Various bug fixes.

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -143,6 +143,10 @@ class MainActivity : BaseActivity() {
                 nav_view.post { recreate() }
             } else if (resultCode and SettingsActivity.FLAG_LANG_CHANGED != 0) {
                 nav_view.post { recreate() }
+            } else if (resultCode and SettingsActivity.FLAG_EH_RECREATE != 0) {
+                TaskStackBuilder.create(this)
+                        .addNextIntent(Intent(this, MainActivity::class.java))
+                        .startActivities()
             }
         } else {
             super.onActivityResult(requestCode, resultCode, data)

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

@@ -80,6 +80,7 @@ class SettingsActivity : BaseActivity(),
         const val FLAG_THEME_CHANGED = 0x1
         const val FLAG_DATABASE_CLEARED = 0x2
         const val FLAG_LANG_CHANGED = 0x4
+        const val FLAG_EH_RECREATE = 0x8
     }
 
 }

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

@@ -35,6 +35,10 @@ class SettingsEhFragment : SettingsFragment() {
         findPreference("ex_migrate_library") as Preference
     }
 
+    val useJpTitlePref by lazy {
+        findPreference("use_jp_title") as SwitchPreference
+    }
+
     override fun onViewCreated(view: View, savedState: Bundle?) {
         super.onViewCreated(view, savedState)
 
@@ -46,6 +50,7 @@ class SettingsEhFragment : SettingsFragment() {
 
         enableExhentaiPref.setOnPreferenceChangeListener { preference, newVal ->
             newVal as Boolean
+            (activity as SettingsActivity).parentFlags = SettingsActivity.FLAG_EH_RECREATE
             if(!newVal) {
                 preferences.enableExhentai().set(false)
                 true
@@ -59,5 +64,10 @@ class SettingsEhFragment : SettingsFragment() {
             MetadataFetchDialog().askMigration(activity)
             true
         }
+
+        useJpTitlePref.setOnPreferenceChangeListener { preference, any ->
+            (activity as SettingsActivity).parentFlags = SettingsActivity.FLAG_EH_RECREATE
+            true
+        }
     }
 }

app/src/main/java/exh/metadata/MetdataCopier.kt

@@ -1,10 +1,13 @@
 package exh.metadata
 
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.util.UrlUtil
 import exh.metadata.models.ExGalleryMetadata
 import exh.metadata.models.Tag
 import exh.plusAssign
+import uy.kohesive.injekt.injectLazy
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -23,6 +26,8 @@ private val ONGOING_SUFFIX = arrayOf(
 
 val EX_DATE_FORMAT = SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.US)
 
+private val prefs: PreferencesHelper by injectLazy()
+
 fun ExGalleryMetadata.copyTo(manga: Manga) {
     exh?.let {
         manga.source = if(it)
@@ -32,7 +37,12 @@ fun ExGalleryMetadata.copyTo(manga: Manga) {
     }
     url?.let { manga.url = it }
     thumbnailUrl?.let { manga.thumbnail_url = it }
-    title?.let { manga.title = it }
+
+    val titleObj = if(prefs.useJapaneseTitle().getOrDefault())
+        altTitle ?: title
+    else
+        title
+    titleObj?.let { manga.title = it }
 
     //Set artist (if we can find one)
     tags[ARTIST_NAMESPACE]?.let {