Change setting ripple color

Change the ripple on the settings to a generally neutral color instead of the gaudy colorPrimary.

app/build.gradle

@@ -89,13 +89,17 @@ dependencies {
     implementation 'io.coil-kt:coil:0.13.0'
 
     // Material
-    implementation 'com.google.android.material:material:1.3.0-alpha03'
+    implementation 'com.google.android.material:material:1.3.0-alpha04'
 
     // Fast-Scroll
     implementation 'com.reddit:indicator-fast-scroll:1.3.0'
 
+    // Dialogs
     implementation 'com.afollestad.material-dialogs:core:3.3.0'
 
+    // Edge-To-Edge
+    implementation 'de.halfbit:edge-to-edge:0.10'
+
     // --- DEV ---
 
     // Lint

app/proguard-rules.pro

@@ -22,4 +22,4 @@
 
 -dontobfuscate
 
--keep class org.oxycblt.auxio.settings.SettingListFragment
+-keep class org.oxycblt.auxio.settings.SettingsListFragment

app/src/main/java/org/oxycblt/auxio/recycler/NoLeakThumbView.kt

@@ -26,8 +26,8 @@ import org.oxycblt.auxio.ui.accent
 import org.oxycblt.auxio.ui.toColor
 
 /**
- * A source code copy of [com.reddit.indicatorfastscroll.FastScrollerThumbView] that fixes a
+ * A semi-copy, semi-custom implementation of [com.reddit.indicatorfastscroll.FastScrollerThumbView]
- * memory leak that occurs from having nested fragments. All credit goes to the authors of
+ * that fixes a memory leak that occurs from a bug fix they added. All credit goes to the authors of
  * the fast scroll library.
  * <a href="https://github.com/reddit/IndicatorFastScroll"> Link to repo </a>
  * @author Reddit, OxygenCobalt
@@ -81,7 +81,11 @@ class NoLeakThumbView @JvmOverloads constructor(
             fastScrollerView.onTouchEvent(event)
             fastScrollerView.performClick()
 
-            if (event.actionMasked in intArrayOf(MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL)) {
+            if (event.actionMasked in intArrayOf(
+                MotionEvent.ACTION_UP,
+                MotionEvent.ACTION_CANCEL
+            )
+            ) {
                 isActivated = false
                 return@setOnTouchListener true
             }
@@ -104,15 +108,9 @@ class NoLeakThumbView @JvmOverloads constructor(
 
         fastScrollerView.apply {
             children.forEach { view ->
-                if (view.containsY(touchY)) {
+                if (view.containsY(touchY) && (view is ImageView || view is TextView)) {
-                    when (view) {
+                    consumed = true
-                        is ImageView -> {
+                    return@forEach
-                            consumed = true
-                        }
-                        is TextView -> {
-                            consumed = true
-                        }
-                    }
                 }
             }
         }

app/src/main/java/org/oxycblt/auxio/settings/SettingsListFragment.kt

@@ -1,12 +1,17 @@
 package org.oxycblt.auxio.settings
 
+import android.annotation.SuppressLint
 import android.os.Bundle
 import android.util.Log
 import android.view.View
+import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.fragment.app.activityViewModels
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.PreferenceGroupAdapter
+import androidx.preference.PreferenceScreen
+import androidx.preference.PreferenceViewHolder
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.afollestad.materialdialogs.MaterialDialog
@@ -18,12 +23,15 @@ import org.oxycblt.auxio.ui.ACCENTS
 import org.oxycblt.auxio.ui.accent
 import org.oxycblt.auxio.ui.getDetailedAccentSummary
 
-class SettingListFragment : PreferenceFragmentCompat() {
+class SettingsListFragment : PreferenceFragmentCompat() {
     private val settingsModel: SettingsViewModel by activityViewModels()
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        view.apply {
+        }
+
         val themePref = findPreference<Preference>(SettingsManager.Keys.KEY_THEME)?.apply {
             setIcon(
                 when (AppCompatDelegate.getDefaultNightMode()) {
@@ -80,9 +88,33 @@ class SettingListFragment : PreferenceFragmentCompat() {
         setPreferencesFromResource(R.xml.prefs_main, rootKey)
     }
 
+    // Forcefully override the adapter creation process so I can get rid of the ugly
+    // colorPrimary ripples.
+    @SuppressLint("RestrictedApi")
+    override fun onCreateAdapter(preferenceScreen: PreferenceScreen?): RecyclerView.Adapter<*> {
+        return object : PreferenceGroupAdapter(preferenceScreen) {
+            override fun onCreateViewHolder(
+                parent: ViewGroup,
+                viewType: Int
+            ): PreferenceViewHolder {
+                val holder = super.onCreateViewHolder(parent, viewType)
+
+                if (holder.itemView.id != android.R.id.title) {
+                    holder.itemView.setBackgroundResource(R.drawable.ui_ripple)
+                }
+
+                return holder
+            }
+        }
+    }
+
+    private fun offLoad(something: String) {
+        Log.d(this::class.simpleName, something)
+    }
+
     private fun showAccentDialog() {
         MaterialDialog(requireActivity()).show {
-            title(R.string.label_settings_accent)
+            title(R.string.setting_accent)
 
             // Roll my own RecyclerView since [To no surprise whatsoever] Material Dialogs
             // has a bug where ugly dividers will show with the RecyclerView even if you disable them.

app/src/main/java/org/oxycblt/auxio/settings/SettingsManager.kt

@@ -14,7 +14,8 @@ import org.oxycblt.auxio.ui.ACCENTS
  * the first time it occurs.
  * @author OxygenCobalt
  */
-class SettingsManager private constructor(context: Context) : SharedPreferences.OnSharedPreferenceChangeListener {
+class SettingsManager private constructor(context: Context) :
+    SharedPreferences.OnSharedPreferenceChangeListener {
     private val sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context)
 
     init {
@@ -79,6 +80,10 @@ class SettingsManager private constructor(context: Context) : SharedPreferences.
         ) ?: SortMode.ALPHA_DOWN
     }
 
+    fun getEdgeToEdge(): Boolean {
+        return sharedPrefs.getBoolean(Keys.KEY_EDGE_TO_EDGE, false)
+    }
+
     // --- OVERRIDES ---
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
@@ -124,6 +129,7 @@ class SettingsManager private constructor(context: Context) : SharedPreferences.
         const val KEY_LIBRARY_SORT_MODE = "KEY_LIBRARY_SORT_MODE"
         const val KEY_THEME = "KEY_THEME"
         const val KEY_ACCENT = "KEY_ACCENT"
+        const val KEY_EDGE_TO_EDGE = "KEY_EDGE"
     }
 
     private object Theme {
@@ -133,11 +139,12 @@ class SettingsManager private constructor(context: Context) : SharedPreferences.
     }
 
     /**
-     * A safe interface for receiving preference updates, use this instead of
+     * An interface for receiving some settings updates.
      * [SharedPreferences.OnSharedPreferenceChangeListener].
      */
     interface Callback {
         fun onThemeUpdate(newTheme: Int) {}
         fun onAccentUpdate(newAccent: Pair<Int, Int>) {}
+        fun onEdgeToEdgeUpdate(isEdgeToEdge: Boolean) {}
     }
 }

app/src/main/java/org/oxycblt/auxio/settings/adapters/AccentAdapter.kt

@@ -1,7 +1,6 @@
 package org.oxycblt.auxio.settings.adapters
 
 import android.content.res.ColorStateList
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
@@ -9,6 +8,7 @@ import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.ItemAccentBinding
 import org.oxycblt.auxio.ui.ACCENTS
 import org.oxycblt.auxio.ui.accent
+import org.oxycblt.auxio.ui.getAccentItemSummary
 import org.oxycblt.auxio.ui.toColor
 
 class AccentAdapter(
@@ -29,20 +29,25 @@ class AccentAdapter(
     ) : RecyclerView.ViewHolder(binding.root) {
 
         fun bind(accentData: Pair<Int, Int>) {
-            binding.accent.setOnClickListener {
-                Log.d(this::class.simpleName, accentData.toString())
-                doOnAccentConfirm(accentData)
-            }
-
             binding.accent.apply {
-                imageTintList = if (accentData.first != accent.first) {
+                contentDescription = getAccentItemSummary(context, accentData)
-                    ColorStateList.valueOf(
+
-                        android.R.color.transparent.toColor(context)
+                setOnClickListener {
-                    )
+                    doOnAccentConfirm(accentData)
-                } else {
+                }
+
+                imageTintList = if (accentData.first == accent.first) {
+                    isEnabled = false
+
                     ColorStateList.valueOf(
                         R.color.background.toColor(context)
                     )
+                } else {
+                    isEnabled = true
+
+                    ColorStateList.valueOf(
+                        android.R.color.transparent.toColor(context)
+                    )
                 }
 
                 backgroundTintList = ColorStateList.valueOf(

app/src/main/java/org/oxycblt/auxio/songs/SongsFragment.kt

@@ -129,18 +129,19 @@ class SongsFragment : Fragment(), SearchView.OnQueryTextListener {
 
             useDefaultScroller = false
 
-            itemIndicatorSelectedCallbacks.add(object : FastScrollerView.ItemIndicatorSelectedCallback {
+            itemIndicatorSelectedCallbacks.add(object :
-                override fun onItemIndicatorSelected(
+                    FastScrollerView.ItemIndicatorSelectedCallback {
-                    indicator: FastScrollItemIndicator,
+                    override fun onItemIndicatorSelected(
-                    indicatorCenterY: Int,
+                        indicator: FastScrollItemIndicator,
-                    itemPosition: Int
+                        indicatorCenterY: Int,
-                ) {
+                        itemPosition: Int
-                    val layoutManager = binding.songRecycler.layoutManager
+                    ) {
-                        as LinearLayoutManager
+                        val layoutManager = binding.songRecycler.layoutManager
+                            as LinearLayoutManager
 
-                    layoutManager.scrollToPositionWithOffset(itemPosition, 0)
+                        layoutManager.scrollToPositionWithOffset(itemPosition, 0)
+                    }
                 }
-            }
             )
         }
 

app/src/main/java/org/oxycblt/auxio/ui/InterfaceUtils.kt

@@ -93,6 +93,7 @@ fun PopupMenu.setupSongActions(song: Song, context: Context, playbackModel: Play
     }
     inflateAndShow(R.menu.menu_song_actions)
 }
+
 /**
  * Show actions for a song item, such as the ones found in [org.oxycblt.auxio.songs.SongsFragment]
  */

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

@@ -5,7 +5,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="?attr/colorPrimary">
-  <path
+    <path
-      android:fillColor="@android:color/white"
+        android:fillColor="@android:color/white"
-      android:pathData="M10.85,12.65h2.3L12,9l-1.15,3.65zM20,8.69V4h-4.69L12,0.69 8.69,4H4v4.69L0.69,12 4,15.31V20h4.69L12,23.31 15.31,20H20v-4.69L23.31,12 20,8.69zM14.3,16l-0.7,-2h-3.2l-0.7,2H7.8L11,7h2l3.2,9h-1.9z"/>
+        android:pathData="M10.85,12.65h2.3L12,9l-1.15,3.65zM20,8.69V4h-4.69L12,0.69 8.69,4H4v4.69L0.69,12 4,15.31V20h4.69L12,23.31 15.31,20H20v-4.69L23.31,12 20,8.69zM14.3,16l-0.7,-2h-3.2l-0.7,2H7.8L11,7h2l3.2,9h-1.9z" />
 </vector>

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

@@ -5,7 +5,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="@color/background">
-  <path
+    <path
-      android:fillColor="@android:color/white"
+        android:fillColor="@android:color/white"
-      android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>
+        android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z" />
 </vector>

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

@@ -5,7 +5,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="?attr/colorPrimary">
-  <path
+    <path
-      android:fillColor="@android:color/white"
+        android:fillColor="@android:color/white"
-      android:pathData="M20,8.69L20,4h-4.69L12,0.69 8.69,4L4,4v4.69L0.69,12 4,15.31L4,20h4.69L12,23.31 15.31,20L20,20v-4.69L23.31,12 20,8.69zM12,18c-3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6 6,2.69 6,6 -2.69,6 -6,6zM12,8c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4 -1.79,-4 -4,-4z"/>
+        android:pathData="M20,8.69L20,4h-4.69L12,0.69 8.69,4L4,4v4.69L0.69,12 4,15.31L4,20h4.69L12,23.31 15.31,20L20,20v-4.69L23.31,12 20,8.69zM12,18c-3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6 6,2.69 6,6 -2.69,6 -6,6zM12,8c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4 -1.79,-4 -4,-4z" />
 </vector>

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

@@ -5,7 +5,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="?attr/colorPrimary">
-  <path
+    <path
-      android:fillColor="@android:color/white"
+        android:fillColor="@android:color/white"
-      android:pathData="M20,15.31L23.31,12 20,8.69V4h-4.69L12,0.69 8.69,4H4v4.69L0.69,12 4,15.31V20h4.69L12,23.31 15.31,20H20v-4.69zM12,18c-3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6 6,2.69 6,6 -2.69,6 -6,6z"/>
+        android:pathData="M20,15.31L23.31,12 20,8.69V4h-4.69L12,0.69 8.69,4H4v4.69L0.69,12 4,15.31V20h4.69L12,23.31 15.31,20H20v-4.69zM12,18c-3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6 6,2.69 6,6 -2.69,6 -6,6z" />
 </vector>

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

@@ -5,7 +5,7 @@
     android:viewportWidth="24"
     android:viewportHeight="24"
     android:tint="?attr/colorPrimary">
-  <path
+    <path
-      android:fillColor="@android:color/white"
+        android:fillColor="@android:color/white"
-      android:pathData="M19.14,12.94c0.04,-0.3 0.06,-0.61 0.06,-0.94c0,-0.32 -0.02,-0.64 -0.07,-0.94l2.03,-1.58c0.18,-0.14 0.23,-0.41 0.12,-0.61l-1.92,-3.32c-0.12,-0.22 -0.37,-0.29 -0.59,-0.22l-2.39,0.96c-0.5,-0.38 -1.03,-0.7 -1.62,-0.94L14.4,2.81c-0.04,-0.24 -0.24,-0.41 -0.48,-0.41h-3.84c-0.24,0 -0.43,0.17 -0.47,0.41L9.25,5.35C8.66,5.59 8.12,5.92 7.63,6.29L5.24,5.33c-0.22,-0.08 -0.47,0 -0.59,0.22L2.74,8.87C2.62,9.08 2.66,9.34 2.86,9.48l2.03,1.58C4.84,11.36 4.8,11.69 4.8,12s0.02,0.64 0.07,0.94l-2.03,1.58c-0.18,0.14 -0.23,0.41 -0.12,0.61l1.92,3.32c0.12,0.22 0.37,0.29 0.59,0.22l2.39,-0.96c0.5,0.38 1.03,0.7 1.62,0.94l0.36,2.54c0.05,0.24 0.24,0.41 0.48,0.41h3.84c0.24,0 0.44,-0.17 0.47,-0.41l0.36,-2.54c0.59,-0.24 1.13,-0.56 1.62,-0.94l2.39,0.96c0.22,0.08 0.47,0 0.59,-0.22l1.92,-3.32c0.12,-0.22 0.07,-0.47 -0.12,-0.61L19.14,12.94zM12,15.6c-1.98,0 -3.6,-1.62 -3.6,-3.6s1.62,-3.6 3.6,-3.6s3.6,1.62 3.6,3.6S13.98,15.6 12,15.6z"/>
+        android:pathData="M19.14,12.94c0.04,-0.3 0.06,-0.61 0.06,-0.94c0,-0.32 -0.02,-0.64 -0.07,-0.94l2.03,-1.58c0.18,-0.14 0.23,-0.41 0.12,-0.61l-1.92,-3.32c-0.12,-0.22 -0.37,-0.29 -0.59,-0.22l-2.39,0.96c-0.5,-0.38 -1.03,-0.7 -1.62,-0.94L14.4,2.81c-0.04,-0.24 -0.24,-0.41 -0.48,-0.41h-3.84c-0.24,0 -0.43,0.17 -0.47,0.41L9.25,5.35C8.66,5.59 8.12,5.92 7.63,6.29L5.24,5.33c-0.22,-0.08 -0.47,0 -0.59,0.22L2.74,8.87C2.62,9.08 2.66,9.34 2.86,9.48l2.03,1.58C4.84,11.36 4.8,11.69 4.8,12s0.02,0.64 0.07,0.94l-2.03,1.58c-0.18,0.14 -0.23,0.41 -0.12,0.61l1.92,3.32c0.12,0.22 0.37,0.29 0.59,0.22l2.39,-0.96c0.5,0.38 1.03,0.7 1.62,0.94l0.36,2.54c0.05,0.24 0.24,0.41 0.48,0.41h3.84c0.24,0 0.44,-0.17 0.47,-0.41l0.36,-2.54c0.59,-0.24 1.13,-0.56 1.62,-0.94l2.39,0.96c0.22,0.08 0.47,0 0.59,-0.22l1.92,-3.32c0.12,-0.22 0.07,-0.47 -0.12,-0.61L19.14,12.94zM12,15.6c-1.98,0 -3.6,-1.62 -3.6,-3.6s1.62,-3.6 3.6,-3.6s3.6,1.62 3.6,3.6S13.98,15.6 12,15.6z" />
 </vector>

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

@@ -4,6 +4,5 @@
     <size
         android:width="48dp"
         android:height="48dp" />
-    <solid
+    <solid android:color="@android:color/white" />
-        android:color="@android:color/white" />
 </shape>

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

@@ -16,12 +16,12 @@
             android:elevation="@dimen/elevation_normal"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:title="@string/label_settings"
+            app:title="@string/setting_title"
             app:titleTextAppearance="@style/TextAppearance.Toolbar.Header" />
 
         <androidx.fragment.app.FragmentContainerView
             android:id="@+id/settings_list_fragment"
-            android:name="org.oxycblt.auxio.settings.SettingListFragment"
+            android:name="org.oxycblt.auxio.settings.SettingsListFragment"
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
 

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

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
+
     <data>
 
     </data>
@@ -9,6 +10,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:padding="@dimen/margin_mid_small">
+
         <ImageButton
             android:id="@+id/accent"
             android:layout_width="wrap_content"

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

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TextView
+<TextView android:id="@android:id/title"
-    android:id="@android:id/title"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:textColor="?android:attr/textColorPrimary"

app/src/main/res/menu/menu_nav.xml

@@ -10,6 +10,6 @@
         android:icon="@drawable/ic_song" />
     <item
         android:id="@+id/settings_fragment"
-        android:title="@string/label_settings"
+        android:title="@string/setting_title"
         android:icon="@drawable/ic_settings" />
 </menu>

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

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <array name="theme_entries">
-        <item>@string/label_settings_theme_auto</item>
+        <item>@string/setting_theme_auto</item>
-        <item>@string/label_settings_theme_light</item>
+        <item>@string/setting_theme_day</item>
-        <item>@string/label_settings_theme_dark</item>
+        <item>@string/setting_theme_night</item>
     </array>
 
     <array name="theme_values">

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

@@ -27,14 +27,18 @@
     <string name="label_next_user_queue">Next in Queue</string>
     <string name="label_channel">Music Playback</string>
     <string name="label_service_playback">The music playback service for Auxio.</string>
-    <string name="label_settings">Settings</string>
+
-    <string name="label_settings_ui">Appearance</string>
+    <!-- Settings namespace | Settings-related labels -->
-    <string name="label_settings_theme">Theme</string>
+    <string name="setting_title">Settings</string>
-    <string name="label_settings_theme_auto">Automatic</string>
+    <string name="setting_ui">Appearance</string>
-    <string name="label_settings_theme_light">Light</string>
+    <string name="setting_theme">Theme</string>
-    <string name="label_settings_theme_dark">Dark</string>
+    <string name="setting_theme_auto">Automatic</string>
-    <string name="label_settings_theme_choose">Choose theme</string>
+    <string name="setting_theme_day">Light</string>
-    <string name="label_settings_accent">Accent</string>
+    <string name="setting_theme_night">Dark</string>
+    <string name="setting_accent">Accent</string>
+    <string name="setting_edge">Edge-To-Edge</string>
+    <string name="setting_edge_desc_on">Disable edge-to-edge</string>
+    <string name="setting_edge_desc_off">Enable edge-to-edge</string>
 
     <!-- Debug Namespace | Debug labels -->
     <string name="debug_state_saved">State saved</string>

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

@@ -13,12 +13,17 @@
         <item name="colorControlNormal">@color/control_color</item>
         <item name="alertDialogTheme">@style/Theme.CustomDialog</item>
         <item name="indicatorFastScrollerStyle">@style/FastScrollTheme</item>
+        <item name="colorControlActivated">?attr/colorPrimary</item>
+        <item name="colorControlHighlight">?attr/colorPrimary</item>
+        <item name="preferenceTheme">@style/Theme.Preference</item>
 
         <item name="md_divider_color">@android:color/transparent</item>
         <item name="md_background_color">@color/background</item>
         <item name="md_corner_radius">0dp</item>
         <item name="md_color_button_text">@color/control_color</item>
         <item name="md_font_title">@font/inter_black</item>
+
+        <item name="android:activatedBackgroundIndicator">@drawable/ui_ripple</item>
     </style>
 
     <!-- Hack to fix the weird icon/underline with LibraryFragment's SearchView -->
@@ -83,6 +88,12 @@
         <item name="android:textSize">18sp</item>
     </style>
 
+    <style name="Theme.Preference" parent="PreferenceThemeOverlay">
+        <item name="rippleColor">@color/selection_color</item>
+        <item name="itemRippleColor">@color/selection_color</item>
+        <item name="tabRippleColor">@color/selection_color</item>
+    </style>
+
     <!--
     Fix to get QueueFragment to not overlap the Status Bar or Navigation Bar [Currently unused but still here]
     https://stackoverflow.com/a/57790787/14143986

app/src/main/res/xml-v27/prefs_main.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        android:title="@string/setting_ui"
+        android:layout="@layout/item_prefs_header">
+        <ListPreference
+            app:key="KEY_THEME"
+            android:title="@string/setting_theme"
+            android:icon="@drawable/ic_day"
+            android:entries="@array/theme_entries"
+            android:entryValues="@array/theme_values"
+            app:defaultValue="AUTO"
+            app:useSimpleSummaryProvider="true" />
+
+        <Preference
+            app:key="KEY_ACCENT"
+            android:title="@string/setting_accent"
+            android:icon="@drawable/ic_accent"
+            app:summary="@string/setting_accent" />
+
+        <SwitchPreferenceCompat
+            app:key="KEY_EDGE"
+            android:title="@string/setting_edge"
+            app:summaryOn="@string/setting_edge_desc_on"
+            app:summaryOff="@string/setting_edge_desc_off"
+            app:iconSpaceReserved="false"
+            android:defaultValue="false" />
+    </PreferenceCategory>
+</PreferenceScreen>

app/src/main/res/xml/prefs_main.xml

@@ -2,11 +2,11 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <PreferenceCategory
-        android:title="@string/label_settings_ui"
+        android:title="@string/setting_ui"
         android:layout="@layout/item_prefs_header">
         <ListPreference
             app:key="KEY_THEME"
-            android:title="@string/label_settings_theme"
+            android:title="@string/setting_theme"
             android:icon="@drawable/ic_day"
             android:entries="@array/theme_entries"
             android:entryValues="@array/theme_values"
@@ -15,9 +15,8 @@
 
         <Preference
             app:key="KEY_ACCENT"
-            android:title="@string/label_settings_accent"
+            android:title="@string/setting_accent"
             android:icon="@drawable/ic_accent"
-            app:summary="@string/label_settings_accent"
+            app:summary="@string/setting_accent" />
-            app:enableCopying="true" />
     </PreferenceCategory>
 </PreferenceScreen>