Not good solution :(

app/src/main/java/com/hippo/ehviewer/client/data/GalleryDetail.kt

@@ -15,12 +15,13 @@
  */
 package com.hippo.ehviewer.client.data
 
+import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 
-// @Parcelize
-class GalleryDetail(
-    // @JvmField
-    // val galleryInfo: GalleryInfo,
+@Parcelize
+class GalleryDetail @JvmOverloads constructor(
+    @JvmField
+    val galleryInfo: GalleryInfoImpl,
 
     @JvmField
     var apiUid: Long = -1L,
@@ -41,7 +42,7 @@ class GalleryDetail(
     var parent: String? = null,
 
     @JvmField
-    var newerVersions: ArrayList<GalleryInfo> = ArrayList(),
+    var newerVersions: ArrayList<Parcelable> = ArrayList(),
 
     @JvmField
     var visible: String? = null,
@@ -72,8 +73,4 @@ class GalleryDetail(
 
     @JvmField
     var previewSet: PreviewSet? = null,
-) : GalleryInfoImpl()
-// ) : GalleryInfo by galleryInfo
-
-// Delegating 'Parcelable' is not allowed
-// Fuck you Jetbrains!
+) : GalleryInfo by galleryInfo, Parcelable

app/src/main/java/com/hippo/ehviewer/client/data/GalleryInfo.kt

@@ -15,10 +15,9 @@
  */
 package com.hippo.ehviewer.client.data
 
-import android.os.Parcelable
 import java.util.regex.Pattern
 
-interface GalleryInfo : Parcelable {
+interface GalleryInfo {
     var gid: Long
     var token: String?
     var title: String?

app/src/main/java/com/hippo/ehviewer/client/data/GalleryInfoImpl.kt

@@ -15,13 +15,14 @@
  */
 package com.hippo.ehviewer.client.data
 
+import android.os.Parcelable
 import androidx.room.ColumnInfo
 import androidx.room.Ignore
 import androidx.room.PrimaryKey
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
-open class GalleryInfoImpl(
+open class GalleryInfoImpl @JvmOverloads constructor(
     @PrimaryKey
     @ColumnInfo(name = "GID")
     override var gid: Long = 0,
@@ -86,4 +87,4 @@ open class GalleryInfoImpl(
     @Ignore
     override var favoriteName: String? = null
 
-) : GalleryInfo
+) : GalleryInfo, Parcelable

app/src/main/java/com/hippo/ehviewer/client/parser/GalleryDetailParser.java

@@ -16,6 +16,8 @@
 
 package com.hippo.ehviewer.client.parser;
 
+import android.os.Parcelable;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
@@ -114,7 +116,7 @@ public class GalleryDetailParser {
             throw new EhException(m.group(1));
         }
 
-        GalleryDetail galleryDetail = new GalleryDetail();
+        GalleryDetail galleryDetail = new GalleryDetail(new GalleryInfoImpl());
         Document document = Jsoup.parse(body);
         parseDetail(galleryDetail, document, body);
         galleryDetail.tags = parseTagGroups(document);
@@ -297,7 +299,7 @@ public class GalleryDetailParser {
                         gi.setToken(result.token);
                         gi.setTitle(StringUtils.trim(element.text()));
                         gi.setPosted(dates.get(i));
-                        gd.newerVersions.add(gi);
+                        gd.newerVersions.add((Parcelable) gi);
                     }
                 }
             }

app/src/main/java/com/hippo/ehviewer/download/DownloadService.kt

@@ -22,6 +22,7 @@ import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Bundle
 import android.os.IBinder
+import android.os.Parcelable
 import android.os.SystemClock
 import android.util.Log
 import androidx.annotation.IntDef
@@ -100,7 +101,8 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
             action = intent.action
         }
         if (ACTION_START == action) {
-            val gi = intent!!.getParcelableExtra<GalleryInfo>(KEY_GALLERY_INFO)
+            val gi = intent!!.getParcelableExtra<Parcelable>(KEY_GALLERY_INFO)
+            check(gi is GalleryInfo)
             val label = intent.getStringExtra(KEY_LABEL)
             if (gi != null && mDownloadManager != null) {
                 mDownloadManager!!.startDownload(gi, label)

app/src/main/java/com/hippo/ehviewer/ui/CommonOperations.java

@@ -19,6 +19,7 @@ package com.hippo.ehviewer.ui;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Build;
+import android.os.Parcelable;
 
 import androidx.core.content.ContextCompat;
 
@@ -163,7 +164,7 @@ public final class CommonOperations {
                 Intent intent = new Intent(activity, DownloadService.class);
                 intent.setAction(DownloadService.ACTION_START);
                 intent.putExtra(DownloadService.KEY_LABEL, label);
-                intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi);
+                intent.putExtra(DownloadService.KEY_GALLERY_INFO, (Parcelable) gi);
                 ContextCompat.startForegroundService(activity, intent);
             }
             // Notify
@@ -193,7 +194,7 @@ public final class CommonOperations {
                             Intent intent = new Intent(activity, DownloadService.class);
                             intent.setAction(DownloadService.ACTION_START);
                             intent.putExtra(DownloadService.KEY_LABEL, label1);
-                            intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi);
+                            intent.putExtra(DownloadService.KEY_GALLERY_INFO, (Parcelable) gi);
                             ContextCompat.startForegroundService(activity, intent);
                         }
                         // Save settings

app/src/main/java/com/hippo/ehviewer/ui/scene/FavoritesScene.java

@@ -22,6 +22,7 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.res.Resources;
 import android.os.Bundle;
+import android.os.Parcelable;
 import android.text.TextUtils;
 import android.util.SparseBooleanArray;
 import android.view.LayoutInflater;
@@ -459,7 +460,7 @@ public class FavoritesScene extends SearchBarScene implements
                 }
                 Bundle args = new Bundle();
                 args.putString(GalleryDetailScene.KEY_ACTION, GalleryDetailScene.ACTION_GALLERY_INFO);
-                args.putParcelable(GalleryDetailScene.KEY_GALLERY_INFO, gi);
+                args.putParcelable(GalleryDetailScene.KEY_GALLERY_INFO, (Parcelable) gi);
                 Announcer announcer = new Announcer(GalleryDetailScene.class).setArgs(args);
                 startScene(announcer);
             }

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java

@@ -35,6 +35,7 @@ import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
+import android.os.Parcelable;
 import android.text.Html;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
@@ -448,7 +449,7 @@ public class GalleryDetailScene extends CollapsingToolbarScene implements View.O
             outState.putString(KEY_ACTION, mAction);
         }
         if (mGalleryInfo != null) {
-            outState.putParcelable(KEY_GALLERY_INFO, mGalleryInfo);
+            outState.putParcelable(KEY_GALLERY_INFO, (Parcelable) mGalleryInfo);
         }
         outState.putLong(KEY_GID, mGid);
         if (mToken != null) {
@@ -1104,18 +1105,19 @@ public class GalleryDetailScene extends CollapsingToolbarScene implements View.O
             if (galleryInfo != null) {
                 Intent intent = new Intent(activity, ReaderActivity.class);
                 intent.setAction(ReaderActivity.ACTION_EH);
-                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, galleryInfo);
+                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, (Parcelable) galleryInfo);
                 startActivity(intent);
             }
         } else if (mNewerVersion == v) {
             if (mGalleryDetail != null) {
                 ArrayList<CharSequence> titles = new ArrayList<>();
-                for (GalleryInfo newerVersion : mGalleryDetail.newerVersions) {
-                    titles.add(getString(R.string.newer_version_title, newerVersion.getTitle(), newerVersion.getPosted()));
+                for (Parcelable newerVersion : mGalleryDetail.newerVersions) {
+                    var gi = (GalleryInfo) newerVersion;
+                    titles.add(getString(R.string.newer_version_title, gi.getTitle(), gi.getPosted()));
                 }
                 new BaseDialogBuilder(requireContext())
                         .setItems(titles.toArray(new CharSequence[0]), (dialog, which) -> {
-                            GalleryInfo newerVersion = mGalleryDetail.newerVersions.get(which);
+                            GalleryInfo newerVersion = (GalleryInfo) mGalleryDetail.newerVersions.get(which);
                             Bundle args = new Bundle();
                             args.putString(GalleryDetailScene.KEY_ACTION, GalleryDetailScene.ACTION_GID_TOKEN);
                             args.putLong(GalleryDetailScene.KEY_GID, newerVersion.getGid());
@@ -1238,7 +1240,7 @@ public class GalleryDetailScene extends CollapsingToolbarScene implements View.O
                 int index = (Integer) o;
                 Intent intent = new Intent(context, ReaderActivity.class);
                 intent.setAction(ReaderActivity.ACTION_EH);
-                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, galleryInfo);
+                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, (Parcelable) galleryInfo);
                 intent.putExtra(ReaderActivity.KEY_PAGE, index);
                 startActivity(intent);
             }

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java

@@ -24,6 +24,7 @@ import android.content.Intent;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.Parcelable;
 import android.text.InputType;
 import android.text.Spannable;
 import android.text.SpannableStringBuilder;
@@ -793,7 +794,7 @@ public final class GalleryListScene extends SearchBarScene
 
         Bundle args = new Bundle();
         args.putString(GalleryDetailScene.KEY_ACTION, GalleryDetailScene.ACTION_GALLERY_INFO);
-        args.putParcelable(GalleryDetailScene.KEY_GALLERY_INFO, gi);
+        args.putParcelable(GalleryDetailScene.KEY_GALLERY_INFO, (Parcelable) gi);
         Announcer announcer = new Announcer(GalleryDetailScene.class).setArgs(args);
         startScene(announcer);
     }
@@ -965,7 +966,7 @@ public final class GalleryListScene extends SearchBarScene
                         case 0: // Read
                             Intent intent = new Intent(activity, ReaderActivity.class);
                             intent.setAction(ReaderActivity.ACTION_EH);
-                            intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, gi);
+                            intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, (Parcelable) gi);
                             startActivity(intent);
                             break;
                         case 1: // Download

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryPreviewsScene.java

@@ -22,6 +22,7 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Parcelable;
 import android.util.Pair;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
@@ -123,7 +124,7 @@ public class GalleryPreviewsScene extends BaseToolbarScene {
             hasFirstRefresh = mHasFirstRefresh;
         }
         outState.putBoolean(KEY_HAS_FIRST_REFRESH, hasFirstRefresh);
-        outState.putParcelable(KEY_GALLERY_INFO, mGalleryInfo);
+        outState.putParcelable(KEY_GALLERY_INFO, (Parcelable) mGalleryInfo);
     }
 
     @NonNull
@@ -224,7 +225,7 @@ public class GalleryPreviewsScene extends BaseToolbarScene {
             if (p != null) {
                 Intent intent = new Intent(context, ReaderActivity.class);
                 intent.setAction(ReaderActivity.ACTION_EH);
-                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, mGalleryInfo);
+                intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, (Parcelable) mGalleryInfo);
                 intent.putExtra(ReaderActivity.KEY_PAGE, p.position);
                 startActivity(intent);
             }

app/src/main/java/com/hippo/ehviewer/ui/scene/HistoryScene.kt

@@ -20,6 +20,7 @@ import android.content.Context
 import android.content.DialogInterface
 import android.content.Intent
 import android.os.Bundle
+import android.os.Parcelable
 import android.text.TextUtils
 import android.view.*
 import android.widget.ImageView
@@ -216,6 +217,7 @@ class HistoryScene : BaseToolbarScene() {
     fun onItemClick(gi: GalleryInfo): Boolean {
         val args = Bundle()
         args.putString(GalleryDetailScene.KEY_ACTION, GalleryDetailScene.ACTION_GALLERY_INFO)
+        check(gi is Parcelable)
         args.putParcelable(GalleryDetailScene.KEY_GALLERY_INFO, gi)
         val announcer = Announcer(GalleryDetailScene::class.java).setArgs(args)
         startScene(announcer)
@@ -260,6 +262,7 @@ class HistoryScene : BaseToolbarScene() {
                     0 -> {
                         val intent = Intent(activity, ReaderActivity::class.java)
                         intent.action = ReaderActivity.ACTION_EH
+                        check(gi is Parcelable)
                         intent.putExtra(ReaderActivity.KEY_GALLERY_INFO, gi)
                         startActivity(intent)
                     }

app/src/main/java/com/hippo/widget/ContentLayout.java

@@ -170,7 +170,7 @@ public class ContentLayout extends FrameLayout {
         super.onRestoreInstanceState(mContentHelper.restoreInstanceState(state));
     }
 
-    public abstract static class ContentHelper<E extends Parcelable> implements ViewTransition.OnShowViewListener {
+    public abstract static class ContentHelper<E> implements ViewTransition.OnShowViewListener {
 
         public static final int TYPE_REFRESH = 0;
         public static final int TYPE_PRE_PAGE = 1;

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

@@ -35,6 +35,7 @@ import android.os.Bundle
 import android.os.Environment
 import android.os.Handler
 import android.os.Message
+import android.os.Parcelable
 import android.provider.MediaStore
 import android.text.TextUtils
 import android.view.HapticFeedbackConstants
@@ -243,7 +244,9 @@ class ReaderActivity : EhActivity() {
         outState.putString(KEY_FILENAME, mFilename)
         outState.putParcelable(KEY_URI, mUri)
         if (mGalleryInfo != null) {
-            outState.putParcelable(KEY_GALLERY_INFO, mGalleryInfo)
+            val info = mGalleryInfo
+            check(info is Parcelable)
+            outState.putParcelable(KEY_GALLERY_INFO, info)
         }
         outState.putInt(KEY_PAGE, mPage)
         outState.putInt(KEY_CURRENT_INDEX, mCurrentIndex)