Move deck layout mode to experimental features

Fixes #5563

Around 30 minutes of work.

lawnchair/res/values/strings.xml

@@ -184,6 +184,9 @@
     <string name="icon_swipe_gestures">Icon swipe gestures</string>
     <string name="icon_swipe_gestures_description">Perform actions when swiping left or right on icons instead of moving the home screen</string>
 
+    <string name="show_deck_layout">Deck layout</string>
+    <string name="show_deck_layout_description">Show a layout option to hide the app drawer and automatically add new apps to the home screen</string>
+
     <string name="recents_lock_unlock">Lock/unlock</string>
     <string name="recents_lock_unlock_description">Prevent selected app from closing when pressing \"Clear all\"</string>
 

lawnchair/src/app/lawnchair/preferences2/PreferenceManager2.kt

@@ -679,6 +679,11 @@ class PreferenceManager2 private constructor(private val context: Context) :
         onSet = { reloadHelper.reloadIcons() },
     )
 
+    val showDeckLayout = preference(
+        key = booleanPreferencesKey(name = "show_deck_layout"),
+        defaultValue = false,
+    )
+
     val enableLabelInDock = preference(
         key = booleanPreferencesKey(name = "enable_label_dock"),
         defaultValue = false,

lawnchair/src/app/lawnchair/ui/preferences/destinations/ExperimentalFeaturesPreferences.kt

@@ -51,6 +51,11 @@ fun ExperimentalFeaturesPreferences(
                 label = stringResource(R.string.icon_swipe_gestures),
                 description = stringResource(R.string.icon_swipe_gestures_description),
             )
+            SwitchPreference(
+                adapter = prefs2.showDeckLayout.getAdapter(),
+                label = stringResource(R.string.show_deck_layout),
+                description = stringResource(R.string.show_deck_layout_description),
+            )
 
             val enableWallpaperBlur = prefs.enableWallpaperBlur.getAdapter()
 

lawnchair/src/app/lawnchair/ui/preferences/destinations/HomeScreenPreferences.kt

@@ -67,8 +67,11 @@ fun HomeScreenPreferences(
         modifier = modifier,
     ) {
         val lockHomeScreenAdapter = prefs2.lockHomeScreen.getAdapter()
+        val showDeckLayout = prefs2.showDeckLayout.getAdapter().state.value
 
-        HomeLayoutSettings()
+        if (showDeckLayout) {
+            HomeLayoutSettings()
+        }
 
         PreferenceGroup(heading = stringResource(id = R.string.general_label)) {
             val addIconToHomeAdapter = prefs.addIconToHome.getAdapter()