Add dark theme for app widgets (#509)

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

@@ -6,6 +6,7 @@ import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
@@ -25,6 +26,8 @@ class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigu
     @Inject
     override lateinit var presenter: LuckyNumberWidgetConfigurePresenter
 
+    private var dialog: AlertDialog? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setResult(RESULT_CANCELED)
@@ -36,11 +39,27 @@ class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigu
     }
 
     override fun initView() {
-        widgetConfigureRecycler.apply {
+        with(widgetConfigureRecycler) {
             adapter = configureAdapter
             layoutManager = SmoothScrollLinearLayoutManager(context)
         }
-        configureAdapter.setOnItemClickListener { presenter.onItemSelect(it) }
+
+        configureAdapter.setOnItemClickListener(presenter::onItemSelect)
+    }
+
+    override fun showThemeDialog() {
+        val items = arrayOf(
+            getString(R.string.widget_timetable_theme_light),
+            getString(R.string.widget_timetable_theme_dark)
+        )
+
+       dialog =  AlertDialog.Builder(this, R.style.WulkanowyTheme_WidgetAccountSwitcher)
+            .setTitle(R.string.widget_timetable_theme_title)
+           .setOnDismissListener { presenter.onDismissThemeView() }
+            .setSingleChoiceItems(items, -1) { _, which ->
+                presenter.onThemeSelect(which)
+            }
+            .show()
     }
 
     override fun updateData(data: List<LuckyNumberWidgetConfigureItem>) {
@@ -70,4 +89,9 @@ class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigu
     override fun openLoginView() {
         startActivity(LoginActivity.getStartIntent(this))
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        dialog?.dismiss()
+    }
 }

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

@@ -7,6 +7,7 @@ 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.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getStudentWidgetKey
+import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getThemeWidgetKey
 import io.github.wulkanowy.utils.SchedulersProvider
 import javax.inject.Inject
 
@@ -19,6 +20,8 @@ class LuckyNumberWidgetConfigurePresenter @Inject constructor(
 
     private var appWidgetId: Int? = null
 
+    private var selectedStudent: Student? = null
+
     fun onAttachView(view: LuckyNumberWidgetConfigureView, appWidgetId: Int?) {
         super.onAttachView(view)
         this.appWidgetId = appWidgetId
@@ -28,10 +31,22 @@ class LuckyNumberWidgetConfigurePresenter @Inject constructor(
 
     fun onItemSelect(item: AbstractFlexibleItem<*>) {
         if (item is LuckyNumberWidgetConfigureItem) {
-            registerStudent(item.student)
+            selectedStudent = item.student
+            view?.showThemeDialog()
         }
     }
 
+    fun onThemeSelect(index: Int) {
+        appWidgetId?.let {
+            sharedPref.putLong(getThemeWidgetKey(it), index.toLong())
+        }
+        registerStudent(selectedStudent)
+    }
+
+    fun onDismissThemeView(){
+        view?.finishView()
+    }
+
     private fun loadData() {
         disposable.add(studentRepository.getSavedStudents(false)
             .map { it to appWidgetId?.let { id -> sharedPref.getLong(getStudentWidgetKey(id), 0) } }
@@ -49,12 +64,14 @@ class LuckyNumberWidgetConfigurePresenter @Inject constructor(
             }, { errorHandler.dispatch(it) }))
     }
 
-    private fun registerStudent(student: Student) {
+    private fun registerStudent(student: Student?) {
-        appWidgetId?.also {
+        requireNotNull(student)
-            sharedPref.putLong(getStudentWidgetKey(it), student.id)
+
-            view?.apply {
+        appWidgetId?.let { id ->
-                updateLuckyNumberWidget(it)
+            sharedPref.putLong(getStudentWidgetKey(id), student.id)
-                setSuccessResult(it)
+            view?.run {
+                updateLuckyNumberWidget(id)
+                setSuccessResult(id)
             }
         }
         view?.finishView()

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

@@ -1,12 +1,13 @@
 package io.github.wulkanowy.ui.modules.luckynumberwidget
 
 import io.github.wulkanowy.ui.base.BaseView
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetConfigureItem
 
 interface LuckyNumberWidgetConfigureView : BaseView {
 
     fun initView()
 
+    fun showThemeDialog()
+
     fun updateData(data: List<LuckyNumberWidgetConfigureItem>)
 
     fun updateLuckyNumberWidget(widgetId: Int)

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

@@ -55,7 +55,10 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
     lateinit var sharedPref: SharedPrefProvider
 
     companion object {
+
         fun getStudentWidgetKey(appWidgetId: Int) = "lucky_number_widget_student_$appWidgetId"
+
+        fun getThemeWidgetKey(appWidgetId: Int) = "lucky_number_widget_theme_$appWidgetId"
     }
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@@ -70,24 +73,26 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
 
     private fun onUpdate(context: Context, intent: Intent) {
         intent.getIntArrayExtra(EXTRA_APPWIDGET_IDS)?.forEach { appWidgetId ->
-            RemoteViews(context.packageName, R.layout.widget_luckynumber).apply {
+            val savedTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
-                setTextViewText(R.id.luckyNumberWidgetNumber,
+            val layoutId = if (savedTheme == 0L) R.layout.widget_luckynumber else R.layout.widget_luckynumber_dark
-                    getLuckyNumber(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)?.luckyNumber?.toString() ?: "#"
+
-                )
+            val luckyNumber = getLuckyNumber(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)
-                setOnClickPendingIntent(R.id.luckyNumberWidgetContainer,
+            val appIntent = PendingIntent.getActivity(context, MainView.Section.LUCKY_NUMBER.id,
-                    PendingIntent.getActivity(context, MainView.Section.LUCKY_NUMBER.id,
+                MainActivity.getStartIntent(context, MainView.Section.LUCKY_NUMBER, true), FLAG_UPDATE_CURRENT)
-                        MainActivity.getStartIntent(context, MainView.Section.LUCKY_NUMBER, true), FLAG_UPDATE_CURRENT))
+
-            }.also {
+            val remoteView = RemoteViews(context.packageName, layoutId).apply {
-                setStyles(it, intent)
+                setTextViewText(R.id.luckyNumberWidgetNumber, luckyNumber?.luckyNumber?.toString() ?: "#")
-                appWidgetManager.updateAppWidget(appWidgetId, it)
+                setOnClickPendingIntent(R.id.luckyNumberWidgetContainer, appIntent)
             }
+
+            setStyles(remoteView, intent)
+            appWidgetManager.updateAppWidget(appWidgetId, remoteView)
         }
     }
 
     private fun onDelete(intent: Intent) {
-        intent.getIntExtra(EXTRA_APPWIDGET_ID, 0).let {
+        val appWidgetId = intent.getIntExtra(EXTRA_APPWIDGET_ID, 0)
-            if (it != 0) sharedPref.delete(getStudentWidgetKey(it))
+        if (appWidgetId != 0) sharedPref.delete(getStudentWidgetKey(appWidgetId))
-        }
     }
 
     private fun getLuckyNumber(studentId: Long, appWidgetId: Int): LuckyNumber? {
@@ -96,19 +101,17 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
                 .filter { true }
                 .flatMap { studentRepository.getSavedStudents().toMaybe() }
                 .flatMap { students ->
-                    students.singleOrNull { student -> student.id == studentId }
+                    val student = students.singleOrNull { student -> student.id == studentId }
-                        .let { student ->
+                    when {
-                            when {
+                        student != null -> Maybe.just(student)
-                                student != null -> Maybe.just(student)
+                        studentId != 0L -> {
-                                studentId != 0L -> {
+                            studentRepository.isCurrentStudentSet()
-                                    studentRepository.isCurrentStudentSet()
+                                .filter { true }
-                                        .filter { true }
+                                .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
-                                        .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
+                                .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                        .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                }
-                                else -> Maybe.empty()
-                            }
                         }
+                        else -> Maybe.empty()
+                    }
                 }
                 .flatMap { semesterRepository.getCurrentSemester(it).toMaybe() }
                 .flatMap { luckyNumberRepository.getLuckyNumber(it) }
@@ -123,11 +126,14 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
     }
 
     private fun onOptionsChange(context: Context, intent: Intent) {
-        intent.extras?.let { extras ->
+        intent.extras?.getInt(EXTRA_APPWIDGET_ID)?.let { appWidgetId ->
-            RemoteViews(context.packageName, R.layout.widget_luckynumber).apply {
+            val savedTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
-                setStyles(this, intent)
+            val layoutId = if (savedTheme == 0L) R.layout.widget_luckynumber else R.layout.widget_luckynumber_dark
-                appWidgetManager.updateAppWidget(extras.getInt(EXTRA_APPWIDGET_ID), this)
+
-            }
+            val remoteView = RemoteViews(context.packageName, layoutId)
+
+            setStyles(remoteView, intent)
+            appWidgetManager.updateAppWidget(appWidgetId, remoteView)
         }
     }
 
@@ -144,7 +150,7 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
             // 1x1
             maxWidth < 150 && maxHeight < 110 -> {
                 Timber.d("Lucky number widget size: 1x1")
-                views.run {
+                with(views) {
                     setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
@@ -154,7 +160,7 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
             // 1x2
             maxWidth < 150 && maxHeight > 110 -> {
                 Timber.d("Lucky number widget size: 1x2")
-                views.run {
+                with(views) {
                     setViewVisibility(R.id.luckyNumberWidgetImageTop, VISIBLE)
                     setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
@@ -164,7 +170,7 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
             // 2x1
             maxWidth >= 150 && maxHeight <= 110 -> {
                 Timber.d("Lucky number widget size: 2x1")
-                views.run {
+                with(views) {
                     setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetImageLeft, VISIBLE)
                     setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
@@ -174,7 +180,7 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
             // 2x2 and bigger
             else -> {
                 Timber.d("Lucky number widget size: 2x2 and bigger")
-                views.run {
+                with(views) {
                     setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
                     setViewVisibility(R.id.luckyNumberWidgetTitle, VISIBLE)

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

@@ -7,6 +7,7 @@ import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.appcompat.app.AlertDialog
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
@@ -27,6 +28,8 @@ class TimetableWidgetConfigureActivity : BaseActivity<TimetableWidgetConfigurePr
     @Inject
     override lateinit var presenter: TimetableWidgetConfigurePresenter
 
+    private var dialog: AlertDialog? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setResult(RESULT_CANCELED)
@@ -38,11 +41,27 @@ class TimetableWidgetConfigureActivity : BaseActivity<TimetableWidgetConfigurePr
     }
 
     override fun initView() {
-        widgetConfigureRecycler.apply {
+        with(widgetConfigureRecycler) {
             adapter = configureAdapter
             layoutManager = SmoothScrollLinearLayoutManager(context)
         }
-        configureAdapter.setOnItemClickListener { presenter.onItemSelect(it) }
+
+        configureAdapter.setOnItemClickListener(presenter::onItemSelect)
+    }
+
+    override fun showThemeDialog() {
+        val items = arrayOf(
+            getString(R.string.widget_timetable_theme_light),
+            getString(R.string.widget_timetable_theme_dark)
+        )
+
+        dialog = AlertDialog.Builder(this, R.style.WulkanowyTheme_WidgetAccountSwitcher)
+            .setTitle(R.string.widget_timetable_theme_title)
+            .setOnDismissListener { presenter.onDismissThemeView() }
+            .setSingleChoiceItems(items, -1) { _, which ->
+                presenter.onThemeSelect(which)
+            }
+            .show()
     }
 
     override fun updateData(data: List<TimetableWidgetConfigureItem>) {
@@ -72,4 +91,9 @@ class TimetableWidgetConfigureActivity : BaseActivity<TimetableWidgetConfigurePr
     override fun openLoginView() {
         startActivity(LoginActivity.getStartIntent(this))
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        dialog?.dismiss()
+    }
 }

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

@@ -7,6 +7,7 @@ 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.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
+import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getThemeWidgetKey
 import io.github.wulkanowy.utils.SchedulersProvider
 import javax.inject.Inject
 
@@ -21,6 +22,8 @@ class TimetableWidgetConfigurePresenter @Inject constructor(
 
     private var isFromProvider = false
 
+    private var selectedStudent: Student? = null
+
     fun onAttachView(view: TimetableWidgetConfigureView, appWidgetId: Int?, isFromProvider: Boolean?) {
         super.onAttachView(view)
         this.appWidgetId = appWidgetId
@@ -31,10 +34,24 @@ class TimetableWidgetConfigurePresenter @Inject constructor(
 
     fun onItemSelect(item: AbstractFlexibleItem<*>) {
         if (item is TimetableWidgetConfigureItem) {
-            registerStudent(item.student)
+            selectedStudent = item.student
+
+            if (isFromProvider) registerStudent(selectedStudent)
+            else view?.showThemeDialog()
         }
     }
 
+    fun onThemeSelect(index: Int) {
+        appWidgetId?.let {
+            sharedPref.putLong(getThemeWidgetKey(it), index.toLong())
+        }
+        registerStudent(selectedStudent)
+    }
+
+    fun onDismissThemeView(){
+        view?.finishView()
+    }
+
     private fun loadData() {
         disposable.add(studentRepository.getSavedStudents(false)
             .map { it to appWidgetId?.let { id -> sharedPref.getLong(getStudentWidgetKey(id), 0) } }
@@ -46,18 +63,23 @@ class TimetableWidgetConfigurePresenter @Inject constructor(
             .subscribe({
                 when {
                     it.isEmpty() -> view?.openLoginView()
-                    it.size == 1 && !isFromProvider -> registerStudent(it.single().student)
+                    it.size == 1 && !isFromProvider -> {
+                        selectedStudent = it.single().student
+                        view?.showThemeDialog()
+                    }
                     else -> view?.updateData(it)
                 }
             }, { errorHandler.dispatch(it) }))
     }
 
-    private fun registerStudent(student: Student) {
+    private fun registerStudent(student: Student?) {
-        appWidgetId?.also {
+        requireNotNull(student)
-            sharedPref.putLong(getStudentWidgetKey(it), student.id)
+
-            view?.apply {
+        appWidgetId?.let { id ->
-                updateTimetableWidget(it)
+            sharedPref.putLong(getStudentWidgetKey(id), student.id)
-                setSuccessResult(it)
+            view?.run {
+                updateTimetableWidget(id)
+                setSuccessResult(id)
             }
         }
         view?.finishView()

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

@@ -10,6 +10,8 @@ interface TimetableWidgetConfigureView : BaseView {
 
     fun updateTimetableWidget(widgetId: Int)
 
+    fun showThemeDialog()
+
     fun setSuccessResult(widgetId: Int)
 
     fun finishView()

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

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.timetablewidget
 
+import android.annotation.SuppressLint
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
 import android.content.Context
 import android.content.Intent
@@ -18,6 +19,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getDateWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
+import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getThemeWidgetKey
 import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.toFormattedString
 import io.reactivex.Maybe
@@ -36,6 +38,8 @@ class TimetableWidgetFactory(
 
     private var lessons = emptyList<Timetable>()
 
+    private var layoutId: Int? = null
+
     override fun getLoadingView() = null
 
     override fun hasStableIds() = true
@@ -55,16 +59,18 @@ class TimetableWidgetFactory(
             val date = LocalDate.ofEpochDay(sharedPref.getLong(getDateWidgetKey(appWidgetId), 0))
             val studentId = sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0)
 
+            val savedTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
+            layoutId = if (savedTheme == 0L) R.layout.item_widget_timetable else R.layout.item_widget_timetable_dark
+
             lessons = try {
                 studentRepository.isStudentSaved()
                     .filter { true }
                     .flatMap { studentRepository.getSavedStudents().toMaybe() }
                     .flatMap {
-                        it.singleOrNull { student -> student.id == studentId }
+                        val student = it.singleOrNull { student -> student.id == studentId }
-                            .let { student ->
+
-                                if (student != null) Maybe.just(student)
+                        if (student != null) Maybe.just(student)
-                                else Maybe.empty()
+                        else Maybe.empty()
-                            }
                     }
                     .flatMap { semesterRepository.getCurrentSemester(it).toMaybe() }
                     .flatMap { timetableRepository.getTimetable(it, date, date).toMaybe() }
@@ -78,39 +84,42 @@ class TimetableWidgetFactory(
         }
     }
 
+    @SuppressLint("DefaultLocale")
     override fun getViewAt(position: Int): RemoteViews? {
         if (position == INVALID_POSITION || lessons.getOrNull(position) == null) return null
 
-        return RemoteViews(context.packageName, R.layout.item_widget_timetable).apply {
+        return RemoteViews(context.packageName, layoutId!!).apply {
-            lessons[position].let {
+            val lesson = lessons[position]
-                setTextViewText(R.id.timetableWidgetItemSubject, it.subject)
-                setTextViewText(R.id.timetableWidgetItemNumber, it.number.toString())
-                setTextViewText(R.id.timetableWidgetItemTime, it.start.toFormattedString("HH:mm") +
-                    " - ${it.end.toFormattedString("HH:mm")}")
 
-                if (it.room.isNotBlank()) {
+            setTextViewText(R.id.timetableWidgetItemSubject, lesson.subject)
-                    setTextViewText(R.id.timetableWidgetItemRoom, "${context.getString(R.string.timetable_room)} ${it.room}")
+            setTextViewText(R.id.timetableWidgetItemNumber, lesson.number.toString())
-                } else setTextViewText(R.id.timetableWidgetItemRoom, "")
+            setTextViewText(R.id.timetableWidgetItemTime, lesson.start.toFormattedString("HH:mm") +
+                " - ${lesson.end.toFormattedString("HH:mm")}")
 
-                if (it.info.isNotBlank()) {
+            if (lesson.room.isNotBlank()) {
-                    setViewVisibility(R.id.timetableWidgetItemDescription, VISIBLE)
+                setTextViewText(R.id.timetableWidgetItemRoom, "${context.getString(R.string.timetable_room)} ${lesson.room}")
-                    setTextViewText(R.id.timetableWidgetItemDescription, it.run {
+            } else setTextViewText(R.id.timetableWidgetItemRoom, "")
+
+            if (lesson.info.isNotBlank()) {
+                setViewVisibility(R.id.timetableWidgetItemDescription, VISIBLE)
+                setTextViewText(R.id.timetableWidgetItemDescription,
+                    with(lesson) {
                         when (true) {
-                            canceled && !changes -> "Lekcja odwołana: $info"
+                            canceled && !changes -> "Lekcja odwołana: ${lesson.info}"
-                            changes && teacher.isNotBlank() -> "Zastępstwo: $teacher"
+                            changes && teacher.isNotBlank() -> "Zastępstwo: ${lesson.teacher}"
-                            changes && teacher.isBlank() -> "Zastępstwo, ${info.decapitalize()}"
+                            changes && teacher.isBlank() -> "Zastępstwo, ${lesson.info.decapitalize()}"
-                            else -> it.info.capitalize()
+                            else -> info.capitalize()
                         }
                     })
-                } else setViewVisibility(R.id.timetableWidgetItemDescription, GONE)
+            } else setViewVisibility(R.id.timetableWidgetItemDescription, GONE)
 
-                if (it.canceled) {
+            if (lesson.canceled) {
-                    setInt(R.id.timetableWidgetItemSubject, "setPaintFlags",
+                setInt(R.id.timetableWidgetItemSubject, "setPaintFlags",
-                        STRIKE_THRU_TEXT_FLAG or ANTI_ALIAS_FLAG)
+                    STRIKE_THRU_TEXT_FLAG or ANTI_ALIAS_FLAG)
-                } else {
+            } else {
-                    setInt(R.id.timetableWidgetItemSubject, "setPaintFlags", ANTI_ALIAS_FLAG)
+                setInt(R.id.timetableWidgetItemSubject, "setPaintFlags", ANTI_ALIAS_FLAG)
-                }
             }
+
             setOnClickFillInIntent(R.id.timetableWidgetItemContainer, Intent())
         }
     }

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

@@ -54,21 +54,24 @@ class TimetableWidgetProvider : BroadcastReceiver() {
     lateinit var analytics: FirebaseAnalyticsHelper
 
     companion object {
+
+        private const val EXTRA_TOGGLED_WIDGET_ID = "extraToggledWidget"
+
+        private const val EXTRA_BUTTON_TYPE = "extraButtonType"
+
+        private const val BUTTON_NEXT = "buttonNext"
+
+        private const val BUTTON_PREV = "buttonPrev"
+
+        private const val BUTTON_RESET = "buttonReset"
+
         const val EXTRA_FROM_PROVIDER = "extraFromProvider"
 
-        const val EXTRA_TOGGLED_WIDGET_ID = "extraToggledWidget"
-
-        const val EXTRA_BUTTON_TYPE = "extraButtonType"
-
-        const val BUTTON_NEXT = "buttonNext"
-
-        const val BUTTON_PREV = "buttonPrev"
-
-        const val BUTTON_RESET = "buttonReset"
-
         fun getDateWidgetKey(appWidgetId: Int) = "timetable_widget_date_$appWidgetId"
 
         fun getStudentWidgetKey(appWidgetId: Int) = "timetable_widget_student_$appWidgetId"
+
+        fun getThemeWidgetKey(appWidgetId: Int) = "timetable_widget_theme_$appWidgetId"
     }
 
     override fun onReceive(context: Context, intent: Intent) {
@@ -102,45 +105,56 @@ class TimetableWidgetProvider : BroadcastReceiver() {
     }
 
     private fun onDelete(intent: Intent) {
-        intent.getIntExtra(EXTRA_APPWIDGET_ID, 0).let {
+        val appWidgetId = intent.getIntExtra(EXTRA_APPWIDGET_ID, 0)
-            if (it != 0) {
+
-                sharedPref.apply {
+        if (appWidgetId != 0) {
-                    delete(getStudentWidgetKey(it))
+            with(sharedPref) {
-                    delete(getDateWidgetKey(it))
+                delete(getStudentWidgetKey(appWidgetId))
-                }
+                delete(getDateWidgetKey(appWidgetId))
             }
         }
     }
 
     @SuppressLint("DefaultLocale")
     private fun updateWidget(context: Context, appWidgetId: Int, date: LocalDate, student: Student?) {
-        RemoteViews(context.packageName, R.layout.widget_timetable).apply {
+        val savedTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
+        val layoutId = if (savedTheme == 0L) R.layout.widget_timetable else R.layout.widget_timetable_dark
+
+        val nextNavIntent = createNavIntent(context, appWidgetId, appWidgetId, BUTTON_NEXT)
+        val prevNavIntent = createNavIntent(context, -appWidgetId, appWidgetId, BUTTON_PREV)
+        val resetNavIntent = createNavIntent(context, Int.MAX_VALUE - appWidgetId, appWidgetId, BUTTON_RESET)
+        val adapterIntent = Intent(context, TimetableWidgetService::class.java)
+            .apply {
+                putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
+                //make Intent unique
+                action = appWidgetId.toString()
+            }
+        val accountIntent = PendingIntent.getActivity(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)
+        val appIntent = PendingIntent.getActivity(context, MainView.Section.TIMETABLE.id,
+            MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true), FLAG_UPDATE_CURRENT)
+
+        val remoteView = RemoteViews(context.packageName, layoutId).apply {
             setEmptyView(R.id.timetableWidgetList, R.id.timetableWidgetEmpty)
             setTextViewText(R.id.timetableWidgetDate, "${date.shortcutWeekDayName.capitalize()} ${date.toFormattedString()}")
             setTextViewText(R.id.timetableWidgetName, student?.studentName ?: context.getString(R.string.all_no_data))
-            setRemoteAdapter(R.id.timetableWidgetList, Intent(context, TimetableWidgetService::class.java)
+            setRemoteAdapter(R.id.timetableWidgetList, adapterIntent)
-                .apply { putExtra(EXTRA_APPWIDGET_ID, appWidgetId) })
+            setOnClickPendingIntent(R.id.timetableWidgetNext, nextNavIntent)
-            setOnClickPendingIntent(R.id.timetableWidgetNext, createNavIntent(context, appWidgetId, appWidgetId, BUTTON_NEXT))
+            setOnClickPendingIntent(R.id.timetableWidgetPrev, prevNavIntent)
-            setOnClickPendingIntent(R.id.timetableWidgetPrev, createNavIntent(context, -appWidgetId, appWidgetId, BUTTON_PREV))
+            setOnClickPendingIntent(R.id.timetableWidgetDate, resetNavIntent)
-            createNavIntent(context, Int.MAX_VALUE - appWidgetId, appWidgetId, BUTTON_RESET).let {
+            setOnClickPendingIntent(R.id.timetableWidgetName, resetNavIntent)
-                setOnClickPendingIntent(R.id.timetableWidgetDate, it)
+            setOnClickPendingIntent(R.id.timetableWidgetAccount, accountIntent)
-                setOnClickPendingIntent(R.id.timetableWidgetName, it)
+            setPendingIntentTemplate(R.id.timetableWidgetList, appIntent)
-            }
+        }
-            setOnClickPendingIntent(R.id.timetableWidgetAccount, PendingIntent.getActivity(context, -Int.MAX_VALUE + appWidgetId,
+
-                Intent(context, TimetableWidgetConfigureActivity::class.java).apply {
+        sharedPref.putLong(getDateWidgetKey(appWidgetId), date.toEpochDay(), true)
-                    addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)
+        with(appWidgetManager) {
-                    putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
+            notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
-                    putExtra(EXTRA_FROM_PROVIDER, true)
+            updateAppWidget(appWidgetId, remoteView)
-                }, FLAG_UPDATE_CURRENT))
-            setPendingIntentTemplate(R.id.timetableWidgetList,
-                PendingIntent.getActivity(context, MainView.Section.TIMETABLE.id,
-                    MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true), FLAG_UPDATE_CURRENT))
-        }.also {
-            sharedPref.putLong(getDateWidgetKey(appWidgetId), date.toEpochDay(), true)
-            appWidgetManager.apply {
-                notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
-                updateAppWidget(appWidgetId, it)
-            }
         }
     }
 
@@ -159,19 +173,17 @@ class TimetableWidgetProvider : BroadcastReceiver() {
                 .filter { true }
                 .flatMap { studentRepository.getSavedStudents(false).toMaybe() }
                 .flatMap { students ->
-                    students.singleOrNull { student -> student.id == studentId }
+                    val student = students.singleOrNull { student -> student.id == studentId }
-                        .let { student ->
+                    when {
-                            when {
+                        student != null -> Maybe.just(student)
-                                student != null -> Maybe.just(student)
+                        studentId != 0L -> {
-                                studentId != 0L -> {
+                            studentRepository.isCurrentStudentSet()
-                                    studentRepository.isCurrentStudentSet()
+                                .filter { true }
-                                        .filter { true }
+                                .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
-                                        .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
+                                .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                        .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                }
-                                else -> Maybe.empty()
-                            }
                         }
+                        else -> Maybe.empty()
+                    }
                 }
                 .subscribeOn(schedulers.backgroundThread)
                 .blockingGet()

app/src/main/res/drawable/background_luckynumber_widget.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <solid android:color="#FFF" />
+    <solid android:color="@android:color/white" />
     <corners android:radius="5dp" />
 </shape>

app/src/main/res/drawable/background_luckynumber_widget_dark.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/colorWidgetBackground" />
+    <corners android:radius="5dp" />
+</shape>

app/src/main/res/layout/item_widget_timetable.xml

@@ -1,85 +1,95 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/timetableWidgetItemContainer"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="@drawable/ic_all_divider"
     android:minHeight="45dp"
-    android:orientation="horizontal"
+    android:orientation="vertical"
     tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
 
-    <TextView
+    <RelativeLayout
-        android:id="@+id/timetableWidgetItemNumber"
+        android:layout_width="match_parent"
-        android:layout_width="45dp"
-        android:layout_height="45dp"
-        android:layout_centerVertical="true"
-        android:layout_marginStart="5dp"
-        android:layout_marginLeft="5dp"
-        android:gravity="center"
-        android:maxLines="1"
-        android:textColor="@android:color/black"
-        android:textSize="25sp"
-        tools:text="1" />
-
-    <TextView
-        android:id="@+id/timetableWidgetItemTime"
-        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
+        android:background="@android:color/white">
-        android:layout_marginStart="5dp"
-        android:layout_marginLeft="5dp"
-        android:layout_marginTop="10dp"
-        android:layout_toEndOf="@id/timetableWidgetItemNumber"
-        android:layout_toRightOf="@id/timetableWidgetItemNumber"
-        android:textColor="@android:color/secondary_text_light"
-        android:textSize="13sp"
-        tools:text="08:00 - 08:45" />
 
-    <TextView
+        <TextView
-        android:id="@+id/timetableWidgetItemSubject"
+            android:id="@+id/timetableWidgetItemNumber"
-        android:layout_width="wrap_content"
+            android:layout_width="45dp"
-        android:layout_height="wrap_content"
+            android:layout_height="45dp"
-        android:layout_marginStart="15dp"
+            android:layout_centerVertical="true"
-        android:layout_marginLeft="15dp"
+            android:layout_marginStart="5dp"
-        android:layout_marginTop="5dp"
+            android:layout_marginLeft="5dp"
-        android:layout_marginEnd="25dp"
+            android:gravity="center"
-        android:layout_marginRight="25dp"
+            android:maxLines="1"
-        android:layout_toEndOf="@id/timetableWidgetItemTime"
+            android:textColor="@android:color/black"
-        android:layout_toRightOf="@id/timetableWidgetItemTime"
+            android:textSize="25sp"
-        android:textColor="@android:color/secondary_text_light"
+            tools:text="1" />
-        android:textSize="13sp"
-        tools:text="@tools:sample/lorem" />
 
-    <TextView
+        <TextView
-        android:id="@+id/timetableWidgetItemDescription"
+            android:id="@+id/timetableWidgetItemTime"
-        android:layout_width="wrap_content"
+            android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+            android:layout_height="wrap_content"
-        android:layout_below="@id/timetableWidgetItemSubject"
+            android:layout_alignParentTop="true"
-        android:layout_marginStart="15dp"
+            android:layout_marginStart="5dp"
-        android:layout_marginLeft="15dp"
+            android:layout_marginLeft="5dp"
-        android:layout_marginTop="3dp"
+            android:layout_marginTop="10dp"
-        android:layout_marginEnd="25dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
-        android:layout_marginRight="25dp"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
-        android:layout_marginBottom="5dp"
+            android:textColor="@android:color/black"
-        android:layout_toEndOf="@id/timetableWidgetItemTime"
+            android:textSize="13sp"
-        android:layout_toRightOf="@id/timetableWidgetItemTime"
+            tools:text="08:00 - 08:45" />
-        android:textColor="@color/colorPrimaryDark"
-        android:textSize="12sp"
-        tools:text="Lekcja odwołana: uczniowie zwolnieni do domu" />
 
-    <TextView
+        <TextView
-        android:id="@+id/timetableWidgetItemRoom"
+            android:id="@+id/timetableWidgetItemSubject"
-        android:layout_width="wrap_content"
+            android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+            android:layout_height="wrap_content"
-        android:layout_below="@id/timetableWidgetItemTime"
+            android:layout_marginStart="15dp"
-        android:layout_marginStart="5dp"
+            android:layout_marginLeft="15dp"
-        android:layout_marginLeft="5dp"
+            android:layout_marginTop="5dp"
-        android:layout_marginTop="3dp"
+            android:layout_marginEnd="25dp"
-        android:layout_marginBottom="5dp"
+            android:layout_marginRight="25dp"
-        android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toEndOf="@id/timetableWidgetItemTime"
-        android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemTime"
-        android:textColor="@android:color/secondary_text_light"
+            android:textColor="@android:color/black"
-        android:textSize="12sp"
+            android:textSize="13sp"
-        tools:text="Sala 25" />
+            tools:text="@tools:sample/lorem" />
-</RelativeLayout>
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/timetableWidgetItemSubject"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginTop="3dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:layout_marginBottom="5dp"
+            android:layout_toEndOf="@id/timetableWidgetItemTime"
+            android:layout_toRightOf="@id/timetableWidgetItemTime"
+            android:textColor="@color/colorPrimaryDark"
+            android:textSize="12sp"
+            tools:text="Lekcja odwołana: uczniowie zwolnieni do domu" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/timetableWidgetItemTime"
+            android:layout_marginStart="5dp"
+            android:layout_marginLeft="5dp"
+            android:layout_marginTop="3dp"
+            android:layout_marginBottom="5dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:textColor="@android:color/black"
+            android:textSize="12sp"
+            tools:text="Sala 25" />
+    </RelativeLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDivider" />
+</LinearLayout>

app/src/main/res/layout/item_widget_timetable_dark.xml

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/timetableWidgetItemContainer"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="45dp"
+    android:orientation="vertical"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/colorWidgetBackground">
+
+        <TextView
+            android:id="@+id/timetableWidgetItemNumber"
+            android:layout_width="45dp"
+            android:layout_height="45dp"
+            android:layout_centerVertical="true"
+            android:layout_marginStart="5dp"
+            android:layout_marginLeft="5dp"
+            android:gravity="center"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="25sp"
+            tools:text="1" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTime"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:layout_marginStart="5dp"
+            android:layout_marginLeft="5dp"
+            android:layout_marginTop="10dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="08:00 - 08:45" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginTop="5dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:layout_toEndOf="@id/timetableWidgetItemTime"
+            android:layout_toRightOf="@id/timetableWidgetItemTime"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="@tools:sample/lorem" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/timetableWidgetItemSubject"
+            android:layout_marginStart="15dp"
+            android:layout_marginLeft="15dp"
+            android:layout_marginTop="3dp"
+            android:layout_marginEnd="25dp"
+            android:layout_marginRight="25dp"
+            android:layout_marginBottom="5dp"
+            android:layout_toEndOf="@id/timetableWidgetItemTime"
+            android:layout_toRightOf="@id/timetableWidgetItemTime"
+            android:textColor="@color/colorPrimaryLight"
+            android:textSize="12sp"
+            tools:text="Lekcja odwołana: uczniowie zwolnieni do domu" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/timetableWidgetItemTime"
+            android:layout_marginStart="5dp"
+            android:layout_marginLeft="5dp"
+            android:layout_marginTop="3dp"
+            android:layout_marginBottom="5dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:textColor="@android:color/white"
+            android:textSize="12sp"
+            tools:text="Sala 25" />
+    </RelativeLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDividerInverse" />
+</LinearLayout>

app/src/main/res/layout/widget_luckynumber.xml

@@ -4,7 +4,7 @@
     android:id="@+id/luckyNumberWidgetContainer"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    android:background="@drawable/backgorund_luckynumber_widget"
+    android:background="@drawable/background_luckynumber_widget"
     android:gravity="center"
     android:padding="10dp"
     tools:context=".ui.modules.luckynumberwidget.LuckyNumberWidgetProvider">

app/src/main/res/layout/widget_luckynumber_dark.xml

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/luckyNumberWidgetContainer"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:background="@drawable/background_luckynumber_widget_dark"
+    android:gravity="center"
+    android:padding="10dp"
+    tools:context=".ui.modules.luckynumberwidget.LuckyNumberWidgetProvider">
+
+    <ImageView
+        android:id="@+id/luckyNumberWidgetImageTop"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_above="@id/luckyNumberWidgetNumber"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="20dp"
+        android:contentDescription="@string/lucky_number_title"
+        android:gravity="center"
+        android:src="@drawable/ic_widget_clover"
+        android:tint="@android:color/white"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/luckyNumberWidgetTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="0dp"
+        android:gravity="center"
+        android:labelFor="@id/luckyNumberWidgetImageTop"
+        android:text="@string/lucky_number_title"
+        android:textAlignment="center"
+        android:textColor="@android:color/white"
+        android:textSize="22sp"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <ImageView
+        android:id="@+id/luckyNumberWidgetImageLeft"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@id/luckyNumberWidgetNumber"
+        android:contentDescription="@string/lucky_number_title"
+        android:src="@drawable/ic_widget_clover"
+        android:tint="@android:color/white"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/luckyNumberWidgetNumber"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/luckyNumberWidgetTitle"
+        android:layout_toEndOf="@id/luckyNumberWidgetImageLeft"
+        android:layout_toRightOf="@id/luckyNumberWidgetImageLeft"
+        android:gravity="center"
+        android:text="#"
+        android:textAlignment="center"
+        android:textColor="@android:color/white"
+        android:textSize="34sp"
+        tools:ignore="HardcodedText"
+        tools:text="13" />
+</RelativeLayout>

app/src/main/res/layout/widget_timetable_dark.xml

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorWidgetBackground"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetProvider">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:background="@color/colorWidgetTopBar">
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toStartOf="@id/timetableWidgetAccount"
+            android:layout_toLeftOf="@id/timetableWidgetAccount"
+            android:layout_toEndOf="@id/timetableWidgetNext"
+            android:layout_toRightOf="@id/timetableWidgetNext"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/timetableWidgetDate"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginLeft="10dp"
+                android:maxLines="1"
+                android:textColor="@android:color/white"
+                android:textSize="15sp"
+                tools:text="Pon. 30.03.2019" />
+
+            <TextView
+                android:id="@+id/timetableWidgetName"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginLeft="10dp"
+                android:maxLines="1"
+                android:textColor="@android:color/white"
+                android:textSize="13sp"
+                tools:text="Jan Kowalski" />
+        </LinearLayout>
+
+        <ImageButton
+            android:id="@+id/timetableWidgetAccount"
+            android:layout_width="50dp"
+            android:layout_height="match_parent"
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentRight="true"
+            android:background="?android:selectableItemBackground"
+            android:contentDescription="@string/account_title"
+            android:src="@drawable/ic_widget_account" />
+
+        <ImageButton
+            android:id="@+id/timetableWidgetPrev"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:backgroundTint="@color/colorWidgetNavButton"
+            android:contentDescription="@string/all_prev"
+            android:src="@drawable/ic_widget_chevron"
+            tools:targetApi="lollipop" />
+
+        <ImageButton
+            android:id="@+id/timetableWidgetNext"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toEndOf="@id/timetableWidgetPrev"
+            android:layout_toRightOf="@id/timetableWidgetPrev"
+            android:backgroundTint="@color/colorWidgetNavButton"
+            android:contentDescription="@string/all_next"
+            android:rotation="180"
+            android:src="@drawable/ic_widget_chevron"
+            tools:targetApi="lollipop" />
+    </RelativeLayout>
+
+    <ListView
+        android:id="@+id/timetableWidgetList"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="56dp"
+        tools:listitem="@layout/item_widget_timetable_dark" />
+
+    <TextView
+        android:id="@+id/timetableWidgetEmpty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:text="@string/widget_timetable_no_items"
+        android:textColor="@android:color/white"
+        android:textSize="20sp"
+        tools:visibility="invisible" />
+</FrameLayout>

app/src/main/res/values-pl/strings.xml

@@ -260,6 +260,9 @@
 
     <!--Timetable Widget-->
     <string name="widget_timetable_no_items">Brak lekcji</string>
+    <string name="widget_timetable_theme_title">Wybierz motyw</string>
+    <string name="widget_timetable_theme_light">Jasny</string>
+    <string name="widget_timetable_theme_dark">Ciemny</string>
 
 
     <!--Preferences-->

app/src/main/res/values/colors.xml

@@ -31,9 +31,10 @@
     <color name="grade_vulcan_one">#d65757</color>
     <color name="grade_vulcan_default">#3d5f9c</color>
 
-    <color name="chip_backgroundColor_inverse">#595959</color>
+
-    <color name="chip_labelColor_inverse">#fefefe</color>
+    <!--Dark color resource for app widgets-->
-    <color name="chip_detailed_backgroundColor">#fefefe</color>
+
-    <color name="filterable_list_backgroundColor_inverse">#393939</color>
+    <color name="colorWidgetBackground">#121212</color>
-    <color name="filterable_list_textColor_inverse">#fefefe</color>
+    <color name="colorWidgetTopBar">#272727</color>
+    <color name="colorWidgetNavButton">#383838</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -244,6 +244,9 @@
 
     <!--Timetable Widget-->
     <string name="widget_timetable_no_items">No lessons</string>
+    <string name="widget_timetable_theme_title">Choose theme</string>
+    <string name="widget_timetable_theme_light">Light</string>
+    <string name="widget_timetable_theme_dark">Dark</string>
 
 
     <!--Preferences-->

app/src/main/res/values/styles.xml

@@ -23,6 +23,7 @@
 
     <style name="WulkanowyTheme.WidgetAccountSwitcher" parent="Theme.MaterialComponents.Light.Dialog">
         <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorSecondary">@color/colorPrimary</item>
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
         <item name="android:textColor">?android:textColorPrimary</item>