Update project to Android SDK 31 (#1570)

2021-11-11 15:23:20 +01:00
parent f88d44f0ec
commit 007d62e61d
76 changed files with 316 additions and 384 deletions
--- a/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
@ -22,11 +22,14 @@ class SharedPrefProvider @Inject constructor(

    fun getString(key: String) = sharedPref.getString(key, null)

-    fun getString(key: String, defaultValue: String): String = sharedPref.getString(key, defaultValue) ?: defaultValue
+    fun getString(key: String, defaultValue: String): String =
+        sharedPref.getString(key, defaultValue) ?: defaultValue

-    fun getBoolean(key: String, defaultValue: Boolean): Boolean = sharedPref.getBoolean(key, defaultValue)
+    fun getBoolean(key: String, defaultValue: Boolean): Boolean =
+        sharedPref.getBoolean(key, defaultValue)

-    fun putBoolean(key: String, value: Boolean, sync: Boolean = false) = sharedPref.edit(sync) { putBoolean(key, value) }
+    fun putBoolean(key: String, value: Boolean, sync: Boolean = false) =
+        sharedPref.edit(sync) { putBoolean(key, value) }

    fun putString(key: String, value: String?, sync: Boolean = false) {
        sharedPref.edit(sync) { putString(key, value) }
--- a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
@ -1,7 +1,6 @@
 package io.github.wulkanowy.services.alarm

 import android.app.PendingIntent
-import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.content.Context
 import android.content.Intent
 import android.os.Build
@ -16,7 +15,8 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.services.HiltBroadcastReceiver
 import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel.Companion.CHANNEL_ID
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
+import io.github.wulkanowy.utils.PendingIntentCompat
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.getCompatColor
 import io.github.wulkanowy.utils.toLocalDateTime
@ -138,8 +138,8 @@ class TimetableNotificationReceiver : HiltBroadcastReceiver() {
                    PendingIntent.getActivity(
                        context,
                        NOTIFICATION_ID,
-                        MainActivity.getStartIntent(context, Destination.Timetable(), true),
-                        FLAG_UPDATE_CURRENT
+                        SplashActivity.getStartIntent(context, Destination.Timetable(), true),
+                        PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
                    )
                )
                .build()
--- a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
@ -3,7 +3,6 @@ package io.github.wulkanowy.services.alarm
 import android.app.AlarmManager
 import android.app.AlarmManager.RTC_WAKEUP
 import android.app.PendingIntent
-import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.content.Context
 import android.content.Intent
 import androidx.core.app.AlarmManagerCompat
@ -26,6 +25,7 @@ import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companio
 import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_ID
 import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_NAME
 import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.PendingIntentCompat
 import io.github.wulkanowy.utils.nickOrName
 import io.github.wulkanowy.utils.toTimestamp
 import kotlinx.coroutines.withContext
@ -72,8 +72,14 @@ class TimetableNotificationSchedulerHelper @Inject constructor(

    private fun cancelScheduledTo(range: ClosedRange<LocalDateTime>, requestCode: Int) {
        if (now() in range) cancelNotification()
+
        alarmManager.cancel(
-            PendingIntent.getBroadcast(context, requestCode, Intent(), FLAG_UPDATE_CURRENT)
+            PendingIntent.getBroadcast(
+                context,
+                requestCode,
+                Intent(),
+                PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
+            )
        )
    }

@ -156,7 +162,7 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
                alarmManager, RTC_WAKEUP, time.toTimestamp(),
                PendingIntent.getBroadcast(context, getRequestCode(time, studentId), intent.also {
                    it.putExtra(LESSON_TYPE, notificationType)
-                }, FLAG_UPDATE_CURRENT)
+                }, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE)
            )
            Timber.d(
                "TimetableNotification scheduled: type: $notificationType, subject: ${
--- a/app/src/main/java/io/github/wulkanowy/services/shortcuts/ShortcutsHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/shortcuts/ShortcutsHelper.kt
@ -8,7 +8,7 @@ import androidx.core.graphics.drawable.IconCompat
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import javax.inject.Inject
 import javax.inject.Singleton

@ -35,7 +35,7 @@ class ShortcutsHelper @Inject constructor(@ApplicationContext private val contex
                .setShortLabel(context.getString(R.string.grade_title))
                .setLongLabel(context.getString(R.string.grade_title))
                .setIcon(IconCompat.createWithResource(context, R.drawable.ic_shortcut_grade))
-                .setIntent(MainActivity.getStartIntent(context, startNewTask = true)
+                .setIntent(SplashActivity.getStartIntent(context, startNewTask = true)
                    .apply {
                        action = Intent.ACTION_VIEW
                        putExtra(EXTRA_SHORTCUT_DESTINATION_ID, "grade")
@ -47,7 +47,7 @@ class ShortcutsHelper @Inject constructor(@ApplicationContext private val contex
                .setShortLabel(context.getString(R.string.attendance_title))
                .setLongLabel(context.getString(R.string.attendance_title))
                .setIcon(IconCompat.createWithResource(context, R.drawable.ic_shortcut_attendance))
-                .setIntent(MainActivity.getStartIntent(context, startNewTask = true)
+                .setIntent(SplashActivity.getStartIntent(context, startNewTask = true)
                    .apply {
                        action = Intent.ACTION_VIEW
                        putExtra(EXTRA_SHORTCUT_DESTINATION_ID, "attendance")
@ -59,7 +59,7 @@ class ShortcutsHelper @Inject constructor(@ApplicationContext private val contex
                .setShortLabel(context.getString(R.string.exam_title))
                .setLongLabel(context.getString(R.string.exam_title))
                .setIcon(IconCompat.createWithResource(context, R.drawable.ic_shortcut_exam))
-                .setIntent(MainActivity.getStartIntent(context, startNewTask = true)
+                .setIntent(SplashActivity.getStartIntent(context, startNewTask = true)
                    .apply {
                        action = Intent.ACTION_VIEW
                        putExtra(EXTRA_SHORTCUT_DESTINATION_ID, "exam")
@ -71,7 +71,7 @@ class ShortcutsHelper @Inject constructor(@ApplicationContext private val contex
                .setShortLabel(context.getString(R.string.timetable_title))
                .setLongLabel(context.getString(R.string.timetable_title))
                .setIcon(IconCompat.createWithResource(context, R.drawable.ic_shortcut_timetable))
-                .setIntent(MainActivity.getStartIntent(context, startNewTask = true)
+                .setIntent(SplashActivity.getStartIntent(context, startNewTask = true)
                    .apply {
                        action = Intent.ACTION_VIEW
                        putExtra(EXTRA_SHORTCUT_DESTINATION_ID, "timetable")
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt
@ -13,6 +13,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.data.repositories.NotificationRepository
+import io.github.wulkanowy.utils.PendingIntentCompat
 import io.github.wulkanowy.utils.getCompatBitmap
 import io.github.wulkanowy.utils.getCompatColor
 import io.github.wulkanowy.utils.nickOrName
@ -45,7 +46,7 @@ class AppNotificationManager @Inject constructor(
                    context,
                    Random.nextInt(),
                    notificationData.intentToStart,
-                    PendingIntent.FLAG_UPDATE_CURRENT
+                    PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
                )
            )
            .setContentTitle(notificationData.title)
@ -86,7 +87,7 @@ class AppNotificationManager @Inject constructor(
                        context,
                        Random.nextInt(),
                        notificationData.intentToStart,
-                        PendingIntent.FLAG_UPDATE_CURRENT
+                        PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
                    )
                )
                .setContentTitle(notificationData.title)
@ -134,7 +135,7 @@ class AppNotificationManager @Inject constructor(
                        context,
                        Random.nextInt(),
                        groupNotificationData.intentToStart,
-                        PendingIntent.FLAG_UPDATE_CURRENT
+                        PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
                    )
                )
                .setLocalOnly(true)
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/ChangeTimetableNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/ChangeTimetableNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.toFormattedString
 import java.time.LocalDate
@ -32,7 +32,7 @@ class ChangeTimetableNotification @Inject constructor(
                            1
                        ),
                        content = it,
-                        intentToStart = MainActivity.getStartIntent(
+                        intentToStart = SplashActivity.getStartIntent(
                            context = context,
                            destination = Destination.Timetable(date),
                            startNewTask = true
@ -54,7 +54,7 @@ class ChangeTimetableNotification @Inject constructor(
                changedLessons.size,
                changedLessons.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Timetable(), true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Timetable(), true),
            type = NotificationType.CHANGE_TIMETABLE
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewAttendanceNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewAttendanceNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.descriptionRes
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.toFormattedString
@ -31,7 +31,7 @@ class NewAttendanceNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.attendance_notify_new_items_title, 1),
                content = it,
-                intentToStart = MainActivity.getStartIntent(context, Destination.Attendance, true)
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Attendance, true)
            )
        }

@ -46,7 +46,7 @@ class NewAttendanceNotification @Inject constructor(
                notificationDataList.size,
                notificationDataList.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Attendance, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Attendance, true),
            type = NotificationType.NEW_ATTENDANCE
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewConferenceNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewConferenceNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.toFormattedString
 import java.time.LocalDateTime
@ -31,7 +31,7 @@ class NewConferenceNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.conference_notify_new_item_title, 1),
                content = it,
-                intentToStart = MainActivity.getStartIntent(context, Destination.Conference, true)
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Conference, true)
            )
        }

@ -43,7 +43,7 @@ class NewConferenceNotification @Inject constructor(
                lines.size,
                lines.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Conference, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Conference, true),
            type = NotificationType.NEW_CONFERENCE
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewExamNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewExamNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.toFormattedString
 import java.time.LocalDate
@ -31,7 +31,7 @@ class NewExamNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.exam_notify_new_item_title, 1),
                content = it,
-                intentToStart = MainActivity.getStartIntent(context, Destination.Exam, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Exam, true),
            )
        }

@ -43,7 +43,7 @@ class NewExamNotification @Inject constructor(
                lines.size,
                lines.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Exam, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Exam, true),
            type = NotificationType.NEW_EXAM
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewGradeNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewGradeNotification.kt
@ -9,7 +9,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import javax.inject.Inject

@ -23,7 +23,7 @@ class NewGradeNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.grade_new_items, 1),
                content = "${it.subject}: ${it.entry}",
-                intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            )
        }

@ -31,7 +31,7 @@ class NewGradeNotification @Inject constructor(
            notificationDataList = notificationDataList,
            title = context.getPlural(R.plurals.grade_new_items, items.size),
            content = context.getPlural(R.plurals.grade_notify_new_items, items.size, items.size),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            type = NotificationType.NEW_GRADE_DETAILS
        )

@ -43,7 +43,7 @@ class NewGradeNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.grade_new_items_predicted, 1),
                content = "${it.subject}: ${it.predictedGrade}",
-                intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            )
        }

@ -55,7 +55,7 @@ class NewGradeNotification @Inject constructor(
                items.size,
                items.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            type = NotificationType.NEW_GRADE_PREDICTED
        )

@ -67,7 +67,7 @@ class NewGradeNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.grade_new_items_final, 1),
                content = "${it.subject}: ${it.finalGrade}",
-                intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            )
        }

@ -79,7 +79,7 @@ class NewGradeNotification @Inject constructor(
                items.size,
                items.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Grade, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Grade, true),
            type = NotificationType.NEW_GRADE_FINAL
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewHomeworkNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewHomeworkNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.toFormattedString
 import java.time.LocalDate
@ -31,7 +31,7 @@ class NewHomeworkNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.homework_notify_new_item_title, 1),
                content = it,
-                intentToStart = MainActivity.getStartIntent(context, Destination.Homework, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Homework, true),
            )
        }

@ -42,7 +42,7 @@ class NewHomeworkNotification @Inject constructor(
                lines.size,
                lines.size
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Homework, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Homework, true),
            type = NotificationType.NEW_HOMEWORK,
            notificationDataList = notificationDataList
        )
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewLuckyNumberNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewLuckyNumberNotification.kt
@ -7,7 +7,7 @@ import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import javax.inject.Inject

 class NewLuckyNumberNotification @Inject constructor(
@ -22,7 +22,7 @@ class NewLuckyNumberNotification @Inject constructor(
                R.string.lucky_number_notify_new_item,
                item.luckyNumber.toString()
            ),
-            intentToStart = MainActivity.getStartIntent(context, Destination.LuckyNumber, true)
+            intentToStart = SplashActivity.getStartIntent(context, Destination.LuckyNumber, true)
        )

        appNotificationManager.sendSingleNotification(
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewMessageNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewMessageNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import javax.inject.Inject

@ -22,7 +22,7 @@ class NewMessageNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(R.plurals.message_new_items, 1),
                content = "${it.sender}: ${it.subject}",
-                intentToStart = MainActivity.getStartIntent(context, Destination.Message, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Message, true),
            )
        }

@ -30,7 +30,7 @@ class NewMessageNotification @Inject constructor(
            notificationDataList = notificationDataList,
            title = context.getPlural(R.plurals.message_new_items, items.size),
            content = context.getPlural(R.plurals.message_notify_new_items, items.size, items.size),
-            intentToStart = MainActivity.getStartIntent(context, Destination.Message, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Message, true),
            type = NotificationType.NEW_MESSAGE
        )

--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewNoteNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewNoteNotification.kt
@ -9,7 +9,7 @@ import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import javax.inject.Inject

@ -29,13 +29,13 @@ class NewNoteNotification @Inject constructor(
            NotificationData(
                title = context.getPlural(titleRes, 1),
                content = "${it.teacher}: ${it.category}",
-                intentToStart = MainActivity.getStartIntent(context, Destination.Note, true),
+                intentToStart = SplashActivity.getStartIntent(context, Destination.Note, true),
            )
        }

        val groupNotificationData = GroupNotificationData(
            notificationDataList = notificationDataList,
-            intentToStart = MainActivity.getStartIntent(context, Destination.Note, true),
+            intentToStart = SplashActivity.getStartIntent(context, Destination.Note, true),
            title = context.getPlural(R.plurals.note_new_items, items.size),
            content = context.getPlural(R.plurals.note_notify_new_items, items.size, items.size),
            type = NotificationType.NEW_NOTE
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewSchoolAnnouncementNotification.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewSchoolAnnouncementNotification.kt
@ -8,7 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GroupNotificationData
 import io.github.wulkanowy.data.pojos.NotificationData
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.getPlural
 import javax.inject.Inject

@ -20,7 +20,7 @@ class NewSchoolAnnouncementNotification @Inject constructor(
    suspend fun notify(items: List<SchoolAnnouncement>, student: Student) {
        val notificationDataList = items.map {
            NotificationData(
-                intentToStart = MainActivity.getStartIntent(
+                intentToStart = SplashActivity.getStartIntent(
                    context = context,
                    destination = Destination.SchoolAnnouncement,
                    startNewTask = true
@ -34,7 +34,7 @@ class NewSchoolAnnouncementNotification @Inject constructor(
        }
        val groupNotificationData = GroupNotificationData(
            type = NotificationType.NEW_ANNOUNCEMENT,
-            intentToStart = MainActivity.getStartIntent(
+            intentToStart = SplashActivity.getStartIntent(
                context = context,
                destination = Destination.SchoolAnnouncement,
                startNewTask = true
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
@ -1,14 +1,11 @@
 package io.github.wulkanowy.ui.base

 import android.app.ActivityManager
-import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
-import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
 import android.os.Bundle
 import android.view.View
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
-import androidx.appcompat.app.AppCompatDelegate
 import androidx.viewbinding.ViewBinding
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
@ -40,7 +37,6 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
        themeManager.applyActivityTheme(this)
        super.onCreate(savedInstanceState)
        supportFragmentManager.registerFragmentLifecycleCallbacks(fragmentLifecycleLogger, true)
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)

        @Suppress("DEPRECATION")
        setTaskDescription(
@ -83,8 +79,8 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
    }

    override fun openClearLoginView() {
-        startActivity(LoginActivity.getStartIntent(this)
-            .apply { addFlags(FLAG_ACTIVITY_CLEAR_TASK or FLAG_ACTIVITY_NEW_TASK) })
+        startActivity(LoginActivity.getStartIntent(this))
+        finishAffinity()
    }

    override fun onDestroy() {
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
@ -20,7 +20,7 @@ open class BasePresenter<T : BaseView>(
 ) {
    private val job = SupervisorJob()

-    protected val presenterScope = CoroutineScope(job + Dispatchers.Main)
+    protected val presenterScope = CoroutineScope(job + Dispatchers.Main.immediate)

    private val childrenJobs = mutableMapOf<String, Job>()

--- a/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt
@ -41,14 +41,15 @@ class ThemeManager @Inject constructor(private val preferencesRepository: Prefer
        )
    }

-    private fun isThemeApplicable(activity: AppCompatActivity): Boolean {
-        return activity.packageManager
+    private fun isThemeApplicable(activity: AppCompatActivity) =
+        activity.packageManager
            .getPackageInfo(activity.packageName, GET_ACTIVITIES)
-            .activities.singleOrNull { it.name == activity::class.java.canonicalName }
-            ?.theme.let {
+            .activities
+            .singleOrNull { it.name == activity::class.java.canonicalName }
+            ?.theme
+            .let {
                it == R.style.WulkanowyTheme_Black || it == R.style.WulkanowyTheme_NoActionBar
                    || it == R.style.WulkanowyTheme_Login || it == R.style.WulkanowyTheme_Login_Black
                    || it == R.style.WulkanowyTheme_MessageSend || it == R.style.WulkanowyTheme_MessageSend_Black
            }
-    }
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/Destination.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/Destination.kt
@ -19,6 +19,10 @@ import java.time.LocalDate

 sealed interface Destination : Serializable {

+    /*
+    Type in children classes have to be as getter to avoid null in enums
+    https://stackoverflow.com/questions/68866453/kotlin-enum-val-is-returning-null-despite-being-set-at-compile-time
+    */
    val type: Type

    val fragment: Fragment
@ -41,91 +45,91 @@ sealed interface Destination : Serializable {

    object Dashboard : Destination {

-        override val type = Type.DASHBOARD
+        override val type get() = Type.DASHBOARD

        override val fragment get() = DashboardFragment.newInstance()
    }

    object Grade : Destination {

-        override val type = Type.GRADE
+        override val type get() = Type.GRADE

        override val fragment get() = GradeFragment.newInstance()
    }

    object Attendance : Destination {

-        override val type = Type.ATTENDANCE
+        override val type get() = Type.ATTENDANCE

        override val fragment get() = AttendanceFragment.newInstance()
    }

    object Exam : Destination {

-        override val type = Type.EXAM
+        override val type get() = Type.EXAM

        override val fragment get() = ExamFragment.newInstance()
    }

    data class Timetable(val date: LocalDate? = null) : Destination {

-        override val type = Type.TIMETABLE
+        override val type get() = Type.TIMETABLE

        override val fragment get() = TimetableFragment.newInstance(date)
    }

    object Homework : Destination {

-        override val type = Type.HOMEWORK
+        override val type get() = Type.HOMEWORK

        override val fragment get() = HomeworkFragment.newInstance()
    }

    object Note : Destination {

-        override val type = Type.NOTE
+        override val type get() = Type.NOTE

        override val fragment get() = NoteFragment.newInstance()
    }

    object Conference : Destination {

-        override val type = Type.CONFERENCE
+        override val type get() = Type.CONFERENCE

        override val fragment get() = ConferenceFragment.newInstance()
    }

    object SchoolAnnouncement : Destination {

-        override val type = Type.SCHOOL_ANNOUNCEMENT
+        override val type get() = Type.SCHOOL_ANNOUNCEMENT

        override val fragment get() = SchoolAnnouncementFragment.newInstance()
    }

    object School : Destination {

-        override val type = Type.SCHOOL
+        override val type get() = Type.SCHOOL

        override val fragment get() = SchoolFragment.newInstance()
    }

    object LuckyNumber : Destination {

-        override val type = Type.LUCKY_NUMBER
+        override val type get() = Type.LUCKY_NUMBER

        override val fragment get() = LuckyNumberFragment.newInstance()
    }

    object More : Destination {

-        override val type = Type.MORE
+        override val type get() = Type.MORE

        override val fragment get() = MoreFragment.newInstance()
    }

    object Message : Destination {

-        override val type = Type.MESSAGE
+        override val type get() = Type.MESSAGE

        override val fragment get() = MessageFragment.newInstance()
    }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditColorAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditColorAdapter.kt
@ -3,12 +3,9 @@ package io.github.wulkanowy.ui.modules.account.accountedit
 import android.annotation.SuppressLint
 import android.content.res.ColorStateList
 import android.graphics.Color
-import android.graphics.drawable.ColorDrawable
 import android.graphics.drawable.Drawable
 import android.graphics.drawable.GradientDrawable
 import android.graphics.drawable.RippleDrawable
-import android.graphics.drawable.StateListDrawable
-import android.os.Build
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.core.view.isVisible
@ -52,30 +49,13 @@ class AccountEditColorAdapter @Inject constructor() :
        }
    }

-    private fun Int.createForegroundDrawable(): Drawable =
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            val mask = GradientDrawable().apply {
-                shape = GradientDrawable.OVAL
-                setColor(Color.BLACK)
-            }
-            RippleDrawable(ColorStateList.valueOf(this.rippleColor), null, mask)
-        } else {
-            val foreground = StateListDrawable().apply {
-                alpha = 80
-                setEnterFadeDuration(250)
-                setExitFadeDuration(250)
-            }
-
-            val mask = GradientDrawable().apply {
-                shape = GradientDrawable.OVAL
-                setColor(this@createForegroundDrawable.rippleColor)
-            }
-
-            foreground.apply {
-                addState(intArrayOf(android.R.attr.state_pressed), mask)
-                addState(intArrayOf(), ColorDrawable(Color.TRANSPARENT))
-            }
+    private fun Int.createForegroundDrawable(): Drawable {
+        val mask = GradientDrawable().apply {
+            shape = GradientDrawable.OVAL
+            setColor(Color.BLACK)
        }
+        return RippleDrawable(ColorStateList.valueOf(this.rippleColor), null, mask)
+    }

    private inline val Int.rippleColor: Int
        get() {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
@ -121,9 +121,7 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
            attendanceSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
            attendanceSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
            attendanceSwipe.setProgressBackgroundColorSchemeColor(
-                requireContext().getThemeAttrColor(
-                    R.attr.colorSwipeRefresh
-                )
+                requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh)
            )
            attendanceErrorRetry.setOnClickListener { presenter.onRetry() }
            attendanceErrorDetails.setOnClickListener { presenter.onDetailsClick() }
@ -134,7 +132,7 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag

            attendanceExcuseButton.setOnClickListener { presenter.onExcuseButtonClick() }

-            attendanceNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            attendanceNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt
@ -71,7 +71,7 @@ class AttendanceSummaryFragment :
            setOnItemSelectedListener<TextView> { presenter.onSubjectSelected(it?.text?.toString()) }
        }

-        binding.attendanceSummarySubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
+        binding.attendanceSummarySubjectsContainer.elevation = requireContext().dpToPx(1f)
    }

    override fun updateSubjects(data: ArrayList<String>) {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt
@ -64,7 +64,7 @@ class ExamFragment : BaseFragment<FragmentExamBinding>(R.layout.fragment_exam),
            examPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
            examNextButton.setOnClickListener { presenter.onNextWeek() }

-            examNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            examNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt
@ -96,9 +96,7 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
            TabLayoutMediator(binding.gradeTabLayout, binding.gradeViewPager, this).attach()
        }

-        with(binding.gradeTabLayout) {
-            setElevationCompat(context.dpToPx(4f))
-        }
+        binding.gradeTabLayout.elevation = requireContext().dpToPx(4f)

        with(binding) {
            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt
@ -68,7 +68,7 @@ class GradeStatisticsFragment :
        }

        with(binding) {
-            gradeStatisticsSubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
+            gradeStatisticsSubjectsContainer.elevation = requireContext().dpToPx(1f)

            gradeStatisticsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
            gradeStatisticsSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt
@ -67,7 +67,7 @@ class HomeworkFragment : BaseFragment<FragmentHomeworkBinding>(R.layout.fragment

            openAddHomeworkButton.setOnClickListener { presenter.onHomeworkAddButtonClicked() }

-            homeworkNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            homeworkNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
@ -35,13 +35,13 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
    @Inject
    lateinit var updateHelper: UpdateHelper

+    override val currentViewIndex get() = binding.loginViewpager.currentItem
+
    companion object {

        fun getStartIntent(context: Context) = Intent(context, LoginActivity::class.java)
    }

-    override val currentViewIndex get() = binding.loginViewpager.currentItem
-
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(ActivityLoginBinding.inflate(layoutInflater).apply { binding = this }.root)
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt
@ -66,14 +66,8 @@ class LoginStudentSelectFragment :
    }

    override fun openMainView() {
-        activity?.let {
-            startActivity(
-                MainActivity.getStartIntent(
-                    context = it,
-                    startNewTask = true
-                )
-            )
-        }
+        startActivity(MainActivity.getStartIntent(requireContext()))
+        requireActivity().finish()
    }

    override fun showProgress(show: Boolean) {
@ -115,7 +109,8 @@ class LoginStudentSelectFragment :
            chooserTitle = requireContext().getString(R.string.login_email_intent_title),
            email = "wulkanowyinc@gmail.com",
            subject = requireContext().getString(R.string.login_email_subject),
-            body = requireContext().getString(R.string.login_email_text, appInfo.systemModel,
+            body = requireContext().getString(
+                R.string.login_email_text, appInfo.systemModel,
                appInfo.systemVersion.toString(),
                appInfo.versionName,
                "Select users to log in",
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
@ -65,7 +65,7 @@ class LuckyNumberHistoryFragment :
            luckyNumberHistoryPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
            luckyNumberHistoryNextButton.setOnClickListener { presenter.onNextWeek() }

-            luckyNumberHistoryNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            luckyNumberHistoryNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.luckynumberwidget

 import android.app.PendingIntent
-import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT
 import android.appwidget.AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH
@ -19,7 +18,8 @@ import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
 import io.github.wulkanowy.data.repositories.LuckyNumberRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
+import io.github.wulkanowy.utils.PendingIntentCompat
 import io.github.wulkanowy.utils.toFirstResult
 import kotlinx.coroutines.runBlocking
 import timber.log.Timber
@ -62,8 +62,8 @@ class LuckyNumberWidgetProvider : AppWidgetProvider() {
            val appIntent = PendingIntent.getActivity(
                context,
                LUCKY_NUMBER_PENDING_INTENT_ID,
-                MainActivity.getStartIntent(context, Destination.LuckyNumber, true),
-                FLAG_UPDATE_CURRENT
+                SplashActivity.getStartIntent(context, Destination.LuckyNumber, true),
+                PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
            )

            val remoteView =
--- 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
@ -3,8 +3,6 @@ package io.github.wulkanowy.ui.modules.main
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
-import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
-import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
 import android.os.Build.VERSION_CODES.P
 import android.os.Bundle
 import android.view.Menu
@ -23,7 +21,6 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.databinding.ActivityMainBinding
-import io.github.wulkanowy.services.shortcuts.ShortcutsHelper
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.modules.Destination
 import io.github.wulkanowy.ui.modules.account.accountquick.AccountQuickDialog
@ -59,9 +56,6 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
    @Inject
    lateinit var appInfo: AppInfo

-    @Inject
-    lateinit var shortcutsHelper: ShortcutsHelper
-
    private var accountMenu: MenuItem? = null

    private val overlayProvider by lazy { ElevationOverlayProvider(this) }
@ -76,13 +70,8 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
        fun getStartIntent(
            context: Context,
            destination: Destination? = null,
-            startNewTask: Boolean = false
        ) = Intent(context, MainActivity::class.java).apply {
            putExtra(EXTRA_START_DESTINATION, destination)
-
-            if (startNewTask) {
-                flags = FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK
-            }
        }
    }

@ -109,7 +98,6 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
        updateHelper.messageContainer = binding.mainFragmentContainer

        val destination = intent.getSerializableExtra(EXTRA_START_DESTINATION) as Destination?
-            ?: shortcutsHelper.getDestination(intent)

        presenter.onAttachView(this, destination)
        updateHelper.checkAndInstallUpdates(this)
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt
@ -77,9 +77,8 @@ class MessageFragment : BaseFragment<FragmentMessageBinding>(R.layout.fragment_m
            TabLayoutMediator(binding.messageTabLayout, binding.messageViewPager, this).attach()
        }

-        with(binding.messageTabLayout) {
-            setElevationCompat(context.dpToPx(4f))
-        }
+        binding.messageTabLayout.elevation = requireContext().dpToPx(4f)
+

        binding.openSendMessageButton.setOnClickListener { presenter.onSendMessageButtonClicked() }
    }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.message.preview

-import android.os.Build
 import android.os.Bundle
 import android.print.PrintAttributes
 import android.print.PrintManager
@ -13,7 +12,6 @@ import android.view.View.VISIBLE
 import android.webkit.WebResourceRequest
 import android.webkit.WebView
 import android.webkit.WebViewClient
-import androidx.annotation.RequiresApi
 import androidx.core.content.getSystemService
 import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
@ -25,7 +23,6 @@ import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.message.send.SendMessageActivity
-import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.shareText
 import javax.inject.Inject

@ -40,9 +37,6 @@ class MessagePreviewFragment :
    @Inject
    lateinit var previewAdapter: MessagePreviewAdapter

-    @Inject
-    lateinit var appInfo: AppInfo
-
    private var menuReplyButton: MenuItem? = null

    private var menuForwardButton: MenuItem? = null
@ -140,7 +134,7 @@ class MessagePreviewFragment :
        menuForwardButton?.isVisible = show
        menuDeleteButton?.isVisible = show
        menuShareButton?.isVisible = show
-        menuPrintButton?.isVisible = show && appInfo.systemVersion >= Build.VERSION_CODES.LOLLIPOP
+        menuPrintButton?.isVisible = show
    }

    override fun setDeletedOptionsLabels() {
@ -175,7 +169,6 @@ class MessagePreviewFragment :
        context?.shareText(text, subject)
    }

-    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
    override fun printDocument(html: String, jobName: String) {
        val webView = WebView(requireContext())
        webView.webViewClient = object : WebViewClient() {
@ -190,7 +183,6 @@ class MessagePreviewFragment :
        webView.loadDataWithBaseURL("file:///android_asset/", html, "text/HTML", "UTF-8", null)
    }

-    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
    private fun createWebPrintJob(webView: WebView, jobName: String) {
        activity?.getSystemService<PrintManager>()?.let { printManager ->
            val printAdapter = webView.createPrintDocumentAdapter(jobName)
--- 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
@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.message.preview

 import android.annotation.SuppressLint
-import android.os.Build
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.MessageAttachment
@ -11,7 +10,6 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AnalyticsHelper
-import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@ -24,8 +22,7 @@ class MessagePreviewPresenter @Inject constructor(
    errorHandler: ErrorHandler,
    studentRepository: StudentRepository,
    private val messageRepository: MessageRepository,
-    private val analytics: AnalyticsHelper,
-    private var appInfo: AppInfo
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository) {

    var message: Message? = null
@ -112,10 +109,11 @@ class MessagePreviewPresenter @Inject constructor(

    fun onShare(): Boolean {
        message?.let {
-            var text = "Temat: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}\n" + when (it.sender.isNotEmpty()) {
-                true -> "Od: ${it.sender}\n"
-                false -> "Do: ${it.recipient}\n"
-            } + "Data: ${it.date.toFormattedString("yyyy-MM-dd HH:mm:ss")}\n\n${it.content}"
+            var text =
+                "Temat: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}\n" + when (it.sender.isNotEmpty()) {
+                    true -> "Od: ${it.sender}\n"
+                    false -> "Do: ${it.recipient}\n"
+                } + "Data: ${it.date.toFormattedString("yyyy-MM-dd HH:mm:ss")}\n\n${it.content}"

            attachments?.let { attachments ->
                if (attachments.isNotEmpty()) {
@ -127,7 +125,10 @@ class MessagePreviewPresenter @Inject constructor(
                }
            }

-            view?.shareText(text, "FW: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}")
+            view?.shareText(
+                text,
+                "FW: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}"
+            )
            return true
        }
        return false
@ -135,7 +136,6 @@ class MessagePreviewPresenter @Inject constructor(

    @SuppressLint("NewApi")
    fun onPrint(): Boolean {
-        if (appInfo.systemVersion < Build.VERSION_CODES.LOLLIPOP) return false
        message?.let {
            val dateString = it.date.toFormattedString("yyyy-MM-dd HH:mm:ss")
            val infoContent = "<div><h4>Data wysłania</h4>$dateString</div>" + when {
@ -154,7 +154,9 @@ class MessagePreviewPresenter @Inject constructor(

            view?.apply {
                val html = printHTML
-                    .replace("%SUBJECT%", it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() })
+                    .replace(
+                        "%SUBJECT%",
+                        it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() })
                    .replace("%CONTENT%", messageContent)
                    .replace("%INFO%", infoContent)
                printDocument(html, jobName)
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt
@ -1,7 +1,5 @@
 package io.github.wulkanowy.ui.modules.message.preview

-import android.os.Build
-import androidx.annotation.RequiresApi
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.MessageWithAttachment
 import io.github.wulkanowy.ui.base.BaseView
@ -42,8 +40,7 @@ interface MessagePreviewView : BaseView {

    fun shareText(text: String, subject: String)

-    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
-    fun printDocument(html: String, jobName: String)
-
    fun popView()
+
+    fun printDocument(html: String, jobName: String)
 }
--- 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
@ -127,10 +127,13 @@ class MessageTabPresenter @Inject constructor(
                                onlyUnread,
                                onlyWithAttachments
                            )
-                            val newItems = listOf(MessageTabDataItem.Header) + filteredData.map {
-                                MessageTabDataItem.MessageItem(it)
+                            val messageItems = filteredData.map { message ->
+                                MessageTabDataItem.MessageItem(message)
                            }
-                            updateData(newItems, folder.id == MessageFolder.SENT.id)
+                            val messageItemsWithHeader =
+                                listOf(MessageTabDataItem.Header) + messageItems
+
+                            updateData(messageItemsWithHeader, folder.id == MessageFolder.SENT.id)
                            notifyParentDataLoaded()
                        }
                    }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersFragment.kt
@ -77,9 +77,7 @@ class SchoolAndTeachersFragment :
            ).attach()
        }

-        with(binding.schoolandteachersTabLayout) {
-            setElevationCompat(context.dpToPx(4f))
-        }
+        binding.schoolandteachersTabLayout.elevation = requireContext().dpToPx(4f)
    }

    override fun showContent(show: Boolean) {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsFragment.kt
@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.settings.notifications

-import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.SharedPreferences
 import android.net.Uri
@ -152,7 +151,6 @@ class NotificationsFragment : PreferenceFragmentCompat(),
            .show()
    }

-    @SuppressLint("InlinedApi")
    override fun openSystemSettings() {
        val intent = if (appInfo.systemVersion >= Build.VERSION_CODES.O) {
            Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS).apply {
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
@ -1,29 +1,60 @@
 package io.github.wulkanowy.ui.modules.splash

+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.viewbinding.ViewBinding
 import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.services.shortcuts.ShortcutsHelper
 import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.modules.Destination
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.main.MainActivity
-import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.openInternetBrowser
 import javax.inject.Inject

+@SuppressLint("CustomSplashScreen")
@AndroidEntryPoint
 class SplashActivity : BaseActivity<SplashPresenter, ViewBinding>(), SplashView {

    @Inject
-    lateinit var appInfo: AppInfo
+    override lateinit var presenter: SplashPresenter

    @Inject
-    override lateinit var presenter: SplashPresenter
+    lateinit var shortcutsHelper: ShortcutsHelper
+
+    companion object {
+
+        private const val EXTRA_START_DESTINATION = "start_destination"
+
+        private const val EXTRA_EXTERNAL_URL = "external_url"
+
+        fun getStartIntent(
+            context: Context,
+            destination: Destination? = null,
+            startNewTask: Boolean = false
+        ) = Intent(context, SplashActivity::class.java).apply {
+            putExtra(EXTRA_START_DESTINATION, destination)
+
+            if (startNewTask) {
+                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            }
+        }
+    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        presenter.onAttachView(this, intent?.getStringExtra("external_url"))
+        installSplashScreen().setKeepVisibleCondition { true }
+
+        val externalLink = intent?.getStringExtra(EXTRA_EXTERNAL_URL)
+        val startDestination = intent?.getSerializableExtra(EXTRA_START_DESTINATION) as Destination?
+            ?: shortcutsHelper.getDestination(intent)
+
+        presenter.onAttachView(this, externalLink, startDestination)
    }

    override fun openLoginView() {
@ -31,8 +62,8 @@ class SplashActivity : BaseActivity<SplashPresenter, ViewBinding>(), SplashView
        finish()
    }

-    override fun openMainView() {
-        startActivity(MainActivity.getStartIntent(this))
+    override fun openMainView(destination: Destination?) {
+        startActivity(MainActivity.getStartIntent(this, destination))
        finish()
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
@ -1,12 +1,10 @@
 package io.github.wulkanowy.ui.modules.splash

-import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.flowWithResource
-import kotlinx.coroutines.flow.onEach
-import timber.log.Timber
+import io.github.wulkanowy.ui.modules.Destination
+import kotlinx.coroutines.launch
 import javax.inject.Inject

 class SplashPresenter @Inject constructor(
@ -14,7 +12,7 @@ class SplashPresenter @Inject constructor(
    studentRepository: StudentRepository,
 ) : BasePresenter<SplashView>(errorHandler, studentRepository) {

-    fun onAttachView(view: SplashView, externalUrl: String?) {
+    fun onAttachView(view: SplashView, externalUrl: String?, startDestination: Destination?) {
        super.onAttachView(view)

        if (!externalUrl.isNullOrBlank()) {
@ -22,15 +20,16 @@ class SplashPresenter @Inject constructor(
            return
        }

-        flowWithResource { studentRepository.isCurrentStudentSet() }.onEach {
-            when (it.status) {
-                Status.LOADING -> Timber.d("Is current user set check started")
-                Status.SUCCESS -> {
-                    if (it.data!!) view.openMainView()
-                    else view.openLoginView()
+        presenterScope.launch {
+            runCatching { studentRepository.isCurrentStudentSet() }
+                .onFailure(errorHandler::dispatch)
+                .onSuccess {
+                    if (it) {
+                        view.openMainView(startDestination)
+                    } else {
+                        view.openLoginView()
+                    }
                }
-                Status.ERROR -> errorHandler.dispatch(it.error!!)
-            }
-        }.launch()
+        }
    }
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
@ -1,12 +1,13 @@
 package io.github.wulkanowy.ui.modules.splash

 import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.Destination

 interface SplashView : BaseView {

    fun openLoginView()

-    fun openMainView()
+    fun openMainView(destination: Destination?)

    fun openExternalUrlAndFinish(url: String)
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
@ -97,7 +97,7 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
            timetableNavDate.setOnClickListener { presenter.onPickDate() }
            timetableNextButton.setOnClickListener { presenter.onNextDay() }

-            timetableNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            timetableNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
@ -72,7 +72,7 @@ class AdditionalLessonsFragment :
            additionalLessonsNavDate.setOnClickListener { presenter.onPickDate() }
            additionalLessonsNextButton.setOnClickListener { presenter.onNextDay() }

-            additionalLessonsNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            additionalLessonsNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
@ -79,7 +79,7 @@ class CompletedLessonsFragment :
            completedLessonsNavDate.setOnClickListener { presenter.onPickDate() }
            completedLessonsNextButton.setOnClickListener { presenter.onNextDay() }

-            completedLessonsNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            completedLessonsNavContainer.elevation = requireContext().dpToPx(8f)
        }
    }

--- 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
@ -2,7 +2,6 @@ package io.github.wulkanowy.ui.modules.timetablewidget

 import android.annotation.SuppressLint
 import android.app.PendingIntent
-import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.appwidget.AppWidgetManager
 import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_DELETED
 import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE
@ -25,8 +24,9 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.services.HiltBroadcastReceiver
 import io.github.wulkanowy.services.widgets.TimetableWidgetService
 import io.github.wulkanowy.ui.modules.Destination
-import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.splash.SplashActivity
 import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.PendingIntentCompat
 import io.github.wulkanowy.utils.capitalise
 import io.github.wulkanowy.utils.createNameInitialsDrawable
 import io.github.wulkanowy.utils.getCompatColor
@ -167,18 +167,20 @@ class TimetableWidgetProvider : HiltBroadcastReceiver() {
                action = appWidgetId.toString()
            }
        val accountIntent = PendingIntent.getActivity(
-            context, -Int.MAX_VALUE + appWidgetId,
+            context,
+            -Int.MAX_VALUE + appWidgetId,
            Intent(context, TimetableWidgetConfigureActivity::class.java).apply {
                addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)
                putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
                putExtra(EXTRA_FROM_PROVIDER, true)
-            }, FLAG_UPDATE_CURRENT
+            }, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
+
        )
        val appIntent = PendingIntent.getActivity(
            context,
            TIMETABLE_PENDING_INTENT_ID,
-            MainActivity.getStartIntent(context, Destination.Timetable(), true),
-            FLAG_UPDATE_CURRENT
+            SplashActivity.getStartIntent(context, Destination.Timetable(), true),
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
        )

        val remoteView = RemoteViews(context.packageName, layoutId).apply {
@ -222,16 +224,16 @@ class TimetableWidgetProvider : HiltBroadcastReceiver() {
        code: Int,
        appWidgetId: Int,
        buttonType: String
-    ): PendingIntent {
-        return PendingIntent.getBroadcast(
-            context, code,
-            Intent(context, TimetableWidgetProvider::class.java).apply {
-                action = ACTION_APPWIDGET_UPDATE
-                putExtra(EXTRA_BUTTON_TYPE, buttonType)
-                putExtra(EXTRA_TOGGLED_WIDGET_ID, appWidgetId)
-            }, FLAG_UPDATE_CURRENT
-        )
-    }
+    ) = PendingIntent.getBroadcast(
+        context,
+        code,
+        Intent(context, TimetableWidgetProvider::class.java).apply {
+            action = ACTION_APPWIDGET_UPDATE
+            putExtra(EXTRA_BUTTON_TYPE, buttonType)
+            putExtra(EXTRA_TOGGLED_WIDGET_ID, appWidgetId)
+        },
+        PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
+    )

    private suspend fun getStudent(studentId: Long, appWidgetId: Int) = try {
        val students = studentRepository.getSavedStudents(false)
--- a/app/src/main/java/io/github/wulkanowy/ui/widgets/FittedScrollableTabLayout.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/FittedScrollableTabLayout.kt
@ -3,17 +3,15 @@ package io.github.wulkanowy.ui.widgets
 import android.content.Context
 import android.util.AttributeSet
 import android.view.ViewGroup
+import com.google.android.material.tabs.TabLayout

 /**
 * @see <a href="https://stackoverflow.com/a/50382854">Tabs don't fit to screen with tabmode=scrollable, Even with a Custom Tab Layout</a>
 */
-class FittedScrollableTabLayout : MaterialTabLayout {
-
-    constructor(context: Context) : super(context)
-
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
-
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+class FittedScrollableTabLayout @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null
+) : TabLayout(context, attrs) {

    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
        setMeasuredDimension(widthMeasureSpec, heightMeasureSpec)
--- a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt
@ -1,24 +1,19 @@
 package io.github.wulkanowy.ui.widgets

 import android.content.Context
-import android.os.Build.VERSION.SDK_INT
-import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.util.AttributeSet
 import android.widget.LinearLayout
 import androidx.core.view.ViewCompat
-import com.google.android.material.elevation.ElevationOverlayProvider
 import com.google.android.material.shape.MaterialShapeDrawable

-class MaterialLinearLayout : LinearLayout {
-
-    constructor(context: Context) : super(context)
-
-    constructor(context: Context, attr: AttributeSet) : super(context, attr)
-
-    constructor(context: Context, attr: AttributeSet, defStyleAttr: Int) : super(context, attr, defStyleAttr)
+class MaterialLinearLayout @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null
+) : LinearLayout(context, attrs) {

    init {
-        val drawable = MaterialShapeDrawable.createWithElevationOverlay(context, ViewCompat.getElevation(this))
+        val drawable =
+            MaterialShapeDrawable.createWithElevationOverlay(context, ViewCompat.getElevation(this))
        ViewCompat.setBackground(this, drawable)
    }

@ -28,12 +23,4 @@ class MaterialLinearLayout : LinearLayout {
            (background as MaterialShapeDrawable).elevation = elevation
        }
    }
-
-    fun setElevationCompat(elevation: Float) {
-        if (SDK_INT >= LOLLIPOP) {
-            setElevation(elevation)
-        } else {
-            setBackgroundColor(ElevationOverlayProvider(context).compositeOverlayWithThemeSurfaceColorIfNeeded(elevation))
-        }
-    }
 }
--- a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt
@ -1,25 +0,0 @@
-package io.github.wulkanowy.ui.widgets
-
-import android.content.Context
-import android.os.Build.VERSION.SDK_INT
-import android.os.Build.VERSION_CODES.LOLLIPOP
-import android.util.AttributeSet
-import com.google.android.material.elevation.ElevationOverlayProvider
-import com.google.android.material.tabs.TabLayout
-
-open class MaterialTabLayout : TabLayout {
-
-    constructor(context: Context) : super(context)
-
-    constructor(context: Context, attr: AttributeSet) : super(context, attr)
-
-    constructor(context: Context, attr: AttributeSet, defStyleAttr: Int) : super(context, attr, defStyleAttr)
-
-    fun setElevationCompat(elevation: Float) {
-        if (SDK_INT >= LOLLIPOP) {
-            setElevation(elevation)
-        } else {
-            setBackgroundColor(ElevationOverlayProvider(context).compositeOverlayWithThemeSurfaceColorIfNeeded(elevation))
-        }
-    }
-}
--- a/app/src/main/java/io/github/wulkanowy/utils/PendingIntentCompat.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/PendingIntentCompat.kt
@ -0,0 +1,11 @@
+package io.github.wulkanowy.utils
+
+import android.app.PendingIntent
+import android.os.Build
+
+object PendingIntentCompat {
+
+    val FLAG_IMMUTABLE = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        PendingIntent.FLAG_IMMUTABLE
+    } else 0
+}
--- a/app/src/main/java/io/github/wulkanowy/utils/StringExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/StringExtension.kt
@ -4,6 +4,4 @@ inline fun String?.ifNullOrBlank(defaultValue: () -> String) =
    if (isNullOrBlank()) defaultValue() else this

 fun String.capitalise() =
-    replaceFirstChar { if (it.isLowerCase()) it.titlecase() else it.toString() }
-
-fun String.decapitalise() = replaceFirstChar { it.lowercase() }
+    replaceFirstChar { if (it.isLowerCase()) it.titlecase() else it.toString() }
--- a/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt
@ -2,10 +2,8 @@

 package io.github.wulkanowy.utils.security

-import android.annotation.TargetApi
 import android.content.Context
 import android.os.Build.VERSION.SDK_INT
-import android.os.Build.VERSION_CODES.JELLY_BEAN_MR2
 import android.os.Build.VERSION_CODES.M
 import android.security.KeyPairGeneratorSpec
 import android.security.keystore.KeyGenParameterSpec
@ -116,7 +114,6 @@ fun decrypt(cipherText: String): String {
    }
 }

-@TargetApi(JELLY_BEAN_MR2)
 private fun generateKeyPair(context: Context) {
    (if (SDK_INT >= M) {
        KeyGenParameterSpec.Builder(KEY_ALIAS, PURPOSE_DECRYPT or PURPOSE_ENCRYPT)