Add F-Droid flavor (#349)

.circleci/config.yml

@@ -35,7 +35,7 @@ jobs:
           command: ./gradlew dependencies --no-daemon --stacktrace --console=plain -PdisablePreDex || true
       - run:
           name: Initial build
-          command: ./gradlew build -x test -x lint -x fabricGenerateResourcesRelease -x packageRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew build -x test -x lint -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease -x packageRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
       - run:
           name: Run FOSSA
           command: fossa --no-ansi || true
@@ -56,7 +56,7 @@ jobs:
           <<: *general_cache_key
       - run:
           name: Run lint
-          command: ./gradlew lint -x fabricGenerateResourcesRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew lint -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
       - store_artifacts:
           path: ./app/build/reports/
           destination: lint_reports/app/
@@ -75,7 +75,7 @@ jobs:
           <<: *general_cache_key
       - run:
           name: Run app tests
-          command: ./gradlew :app:test :app:jacocoTestReport -x fabricGenerateResourcesRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew :app:test :app:jacocoTestReport -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
       - run:
           name: Upload unit code coverage to codecov
           command: bash <(curl -s https://codecov.io/bash) -F app
@@ -116,7 +116,7 @@ jobs:
             adb shell input keyevent 82
       - run:
           name: Run instrumented tests
-          command: ./gradlew clean createDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew clean createPlayDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
       - run:
           name: Collect logs from emulator
           command: adb logcat -d > ./app/build/reports/logcat_emulator.txt
@@ -162,7 +162,7 @@ jobs:
             openssl aes-256-cbc -d -in ./app/upload-key-encrypted.jks -k $ENCRYPT_KEY >> ./app/upload-key.jks
       - run:
           name: Publish release
-          command: ./gradlew publish --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex
+          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex
 
 workflows:
   version: 2

.gitignore

@@ -48,3 +48,4 @@ app/key.p12
 app/upload-key.jks
 *.log
 .idea/assetWizardSettings.xml
+.idea/uiDesigner.xml

.gitlab-ci.yml

@@ -12,7 +12,7 @@ build:
   script:
     - ./gradlew --no-daemon --stacktrace dependencies || true
     - ./gradlew --no-daemon --stacktrace assembleDebug
-    - mv app/build/outputs/apk/debug/app-debug.apk .
+    - mv app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk .
   artifacts:
     name: "${CI_PROJECT_NAME}_${CI_BUILD_REF_NAME}-${CI_BUILD_ID}"
     paths:
@@ -26,7 +26,7 @@ tests:
      - .gradle
     policy: pull
   script:
-    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesRelease test
+    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease test
   artifacts:
     paths:
     - app/build/reports/tests
@@ -39,7 +39,7 @@ lint:
      - .gradle
     policy: pull
   script:
-    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesRelease lint
+    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease lint
   artifacts:
     paths:
     - app/build/reports

.idea/runConfigurations.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>

.travis.yml

@@ -47,20 +47,20 @@ before_script:
 script:
   - ./gradlew dependencies --stacktrace --daemon
   - fossa --no-ansi || true
-  #- ./gradlew lint -x fabricGenerateResourcesRelease --stacktrace --daemon
+  #- ./gradlew lintPlayRelease -x fabricGenerateResourcesPlayRelease --stacktrace --daemon
-  - ./gradlew test -x fabricGenerateResourcesRelease --stacktrace --daemon
+  - ./gradlew testPlayDebugUnitTest -x fabricGenerateResourcesPlay --stacktrace --daemon
-  - ./gradlew createDebugCoverageReport --stacktrace --daemon
+  - ./gradlew createPlayDebugCoverageReport --stacktrace --daemon
   - ./gradlew jacocoTestReport --stacktrace --daemon
   - if [ -z ${SONAR_HOST+x} ]; then echo "sonar scan skipped"; else
       git fetch --unshallow;
-      ./gradlew sonarqube -x test -x lint -x fabricGenerateResourcesRelease -Dsonar.host.url=$SONAR_HOST -Dsonar.organization=$SONAR_ORG -Dsonar.login=$SONAR_KEY -Dsonar.branch.name=${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH} --stacktrace --daemon;
+      ./gradlew sonarqube -x test -x lint -x fabricGenerateResourcesPlayRelease -x fabricGenerateResourcesFdroidRelease -Dsonar.host.url=$SONAR_HOST -Dsonar.organization=$SONAR_ORG -Dsonar.login=$SONAR_KEY -Dsonar.branch.name=${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH} --stacktrace --daemon;
     fi
   - |
     if [ $TRAVIS_TAG ]; then
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publish -PenableCrashlytics --stacktrace;
+      ./gradlew publishPlayRelease -PenableCrashlytics --stacktrace;
     fi
 
 after_success:

README.md

@@ -1,6 +1,5 @@
 # Wulkanowy
 
-[![CircleCI](https://img.shields.io/circleci/project/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://circleci.com/gh/wulkanowy/wulkanowy)
 [![Travis](https://img.shields.io/travis/com/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://travis-ci.com/wulkanowy/wulkanowy)
 [![Bitrise](https://img.shields.io/bitrise/daeff1893f3c8128/master.svg?token=Hjm1ACamk86JDeVVJHOeqQ&style=flat-square)](https://www.bitrise.io/app/daeff1893f3c8128)
 [![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
@@ -8,6 +7,8 @@
 [![Sonarcloud](https://sonarcloud.io/api/project_badges/measure?project=io.github.wulkanowy%3Aapp&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=io.github.wulkanowy%3Aapp)
 [![FOSSA Status](https://app.fossa.com/api/projects/custom%2B5644%2Fgithub.com%2Fwulkanowy%2Fwulkanowy.svg?type=shield)](https://app.fossa.com/projects/custom%2B5644%2Fgithub.com%2Fwulkanowy%2Fwulkanowy?ref=badge_shield)
 [![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
+[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg)](https://f-droid.org/packages/io.github.wulkanowy/)
+[![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github)](https://github.com/wulkanowy/wulkanowy/releases)
 
 [Pobierz wersję beta z Google Play](https://play.google.com/store/apps/details?id=io.github.wulkanowy&utm_source=vcs)
 

app/build.gradle

@@ -63,6 +63,18 @@ android {
         }
     }
 
+    flavorDimensions "platform"
+    productFlavors {
+        play {
+            dimension "platform"
+        }
+
+        fdroid {
+            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "false"
+            dimension "platform"
+        }
+    }
+
     lintOptions {
         disable 'HardwareIds'
     }
@@ -129,8 +141,8 @@ dependencies {
     implementation "com.mikepenz:aboutlibraries:6.2.3"
     implementation 'com.takisoft.preferencex:preferencex:1.0.0'
 
-    implementation 'com.google.firebase:firebase-core:16.0.9'
+    playImplementation 'com.google.firebase:firebase-core:16.0.9'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
+    playImplementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
 
     releaseImplementation 'fr.o80.chucker:library-no-op:2.0.4'
 

app/jacoco.gradle

@@ -35,11 +35,14 @@ task jacocoTestReport(type: JacocoReport) {
             dir: "$buildDir/intermediates/classes/debug",
             excludes: excludes
     ) + fileTree(
-            dir: "$buildDir/tmp/kotlin-classes/debug",
+            dir: "$buildDir/tmp/kotlin-classes/playDebug",
             excludes: excludes
     ))
 
-    sourceDirectories.setFrom(files("$project.projectDir/src/main/java"))
+    sourceDirectories.setFrom(files([
+            "src/main/java",
+            "src/play/java"
+    ]))
     executionData.setFrom(fileTree(
             dir: project.projectDir,
             includes: ["**/*.exec", "**/*.ec"]

app/sonarqube.gradle

@@ -29,5 +29,6 @@ sonarqube {
         property "sonar.java.coveragePlugin", "jacoco"
         property "sonar.android.lint.report", "build/reports/lint-results.xml"
         property "sonar.jacoco.reportPaths", fileTree(dir: project.projectDir, includes: ['**/*.exec', '**/*.ec'])
+        property "sonar.coverage.jacoco.xmlReportPaths", "build/reports/jacocoTestReport/jacocoTestReport.xml"
     }
 }

app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt

@@ -0,0 +1,17 @@
+@file:Suppress("UNUSED_PARAMETER")
+
+package io.github.wulkanowy.utils
+
+import android.content.Context
+import timber.log.Timber
+
+class CrashlyticsTree : Timber.Tree() {
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        // do nothing
+    }
+}
+
+fun initCrashlytics(context: Context) {
+    // do nothing
+}

app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.utils
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class FirebaseAnalyticsHelper @Inject constructor() {
+
+    @Suppress("UNUSED_PARAMETER")
+    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
+        // do nothing
+    }
+}

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

@@ -4,21 +4,18 @@ import android.content.Context
 import androidx.multidex.MultiDex
 import androidx.work.Configuration
 import androidx.work.WorkManager
-import com.crashlytics.android.Crashlytics
-import com.crashlytics.android.core.CrashlyticsCore
 import com.jakewharton.threetenabp.AndroidThreeTen
 import dagger.android.AndroidInjector
 import dagger.android.support.DaggerApplication
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.utils.Log
-import io.fabric.sdk.android.Fabric
-import io.github.wulkanowy.BuildConfig.CRASHLYTICS_ENABLED
 import io.github.wulkanowy.BuildConfig.DEBUG
 import io.github.wulkanowy.di.DaggerAppComponent
 import io.github.wulkanowy.services.sync.SyncWorkerFactory
 import io.github.wulkanowy.utils.ActivityLifecycleLogger
 import io.github.wulkanowy.utils.CrashlyticsTree
 import io.github.wulkanowy.utils.DebugLogTree
+import io.github.wulkanowy.utils.initCrashlytics
 import io.reactivex.exceptions.UndeliverableException
 import io.reactivex.plugins.RxJavaPlugins
 import timber.log.Timber
@@ -41,7 +38,7 @@ class WulkanowyApp : DaggerApplication() {
         WorkManager.initialize(this, Configuration.Builder().setWorkerFactory(workerFactory).build())
         RxJavaPlugins.setErrorHandler(::onError)
 
-        initCrashlytics()
+        initCrashlytics(applicationContext)
         initLogging()
     }
 
@@ -55,12 +52,6 @@ class WulkanowyApp : DaggerApplication() {
         registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }
 
-    private fun initCrashlytics() {
-        Fabric.with(Fabric.Builder(this).kits(
-            Crashlytics.Builder().core(CrashlyticsCore.Builder().disabled(!CRASHLYTICS_ENABLED).build()).build()
-        ).debuggable(DEBUG).build())
-    }
-
     private fun onError(error: Throwable) {
         if (error is UndeliverableException && error.cause is IOException || error.cause is InterruptedException) {
             Timber.e(error.cause, "An undeliverable error occurred")

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.di
 
 import android.appwidget.AppWidgetManager
 import android.content.Context
-import com.google.firebase.analytics.FirebaseAnalytics
 import dagger.Module
 import dagger.Provides
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -27,10 +26,6 @@ internal class AppModule {
     @Provides
     fun provideFlexibleAdapter() = FlexibleAdapter<AbstractFlexibleItem<*>>(null, null, true)
 
-    @Singleton
-    @Provides
-    fun provideFirebaseAnalytics(context: Context) = FirebaseAnalytics.getInstance(context)
-
     @Singleton
     @Provides
     fun provideAppWidgetManager(context: Context): AppWidgetManager = AppWidgetManager.getInstance(context)

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

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.attendance
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.repositories.attendance.AttendanceRepository
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
@@ -9,12 +8,7 @@ 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.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.*
-import io.github.wulkanowy.utils.isHolidays
-import io.github.wulkanowy.utils.nextSchoolDay
-import io.github.wulkanowy.utils.previousOrSameSchoolDay
-import io.github.wulkanowy.utils.previousSchoolDay
-import io.github.wulkanowy.utils.toFormattedString
 import org.threeten.bp.LocalDate
 import org.threeten.bp.LocalDate.now
 import org.threeten.bp.LocalDate.ofEpochDay
@@ -115,7 +109,7 @@ class AttendancePresenter @Inject constructor(
                         showEmpty(it.isEmpty())
                         showContent(it.isNotEmpty())
                     }
-                    analytics.logEvent("load_attendance", "items" to it.size, "force_refresh" to forceRefresh, START_DATE to currentDate.toFormattedString("yyyy-MM-dd"))
+                    analytics.logEvent("load_attendance", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading attendance result: An exception occurred")
                     view?.run { showEmpty(isViewEmpty) }

app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.exam
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.repositories.exam.ExamRepository
@@ -102,7 +101,7 @@ class ExamPresenter @Inject constructor(
                         showEmpty(it.isEmpty())
                         showContent(it.isNotEmpty())
                     }
-                    analytics.logEvent("load_exam", "items" to it.size, "force_refresh" to forceRefresh, START_DATE to currentDate.toFormattedString("yyyy-MM-dd"))
+                    analytics.logEvent("load_exam", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading exam result: An exception occurred")
                     view?.run { showEmpty(isViewEmpty) }

app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.homework
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
@@ -89,7 +88,7 @@ class HomeworkPresenter @Inject constructor(
                         showEmpty(it.isEmpty())
                         showContent(it.isNotEmpty())
                     }
-                    analytics.logEvent("load_homework", "items" to it.size, "force_refresh" to forceRefresh, START_DATE to currentDate.toFormattedString("yyyy-MM-dd"))
+                    analytics.logEvent("load_homework", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading homework result: An exception occurred")
                     view?.run { showEmpty(isViewEmpty()) }

app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.login.form
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.SUCCESS
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
@@ -78,11 +77,11 @@ class LoginFormPresenter @Inject constructor(
             }
             .subscribe({
                 Timber.i("Login result: Success")
-                analytics.logEvent("registration_form", SUCCESS to true, "students" to it.size, "endpoint" to endpoint, "error" to "No error")
+                analytics.logEvent("registration_form", "success" to true, "students" to it.size, "endpoint" to endpoint, "error" to "No error")
                 view?.notifyParentAccountLogged(it)
             }, {
                 Timber.i("Login result: An exception occurred")
-                analytics.logEvent("registration_form", SUCCESS to false, "students" to -1, "endpoint" to endpoint, "error" to it.localizedMessage)
+                analytics.logEvent("registration_form", "success" to false, "students" to -1, "endpoint" to endpoint, "error" to it.localizedMessage.ifEmpty { "No message" })
                 loginErrorHandler.dispatch(it)
             }))
     }

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.SUCCESS
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.student.StudentRepository
@@ -21,7 +20,7 @@ class LoginStudentSelectPresenter @Inject constructor(
 
     var students = emptyList<Student>()
 
-    var selectedStudents = mutableListOf<Student>()
+    private var selectedStudents = mutableListOf<Student>()
 
     fun onAttachView(view: LoginStudentSelectView, students: Serializable?) {
         super.onAttachView(view)
@@ -78,11 +77,11 @@ class LoginStudentSelectPresenter @Inject constructor(
                 Timber.i("Registration started")
             }
             .subscribe({
-                students.forEach { analytics.logEvent("registration_student_select", SUCCESS to true, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to "No error") }
+                students.forEach { analytics.logEvent("registration_student_select", "success" to true, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to "No error") }
                 Timber.i("Registration result: Success")
                 view?.openMainView()
             }, { error ->
-                students.forEach { analytics.logEvent("registration_student_select", SUCCESS to false, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to error.localizedMessage) }
+                students.forEach { analytics.logEvent("registration_student_select", "success" to false, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to error.localizedMessage.ifEmpty { "No message" }) }
                 Timber.i("Registration result: An exception occurred ")
                 loginErrorHandler.dispatch(error)
                 view?.apply {

app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.login.symbol
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.SUCCESS
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
@@ -59,7 +58,7 @@ class LoginSymbolPresenter @Inject constructor(
                     }
                 }
                 .subscribe({
-                    analytics.logEvent("registration_symbol", SUCCESS to true, "students" to it.size, "endpoint" to loginData?.third, "symbol" to symbol, "error" to "No error")
+                    analytics.logEvent("registration_symbol", "success" to true, "students" to it.size, "endpoint" to loginData?.third, "symbol" to symbol, "error" to "No error")
                     view?.apply {
                         if (it.isEmpty()) {
                             Timber.i("Login with symbol result: Empty student list")
@@ -71,7 +70,7 @@ class LoginSymbolPresenter @Inject constructor(
                     }
                 }, {
                     Timber.i("Login with symbol result: An exception occurred")
-                    analytics.logEvent("registration_symbol", SUCCESS to false, "students" to -1, "endpoint" to loginData?.third, "symbol" to symbol, "error" to it.localizedMessage)
+                    analytics.logEvent("registration_symbol", "success" to false, "students" to -1, "endpoint" to loginData?.third, "symbol" to symbol, "error" to it.localizedMessage.ifEmpty { "No message" })
                     loginErrorHandler.dispatch(it)
                 }))
     }

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

@@ -1,7 +1,5 @@
 package io.github.wulkanowy.ui.modules.main
 
-import com.google.firebase.analytics.FirebaseAnalytics.Event.APP_OPEN
-import com.google.firebase.analytics.FirebaseAnalytics.Param.DESTINATION
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
@@ -33,7 +31,7 @@ class MainPresenter @Inject constructor(
         }
 
         syncManager.startSyncWorker()
-        analytics.logEvent(APP_OPEN, DESTINATION to initMenu?.name)
+        analytics.logEvent("app_open", "destination" to initMenu?.name)
     }
 
     fun onViewChange() {

app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.message.preview
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.repositories.message.MessageRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
@@ -53,7 +52,7 @@ class MessagePreviewPresenter @Inject constructor(
                             else setSender(it.sender)
                         }
                     }
-                    analytics.logEvent("load_message_preview", START_DATE to message.date.toFormattedString("yyyy.MM.dd"), "length" to message.content?.length)
+                    analytics.logEvent("load_message_preview", "length" to message.content?.length)
                 }) {
                     Timber.i("Loading message $id preview result: An exception occurred ")
                     view?.showMessageError()

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

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.timetable
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
@@ -109,7 +108,7 @@ class TimetablePresenter @Inject constructor(
                         showEmpty(it.isEmpty())
                         showContent(it.isNotEmpty())
                     }
-                    analytics.logEvent("load_timetable", "items" to it.size, "force_refresh" to forceRefresh, START_DATE to currentDate.toFormattedString("yyyy-MM-dd"))
+                    analytics.logEvent("load_timetable", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading timetable result: An exception occurred")
                     view?.run { showEmpty(isViewEmpty) }

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.timetable.completed
 
-import com.google.firebase.analytics.FirebaseAnalytics.Param.START_DATE
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.repositories.completedlessons.CompletedLessonsRepository
 import io.github.wulkanowy.data.repositories.semester.SemesterRepository
@@ -93,7 +92,7 @@ class CompletedLessonsPresenter @Inject constructor(
                         showEmpty(it.isEmpty())
                         showContent(it.isNotEmpty())
                     }
-                    analytics.logEvent("load_completed_lessons", "items" to it.size, "force_refresh" to forceRefresh, START_DATE to currentDate.toFormattedString("yyyy-MM-dd"))
+                    analytics.logEvent("load_completed_lessons", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading completed lessons result: An exception occurred")
                     view?.run { showEmpty(isViewEmpty) }

app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt

@@ -7,7 +7,6 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
-import com.crashlytics.android.Crashlytics
 import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -19,17 +18,6 @@ class DebugLogTree : Timber.DebugTree() {
     }
 }
 
-class CrashlyticsTree : Timber.Tree() {
-
-    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
-        Crashlytics.setInt("priority", priority)
-        Crashlytics.setString("tag", tag)
-
-        if (t == null) Crashlytics.log(message)
-        else Crashlytics.logException(t)
-    }
-}
-
 class ActivityLifecycleLogger : Application.ActivityLifecycleCallbacks {
 
     override fun onActivityPaused(activity: Activity?) {

app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.utils
+
+import android.content.Context
+import com.crashlytics.android.Crashlytics
+import com.crashlytics.android.core.CrashlyticsCore
+import io.fabric.sdk.android.Fabric
+import io.github.wulkanowy.BuildConfig
+import timber.log.Timber
+
+class CrashlyticsTree : Timber.Tree() {
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        Crashlytics.setInt("priority", priority)
+        Crashlytics.setString("tag", tag)
+
+        if (t == null) Crashlytics.log(message)
+        else Crashlytics.logException(t)
+    }
+}
+
+fun initCrashlytics(context: Context) {
+    Fabric.with(Fabric.Builder(context).kits(
+        Crashlytics.Builder().core(CrashlyticsCore.Builder().disabled(!BuildConfig.CRASHLYTICS_ENABLED).build()).build()
+    ).debuggable(BuildConfig.DEBUG).build())
+}

app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt

@@ -1,12 +1,15 @@
 package io.github.wulkanowy.utils
 
+import android.content.Context
 import android.os.Bundle
 import com.google.firebase.analytics.FirebaseAnalytics
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class FirebaseAnalyticsHelper @Inject constructor(private val analytics: FirebaseAnalytics) {
+class FirebaseAnalyticsHelper @Inject constructor(private val context: Context) {
+
+    private val analytics by lazy { FirebaseAnalytics.getInstance(context) }
 
     fun logEvent(name: String, vararg params: Pair<String, Any?>) {
         Bundle().apply {