subtitle">Semestr %1$d, %2$d/%3$d</string>
     <!--Login-->
     <string name="login_header_default">Zaloguj się za pomocą konta ucznia lub rodzica</string>
-    <string name="login_header_symbol">Podaj symbol</string>
+    <string name="login_header_symbol">Podaj symbol ze strony dziennika</string>
     <string name="login_nickname_hint">Nazwa użytkownika</string>
     <string name="login_email_hint">Email</string>
     <string name="login_login_pesel_email_hint">Login, PESEL lub e-mail</string>
     <string name="login_password_hint">Hasło</string>
-    <string name="login_host_hint">Dziennik UONET+</string>
+    <string name="login_host_hint">Odmiana dziennika UONET+</string>
     <string name="login_type_api">Mobilne API</string>
     <string name="login_type_scrapper">Scraper</string>
     <string name="login_type_hybrid">Hybrydowe</string>
@@ -37,17 +37,17 @@
     <string name="login_symbol_hint">Symbol</string>
     <string name="login_sign_in">Zaloguj</string>
     <string name="login_invalid_password">To hasło jest za krótkie</string>
-    <string name="login_incorrect_password">Dane logowania są niepoprawne. Upewnij się, że został wybrany odpowiedni dziennik UONET+ w polu poniżej</string>
+    <string name="login_incorrect_password">Dane logowania są niepoprawne. Upewnij się, że została wybrana odpowiednia odmiana dziennika UONET+ w polu poniżej</string>
     <string name="login_invalid_pin">Nieprawidłowy PIN</string>
     <string name="login_invalid_token">Nieprawidłowy token</string>
     <string name="login_expired_token">Token stracił ważność</string>
     <string name="login_invalid_email">Niepoprawny adres email</string>
-    <string name="login_invalid_login">Niepoprawny login</string>
+    <string name="login_invalid_login">Użyj przydzielonego loginu zamiast emaila</string>
     <string name="login_invalid_symbol">Niepoprawny symbol</string>
-    <string name="login_incorrect_symbol">Nie znaleziono ucznia. Sprawdź symbol</string>
+    <string name="login_incorrect_symbol">Nie znaleziono ucznia. Sprawdź poprawność symbolu i wybranej odmiany dziennika UONET+</string>
     <string name="login_field_required">To pole jest wymagane</string>
     <string name="login_duplicate_student">Wybrany uczeń jest już zalogowany</string>
-    <string name="login_symbol_helper">Symbol znajdziesz na stronie dziennika w&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nUpewnij się, że w polu <b>Dziennik UONET+</b> na poprzednim ekranie został ustawiony odpowiedni dziennik</string>
+    <string name="login_symbol_helper">Symbol znajdziesz na stronie dziennika w&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nUpewnij się, że w polu <b>Dziennik UONET+</b> na poprzednim ekranie została ustawiona odpowiednia odmiana dziennika. Wulkanowy na chwilę obecną nie wykrywa uczniów przedszkolnych</string>
     <string name="login_select_student">Wybierz uczniów do zalogowania w aplikacji</string>
     <string name="login_advanced">Inne opcje</string>
     <string name="login_advanced_warning_mobile_api">W tym trybie nie działa szczęśliwy numerek, uczeń na tle klasy, podsumowanie frekwencji, usprawiedliwianie nieobecności, lekcje zrealizowane, informacje o szkole i podgląd listy zarejestrowanych urządzeń</string>
@@ -59,7 +59,7 @@
     <string name="login_contact_discord">Discord</string>
     <string name="login_email_intent_title">Wyślij email</string>
     <string name="login_email_details">Opisz problem:</string>
-    <string name="login_recover_warning">Upewnij się, że został wybrany odpowiedni dziennik UONET+!</string>
+    <string name="login_recover_warning">Upewnij się, że została wybrana odpowiednia odmiana dziennika UONET+!</string>
     <string name="login_recover_button">Nie pamiętam hasła</string>
     <string name="login_recover_title">Przywróć swoje konto</string>
     <string name="login_recover">Przywróć</string>
@@ -445,14 +445,19 @@
     <!--Others-->
     <string name="all_copied">Skopiowano</string>
     <string name="all_undo">Cofnij</string>
+    <!--Update helper-->
+    <string name="update_download_started">Rozpoczęto pobieranie aktualizacji…</string>
+    <string name="update_download_success">Aktualizacja została pobrana.</string>
+    <string name="update_download_success_button">Uruchom ponownie</string>
+    <string name="update_failed">Aktualizacja nie powiodła się! Wulkanowy może nie działać prawidłowo. Rozważ aktualizację</string>
     <!--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</string>
-    <string name="error_password_change_required">Wymagana zmiana hasła</string>
+    <string name="error_timeout">Nie udało się połączyć z dziennikiem. Serwery mogą być przeciążone. Spróbuj ponownie później</string>
+    <string name="error_login_failed">Ładowanie danych nie powiodło się. Spróbuj ponownie później</string>
+    <string name="error_password_change_required">Wymagana zmiana hasła do dziennika</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_uonet">Nieznany błąd dziennika UONET+. Spróbuj ponownie później</string>
+    <string name="error_unknown_app">Nieznany błąd aplikacji. Spróbuj ponownie później</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>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 28ac6943..7a10553d 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -445,12 +445,19 @@
     <!--Others-->
     <string name="all_copied">Скопировано</string>
     <string name="all_undo">Отменить</string>
+    <!--Update helper-->
+    <string name="update_download_started">Download of updates has started…</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">Нет интернет-подключения</string>
     <string name="error_timeout">Слишком долгое ожидание соединения с дневником</string>
-    <string name="error_login_failed">Авторизация не удалась. Попробуйте ещё раз или перезапустите дневник</string>
+    <string name="error_login_failed">Login failed. Try again</string>
     <string name="error_password_change_required">Требуется смена пароля</string>
     <string name="error_service_unavailable">Технический перерыв в журнале UONET + продолжается. Попробуйте позже</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">Произошла неожиданная ошибка</string>
     <string name="error_feature_disabled">Функция была выключена школой</string>
     <string name="error_feature_not_available">Функция не доступна в этом режиме</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index ed10d24d..4a15db9f 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -445,12 +445,19 @@
     <!--Others-->
     <string name="all_copied">Скопійовано</string>
     <string name="all_undo">Відмінити</string>
+    <!--Update helper-->
+    <string name="update_download_started">Download of updates has started…</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">Брак з\'єднання з інтернетом</string>
     <string name="error_timeout">Занадто довге очікування з\'єднання з щоденником</string>
-    <string name="error_login_failed">Аутентифікація не вдалася. Спробуйте ще раз або запустіть додаток знову</string>
+    <string name="error_login_failed">Login failed. Try again</string>
     <string name="error_password_change_required">Потрібно змінити пароль</string>
     <string name="error_service_unavailable">Технічна перерва в журналі UONET + продовжується. Спробуйте пізніше</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">Відбулася несподівана помилка</string>
     <string name="error_feature_disabled">Функція вимкнена школою</string>
     <string name="error_feature_not_available">Функція не доступна в цьому режимі</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d45ef8dc..8e849573 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -473,7 +473,7 @@
     <string name="all_undo">Undo</string>
 
     <!--Update helper-->
-    <string name="update_download_started">Start downloading update…</string>
+    <string name="update_download_started">Download of updates has started…</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>
diff --git a/app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt b/app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
similarity index 78%
rename from app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
rename to app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
index f7e4a0fc..8897f180 100644
--- a/app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ b/app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -9,7 +9,7 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class FirebaseAnalyticsHelper @Inject constructor(
+class AnalyticsHelper @Inject constructor(
     @ApplicationContext private val context: Context
 ) {
 
@@ -30,6 +30,9 @@ class FirebaseAnalyticsHelper @Inject constructor(
     }
 
     fun setCurrentScreen(activity: Activity, name: String?) {
-        analytics.setCurrentScreen(activity, name, null)
+        analytics.logEvent(FirebaseAnalytics.Event.SCREEN_VIEW, Bundle().apply {
+            putString(FirebaseAnalytics.Param.SCREEN_NAME, name)
+            putString(FirebaseAnalytics.Param.SCREEN_CLASS, activity::class.simpleName)
+        })
     }
 }
diff --git a/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt b/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
index d7850b07..b26f4f6b 100644
--- a/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
+++ b/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
@@ -10,7 +10,7 @@ import java.io.InterruptedIOException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 
-class CrashlyticsTree : FormatterPriorityTree(Log.VERBOSE) {
+class CrashLogTree : FormatterPriorityTree(Log.VERBOSE) {
 
     private val crashlytics by lazy { FirebaseCrashlytics.getInstance() }
 
@@ -21,7 +21,7 @@ class CrashlyticsTree : FormatterPriorityTree(Log.VERBOSE) {
     }
 }
 
-class CrashlyticsExceptionTree : FormatterPriorityTree(Log.ERROR) {
+class CrashLogExceptionTree : FormatterPriorityTree(Log.ERROR) {
 
     private val crashlytics by lazy { FirebaseCrashlytics.getInstance() }
 
diff --git a/app/src/release/agconnect-services.json.gpg b/app/src/release/agconnect-services.json.gpg
new file mode 100644
index 00000000..484d8bc7
Binary files /dev/null and b/app/src/release/agconnect-services.json.gpg differ
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
index daacbac2..bda0639c 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
@@ -5,7 +5,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.mockk.MockKAnnotations
 import io.mockk.Runs
 import io.mockk.coEvery
@@ -34,7 +34,7 @@ class LoginFormPresenterTest {
     lateinit var errorHandler: LoginErrorHandler
 
     @MockK(relaxed = true)
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: LoginFormPresenter
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
index b3a24a2a..6b0baf9b 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
@@ -5,7 +5,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.mockk.MockKAnnotations
 import io.mockk.Runs
 import io.mockk.clearMocks
@@ -34,7 +34,7 @@ class LoginStudentSelectPresenterTest {
     lateinit var studentRepository: StudentRepository
 
     @MockK(relaxed = true)
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: LoginStudentSelectPresenter
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
index fc2832b2..d3c9fa13 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.mockk.MockKAnnotations
 import io.mockk.Runs
 import io.mockk.clearMocks
@@ -33,7 +33,7 @@ class MainPresenterTest {
     lateinit var mainView: MainView
 
     @MockK(relaxed = true)
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: MainPresenter
 
diff --git a/appgallery_badge.png b/appgallery_badge.png
index ce886075..ecd154ea 100644
Binary files a/appgallery_badge.png and b/appgallery_badge.png differ
diff --git a/build.gradle b/build.gradle
index 608e3ce5..daec6806 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,12 +9,14 @@ buildscript {
         google()
         jcenter()
         maven { url "https://plugins.gradle.org/m2/" }
+        maven { url "https://developer.huawei.com/repo/" }
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.android.tools.build:gradle:4.0.2'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
         classpath 'com.google.gms:google-services:4.3.4'
+        classpath 'com.huawei.agconnect:agcp:1.4.1.300'
         classpath 'com.google.firebase:firebase-crashlytics-gradle:2.3.0'
         classpath "com.github.triplet.gradle:play-publisher:2.8.0"
         classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:3.0"
@@ -39,7 +41,8 @@ allprojects {
         mavenCentral()
         google()
         jcenter()
-        maven { url 'https://jitpack.io' }
+        maven { url "https://jitpack.io" }
+        maven { url "https://developer.huawei.com/repo/" }
     }
 }