Revert hiding cutout setting from reader sheet

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderSettingsSheet.kt

@@ -1,6 +1,5 @@
 package eu.kanade.tachiyomi.ui.reader
 
-import android.os.Build
 import android.os.Bundle
 import android.widget.CompoundButton
 import android.widget.Spinner
@@ -85,14 +84,7 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
         background_color.bindToPreference(preferences.readerTheme())
         show_page_number.bindToPreference(preferences.showPageNumber())
         fullscreen.bindToPreference(preferences.fullscreen())
-
-        val hasDisplayCutout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P &&
-            activity.window?.decorView?.rootWindowInsets?.displayCutout != null
-        if (hasDisplayCutout) {
-            cutout_short.visible()
         cutout_short.bindToPreference(preferences.cutoutShort())
-        }
-
         keepscreen.bindToPreference(preferences.keepScreenOn())
         long_tap.bindToPreference(preferences.readWithLongTap())
         always_show_chapter_transition.bindToPreference(preferences.alwaysShowChapterTransition())

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt

@@ -10,6 +10,7 @@ import eu.kanade.tachiyomi.util.preference.intListPreference
 import eu.kanade.tachiyomi.util.preference.preferenceCategory
 import eu.kanade.tachiyomi.util.preference.switchPreference
 import eu.kanade.tachiyomi.util.preference.titleRes
+import eu.kanade.tachiyomi.util.system.hasDisplayCutout
 
 class SettingsReaderController : SettingsController() {
 
@@ -86,9 +87,7 @@ class SettingsReaderController : SettingsController() {
                 defaultValue = true
             }
 
-            val hasDisplayCutout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P &&
-                activity?.window?.decorView?.rootWindowInsets?.displayCutout != null
-            if (hasDisplayCutout) {
+            if (activity?.hasDisplayCutout() == true) {
                 switchPreference {
                     key = Keys.cutoutShort
                     titleRes = R.string.pref_cutout_short

app/src/main/java/eu/kanade/tachiyomi/util/system/ActivityExtensions.kt

@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
+import android.os.Build
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.lang.truncateCenter
 
@@ -21,3 +22,13 @@ fun Activity.copyToClipboard(label: String, content: String) {
 
     toast(getString(R.string.copied_to_clipboard, content.truncateCenter(50)))
 }
+
+/**
+ * Checks whether if the device has a display cutout (i.e. notch, camera cutout, etc.).
+ *
+ * Only works in Android 9+.
+ */
+fun Activity.hasDisplayCutout(): Boolean {
+    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.P &&
+        window.decorView.rootWindowInsets?.displayCutout != null
+}

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

@@ -132,7 +132,6 @@
         android:layout_height="wrap_content"
         android:text="@string/pref_cutout_short"
         android:textColor="?android:attr/textColorSecondary"
-        android:visibility="gone"
         app:layout_constraintTop_toBottomOf="@id/fullscreen" />
 
     <com.google.android.material.switchmaterial.SwitchMaterial