Subscribe reading mode and orientation type changes

app/src/main/java/eu/kanade/tachiyomi/core/preference/AndroidPreference.kt

@@ -32,6 +32,7 @@ sealed class AndroidPreference<T>(
         return read(preferences, key, defaultValue)
     }
 
+    // Async, don't call get() immediately after this
     override fun set(value: T) {
         preferences.edit(action = write(key, value))
     }

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

@@ -731,9 +731,7 @@ class ReaderActivity : EhActivity() {
                     selectedItemId = ReaderPreferences.defaultReadingMode().get(),
                 ) {
                     val newReadingMode = ReadingModeType.fromPreference(itemId)
-
                     ReaderPreferences.defaultReadingMode().set(newReadingMode.flagValue)
-                    setGallery()
                 }
             }
         }
@@ -748,9 +746,7 @@ class ReaderActivity : EhActivity() {
                     selectedItemId = ReaderPreferences.defaultOrientationType().get(),
                 ) {
                     val newOrientation = OrientationType.fromPreference(itemId)
-
                     ReaderPreferences.defaultOrientationType().set(newOrientation.flagValue)
-                    setGallery()
                 }
             }
         }
@@ -908,6 +904,14 @@ class ReaderActivity : EhActivity() {
          * Initializes the reader subscriptions.
          */
         init {
+            ReaderPreferences.defaultReadingMode().changes()
+                .onEach { setGallery() }
+                .launchIn(lifecycleScope)
+
+            ReaderPreferences.defaultOrientationType().changes()
+                .onEach { setGallery() }
+                .launchIn(lifecycleScope)
+
             ReaderPreferences.readerTheme().changes()
                 .onEach { theme ->
                     binding.readerContainer.setBackgroundResource(

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

@@ -48,7 +48,6 @@ class ReaderReadingModeSettings @JvmOverloads constructor(
         binding.viewer.onItemSelectedListener = { position ->
             val readingModeType = ReadingModeType.fromSpinner(position)
             ReaderPreferences.defaultReadingMode().set(readingModeType.flagValue)
-            (context as ReaderActivity).setGallery()
 
             val mangaViewer = ReaderPreferences.defaultReadingMode().get()
             if (mangaViewer == ReadingModeType.WEBTOON.flagValue || mangaViewer == ReadingModeType.CONTINUOUS_VERTICAL.flagValue) {
@@ -65,7 +64,6 @@ class ReaderReadingModeSettings @JvmOverloads constructor(
         binding.rotationMode.onItemSelectedListener = { position ->
             val rotationType = OrientationType.fromSpinner(position)
             readerPreferences.defaultOrientationType().set(rotationType.flagValue)
-            (context as ReaderActivity).setGallery()
         }
         binding.rotationMode.setSelection(
             ReaderPreferences.defaultOrientationType().get()