diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 0000000..5960165
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="C:\Users\kduez\.android\avd\Pixel_6_A13_.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2023-05-22T13:36:19.819030Z" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/com/denizk0461/weserplaner/activity/FetcherActivity.kt b/app/src/main/java/com/denizk0461/weserplaner/activity/FetcherActivity.kt
index 38ee099..73c52f4 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/activity/FetcherActivity.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/activity/FetcherActivity.kt
@@ -14,7 +14,7 @@ import com.denizk0461.weserplaner.data.showSnackBar
 import com.denizk0461.weserplaner.data.showToast
 import com.denizk0461.weserplaner.databinding.ActivityFetcherBinding
 import com.denizk0461.weserplaner.exception.NotLoggedInException
-import com.denizk0461.weserplaner.model.TextSheetContentId
+import com.denizk0461.weserplaner.values.TextSheetContentId
 import com.denizk0461.weserplaner.sheet.TextSheet
 import com.denizk0461.weserplaner.viewmodel.FetcherViewModel
 import java.io.IOException
diff --git a/app/src/main/java/com/denizk0461/weserplaner/adapter/CanteenOfferItemAdapter.kt b/app/src/main/java/com/denizk0461/weserplaner/adapter/CanteenOfferItemAdapter.kt
index 2a34cd5..edd0b5c 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/adapter/CanteenOfferItemAdapter.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/adapter/CanteenOfferItemAdapter.kt
@@ -15,7 +15,7 @@ import com.denizk0461.weserplaner.databinding.ItemCanteenLineBinding
 import com.denizk0461.weserplaner.databinding.ItemIconBinding
 import com.denizk0461.weserplaner.model.CanteenOfferGroup
 import com.denizk0461.weserplaner.model.CanteenOfferGroupElement
-import com.denizk0461.weserplaner.model.DietaryPreferences
+import com.denizk0461.weserplaner.values.DietaryPreferences
 
 /**
  * Custom RecyclerView adapter that lays out the offers of a given canteen on a given day.
diff --git a/app/src/main/java/com/denizk0461/weserplaner/data/Extensions.kt b/app/src/main/java/com/denizk0461/weserplaner/data/Extensions.kt
index 189585e..8f44165 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/data/Extensions.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/data/Extensions.kt
@@ -14,7 +14,7 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import com.denizk0461.weserplaner.R
 import com.denizk0461.weserplaner.exception.AcademicQuarterNotApplicableException
 import com.denizk0461.weserplaner.exception.ParcelNotFoundException
-import com.denizk0461.weserplaner.model.TextSheetContentId
+import com.denizk0461.weserplaner.values.TextSheetContentId
 import com.denizk0461.weserplaner.sheet.TextSheet
 import com.google.android.material.snackbar.Snackbar
 import java.text.SimpleDateFormat
diff --git a/app/src/main/java/com/denizk0461/weserplaner/data/StwParser.kt b/app/src/main/java/com/denizk0461/weserplaner/data/StwParser.kt
index e9573d5..81a9722 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/data/StwParser.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/data/StwParser.kt
@@ -2,6 +2,7 @@ package com.denizk0461.weserplaner.data
 
 import android.app.Application
 import com.denizk0461.weserplaner.db.AppRepository
+import com.denizk0461.weserplaner.values.DietaryPreferences
 import com.denizk0461.weserplaner.model.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
diff --git a/app/src/main/java/com/denizk0461/weserplaner/db/AppRepository.kt b/app/src/main/java/com/denizk0461/weserplaner/db/AppRepository.kt
index 691fa26..46b65dd 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/db/AppRepository.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/db/AppRepository.kt
@@ -4,7 +4,11 @@ import android.app.Application
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.preference.PreferenceManager
+import com.denizk0461.weserplaner.values.DietaryPreferences
+import com.denizk0461.weserplaner.values.SettingsPreferences
+import com.denizk0461.weserplaner.values.TaskOrder
 import com.denizk0461.weserplaner.model.*
+import com.denizk0461.weserplaner.values.AllergenPreferences
 
 /**
  * Repository objects that acts as a mediator between view models and the database to retrieve data
diff --git a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
index c447fbf..13a8904 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
@@ -17,7 +17,9 @@ import com.denizk0461.weserplaner.data.setRainbowProgressCircle
 import com.denizk0461.weserplaner.data.showErrorSnackBar
 import com.denizk0461.weserplaner.data.showSnackBar
 import com.denizk0461.weserplaner.databinding.FragmentCanteenBinding
+import com.denizk0461.weserplaner.values.DietaryPreferences
 import com.denizk0461.weserplaner.model.*
+import com.denizk0461.weserplaner.values.TextSheetContentId
 import com.denizk0461.weserplaner.viewmodel.CanteenViewModel
 import com.google.android.material.tabs.TabLayoutMediator
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenPageFragment.kt b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenPageFragment.kt
index 91113c6..d2e0d1d 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenPageFragment.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenPageFragment.kt
@@ -13,7 +13,7 @@ import com.denizk0461.weserplaner.databinding.RecyclerViewBinding
 import com.denizk0461.weserplaner.model.CanteenOffer
 import com.denizk0461.weserplaner.model.CanteenOfferGroup
 import com.denizk0461.weserplaner.model.CanteenOfferGroupElement
-import com.denizk0461.weserplaner.model.DietaryPreferences
+import com.denizk0461.weserplaner.values.DietaryPreferences
 import com.denizk0461.weserplaner.sheet.AllergenSheet
 import com.denizk0461.weserplaner.viewmodel.CanteenPageViewModel
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/fragment/TaskOverviewFragment.kt b/app/src/main/java/com/denizk0461/weserplaner/fragment/TaskOverviewFragment.kt
index 0eaabb5..2837f85 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/fragment/TaskOverviewFragment.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/fragment/TaskOverviewFragment.kt
@@ -12,7 +12,7 @@ import com.denizk0461.weserplaner.adapter.TaskOverviewAdapter
 import com.denizk0461.weserplaner.data.showSnackBar
 import com.denizk0461.weserplaner.databinding.FragmentTaskOverviewBinding
 import com.denizk0461.weserplaner.model.EventTask
-import com.denizk0461.weserplaner.model.TaskOrder
+import com.denizk0461.weserplaner.values.TaskOrder
 import com.denizk0461.weserplaner.viewmodel.TaskOverviewViewModel
 
 /**
diff --git a/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenConfigSheet.kt b/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenConfigSheet.kt
index d2f9450..5dd8b53 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenConfigSheet.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenConfigSheet.kt
@@ -9,7 +9,7 @@ import com.denizk0461.weserplaner.R
 import com.denizk0461.weserplaner.data.viewBinding
 import com.denizk0461.weserplaner.databinding.SheetAllergenConfigBinding
 import com.denizk0461.weserplaner.fragment.SettingsFragment
-import com.denizk0461.weserplaner.model.AllergenPreferences
+import com.denizk0461.weserplaner.values.AllergenPreferences
 import com.denizk0461.weserplaner.viewmodel.AllergenConfigViewModel
 
 /**
diff --git a/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenSheet.kt b/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenSheet.kt
index cf2c87e..f418e42 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenSheet.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/sheet/AllergenSheet.kt
@@ -13,9 +13,9 @@ import com.denizk0461.weserplaner.data.viewBinding
 import com.denizk0461.weserplaner.databinding.ItemSheetPreferenceBinding
 import com.denizk0461.weserplaner.databinding.SheetAllergenBinding
 import com.denizk0461.weserplaner.exception.ParcelNotFoundException
-import com.denizk0461.weserplaner.model.Allergens
+import com.denizk0461.weserplaner.values.Allergens
 import com.denizk0461.weserplaner.model.CanteenOfferGroupElement
-import com.denizk0461.weserplaner.model.DietaryPreferences
+import com.denizk0461.weserplaner.values.DietaryPreferences
 
 /**
  * This class is used to display further information on a canteen offer to the user. Unlike the name
diff --git a/app/src/main/java/com/denizk0461/weserplaner/sheet/TextSheet.kt b/app/src/main/java/com/denizk0461/weserplaner/sheet/TextSheet.kt
index eff6089..9677973 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/sheet/TextSheet.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/sheet/TextSheet.kt
@@ -6,7 +6,7 @@ import androidx.fragment.app.viewModels
 import com.denizk0461.weserplaner.R
 import com.denizk0461.weserplaner.data.viewBinding
 import com.denizk0461.weserplaner.databinding.SheetTextBinding
-import com.denizk0461.weserplaner.model.TextSheetContentId
+import com.denizk0461.weserplaner.values.TextSheetContentId
 import com.denizk0461.weserplaner.viewmodel.TextSheetViewModel
 
 /**
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/AllergenPreferences.kt b/app/src/main/java/com/denizk0461/weserplaner/values/AllergenPreferences.kt
similarity index 99%
rename from app/src/main/java/com/denizk0461/weserplaner/model/AllergenPreferences.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/AllergenPreferences.kt
index eecb28c..d920fe7 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/AllergenPreferences.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/AllergenPreferences.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 /**
  * Class for managing allergen preferences. The user can tell the app which substances they are
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/Allergens.kt b/app/src/main/java/com/denizk0461/weserplaner/values/Allergens.kt
similarity index 98%
rename from app/src/main/java/com/denizk0461/weserplaner/model/Allergens.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/Allergens.kt
index 4abd1df..593c952 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/Allergens.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/Allergens.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 import com.denizk0461.weserplaner.R
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/DietaryPreferences.kt b/app/src/main/java/com/denizk0461/weserplaner/values/DietaryPreferences.kt
similarity index 78%
rename from app/src/main/java/com/denizk0461/weserplaner/model/DietaryPreferences.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/DietaryPreferences.kt
index e2e8f60..828bda1 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/DietaryPreferences.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/DietaryPreferences.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 import com.denizk0461.weserplaner.R
 
@@ -111,16 +111,16 @@ enum class DietaryPreferences(val value: String) {
          */
         fun deconstruct(): String = String(
             charArrayOf(
-                if (this.isFair) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isFish) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isPoultry) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isLamb) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isVital) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isBeef) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isPork) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isVegan) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isVegetarian) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
-                if (this.isGame) DietaryPreferences.C_TRUE else DietaryPreferences.C_FALSE,
+                if (this.isFair) C_TRUE else C_FALSE,
+                if (this.isFish) C_TRUE else C_FALSE,
+                if (this.isPoultry) C_TRUE else C_FALSE,
+                if (this.isLamb) C_TRUE else C_FALSE,
+                if (this.isVital) C_TRUE else C_FALSE,
+                if (this.isBeef) C_TRUE else C_FALSE,
+                if (this.isPork) C_TRUE else C_FALSE,
+                if (this.isVegan) C_TRUE else C_FALSE,
+                if (this.isVegetarian) C_TRUE else C_FALSE,
+                if (this.isGame) C_TRUE else C_FALSE,
             )
         )
     }
@@ -156,16 +156,16 @@ enum class DietaryPreferences(val value: String) {
          * @return an instance of DietaryPrefObject
          */
         fun construct(values: String): Object = Object(
-            isFair = values[0] == DietaryPreferences.C_TRUE,
-            isFish = values[1] == DietaryPreferences.C_TRUE,
-            isPoultry = values[2] == DietaryPreferences.C_TRUE,
-            isLamb = values[3] == DietaryPreferences.C_TRUE,
-            isVital = values[4] == DietaryPreferences.C_TRUE,
-            isBeef = values[5] == DietaryPreferences.C_TRUE,
-            isPork = values[6] == DietaryPreferences.C_TRUE,
-            isVegan = values[7] == DietaryPreferences.C_TRUE,
-            isVegetarian = values[8] == DietaryPreferences.C_TRUE,
-            isGame = values[9] == DietaryPreferences.C_TRUE,
+            isFair = values[0] == C_TRUE,
+            isFish = values[1] == C_TRUE,
+            isPoultry = values[2] == C_TRUE,
+            isLamb = values[3] == C_TRUE,
+            isVital = values[4] == C_TRUE,
+            isBeef = values[5] == C_TRUE,
+            isPork = values[6] == C_TRUE,
+            isVegan = values[7] == C_TRUE,
+            isVegetarian = values[8] == C_TRUE,
+            isGame = values[9] == C_TRUE,
         )
 
         /**
diff --git a/app/src/main/java/com/denizk0461/weserplaner/values/ReminderStatus.kt b/app/src/main/java/com/denizk0461/weserplaner/values/ReminderStatus.kt
new file mode 100644
index 0000000..44528a4
--- /dev/null
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/ReminderStatus.kt
@@ -0,0 +1,8 @@
+package com.denizk0461.weserplaner.values
+
+enum class ReminderStatus {
+    NONE_SET,
+    PENDING,
+    FIRED,
+    ;
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt b/app/src/main/java/com/denizk0461/weserplaner/values/SettingsPreferences.kt
similarity index 97%
rename from app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/SettingsPreferences.kt
index 95cd498..436216e 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/SettingsPreferences.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 /**
  * Enumeration class for user-set preferences that will be saved in persistent storage via
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/StudIPColour.kt b/app/src/main/java/com/denizk0461/weserplaner/values/StudIPColour.kt
similarity index 93%
rename from app/src/main/java/com/denizk0461/weserplaner/model/StudIPColour.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/StudIPColour.kt
index 0fff646..d08aa1d 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/StudIPColour.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/StudIPColour.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 import com.denizk0461.weserplaner.R
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/TaskOrder.kt b/app/src/main/java/com/denizk0461/weserplaner/values/TaskOrder.kt
similarity index 90%
rename from app/src/main/java/com/denizk0461/weserplaner/model/TaskOrder.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/TaskOrder.kt
index 8bcae01..e4113cb 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/TaskOrder.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/TaskOrder.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 /**
  * Used to determine the order in which tasks should be shown.
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/TextSheetContentId.kt b/app/src/main/java/com/denizk0461/weserplaner/values/TextSheetContentId.kt
similarity index 74%
rename from app/src/main/java/com/denizk0461/weserplaner/model/TextSheetContentId.kt
rename to app/src/main/java/com/denizk0461/weserplaner/values/TextSheetContentId.kt
index 6c8e515..010c41f 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/TextSheetContentId.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/values/TextSheetContentId.kt
@@ -1,4 +1,4 @@
-package com.denizk0461.weserplaner.model
+package com.denizk0461.weserplaner.values
 
 object TextSheetContentId {
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenPageViewModel.kt b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenPageViewModel.kt
index f87f851..30130bd 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenPageViewModel.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenPageViewModel.kt
@@ -3,7 +3,7 @@ package com.denizk0461.weserplaner.viewmodel
 import android.app.Application
 import androidx.lifecycle.LiveData
 import com.denizk0461.weserplaner.model.CanteenOffer
-import com.denizk0461.weserplaner.model.DietaryPreferences
+import com.denizk0461.weserplaner.values.DietaryPreferences
 
 class CanteenPageViewModel(app: Application) : AppViewModel(app) {
 
diff --git a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
index c01cbd0..abb87bb 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
@@ -4,6 +4,7 @@ import android.app.Application
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.viewModelScope
 import com.denizk0461.weserplaner.data.StwParser
+import com.denizk0461.weserplaner.values.DietaryPreferences
 import com.denizk0461.weserplaner.model.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
diff --git a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/TaskOverviewViewModel.kt b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/TaskOverviewViewModel.kt
index 4596023..873be29 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/TaskOverviewViewModel.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/TaskOverviewViewModel.kt
@@ -1,9 +1,8 @@
 package com.denizk0461.weserplaner.viewmodel
 
 import android.app.Application
-import androidx.lifecycle.LiveData
 import com.denizk0461.weserplaner.model.EventTask
-import com.denizk0461.weserplaner.model.TaskOrder
+import com.denizk0461.weserplaner.values.TaskOrder
 
 /**
  * View model class for [com.denizk0461.weserplaner.fragment.TaskOverviewFragment].
diff --git a/app/src/main/res/layout/fragment_canteen.xml b/app/src/main/res/layout/fragment_canteen.xml
index 1816a39..64b3693 100644
--- a/app/src/main/res/layout/fragment_canteen.xml
+++ b/app/src/main/res/layout/fragment_canteen.xml
@@ -24,7 +24,7 @@
                 android:layout_marginStart="16dp"
                 android:layout_marginEnd="8dp">
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:id="@+id/app_title_bar"
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
@@ -33,7 +33,7 @@
                     android:layout_marginTop="16dp"
                     android:layout_marginBottom="8dp"
                     android:layout_marginEnd="4dp"
-                    android:fontFamily="@font/lato_blackitalic"
+                    app:fontFamily="@font/lato_blackitalic"
                     android:singleLine="true"
                     android:ellipsize="marquee"
                     android:marqueeRepeatLimit="marquee_forever"
diff --git a/app/src/main/res/layout/fragment_event.xml b/app/src/main/res/layout/fragment_event.xml
index 83b51cb..017c141 100644
--- a/app/src/main/res/layout/fragment_event.xml
+++ b/app/src/main/res/layout/fragment_event.xml
@@ -13,13 +13,13 @@
         android:layout_height="wrap_content"
         android:fitsSystemWindows="true">
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/app_title_bar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="@string/title_schedule"
             android:textSize="28sp"
-            android:fontFamily="@font/lato_blackitalic"
+            app:fontFamily="@font/lato_blackitalic"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="16dp"
             android:layout_marginBottom="8dp"
diff --git a/app/src/main/res/layout/fragment_room_finder.xml b/app/src/main/res/layout/fragment_room_finder.xml
index c4d00ba..12a5a8d 100644
--- a/app/src/main/res/layout/fragment_room_finder.xml
+++ b/app/src/main/res/layout/fragment_room_finder.xml
@@ -14,14 +14,14 @@
         android:layout_height="wrap_content"
         android:fitsSystemWindows="true">
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/app_title_bar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="16dp"
             android:layout_marginBottom="8dp"
-            android:fontFamily="@font/lato_blackitalic"
+            app:fontFamily="@font/lato_blackitalic"
             android:text="@string/title_room_finder"
             app:layout_scrollFlags="scroll"
             android:textSize="28sp"/>
diff --git a/app/src/main/res/layout/fragment_settings.xml b/app/src/main/res/layout/fragment_settings.xml
index d9ed333..04cbf91 100644
--- a/app/src/main/res/layout/fragment_settings.xml
+++ b/app/src/main/res/layout/fragment_settings.xml
@@ -14,14 +14,14 @@
         android:layout_height="wrap_content"
         android:fitsSystemWindows="true">
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/app_title_bar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="16dp"
             android:layout_marginBottom="8dp"
-            android:fontFamily="@font/lato_blackitalic"
+            app:fontFamily="@font/lato_blackitalic"
             android:text="@string/title_settings"
             app:layout_scrollFlags="scroll"
             android:textSize="28sp"/>
@@ -58,13 +58,13 @@
                     android:orientation="vertical"
                     android:paddingBottom="8dp">
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="16dp"
                         android:layout_marginTop="16dp"
                         android:layout_marginBottom="8dp"
-                        android:fontFamily="@font/lato_bolditalic"
+                        app:fontFamily="@font/lato_bolditalic"
                         android:text="@string/settings_schedule"
                         android:textSize="22sp" />
 
@@ -86,14 +86,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/refresh_schedule_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:text="@string/refresh_schedule_subtitle"
@@ -119,14 +119,14 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_current_day_title"
                                 android:textSize="16sp" />
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_current_day_subtitle"
@@ -162,14 +162,14 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_highlight_title"
                                 android:textSize="16sp" />
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_highlight_subtitle"
@@ -205,13 +205,13 @@
                     android:orientation="vertical"
                     android:paddingBottom="8dp">
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="16dp"
                         android:layout_marginTop="16dp"
                         android:layout_marginBottom="8dp"
-                        android:fontFamily="@font/lato_bolditalic"
+                        app:fontFamily="@font/lato_bolditalic"
                         android:text="@string/settings_canteen"
                         android:textSize="22sp" />
 
@@ -233,14 +233,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/allergens_config_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:id="@+id/allergens_config_subtitle"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
@@ -266,15 +266,15 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:id="@+id/settings_allergens_title_view"
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_allergens_title"
                                 android:textSize="16sp"/>
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:id="@+id/settings_allergens_subtitle_view"
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
@@ -311,14 +311,14 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_pref_colour_title"
                                 android:textSize="16sp" />
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_pref_colour_subtitle"
@@ -345,14 +345,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_pricing_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:text="@string/settings_pricing_subtitle"
@@ -408,13 +408,13 @@
                     android:orientation="vertical"
                     android:paddingBottom="8dp">
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="16dp"
                         android:layout_marginTop="16dp"
                         android:layout_marginBottom="8dp"
-                        android:fontFamily="@font/lato_bolditalic"
+                        app:fontFamily="@font/lato_bolditalic"
                         android:text="@string/settings_misc"
                         android:textSize="22sp" />
 
@@ -433,10 +433,10 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_launch_canteen_title"
                             android:textSize="16sp" />
 
@@ -491,14 +491,14 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_crashlytics_title"
                                 android:textSize="16sp" />
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_crashlytics_subtitle"
@@ -528,14 +528,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_data_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:text="@string/settings_data_subtitle"
@@ -555,14 +555,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_licences_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:id="@+id/licences_text"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
@@ -583,14 +583,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_app_version"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:id="@+id/app_version_text"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
@@ -617,13 +617,13 @@
                     android:orientation="vertical"
                     android:paddingBottom="8dp">
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginHorizontal="16dp"
                         android:layout_marginTop="16dp"
                         android:layout_marginBottom="8dp"
-                        android:fontFamily="@font/lato_bolditalic"
+                        app:fontFamily="@font/lato_bolditalic"
                         android:text="@string/settings_experimental"
                         android:textSize="22sp" />
 
@@ -645,14 +645,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_hide_experiments_title"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:text="@string/settings_hide_experiments_subtitle"
@@ -672,14 +672,14 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_build_time"
                             android:textSize="16sp" />
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:id="@+id/build_time_text"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
@@ -705,14 +705,14 @@
                             app:layout_constraintStart_toStartOf="parent"
                             app:layout_constraintTop_toTopOf="parent">
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
-                                android:fontFamily="@font/lato_bolditalic"
+                                app:fontFamily="@font/lato_bolditalic"
                                 android:text="@string/settings_beta_nav_title"
                                 android:textSize="16sp" />
 
-                            <TextView
+                            <androidx.appcompat.widget.AppCompatTextView
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_beta_nav_subtitle"
@@ -741,10 +741,10 @@
                         android:paddingHorizontal="16dp"
                         android:paddingVertical="8dp">
 
-                        <TextView
+                        <androidx.appcompat.widget.AppCompatTextView
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:fontFamily="@font/lato_bolditalic"
+                            app:fontFamily="@font/lato_bolditalic"
                             android:text="@string/settings_dev_codes_title"
                             android:textSize="16sp" />
 
@@ -768,7 +768,7 @@
                                     android:id="@+id/input_dev_code"
                                     android:layout_width="match_parent"
                                     android:layout_height="wrap_content"
-                                    android:fontFamily="@font/ibm_regular"
+                                    app:fontFamily="@font/ibm_regular"
                                     android:inputType="textNoSuggestions"/>
 
                             </com.google.android.material.textfield.TextInputLayout>
diff --git a/app/src/main/res/layout/fragment_task_overview.xml b/app/src/main/res/layout/fragment_task_overview.xml
index 9aff958..dfa3121 100644
--- a/app/src/main/res/layout/fragment_task_overview.xml
+++ b/app/src/main/res/layout/fragment_task_overview.xml
@@ -20,7 +20,7 @@
             android:layout_marginStart="16dp"
             android:layout_marginEnd="8dp">
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/app_title_bar"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
@@ -29,7 +29,7 @@
                 android:layout_marginTop="16dp"
                 android:layout_marginBottom="8dp"
                 android:layout_marginEnd="4dp"
-                android:fontFamily="@font/lato_blackitalic"
+                app:fontFamily="@font/lato_blackitalic"
                 android:singleLine="true"
                 android:ellipsize="marquee"
                 android:marqueeRepeatLimit="marquee_forever"
diff --git a/app/src/main/res/layout/item_canteen.xml b/app/src/main/res/layout/item_canteen.xml
index df26e83..3b68307 100644
--- a/app/src/main/res/layout/item_canteen.xml
+++ b/app/src/main/res/layout/item_canteen.xml
@@ -17,12 +17,12 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_category"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:textSize="18sp"
-                android:fontFamily="@font/lato_bolditalic"
+                app:fontFamily="@font/lato_bolditalic"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -63,7 +63,7 @@
             android:src="@drawable/visibility_off"
             android:importantForAccessibility="no"/>
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/text_difference"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/item_canteen_line.xml b/app/src/main/res/layout/item_canteen_line.xml
index 9611954..9ce2c5c 100644
--- a/app/src/main/res/layout/item_canteen_line.xml
+++ b/app/src/main/res/layout/item_canteen_line.xml
@@ -20,7 +20,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"/>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_content"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -31,13 +31,13 @@
         app:layout_constraintStart_toEndOf="@+id/image_view_container"
         app:layout_constraintEnd_toStartOf="@+id/text_price"/>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_price"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        android:fontFamily="@font/lato_bolditalic"/>
+        app:fontFamily="@font/lato_bolditalic"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_event.xml b/app/src/main/res/layout/item_event.xml
index 66bb879..b81b219 100644
--- a/app/src/main/res/layout/item_event.xml
+++ b/app/src/main/res/layout/item_event.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.appcompat.widget.LinearLayoutCompat
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:paddingHorizontal="8dp"
@@ -22,12 +23,12 @@
             android:focusable="true"
             android:padding="16dp">
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_title"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textSize="24sp"
-                android:fontFamily="@font/lato_bolditalic"/>
+                app:fontFamily="@font/lato_bolditalic"/>
 
             <com.google.android.material.divider.MaterialDivider
                 android:id="@+id/divider"
@@ -36,17 +37,17 @@
                 android:layout_height="wrap_content"
                 android:layout_marginVertical="4dp"/>
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_lecturers"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"/>
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_timeslot"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"/>
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_room"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"/>
@@ -71,7 +72,7 @@
             android:src="@drawable/edit_off"
             android:importantForAccessibility="no"/>
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/text_no_events"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/item_sheet_preference.xml b/app/src/main/res/layout/item_sheet_preference.xml
index fc08ea1..dfa9c08 100644
--- a/app/src/main/res/layout/item_sheet_preference.xml
+++ b/app/src/main/res/layout/item_sheet_preference.xml
@@ -13,7 +13,7 @@
         android:layout_marginEnd="8dp"
         android:importantForAccessibility="no"/>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/preference_text"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"/>
diff --git a/app/src/main/res/layout/sheet_allergen.xml b/app/src/main/res/layout/sheet_allergen.xml
index 2c7330d..a3f7d82 100644
--- a/app/src/main/res/layout/sheet_allergen.xml
+++ b/app/src/main/res/layout/sheet_allergen.xml
@@ -30,21 +30,21 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_category"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
-        android:fontFamily="@font/lato_blackitalic"
+        app:fontFamily="@font/lato_blackitalic"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="2dp"/>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_title"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textSize="22sp"
-        android:fontFamily="@font/lato_bolditalic"
+        app:fontFamily="@font/lato_bolditalic"
         android:layout_marginBottom="8dp"
         android:paddingHorizontal="24dp"/>
 
@@ -78,26 +78,26 @@
                     android:rowCount="2"
                     android:columnCount="2">
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/text_allergens_title"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_gravity="top"/>
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/text_allergens_content"
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
                         android:layout_gravity="fill_horizontal"/>
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/text_additives_title"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="1dp"
                         android:layout_gravity="top"/>
 
-                    <TextView
+                    <androidx.appcompat.widget.AppCompatTextView
                         android:id="@+id/text_additives_content"
                         android:layout_width="0dp"
                         android:layout_height="wrap_content"
@@ -108,18 +108,18 @@
 
             </androidx.appcompat.widget.LinearLayoutCompat>
 
-<!--            <TextView-->
+<!--            <androidx.appcompat.widget.AppCompatTextView-->
 <!--                android:id="@+id/text_content"-->
 <!--                android:layout_width="match_parent"-->
 <!--                android:layout_height="wrap_content"-->
 <!--                android:layout_marginBottom="8dp"/>-->
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_price"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textSize="20sp"
-                android:fontFamily="@font/lato_bolditalic"
+                app:fontFamily="@font/lato_bolditalic"
                 android:layout_marginTop="4dp"/>
 
         </androidx.appcompat.widget.LinearLayoutCompat>
diff --git a/app/src/main/res/layout/sheet_allergen_config.xml b/app/src/main/res/layout/sheet_allergen_config.xml
index 5cf42f7..a5c5583 100644
--- a/app/src/main/res/layout/sheet_allergen_config.xml
+++ b/app/src/main/res/layout/sheet_allergen_config.xml
@@ -29,12 +29,12 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_title"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
-        android:fontFamily="@font/lato_bolditalic"
+        app:fontFamily="@font/lato_bolditalic"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="8dp"
         android:text="@string/allergens_config_header"/>
@@ -51,7 +51,7 @@
             android:paddingHorizontal="24dp"
             android:paddingBottom="24dp">
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="8dp"
diff --git a/app/src/main/res/layout/sheet_event_action.xml b/app/src/main/res/layout/sheet_event_action.xml
index fb55590..ddca601 100644
--- a/app/src/main/res/layout/sheet_event_action.xml
+++ b/app/src/main/res/layout/sheet_event_action.xml
@@ -29,14 +29,14 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/event_header"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="8dp"
-        android:fontFamily="@font/lato_bolditalic"
+        app:fontFamily="@font/lato_bolditalic"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -74,7 +74,7 @@
                     android:src="@drawable/edit"
                     android:importantForAccessibility="no"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_event_action_edit_event_title"
@@ -103,7 +103,7 @@
                     android:src="@drawable/add_task"
                     android:importantForAccessibility="no"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_event_action_add_task_title"
@@ -132,7 +132,7 @@
                     android:src="@drawable/task"
                     android:importantForAccessibility="no"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_event_action_view_tasks_title"
@@ -161,7 +161,7 @@
                     android:src="@drawable/location"
                     android:importantForAccessibility="no"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_event_action_find_room_title"
@@ -190,7 +190,7 @@
                     android:src="@drawable/delete"
                     android:importantForAccessibility="no"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_event_action_delete_event_title"
diff --git a/app/src/main/res/layout/sheet_event_confirm_deletion.xml b/app/src/main/res/layout/sheet_event_confirm_deletion.xml
index 9bb2f37..5c01e78 100644
--- a/app/src/main/res/layout/sheet_event_confirm_deletion.xml
+++ b/app/src/main/res/layout/sheet_event_confirm_deletion.xml
@@ -30,13 +30,13 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="8dp"
-        android:fontFamily="@font/lato_blackitalic"
+        app:fontFamily="@font/lato_blackitalic"
         android:text="@string/sheet_event_confirm_deletion_header"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -55,7 +55,7 @@
             android:paddingBottom="16dp"
             android:paddingHorizontal="24dp">
 
-            <TextView
+            <androidx.appcompat.widget.AppCompatTextView
                 android:id="@+id/text_confirm_deletion_content"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/sheet_schedule_update.xml b/app/src/main/res/layout/sheet_schedule_update.xml
index 1e792a2..d61cbff 100644
--- a/app/src/main/res/layout/sheet_schedule_update.xml
+++ b/app/src/main/res/layout/sheet_schedule_update.xml
@@ -30,14 +30,14 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/sheet_title"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="8dp"
-        android:fontFamily="@font/lato_blackitalic"
+        app:fontFamily="@font/lato_blackitalic"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -162,7 +162,7 @@
                     android:layout_weight="1"
                     app:strokeColor="?attr/colorOutlineVariant"/>
 
-                <TextView
+                <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="@string/sheet_schedule_update_timeslot_middle"
diff --git a/app/src/main/res/layout/sheet_text.xml b/app/src/main/res/layout/sheet_text.xml
index e7ded48..4da95ce 100644
--- a/app/src/main/res/layout/sheet_text.xml
+++ b/app/src/main/res/layout/sheet_text.xml
@@ -29,14 +29,14 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-    <TextView
+    <androidx.appcompat.widget.AppCompatTextView
         android:id="@+id/text_header"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:textSize="22sp"
         android:paddingHorizontal="24dp"
         android:layout_marginBottom="8dp"
-        android:fontFamily="@font/lato_bolditalic"
+        app:fontFamily="@font/lato_bolditalic"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -47,7 +47,7 @@
         android:layout_height="wrap_content"
         android:scrollbars="vertical">
 
-        <TextView
+        <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/text_content"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"