From 186f7a091afea761162086bf338fa445bef3ead4 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste <jeanbaptiste.charron@outlook.fr>
Date: Mon, 29 Dec 2025 18:05:29 +0100
Subject: [PATCH] [android] Add a new alert dialog when we remove the last list

Signed-off-by: Jean-Baptiste <jeanbaptiste.charron@outlook.fr>
---
 .../bookmarks/BookmarkCategoriesFragment.java | 26 ++++++++++++++-----
 android/app/src/main/res/values/strings.xml   |  1 +
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/android/app/src/main/java/app/organicmaps/bookmarks/BookmarkCategoriesFragment.java b/android/app/src/main/java/app/organicmaps/bookmarks/BookmarkCategoriesFragment.java
index 03245eaee..da1cd2433 100644
--- a/android/app/src/main/java/app/organicmaps/bookmarks/BookmarkCategoriesFragment.java
+++ b/android/app/src/main/java/app/organicmaps/bookmarks/BookmarkCategoriesFragment.java
@@ -197,10 +197,8 @@ public class BookmarkCategoriesFragment extends BaseMwmRecyclerFragment<Bookmark
                                         () -> onShareActionSelected(mSelectedCategory, KmlFileType.Text)));
       items.add(new MenuBottomSheetItem(R.string.export_file_gpx, R.drawable.ic_file_gpx,
                                         () -> onShareActionSelected(mSelectedCategory, KmlFileType.Gpx)));
-      // Disallow deleting the last category
-      if (getAdapter().getBookmarkCategories().size() > 1)
-        items.add(new MenuBottomSheetItem(R.string.delete, R.drawable.ic_delete,
-                                          () -> onDeleteActionSelected(mSelectedCategory)));
+      items.add(new MenuBottomSheetItem(R.string.delete, R.drawable.ic_delete,
+                                        () -> onDeleteActionSelected(mSelectedCategory)));
     }
     return items;
   }
@@ -297,8 +295,24 @@ public class BookmarkCategoriesFragment extends BaseMwmRecyclerFragment<Bookmark
 
   private void onDeleteActionSelected(@NonNull BookmarkCategory category)
   {
-    BookmarkManager.INSTANCE.deleteCategory(category.getId());
-    getAdapter().notifyDataSetChanged();
+    // Disallow deleting the last category
+    if ((getAdapter().getBookmarkCategories().size() > 1))
+    {
+        BookmarkManager.INSTANCE.deleteCategory(category.getId());
+        getAdapter().notifyDataSetChanged();
+    }
+    else
+    {
+        new MaterialAlertDialogBuilder(requireActivity())
+                .setMessage(R.string.unable_to_delete_list)
+                .setPositiveButton(android.R.string.yes, ((dialog, which) -> {
+                    onAddButtonClick();
+                    BookmarkManager.INSTANCE.deleteCategory(category.getId());
+                    getAdapter().notifyDataSetChanged();
+                }))
+                .setNegativeButton(android.R.string.no,(dialog, which) -> dialog.dismiss())
+                .show();
+    }
   }
 
   private void onSettingsActionSelected(@NonNull BookmarkCategory category)
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
index aa092818d..3151c0aef 100644
--- a/android/app/src/main/res/values/strings.xml
+++ b/android/app/src/main/res/values/strings.xml
@@ -973,4 +973,5 @@
     <string name="download_resources_custom_url_message">Override the default map download server used for map downloads. Leave empty to use CoMaps default server.</string>
     <string name="download_resources_custom_url_summary_none">Not set</string>
     <string name="download_resources_custom_url_error_scheme">Please enter a URL starting with http:// or https://</string>
+    <string name="unable_to_delete_list">The app cannot work without at least one list. Do you want to remove it and create a new one?</string>
 </resources>