Added information on data collection as well as an opt-in toggle, which is not yet implemented

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

@@ -9,8 +9,10 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.viewModels
 import com.denizk0461.studip.BuildConfig
+import com.denizk0461.studip.R
 import com.denizk0461.studip.activity.FetcherActivity
 import com.denizk0461.studip.databinding.FragmentSettingsBinding
+import com.denizk0461.studip.sheet.TextSheet
 import com.denizk0461.studip.viewmodel.SettingsViewModel
 
 /**
@@ -57,6 +59,13 @@ class SettingsFragment : AppFragment() {
             }
         }
 
+        binding.buttonDataHandling.setOnClickListener {
+            openBottomSheet(TextSheet(
+                R.string.settings_data_sheet_header,
+                R.string.settings_data_sheet_content
+            ))
+        }
+
         // Set click listener for the app version button
         binding.buttonAppVersion.setOnClickListener {
             when (appVersionClick) {

app/src/main/java/com/denizk0461/studip/sheet/AllergenSheet.kt

@@ -15,6 +15,9 @@ import com.denizk0461.studip.model.DietaryPreferences
 /**
  * This class is used to display further information on a canteen offer to the user. Unlike the name
  * implies, it displays more than just allergens.
+ *
+ * @param offer     item to display further information on
+ * @param category  category the offer belongs to
  */
 class AllergenSheet(
     private val offer: CanteenOfferGroupElement,

app/src/main/java/com/denizk0461/studip/sheet/TextSheet.kt

@@ -0,0 +1,31 @@
+package com.denizk0461.studip.sheet
+
+import android.os.Bundle
+import android.view.View
+import androidx.annotation.StringRes
+import com.denizk0461.studip.R
+import com.denizk0461.studip.data.viewBinding
+import com.denizk0461.studip.databinding.SheetTextBinding
+
+/**
+ * Bottom sheet used for displaying any sort of text to the user.
+ *
+ * @param header    headline for the window
+ * @param content   content text for the window
+ */
+class TextSheet(
+    @StringRes private val header: Int,
+    @StringRes private val content: Int
+) : AppSheet(R.layout.sheet_text) {
+
+    private val binding: SheetTextBinding by viewBinding(SheetTextBinding::bind)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.apply {
+            textHeader.text = getString(header)
+            textContent.text = getString(content)
+        }
+    }
+}