diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt
index a6c83fc9..c76bcf1e 100644
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt
@@ -80,6 +80,10 @@ class PreferencesRepository @Inject constructor(
     val showTimetableTimers: Boolean
         get() = getBoolean(R.string.pref_key_timetable_show_timers, R.bool.pref_default_timetable_show_timers)
 
+    var isHomeworkFullscreen: Boolean
+        get() = getBoolean(R.string.pref_key_homework_fullscreen, R.bool.pref_default_homework_fullscreen)
+        set(value) = sharedPref.edit().putBoolean("homework_fullscreen", value).apply()
+
     val showSubjectsWithoutGrades: Boolean
         get() = getBoolean(R.string.pref_key_subjects_without_grades, R.bool.pref_default_subjects_without_grades)
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt
index 5d6ee162..cd9a7e85 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt
@@ -29,6 +29,8 @@ class HomeworkDetailsAdapter @Inject constructor() :
             attachments = value?.attachments.orEmpty()
         }
 
+    var isHomeworkFullscreen = false
+
     var onAttachmentClickListener: (url: String) -> Unit = {}
 
     var onFullScreenClickListener = {}
@@ -67,6 +69,8 @@ class HomeworkDetailsAdapter @Inject constructor() :
             homeworkDialogSubject.text = homework?.subject
             homeworkDialogTeacher.text = homework?.teacher
             homeworkDialogContent.text = homework?.content
+            homeworkDialogFullScreen.visibility = if (isHomeworkFullscreen) GONE else VISIBLE
+            homeworkDialogFullScreenExit.visibility = if (isHomeworkFullscreen) VISIBLE else GONE
             homeworkDialogFullScreen.setOnClickListener {
                 homeworkDialogFullScreen.visibility = GONE
                 homeworkDialogFullScreenExit.visibility = VISIBLE
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt
index 78abfffd..aecaa394 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt
@@ -62,12 +62,25 @@ class HomeworkDetailsDialog : BaseDialogFragment<DialogHomeworkBinding>(), Homew
             homeworkDialogClose.setOnClickListener { dismiss() }
         }
 
+        if (presenter.isHomeworkFullscreen) {
+            dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+        } else {
+            dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+        }
+
         with(binding.homeworkDialogRecycler) {
             layoutManager = LinearLayoutManager(context)
             adapter = detailsAdapter.apply {
                 onAttachmentClickListener = { context.openInternetBrowser(it, ::showMessage) }
-                onFullScreenClickListener = { dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT) }
-                onFullScreenExitClickListener = { dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT) }
+                onFullScreenClickListener = {
+                    dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+                    presenter.isHomeworkFullscreen = true
+                }
+                onFullScreenExitClickListener = {
+                    dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+                    presenter.isHomeworkFullscreen = false
+                }
+                isHomeworkFullscreen = presenter.isHomeworkFullscreen
                 homework = this@HomeworkDetailsDialog.homework
             }
         }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
index a53d38e8..e485dd74 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.modules.homework.details
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
+import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
@@ -16,9 +17,16 @@ class HomeworkDetailsPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: FirebaseAnalyticsHelper,
+    private val preferencesRepository: PreferencesRepository
 ) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository) {
 
+    var isHomeworkFullscreen
+        get() = preferencesRepository.isHomeworkFullscreen
+        set(value) {
+            preferencesRepository.isHomeworkFullscreen = value
+        }
+
     override fun onAttachView(view: HomeworkDetailsView) {
         super.onAttachView(view)
         view.initView()
diff --git a/app/src/main/res/values/preferences_defaults.xml b/app/src/main/res/values/preferences_defaults.xml
index 5c6eb7d6..bb987271 100644
--- a/app/src/main/res/values/preferences_defaults.xml
+++ b/app/src/main/res/values/preferences_defaults.xml
@@ -20,5 +20,6 @@
     <bool name="pref_default_fill_message_content">true</bool>
     <string name="pref_default_timetable_show_whole_class">no</string>
     <bool name="pref_default_timetable_show_timers">false</bool>
+    <bool name="pref_default_homework_fullscreen">false</bool>
     <bool name="pref_default_subjects_without_grades">false</bool>
 </resources>
diff --git a/app/src/main/res/values/preferences_keys.xml b/app/src/main/res/values/preferences_keys.xml
index 1a0311b3..d948dc47 100644
--- a/app/src/main/res/values/preferences_keys.xml
+++ b/app/src/main/res/values/preferences_keys.xml
@@ -22,5 +22,6 @@
     <string name="pref_key_fill_message_content">fill_message_content</string>
     <string name="pref_key_timetable_show_whole_class">show_whole_class_plan</string>
     <string name="pref_key_timetable_show_timers">timetable_show_timers</string>
+    <string name="pref_key_homework_fullscreen">homework_fullscreen</string>
     <string name="pref_key_subjects_without_grades">subjects_without_grades</string>
 </resources>