Moved development codes from DevCodeSheet.kt to a (by default) hidden section of SettingsFragment.kt; added further information about the build in that section

app/src/main/java/com/denizk0461/weserplaner/fragment/SettingsFragment.kt

@@ -1,12 +1,15 @@
 package com.denizk0461.weserplaner.fragment
 
 import android.annotation.SuppressLint
+import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
+import android.util.Base64
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.inputmethod.InputMethodManager
 import androidx.fragment.app.setFragmentResultListener
 import androidx.fragment.app.viewModels
 import com.denizk0461.weserplaner.BuildConfig
@@ -14,11 +17,12 @@ import com.denizk0461.weserplaner.R
 import com.denizk0461.weserplaner.activity.FetcherActivity
 import com.denizk0461.weserplaner.activity.ImageActivity
 import com.denizk0461.weserplaner.data.getTextSheet
+import com.denizk0461.weserplaner.data.showSnackBar
 import com.denizk0461.weserplaner.data.showToast
 import com.denizk0461.weserplaner.databinding.FragmentSettingsBinding
 import com.denizk0461.weserplaner.sheet.AllergenConfigSheet
-import com.denizk0461.weserplaner.sheet.DevCodeSheet
 import com.denizk0461.weserplaner.viewmodel.SettingsViewModel
+import java.nio.charset.StandardCharsets
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -45,6 +49,9 @@ class SettingsFragment : AppFragment() {
     // Click counter on the app version button
     private var appVersionClick = 1
 
+    // Whether the user has set the text of the allergen setting to its alt text
+    private var hasSetAllergensAltText = false
+
     // 222
     private val mysteryLink = "https://www.youtube.com/watch?v=nhIQMCXJzLI"
 
@@ -57,6 +64,8 @@ class SettingsFragment : AppFragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        // --- schedule settings --- //
+
         // Launch the Stud.IP schedule fetcher activity
         binding.buttonRefreshSchedule.setOnClickListener {
             launchWebView()
@@ -78,6 +87,8 @@ class SettingsFragment : AppFragment() {
             }
         }
 
+        // --- canteen offer settings --- //
+
         // Set up button to set allergens
         binding.buttonAllergensConfig.setOnClickListener {
             openBottomSheet(
@@ -95,6 +106,7 @@ class SettingsFragment : AppFragment() {
             )
         }
 
+        // Set text according to how many allergens the user has set
         binding.allergensConfigSubtitle.text = getAllergensConfigCountText()
 
         // Set up switch for displaying allergens
@@ -105,13 +117,19 @@ class SettingsFragment : AppFragment() {
             }
         }
 
-        // Set up switch for launching the app with a specific view
+        // Change text on allergens setting
-//        binding.switchLaunchCanteen.apply {
+        binding.settingsAllergensSubtitleView.setOnLongClickListener {
-//            isChecked = viewModel.preferenceLaunchCanteen
+            if (hasSetAllergensAltText) {
-//            setOnCheckedChangeListener { _, newValue ->
+                binding.settingsAllergensTitleView.text = getString(R.string.settings_allergens_title)
-//                viewModel.preferenceLaunchCanteen = newValue
+                binding.settingsAllergensSubtitleView.text = getString(R.string.settings_allergens_subtitle)
-//            }
+                hasSetAllergensAltText = false
-//        }
+            } else {
+                binding.settingsAllergensTitleView.text = getString(R.string.settings_allergens_title_alt)
+                binding.settingsAllergensSubtitleView.text = getString(R.string.settings_allergens_subtitle_alt)
+                hasSetAllergensAltText = true
+            }
+            true
+        }
 
         // Set up button toggle group for changing prices displayed for the canteen offers
         binding.togglePricingGroup.apply {
@@ -139,6 +157,8 @@ class SettingsFragment : AppFragment() {
             }
         }
 
+        // --- miscellaneous settings --- //
+
         // Set up button toggle group for changing default fragment
         binding.toggleLaunchFragmentGroup.apply {
             // Check the fragment that is currently selected
@@ -207,10 +227,21 @@ class SettingsFragment : AppFragment() {
             )
         }
 
-        // Set long click listener for licences button to open dev code sheet
+        // Set long click listener for licences button to unlock experimental settings
         binding.buttonLicences.setOnLongClickListener {
+            // Return false if the experimental settings are already enabled
+            if (viewModel.preferenceExperimentalSettingsEnabled) return@setOnLongClickListener false
+
+            // Unlock experimental settings after 3 long presses
             if (licencesLongClick > 3) {
-                openBottomSheet(DevCodeSheet())
+//                openBottomSheet(DevCodeSheet())
+                licencesLongClick = 0
+                viewModel.preferenceExperimentalSettingsEnabled = true
+                binding.cardExperimentalSettings.visibility = View.VISIBLE
+                context.theme.showSnackBar(
+                    binding.coordinatorLayout,
+                    getString(R.string.settings_unlocked_experiments),
+                )
             } else {
                 licencesLongClick += 1
             }
@@ -273,15 +304,130 @@ class SettingsFragment : AppFragment() {
          */
         @SuppressLint("SetTextI18n")
         binding.appVersionText.text =
-            "${BuildConfig.VERSION_NAME}-${
+            "${BuildConfig.VERSION_NAME}-${if (BuildConfig.DEBUG) "dev" else "release"}"
-                if (BuildConfig.DEBUG) 
+
-                    "dev-[${SimpleDateFormat("yyyy-MM-dd, HH:mm:ss.SSS", Locale.GERMANY)
+        // --- experimental settings --- //
-                        .format(Date(BuildConfig.BUILD_TIME_MILLIS))}]" 
+
-                else 
+        // Set visibility of experimental settings depending on whether they have been unlocked
-                    "release"
+        binding.cardExperimentalSettings.visibility = if (
-            }"
+            viewModel.preferenceExperimentalSettingsEnabled
+        ) {
+            View.VISIBLE
+        } else {
+            View.GONE
         }
 
+        binding.buttonHideExperiments.setOnClickListener {
+            viewModel.preferenceExperimentalSettingsEnabled = false
+            binding.cardExperimentalSettings.visibility = View.GONE
+            context.theme.showSnackBar(
+                binding.coordinatorLayout,
+                getString(R.string.settings_hide_experiments),
+            )
+        }
+
+        // Set build version code and time text
+        @SuppressLint("SetTextI18n")
+        binding.buildTimeText.text = "v${BuildConfig.VERSION_CODE} | ${
+            SimpleDateFormat("yyyy-MM-dd, HH:mm:ss.SSS", Locale.GERMANY)
+                .format(Date(BuildConfig.BUILD_TIME_MILLIS))
+        }"
+
+        binding.buttonDevCodes.setOnClickListener {
+            val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+            imm.hideSoftInputFromWindow(view.windowToken, 0)
+
+            when (binding.inputDevCode.text.toString().uppercase()) {
+                "U1RST0JF".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90S2k5Wi1mNnFYNA==".d64)
+                "U1BJUklU".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9XN25lMzlEU05TZw==".d64)
+                "Q0xPVURT".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9rbUJ6YTRhNTB2dw==".d64)
+                "NjQxODJL".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9EbTFyZ285UHBUcw==".d64)
+                "U0FJTE9S".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9QUHlDYXZ6OG5NWQ==".d64)
+                "SE9ORVNU".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9DSEg0OE5LUEFraw==".d64)
+                "QkJVT0s/".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90Rm1PMm1TY0tHNA==".d64)
+                "SUhUU0Mq".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS85bXZ4SVdhWHZuWQ==".d64)
+                "SU5TQU5F".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90NE9kYTlUZFYwbw==".d64)
+                "SE9SSVpO".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9SUVpUUy1CWjhtcw==".d64)
+                "TUFSR0Uh".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS8tbHFxRHZXRjQ1dw==".d64)
+                "UE9XRUxM".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9XUGMtVkVxQlBISQ==".d64)
+                "Q0FMTE1F".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS8xbTV1WnJNMnktMA==".d64)
+                "SkFNSVJP".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9fMVZoT2c0N3ozNA==".d64)
+                "TE9ORUxZ".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9uLURFNHNfc3d5Zw==".d64)
+                "QkVBVVRZ".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9vbVQ1ckttVTVfaw==".d64)
+                "Uk9NQ09N".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9HUW1nUG5uZjE4WQ==".d64)
+                "Tk9DQVNI".d64 -> launchLink(listOf(
+                    "aHR0cHM6Ly95b3V0dS5iZS9lRzh3bkx2NTlPbw==",
+                    "aHR0cHM6Ly95b3V0dS5iZS9RSzBZLUQ1bVpaaw==",
+                ).random().d64)
+                "Qk9KQUNL".d64 -> {
+                    startActivity(Intent(context, ImageActivity::class.java).also { intent ->
+                        val bundle = Bundle()
+                        bundle.putString("img", "Qk9KQUNL".d64.lowercase())
+                        intent.putExtras(bundle)
+                    })
+                }
+                "QkNFTExT".d64 -> {
+                    startActivity(Intent(context, ImageActivity::class.java).also { intent ->
+                        val bundle = Bundle()
+                        bundle.putString("img", "QkNFTExT".d64.lowercase())
+                        intent.putExtras(bundle)
+                    })
+                }
+                "NEVENT" -> { // nuke events
+                    viewModel.nukeEvents()
+                    showToast(context, "Nuked all events")
+                }
+                "NCANTE" -> { // nuke canteens
+                    viewModel.nukeOfferCanteens()
+                    showToast(context, "Nuked all canteens")
+                }
+                "NDATES" -> { // nuke dates
+                    viewModel.nukeOfferDates()
+                    showToast(context, "Nuked all dates")
+                }
+                "NCATEG" -> { // nuke categories
+                    viewModel.nukeOfferCategories()
+                    showToast(context, "Nuked all categories")
+                }
+                "NITEMS" -> { // nuke items
+                    viewModel.nukeOfferItems()
+                    showToast(context, "Nuked all items")
+                }
+                "NEVERY" -> { // nuke everything
+                    viewModel.nukeEverything()
+                    showToast(context, "Nuked everything")
+                }
+                else -> context.theme.showSnackBar(
+                    binding.coordinatorLayout,
+                    getString(R.string.settings_dev_codes_invalid)
+                )
+            }
+        }
+    }
+
+    /**
+     * Launches a web link.
+     *
+     * @param link  link to open
+     */
+    private fun launchLink(link: String) {
+        // Let the user know they accomplished something with their life
+        showToast(context, "✨")
+
+        // Give the user a slight dopamine boost
+        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(link)))
+    }
+
+    /**
+     * Decodes Base64 to a regular string.
+     *
+     * @return the decoded string
+     */
+    private val String.d64: String get() = String(
+        Base64.decode(this, Base64.DEFAULT),
+        StandardCharsets.UTF_8
+    )
+
     // Invalidate the view binding
     override fun onDestroyView() {
         super.onDestroyView()

app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt

@@ -63,5 +63,10 @@ enum class SettingsPreferences(val key: String) {
      * Whether the user has opened the canteen fragment before.
      */
     HAS_OPENED_CANTEEN("has_opened_canteen"),
+
+    /**
+     * Whether the user has enabled experimental settings.
+     */
+    EXPERIMENTAL_ENABLED("experimental_enabled"),
     ;
 }

app/src/main/java/com/denizk0461/weserplaner/sheet/DevCodeSheet.kt

@@ -1,139 +0,0 @@
-package com.denizk0461.weserplaner.sheet
-
-import android.content.Intent
-import android.net.Uri
-import android.os.Bundle
-import android.util.Base64
-import android.view.View
-import androidx.fragment.app.viewModels
-import com.denizk0461.weserplaner.R
-import com.denizk0461.weserplaner.activity.ImageActivity
-import com.denizk0461.weserplaner.data.showToast
-import com.denizk0461.weserplaner.data.viewBinding
-import com.denizk0461.weserplaner.databinding.SheetDevCodeBinding
-import com.denizk0461.weserplaner.viewmodel.DevCodeViewModel
-import java.nio.charset.StandardCharsets
-
-/**
- * Sheet that presents the user / developer with a text field to input developer codes / cheat
- * codes.
- */
-class DevCodeSheet : AppSheet(R.layout.sheet_dev_code) {
-
-    // View binding
-    private val binding: SheetDevCodeBinding by viewBinding(SheetDevCodeBinding::bind)
-
-    // View model
-    private val viewModel: DevCodeViewModel by viewModels()
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-
-        // Execute an action based on the input
-        binding.buttonConfirm.setOnClickListener {
-            /*
-             * Codes are implemented here.
-             *
-             * About the inks; they are safe (which is suspicious of me to say), just encoded so
-             * people can't just look at the file and figure out all the codes! Of course, they're
-             * easily decoded, but who would go for that? You would have to have a lot of time to
-             * waste to do that. Then again, I was the one who encoded all of these links in the
-             * first place, so I suppose the joke's on me...
-             *
-             * If you're reading this, I ask you – why?
-             */
-            when (binding.input.text.toString().uppercase()) {
-                "U1RST0JF".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90S2k5Wi1mNnFYNA==".d64)
-                "U1BJUklU".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9XN25lMzlEU05TZw==".d64)
-                "Q0xPVURT".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9rbUJ6YTRhNTB2dw==".d64)
-                "NjQxODJL".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9EbTFyZ285UHBUcw==".d64)
-                "U0FJTE9S".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9QUHlDYXZ6OG5NWQ==".d64)
-                "SE9ORVNU".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9DSEg0OE5LUEFraw==".d64)
-                "QkJVT0s/".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90Rm1PMm1TY0tHNA==".d64)
-                "SUhUU0Mq".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS85bXZ4SVdhWHZuWQ==".d64)
-                "SU5TQU5F".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90NE9kYTlUZFYwbw==".d64)
-                "SE9SSVpO".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9SUVpUUy1CWjhtcw==".d64)
-                "TUFSR0Uh".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS8tbHFxRHZXRjQ1dw==".d64)
-                "UE9XRUxM".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9XUGMtVkVxQlBISQ==".d64)
-                "Q0FMTE1F".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS8xbTV1WnJNMnktMA==".d64)
-                "SkFNSVJP".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9fMVZoT2c0N3ozNA==".d64)
-                "TE9ORUxZ".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9uLURFNHNfc3d5Zw==".d64)
-                "QkVBVVRZ".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9vbVQ1ckttVTVfaw==".d64)
-                "Uk9NQ09N".d64 -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9HUW1nUG5uZjE4WQ==".d64)
-                "Tk9DQVNI".d64 -> launchLink(listOf(
-                    "aHR0cHM6Ly95b3V0dS5iZS9lRzh3bkx2NTlPbw==",
-                    "aHR0cHM6Ly95b3V0dS5iZS9RSzBZLUQ1bVpaaw==",
-                ).random().d64)
-                "Qk9KQUNL".d64 -> {
-                    startActivity(Intent(context, ImageActivity::class.java).also { intent ->
-                        val bundle = Bundle()
-                        bundle.putString("img", "Qk9KQUNL".d64.lowercase())
-                        intent.putExtras(bundle)
-                    })
-                }
-                "QkNFTExT".d64 -> {
-                    startActivity(Intent(context, ImageActivity::class.java).also { intent ->
-                        val bundle = Bundle()
-                        bundle.putString("img", "QkNFTExT".d64.lowercase())
-                        intent.putExtras(bundle)
-                    })
-                }
-                "NEVENT" -> { // nuke events
-                    viewModel.nukeEvents()
-                    showToast(context, "Nuked all events")
-                }
-                "NCANTE" -> { // nuke canteens
-                    viewModel.nukeOfferCanteens()
-                    showToast(context, "Nuked all canteens")
-                }
-                "NDATES" -> { // nuke dates
-                    viewModel.nukeOfferDates()
-                    showToast(context, "Nuked all dates")
-                }
-                "NCATEG" -> { // nuke categories
-                    viewModel.nukeOfferCategories()
-                    showToast(context, "Nuked all categories")
-                }
-                "NITEMS" -> { // nuke items
-                    viewModel.nukeOfferItems()
-                    showToast(context, "Nuked all items")
-                }
-                "NEVERY" -> { // nuke everything
-                    viewModel.nukeEverything()
-                    showToast(context, "Nuked everything")
-                }
-                else -> showToast(context, "Code is invalid")
-            }
-            dismiss()
-        }
-
-        // Set up close button
-        binding.buttonCancel.setOnClickListener {
-            // Do nothing and dismiss the sheet
-            dismiss()
-        }
-    }
-
-    /**
-     * Launches a web link.
-     *
-     * @param link  link to open
-     */
-    private fun launchLink(link: String) {
-        // Let the user know they accomplished something with their life
-        showToast(context, "✨")
-
-        // Give the user a slight dopamine boost
-        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(link)))
-    }
-
-    /**
-     * Decodes Base64 to a regular string.
-     *
-     * @return the decoded string
-     */
-    private val String.d64: String get() = String(
-        Base64.decode(this, Base64.DEFAULT),
-        StandardCharsets.UTF_8
-    )
-}

app/src/main/java/com/denizk0461/weserplaner/viewmodel/DevCodeViewModel.kt

@@ -1,42 +0,0 @@
-package com.denizk0461.weserplaner.viewmodel
-
-import android.app.Application
-
-class DevCodeViewModel(application: Application) : AppViewModel(application) {
-
-    /**
-     * Deletes everything from the database.
-     */
-    fun nukeEverything() {
-        nukeEvents()
-        nukeOfferItems()
-        nukeOfferCategories()
-        nukeOfferCanteens()
-        nukeOfferDates()
-    }
-
-    /**
-     * Deletes all Stud.IP events from the database.
-     */
-    fun nukeEvents() { doAsync { repo.nukeEvents() } }
-
-    /**
-     * Deletes all canteen items from the database.
-     */
-    fun nukeOfferItems() { doAsync { repo.nukeOfferItems() } }
-
-    /**
-     * Deletes all canteen categories from the database.
-     */
-    fun nukeOfferCategories() { doAsync { repo.nukeOfferCategories() } }
-
-    /**
-     * Deletes all canteens from the database.
-     */
-    fun nukeOfferCanteens() { doAsync { repo.nukeOfferCanteens() } }
-
-    /**
-     * Deletes all canteen dates from the database.
-     */
-    fun nukeOfferDates() { doAsync { repo.nukeOfferDates() } }
-}

app/src/main/java/com/denizk0461/weserplaner/viewmodel/SettingsViewModel.kt

@@ -78,4 +78,49 @@ class SettingsViewModel(app: Application) : AppViewModel(app) {
     var preferenceDataHandling: Boolean
         get() = repo.getBooleanPreference(SettingsPreferences.DATA_HANDLING)
         set(newValue) { repo.setPreference(SettingsPreferences.DATA_HANDLING, newValue) }
+
+    /**
+     * This value determines whether the user has enabled experimental settings.
+     */
+    var preferenceExperimentalSettingsEnabled: Boolean
+        get() = repo.getBooleanPreference(SettingsPreferences.EXPERIMENTAL_ENABLED)
+        set(newValue) { repo.setPreference(SettingsPreferences.EXPERIMENTAL_ENABLED, newValue) }
+
+    // --- functions for dev codes --- //
+
+    /**
+     * Deletes everything from the database.
+     */
+    fun nukeEverything() {
+        nukeEvents()
+        nukeOfferItems()
+        nukeOfferCategories()
+        nukeOfferCanteens()
+        nukeOfferDates()
+    }
+
+    /**
+     * Deletes all Stud.IP events from the database.
+     */
+    fun nukeEvents() { doAsync { repo.nukeEvents() } }
+
+    /**
+     * Deletes all canteen items from the database.
+     */
+    fun nukeOfferItems() { doAsync { repo.nukeOfferItems() } }
+
+    /**
+     * Deletes all canteen categories from the database.
+     */
+    fun nukeOfferCategories() { doAsync { repo.nukeOfferCategories() } }
+
+    /**
+     * Deletes all canteens from the database.
+     */
+    fun nukeOfferCanteens() { doAsync { repo.nukeOfferCanteens() } }
+
+    /**
+     * Deletes all canteen dates from the database.
+     */
+    fun nukeOfferDates() { doAsync { repo.nukeOfferDates() } }
 }

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

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M6.41,6l-1.41,1.41l4.58,4.59l-4.58,4.59l1.41,1.41l6,-6z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M13,6l-1.41,1.41l4.58,4.59l-4.58,4.59l1.41,1.41l6,-6z"/>
+</vector>

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

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     tools:context=".fragment.SettingsFragment"
+    android:id="@+id/coordinator_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">
@@ -37,7 +38,8 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical"
-            android:paddingBottom="8dp">
+            android:paddingBottom="8dp"
+            android:animateLayoutChanges="true">
 
             <!-- Stud.IP schedule settings -->
             <com.google.android.material.card.MaterialCardView
@@ -262,6 +264,7 @@
                             app:layout_constraintTop_toTopOf="parent">
 
                             <TextView
+                                android:id="@+id/settings_allergens_title_view"
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:fontFamily="@font/lato_bolditalic"
@@ -269,6 +272,7 @@
                                 android:textSize="16sp" />
 
                             <TextView
+                                android:id="@+id/settings_allergens_subtitle_view"
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:text="@string/settings_allergens_subtitle"
@@ -595,6 +599,154 @@
 
             </com.google.android.material.card.MaterialCardView>
 
+            <!-- development settings -->
+            <com.google.android.material.card.MaterialCardView
+                android:id="@+id/card_experimental_settings"
+                style="@style/Widget.Material3.CardView.Outlined"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="8dp"
+                android:layout_marginVertical="4dp">
+
+                <androidx.appcompat.widget.LinearLayoutCompat
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:paddingBottom="8dp">
+
+                    <TextView
+                        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"
+                        android:text="@string/settings_experimental"
+                        android:textSize="22sp" />
+
+                    <com.google.android.material.divider.MaterialDivider
+                        style="@style/DividerTheme"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginHorizontal="16dp"/>
+
+                    <!-- Hide experiments -->
+                    <androidx.appcompat.widget.LinearLayoutCompat
+                        android:id="@+id/button_hide_experiments"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@drawable/selectable_item_background"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:orientation="vertical"
+                        android:paddingHorizontal="16dp"
+                        android:paddingVertical="8dp">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:fontFamily="@font/lato_bolditalic"
+                            android:text="@string/settings_hide_experiments_title"
+                            android:textSize="16sp" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@string/settings_hide_experiments_subtitle"
+                            android:textSize="16sp" />
+
+                    </androidx.appcompat.widget.LinearLayoutCompat>
+
+                    <!-- Build time -->
+                    <androidx.appcompat.widget.LinearLayoutCompat
+                        android:id="@+id/button_build_time"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@drawable/selectable_item_background"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:orientation="vertical"
+                        android:paddingHorizontal="16dp"
+                        android:paddingVertical="8dp">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:fontFamily="@font/lato_bolditalic"
+                            android:text="@string/settings_build_time"
+                            android:textSize="16sp" />
+
+                        <TextView
+                            android:id="@+id/build_time_text"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:textSize="16sp" />
+
+                    </androidx.appcompat.widget.LinearLayoutCompat>
+
+                    <!-- Dev codes -->
+                    <androidx.appcompat.widget.LinearLayoutCompat
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@drawable/selectable_item_background"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:orientation="vertical"
+                        android:paddingHorizontal="16dp"
+                        android:paddingVertical="8dp">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:fontFamily="@font/lato_bolditalic"
+                            android:text="@string/settings_dev_codes_title"
+                            android:textSize="16sp" />
+
+                        <androidx.appcompat.widget.LinearLayoutCompat
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:orientation="horizontal">
+
+                            <com.google.android.material.textfield.TextInputLayout
+                                style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
+                                android:layout_width="0dp"
+                                android:layout_height="wrap_content"
+                                android:layout_weight="4"
+                                android:layout_marginEnd="8dp"
+                                android:hint="@string/settings_dev_codes_hint">
+
+                                <com.google.android.material.textfield.TextInputEditText
+                                    style="@style/Widget.Material3.TextInputEditText.OutlinedBox"
+                                    android:maxLines="1"
+                                    android:maxLength="6"
+                                    android:id="@+id/input_dev_code"
+                                    android:layout_width="match_parent"
+                                    android:layout_height="wrap_content"
+                                    android:gravity="center"
+                                    android:fontFamily="@font/ibm_regular"
+                                    android:inputType="textNoSuggestions"/>
+
+                            </com.google.android.material.textfield.TextInputLayout>
+
+                            <com.google.android.material.button.MaterialButton
+                                style="@style/Widget.Material3.Button.IconButton.Outlined"
+                                android:id="@+id/button_dev_codes"
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:minWidth="0dp"
+                                app:icon="@drawable/double_arrow_right"
+                                app:iconPadding="0dp"
+                                app:strokeColor="?attr/colorOutlineVariant"
+                                app:iconTint="?attr/colorOnSurfaceVariant"/>
+
+                        </androidx.appcompat.widget.LinearLayoutCompat>
+
+                    </androidx.appcompat.widget.LinearLayoutCompat>
+
+                </androidx.appcompat.widget.LinearLayoutCompat>
+
+            </com.google.android.material.card.MaterialCardView>
+
         </androidx.appcompat.widget.LinearLayoutCompat>
 
     </androidx.core.widget.NestedScrollView>

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

@@ -169,6 +169,7 @@
     <string name="settings_schedule">Stud.IP-Stundenplan</string>
     <string name="settings_canteen">Mensenangebote</string>
     <string name="settings_misc">Sonstiges</string>
+    <string name="settings_experimental">Experimentelles</string>
 
     <string name="refresh_schedule_title">Aktualisiere deinen Stud.IP-Stundenplan</string>
     <string name="refresh_schedule_subtitle">Dies wird alle Anpassungen löschen!</string>
@@ -194,6 +195,8 @@
 
     <string name="settings_allergens_title">Markiere Angebote mit Allergenen mit einem Stern*</string>
     <string name="settings_allergens_subtitle">Wird auch für Zusatzstoffe genutzt</string>
+    <string name="settings_allergens_title_alt">App entwickelt von denizk0461</string>
+    <string name="settings_allergens_subtitle_alt">Danke, dass du meine App nutzt ☺︎♡</string>
 
     <string name="settings_launch_canteen_title">Wähle, mit welchem Bildschirm die App startet</string>
 

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

@@ -173,6 +173,7 @@
     <string name="settings_schedule">Stud.IP Schedule</string>
     <string name="settings_canteen">Canteen Offers</string>
     <string name="settings_misc">Miscellaneous</string>
+    <string name="settings_experimental">Experimental</string>
 
     <string name="refresh_schedule_title">Refresh your Stud.IP schedule</string>
     <string name="refresh_schedule_subtitle">This will clear any customisations!</string>
@@ -198,6 +199,8 @@
 
     <string name="settings_allergens_title">Mark offers with allergens with a star*</string>
     <string name="settings_allergens_subtitle">Also applies to additives</string>
+    <string name="settings_allergens_title_alt">App developed by denizk0461</string>
+    <string name="settings_allergens_subtitle_alt">Thank you for using my app ☺︎♡</string>
 
     <string name="settings_pref_colour_title">Colour dietary preferences</string>
     <string name="settings_pref_colour_subtitle">Icons will be coloured similarly to how they look the website</string> <!-- TODO this text sucks, DE too -->
@@ -215,11 +218,23 @@
 
     <string name="settings_licences_title">View licences</string>
     <string name="settings_licences_subtitle">Resources that made this app possible</string>
+    <string name="settings_unlocked_experiments" translatable="false">Experimental settings have been unlocked.</string>
+    <string name="settings_hide_experiments" translatable="false">Experimental settings have been hidden.</string>
 
     <string name="sheet_cheat_header" translatable="false">Cheat Codes</string>
 
     <string name="settings_app_version">App Version</string>
 
+    <string name="settings_hide_experiments_title" translatable="false">Hide experimental settings</string>
+    <string name="settings_hide_experiments_subtitle" translatable="false">Show them again via licences button</string>
+
+    <string name="settings_build_time" translatable="false">Gradle build code &amp; time</string>
+
+    <string name="settings_dev_codes_title" translatable="false">Development codes</string>
+    <string name="settings_dev_codes_hint" translatable="false">6 chars</string>
+    <string name="settings_dev_codes_button" translatable="false">→</string>
+    <string name="settings_dev_codes_invalid" translatable="false">This code could not be found.</string>
+
     <string name="settings_app_version_15">keep clicking</string>
     <string name="settings_app_version_20" translatable="false">^_^</string>
     <string name="settings_app_version_30" translatable="false">^_____^</string>