android: Trim settings enums and items

Take advantage of the new settings interface to reduce the amount of code we need for each setting item. Additionally make all settings items non-null to improve brevity.

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/AbstractSetting.kt

@@ -15,5 +15,5 @@ interface AbstractSetting {
     val isRuntimeModifiable: Boolean
         get() = NativeConfig.getIsRuntimeModifiable(key!!)
 
-    fun reset() = run { }
+    fun reset()
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/DateTimeSetting.kt

@@ -4,28 +4,15 @@
 package org.yuzu.yuzu_emu.features.settings.model.view
 
 import org.yuzu.yuzu_emu.features.settings.model.AbstractLongSetting
-import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 
 class DateTimeSetting(
-    setting: AbstractSetting?,
+    private val longSetting: AbstractLongSetting,
     titleId: Int,
-    descriptionId: Int,
+    descriptionId: Int
-    val key: String? = null,
+) : SettingsItem(longSetting, titleId, descriptionId) {
-    private val defaultValue: Long? = null
-) : SettingsItem(setting, titleId, descriptionId) {
     override val type = TYPE_DATETIME_SETTING
 
-    val value: Long
+    var value: Long
-        get() = if (setting != null) {
+        get() = longSetting.long
-            val setting = setting as AbstractLongSetting
+        set(value) = (setting as AbstractLongSetting).setLong(value)
-            setting.long
-        } else {
-            defaultValue!!
-        }
-
-    fun setSelectedValue(datetime: Long): AbstractLongSetting {
-        val longSetting = setting as AbstractLongSetting
-        longSetting.setLong(datetime)
-        return longSetting
-    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/HeaderSetting.kt

@@ -5,6 +5,6 @@ package org.yuzu.yuzu_emu.features.settings.model.view
 
 class HeaderSetting(
     titleId: Int
-) : SettingsItem(null, titleId, 0) {
+) : SettingsItem(emptySetting, titleId, 0) {
     override val type = TYPE_HEADER
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/RunnableSetting.kt

@@ -8,6 +8,6 @@ class RunnableSetting(
     descriptionId: Int,
     val isRuntimeRunnable: Boolean,
     val runnable: () -> Unit
-) : SettingsItem(null, titleId, descriptionId) {
+) : SettingsItem(emptySetting, titleId, descriptionId) {
     override val type = TYPE_RUNNABLE
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -5,6 +5,7 @@ package org.yuzu.yuzu_emu.features.settings.model.view
 
 import org.yuzu.yuzu_emu.NativeLibrary
 import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
+import org.yuzu.yuzu_emu.features.settings.model.Settings
 
 /**
  * ViewModel abstraction for an Item in the RecyclerView powering SettingsFragments.
@@ -14,7 +15,7 @@ import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
  * file.)
  */
 abstract class SettingsItem(
-    var setting: AbstractSetting?,
+    val setting: AbstractSetting,
     val nameId: Int,
     val descriptionId: Int
 ) {
@@ -23,7 +24,7 @@ abstract class SettingsItem(
     val isEditable: Boolean
         get() {
             if (!NativeLibrary.isRunning()) return true
-            return setting?.isRuntimeModifiable ?: false
+            return setting.isRuntimeModifiable
         }
 
     companion object {
@@ -35,5 +36,12 @@ abstract class SettingsItem(
         const val TYPE_STRING_SINGLE_CHOICE = 5
         const val TYPE_DATETIME_SETTING = 6
         const val TYPE_RUNNABLE = 7
+
+        val emptySetting = object : AbstractSetting {
+            override val key: String = ""
+            override val category: Settings.Category = Settings.Category.Ui
+            override val defaultValue: Any = false
+            override fun reset() {}
+        }
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SingleChoiceSetting.kt

@@ -4,36 +4,27 @@
 package org.yuzu.yuzu_emu.features.settings.model.view
 
 import org.yuzu.yuzu_emu.features.settings.model.AbstractIntSetting
+import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 
 class SingleChoiceSetting(
-    setting: AbstractIntSetting?,
+    setting: AbstractSetting,
     titleId: Int,
     descriptionId: Int,
     val choicesId: Int,
-    val valuesId: Int,
+    val valuesId: Int
-    val key: String? = null,
-    val defaultValue: Int? = null
 ) : SettingsItem(setting, titleId, descriptionId) {
     override val type = TYPE_SINGLE_CHOICE
 
-    val selectedValue: Int
+    var selectedValue: Int
-        get() = if (setting != null) {
+        get() {
-            val setting = setting as AbstractIntSetting
+            return when (setting) {
-            setting.int
+                is AbstractIntSetting -> setting.int
-        } else {
+                else -> -1
-            defaultValue!!
+            }
+        }
+        set(value) {
+            when (setting) {
+                is AbstractIntSetting -> setting.setInt(value)
             }
-
-    /**
-     * Write a value to the backing int. If that int was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param selection New value of the int.
-     * @return the existing setting with the new value applied.
-     */
-    fun setSelectedValue(selection: Int): AbstractIntSetting {
-        val intSetting = setting as AbstractIntSetting
-        intSetting.setInt(selection)
-        return intSetting
         }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SliderSetting.kt

@@ -4,75 +4,38 @@
 package org.yuzu.yuzu_emu.features.settings.model.view
 
 import org.yuzu.yuzu_emu.features.settings.model.AbstractByteSetting
-import kotlin.math.roundToInt
 import org.yuzu.yuzu_emu.features.settings.model.AbstractFloatSetting
 import org.yuzu.yuzu_emu.features.settings.model.AbstractIntSetting
 import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 import org.yuzu.yuzu_emu.features.settings.model.AbstractShortSetting
-import org.yuzu.yuzu_emu.utils.Log
+import kotlin.math.roundToInt
 
 class SliderSetting(
-    setting: AbstractSetting?,
+    setting: AbstractSetting,
     titleId: Int,
     descriptionId: Int,
     val min: Int,
     val max: Int,
-    val units: String,
+    val units: String
-    val key: String? = null,
-    val defaultValue: Any? = null
 ) : SettingsItem(setting, titleId, descriptionId) {
     override val type = TYPE_SLIDER
 
-    val selectedValue: Any
+    var selectedValue: Int
         get() {
-            val setting = setting ?: return defaultValue!!
             return when (setting) {
                 is AbstractByteSetting -> setting.byte.toInt()
                 is AbstractShortSetting -> setting.short.toInt()
                 is AbstractIntSetting -> setting.int
                 is AbstractFloatSetting -> setting.float.roundToInt()
-                else -> {
+                else -> -1
-                    Log.error("[SliderSetting] Error casting setting type.")
-                    -1
             }
         }
+        set(value) {
+            when (setting) {
+                is AbstractByteSetting -> setting.setByte(value.toByte())
+                is AbstractShortSetting -> setting.setShort(value.toShort())
+                is AbstractIntSetting -> setting.setInt(value)
+                is AbstractFloatSetting -> setting.setFloat(value.toFloat())
             }
-
-    /**
-     * Write a value to the backing int. If that int was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param selection New value of the int.
-     * @return the existing setting with the new value applied.
-     */
-    fun setSelectedValue(selection: Int): AbstractIntSetting {
-        val intSetting = setting as AbstractIntSetting
-        intSetting.setInt(selection)
-        return intSetting
-    }
-
-    /**
-     * Write a value to the backing float. If that float was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param selection New value of the float.
-     * @return the existing setting with the new value applied.
-     */
-    fun setSelectedValue(selection: Float): AbstractFloatSetting {
-        val floatSetting = setting as AbstractFloatSetting
-        floatSetting.setFloat(selection)
-        return floatSetting
-    }
-
-    fun setSelectedValue(selection: Short): AbstractShortSetting {
-        val shortSetting = setting as AbstractShortSetting
-        shortSetting.setShort(selection)
-        return shortSetting
-    }
-
-    fun setSelectedValue(selection: Byte): AbstractByteSetting {
-        val byteSetting = setting as AbstractByteSetting
-        byteSetting.setByte(selection)
-        return byteSetting
         }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/StringSingleChoiceSetting.kt

@@ -3,57 +3,31 @@
 
 package org.yuzu.yuzu_emu.features.settings.model.view
 
-import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 import org.yuzu.yuzu_emu.features.settings.model.AbstractStringSetting
 
 class StringSingleChoiceSetting(
-    setting: AbstractSetting?,
+    private val stringSetting: AbstractStringSetting,
     titleId: Int,
     descriptionId: Int,
     val choices: Array<String>,
-    val values: Array<String>?,
+    val values: Array<String>
-    val key: String? = null,
+) : SettingsItem(stringSetting, titleId, descriptionId) {
-    private val defaultValue: String? = null
-) : SettingsItem(setting, titleId, descriptionId) {
     override val type = TYPE_STRING_SINGLE_CHOICE
 
-    fun getValueAt(index: Int): String? {
+    fun getValueAt(index: Int): String =
-        if (values == null) return null
+        if (index >= 0 && index < values.size) values[index] else ""
-        return if (index >= 0 && index < values.size) {
+
-            values[index]
+    var selectedValue: String
-        } else {
+        get() = stringSetting.string
-            ""
+        set(value) = stringSetting.setString(value)
-        }
-    }
 
-    val selectedValue: String
-        get() = if (setting != null) {
-            val setting = setting as AbstractStringSetting
-            setting.string
-        } else {
-            defaultValue!!
-        }
     val selectValueIndex: Int
         get() {
-            val selectedValue = selectedValue
+            for (i in values.indices) {
-            for (i in values!!.indices) {
                 if (values[i] == selectedValue) {
                     return i
                 }
             }
             return -1
         }
-
-    /**
-     * Write a value to the backing int. If that int was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param selection New value of the int.
-     * @return the existing setting with the new value applied.
-     */
-    fun setSelectedValue(selection: String): AbstractStringSetting {
-        val stringSetting = setting as AbstractStringSetting
-        stringSetting.setString(selection)
-        return stringSetting
-    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SubmenuSetting.kt

@@ -7,6 +7,6 @@ class SubmenuSetting(
     titleId: Int,
     descriptionId: Int,
     val menuKey: String
-) : SettingsItem(null, titleId, descriptionId) {
+) : SettingsItem(emptySetting, titleId, descriptionId) {
     override val type = TYPE_SUBMENU
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SwitchSetting.kt

@@ -10,53 +10,22 @@ import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 class SwitchSetting(
     setting: AbstractSetting,
     titleId: Int,
-    descriptionId: Int,
+    descriptionId: Int
-    val key: String? = null,
-    val defaultValue: Any? = null
 ) : SettingsItem(setting, titleId, descriptionId) {
     override val type = TYPE_SWITCH
 
-    val isChecked: Boolean
+    var checked: Boolean
         get() {
-            if (setting == null) {
+            return when (setting) {
-                return defaultValue as Boolean
+                is AbstractIntSetting -> setting.int == 1
+                is AbstractBooleanSetting -> setting.boolean
+                else -> false
             }
-
-            // Try integer setting
-            try {
-                val setting = setting as AbstractIntSetting
-                return setting.int == 1
-            } catch (_: ClassCastException) {
         }
-
+        set(value) {
-            // Try boolean setting
+            when (setting) {
-            try {
+                is AbstractIntSetting -> setting.setInt(if (value) 1 else 0)
-                val setting = setting as AbstractBooleanSetting
+                is AbstractBooleanSetting -> setting.setBoolean(value)
-                return setting.boolean
-            } catch (_: ClassCastException) {
             }
-            return defaultValue as Boolean
-        }
-
-    /**
-     * Write a value to the backing boolean. If that boolean was previously null,
-     * initializes a new one and returns it, so it can be added to the Hashmap.
-     *
-     * @param checked Pretty self explanatory.
-     * @return the existing setting with the new value applied.
-     */
-    fun setChecked(checked: Boolean): AbstractSetting {
-        // Try integer setting
-        try {
-            val setting = setting as AbstractIntSetting
-            setting.setInt(if (checked) 1 else 0)
-            return setting
-        } catch (_: ClassCastException) {
-        }
-
-        // Try boolean setting
-        val setting = setting as AbstractBooleanSetting
-        setting.setBoolean(checked)
-        return setting
         }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsAdapter.kt

@@ -113,7 +113,7 @@ class SettingsAdapter(
     }
 
     fun onBooleanClick(item: SwitchSetting, position: Int, checked: Boolean) {
-        item.setChecked(checked)
+        item.checked = checked
         fragmentView.onSettingChanged()
     }
 
@@ -183,7 +183,7 @@ class SettingsAdapter(
             if (item.value != epochTime) {
                 fragmentView.onSettingChanged()
                 notifyItemChanged(clickedPosition)
-                item.setSelectedValue(epochTime)
+                item.value = epochTime
             }
             clickedItem = null
         }
@@ -244,7 +244,7 @@ class SettingsAdapter(
                 }
 
                 // Get the backing Setting, which may be null (if for example it was missing from the file)
-                scSetting.setSelectedValue(value)
+                scSetting.selectedValue = value
                 closeDialog()
             }
 
@@ -252,7 +252,7 @@ class SettingsAdapter(
                 val scSetting = clickedItem as StringSingleChoiceSetting
                 val value = scSetting.getValueAt(which)
                 if (scSetting.selectedValue != value) fragmentView.onSettingChanged()
-                scSetting.setSelectedValue(value!!)
+                scSetting.selectedValue = value!!
                 closeDialog()
             }
 
@@ -264,21 +264,21 @@ class SettingsAdapter(
                 when (sliderSetting.setting) {
                     is ByteSetting -> {
                         val value = sliderProgress.toByte()
-                        sliderSetting.setSelectedValue(value)
+                        sliderSetting.selectedValue = value.toInt()
                     }
 
                     is ShortSetting -> {
                         val value = sliderProgress.toShort()
-                        sliderSetting.setSelectedValue(value)
+                        sliderSetting.selectedValue = value.toInt()
                     }
 
                     is FloatSetting -> {
                         val value = sliderProgress.toFloat()
-                        sliderSetting.setSelectedValue(value)
+                        sliderSetting.selectedValue = value.toInt()
                     }
 
                     else -> {
-                        sliderSetting.setSelectedValue(sliderProgress)
+                        sliderSetting.selectedValue = sliderProgress
                     }
                 }
                 closeDialog()

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -75,47 +75,13 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
     private fun addConfigSettings(sl: ArrayList<SettingsItem>) {
         settingsActivity.setToolbarTitle(settingsActivity.getString(R.string.advanced_settings))
         sl.apply {
+            add(SubmenuSetting(R.string.preferences_general, 0, Settings.SECTION_GENERAL))
+            add(SubmenuSetting(R.string.preferences_system, 0, Settings.SECTION_SYSTEM))
+            add(SubmenuSetting(R.string.preferences_graphics, 0, Settings.SECTION_RENDERER))
+            add(SubmenuSetting(R.string.preferences_audio, 0, Settings.SECTION_AUDIO))
+            add(SubmenuSetting(R.string.preferences_debug, 0, Settings.SECTION_DEBUG))
             add(
-                SubmenuSetting(
+                RunnableSetting(R.string.reset_to_default, 0, false) {
-                    R.string.preferences_general,
-                    0,
-                    Settings.SECTION_GENERAL
-                )
-            )
-            add(
-                SubmenuSetting(
-                    R.string.preferences_system,
-                    0,
-                    Settings.SECTION_SYSTEM
-                )
-            )
-            add(
-                SubmenuSetting(
-                    R.string.preferences_graphics,
-                    0,
-                    Settings.SECTION_RENDERER
-                )
-            )
-            add(
-                SubmenuSetting(
-                    R.string.preferences_audio,
-                    0,
-                    Settings.SECTION_AUDIO
-                )
-            )
-            add(
-                SubmenuSetting(
-                    R.string.preferences_debug,
-                    0,
-                    Settings.SECTION_DEBUG
-                )
-            )
-            add(
-                RunnableSetting(
-                    R.string.reset_to_default,
-                    0,
-                    false
-                ) {
                     ResetSettingsDialogFragment().show(
                         settingsActivity.supportFragmentManager,
                         ResetSettingsDialogFragment.TAG
@@ -132,9 +98,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 SwitchSetting(
                     BooleanSetting.RENDERER_USE_SPEED_LIMIT,
                     R.string.frame_limit_enable,
-                    R.string.frame_limit_enable_description,
+                    R.string.frame_limit_enable_description
-                    BooleanSetting.RENDERER_USE_SPEED_LIMIT.key,
-                    BooleanSetting.RENDERER_USE_SPEED_LIMIT.defaultValue
                 )
             )
             add(
@@ -144,9 +108,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.frame_limit_slider_description,
                     1,
                     200,
-                    "%",
+                    "%"
-                    ShortSetting.RENDERER_SPEED_LIMIT.key,
-                    ShortSetting.RENDERER_SPEED_LIMIT.defaultValue
                 )
             )
             add(
@@ -155,18 +117,14 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.cpu_accuracy,
                     0,
                     R.array.cpuAccuracyNames,
-                    R.array.cpuAccuracyValues,
+                    R.array.cpuAccuracyValues
-                    IntSetting.CPU_ACCURACY.key,
-                    IntSetting.CPU_ACCURACY.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.PICTURE_IN_PICTURE,
                     R.string.picture_in_picture,
-                    R.string.picture_in_picture_description,
+                    R.string.picture_in_picture_description
-                    BooleanSetting.PICTURE_IN_PICTURE.key,
-                    BooleanSetting.PICTURE_IN_PICTURE.defaultValue
                 )
             )
         }
@@ -179,9 +137,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 SwitchSetting(
                     BooleanSetting.USE_DOCKED_MODE,
                     R.string.use_docked_mode,
-                    R.string.use_docked_mode_description,
+                    R.string.use_docked_mode_description
-                    BooleanSetting.USE_DOCKED_MODE.key,
-                    BooleanSetting.USE_DOCKED_MODE.defaultValue
                 )
             )
             add(
@@ -190,9 +146,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.emulated_region,
                     0,
                     R.array.regionNames,
-                    R.array.regionValues,
+                    R.array.regionValues
-                    IntSetting.REGION_INDEX.key,
-                    IntSetting.REGION_INDEX.defaultValue
                 )
             )
             add(
@@ -201,29 +155,17 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.emulated_language,
                     0,
                     R.array.languageNames,
-                    R.array.languageValues,
+                    R.array.languageValues
-                    IntSetting.LANGUAGE_INDEX.key,
-                    IntSetting.LANGUAGE_INDEX.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.USE_CUSTOM_RTC,
                     R.string.use_custom_rtc,
-                    R.string.use_custom_rtc_description,
+                    R.string.use_custom_rtc_description
-                    BooleanSetting.USE_CUSTOM_RTC.key,
-                    BooleanSetting.USE_CUSTOM_RTC.defaultValue
-                )
-            )
-            add(
-                DateTimeSetting(
-                    LongSetting.CUSTOM_RTC,
-                    R.string.set_custom_rtc,
-                    0,
-                    LongSetting.CUSTOM_RTC.key,
-                    LongSetting.CUSTOM_RTC.defaultValue
                 )
             )
+            add(DateTimeSetting(LongSetting.CUSTOM_RTC, R.string.set_custom_rtc, 0))
         }
     }
 
@@ -236,9 +178,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_accuracy,
                     0,
                     R.array.rendererAccuracyNames,
-                    R.array.rendererAccuracyValues,
+                    R.array.rendererAccuracyValues
-                    IntSetting.RENDERER_ACCURACY.key,
-                    IntSetting.RENDERER_ACCURACY.defaultValue
                 )
             )
             add(
@@ -247,9 +187,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_resolution,
                     0,
                     R.array.rendererResolutionNames,
-                    R.array.rendererResolutionValues,
+                    R.array.rendererResolutionValues
-                    IntSetting.RENDERER_RESOLUTION.key,
-                    IntSetting.RENDERER_RESOLUTION.defaultValue
                 )
             )
             add(
@@ -258,9 +196,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_vsync,
                     0,
                     R.array.rendererVSyncNames,
-                    R.array.rendererVSyncValues,
+                    R.array.rendererVSyncValues
-                    IntSetting.RENDERER_VSYNC.key,
-                    IntSetting.RENDERER_VSYNC.defaultValue
                 )
             )
             add(
@@ -269,9 +205,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_scaling_filter,
                     0,
                     R.array.rendererScalingFilterNames,
-                    R.array.rendererScalingFilterValues,
+                    R.array.rendererScalingFilterValues
-                    IntSetting.RENDERER_SCALING_FILTER.key,
-                    IntSetting.RENDERER_SCALING_FILTER.defaultValue
                 )
             )
             add(
@@ -280,9 +214,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_anti_aliasing,
                     0,
                     R.array.rendererAntiAliasingNames,
-                    R.array.rendererAntiAliasingValues,
+                    R.array.rendererAntiAliasingValues
-                    IntSetting.RENDERER_ANTI_ALIASING.key,
-                    IntSetting.RENDERER_ANTI_ALIASING.defaultValue
                 )
             )
             add(
@@ -291,9 +223,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_screen_layout,
                     0,
                     R.array.rendererScreenLayoutNames,
-                    R.array.rendererScreenLayoutValues,
+                    R.array.rendererScreenLayoutValues
-                    IntSetting.RENDERER_SCREEN_LAYOUT.key,
-                    IntSetting.RENDERER_SCREEN_LAYOUT.defaultValue
                 )
             )
             add(
@@ -302,45 +232,35 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_aspect_ratio,
                     0,
                     R.array.rendererAspectRatioNames,
-                    R.array.rendererAspectRatioValues,
+                    R.array.rendererAspectRatioValues
-                    IntSetting.RENDERER_ASPECT_RATIO.key,
-                    IntSetting.RENDERER_ASPECT_RATIO.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.RENDERER_USE_DISK_SHADER_CACHE,
                     R.string.use_disk_shader_cache,
-                    R.string.use_disk_shader_cache_description,
+                    R.string.use_disk_shader_cache_description
-                    BooleanSetting.RENDERER_USE_DISK_SHADER_CACHE.key,
-                    BooleanSetting.RENDERER_USE_DISK_SHADER_CACHE.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.RENDERER_FORCE_MAX_CLOCK,
                     R.string.renderer_force_max_clock,
-                    R.string.renderer_force_max_clock_description,
+                    R.string.renderer_force_max_clock_description
-                    BooleanSetting.RENDERER_FORCE_MAX_CLOCK.key,
-                    BooleanSetting.RENDERER_FORCE_MAX_CLOCK.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS,
                     R.string.renderer_asynchronous_shaders,
-                    R.string.renderer_asynchronous_shaders_description,
+                    R.string.renderer_asynchronous_shaders_description
-                    BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS.key,
-                    BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.RENDERER_REACTIVE_FLUSHING,
                     R.string.renderer_reactive_flushing,
-                    R.string.renderer_reactive_flushing_description,
+                    R.string.renderer_reactive_flushing_description
-                    BooleanSetting.RENDERER_REACTIVE_FLUSHING.key,
-                    BooleanSetting.RENDERER_REACTIVE_FLUSHING.defaultValue
                 )
             )
         }
@@ -355,9 +275,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.audio_output_engine,
                     0,
                     R.array.outputEngineEntries,
-                    R.array.outputEngineValues,
+                    R.array.outputEngineValues
-                    IntSetting.AUDIO_OUTPUT_ENGINE.key,
-                    IntSetting.AUDIO_OUTPUT_ENGINE.defaultValue
                 )
             )
             add(
@@ -367,9 +285,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.audio_volume_description,
                     0,
                     100,
-                    "%",
+                    "%"
-                    ByteSetting.AUDIO_VOLUME.key,
-                    ByteSetting.AUDIO_VOLUME.defaultValue
                 )
             )
         }
@@ -392,7 +308,12 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val key: String? = null
                 override val category = Settings.Category.UiGeneral
                 override val isRuntimeModifiable: Boolean = false
-                override val defaultValue: Any = 0
+                override val defaultValue: Int = 0
+                override fun reset() {
+                    preferences.edit()
+                        .putInt(Settings.PREF_THEME, defaultValue)
+                        .apply()
+                }
             }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
@@ -431,7 +352,12 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val key: String? = null
                 override val category = Settings.Category.UiGeneral
                 override val isRuntimeModifiable: Boolean = false
-                override val defaultValue: Any = -1
+                override val defaultValue: Int = -1
+                override fun reset() {
+                    preferences.edit()
+                        .putInt(Settings.PREF_BLACK_BACKGROUNDS, defaultValue)
+                        .apply()
+                }
             }
 
             add(
@@ -458,7 +384,12 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val key: String? = null
                 override val category = Settings.Category.UiGeneral
                 override val isRuntimeModifiable: Boolean = false
-                override val defaultValue: Any = false
+                override val defaultValue: Boolean = false
+                override fun reset() {
+                    preferences.edit()
+                        .putBoolean(Settings.PREF_BLACK_BACKGROUNDS, defaultValue)
+                        .apply()
+                }
             }
 
             add(
@@ -481,18 +412,14 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     R.string.renderer_api,
                     0,
                     R.array.rendererApiNames,
-                    R.array.rendererApiValues,
+                    R.array.rendererApiValues
-                    IntSetting.RENDERER_BACKEND.key,
-                    IntSetting.RENDERER_BACKEND.defaultValue
                 )
             )
             add(
                 SwitchSetting(
                     BooleanSetting.RENDERER_DEBUG,
                     R.string.renderer_debug,
-                    R.string.renderer_debug_description,
+                    R.string.renderer_debug_description
-                    BooleanSetting.RENDERER_DEBUG.key,
-                    BooleanSetting.RENDERER_DEBUG.defaultValue
                 )
             )
 
@@ -501,9 +428,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 SwitchSetting(
                     BooleanSetting.CPU_DEBUG_MODE,
                     R.string.cpu_debug_mode,
-                    R.string.cpu_debug_mode_description,
+                    R.string.cpu_debug_mode_description
-                    BooleanSetting.CPU_DEBUG_MODE.key,
-                    BooleanSetting.CPU_DEBUG_MODE.defaultValue
                 )
             )
 
@@ -520,15 +445,10 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val key: String? = null
                 override val category = Settings.Category.Cpu
                 override val isRuntimeModifiable: Boolean = false
-                override val defaultValue: Any = true
+                override val defaultValue: Boolean = true
+                override fun reset() = setBoolean(defaultValue)
             }
-            add(
+            add(SwitchSetting(fastmem, R.string.fastmem, 0))
-                SwitchSetting(
-                    fastmem,
-                    R.string.fastmem,
-                    0
-                )
-            )
         }
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/DateTimeViewHolder.kt

@@ -46,7 +46,7 @@ class DateTimeViewHolder(val binding: ListItemSettingBinding, adapter: SettingsA
 
     override fun onLongClick(clicked: View): Boolean {
         if (setting.isEditable) {
-            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+            return adapter.onLongClick(setting.setting, bindingAdapterPosition)
         }
         return false
     }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SingleChoiceViewHolder.kt

@@ -35,7 +35,7 @@ class SingleChoiceViewHolder(val binding: ListItemSettingBinding, adapter: Setti
                 }
             }
         } else if (item is StringSingleChoiceSetting) {
-            for (i in item.values!!.indices) {
+            for (i in item.values.indices) {
                 if (item.values[i] == item.selectedValue) {
                     binding.textSettingValue.text = item.choices[i]
                     break
@@ -66,7 +66,7 @@ class SingleChoiceViewHolder(val binding: ListItemSettingBinding, adapter: Setti
 
     override fun onLongClick(clicked: View): Boolean {
         if (setting.isEditable) {
-            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+            return adapter.onLongClick(setting.setting, bindingAdapterPosition)
         }
         return false
     }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SliderViewHolder.kt

@@ -41,7 +41,7 @@ class SliderViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAda
 
     override fun onLongClick(clicked: View): Boolean {
         if (setting.isEditable) {
-            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+            return adapter.onLongClick(setting.setting, bindingAdapterPosition)
         }
         return false
     }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SwitchSettingViewHolder.kt

@@ -28,7 +28,7 @@ class SwitchSettingViewHolder(val binding: ListItemSettingSwitchBinding, adapter
         binding.switchWidget.setOnCheckedChangeListener { _: CompoundButton, _: Boolean ->
             adapter.onBooleanClick(item, bindingAdapterPosition, binding.switchWidget.isChecked)
         }
-        binding.switchWidget.isChecked = setting.isChecked
+        binding.switchWidget.isChecked = setting.checked
 
         setStyle(setting.isEditable, binding)
     }