[android] Add a new alert dialog when we remove the last list

Signed-off-by: Jean-Baptiste <jeanbaptiste.charron@outlook.fr>

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)

android/app/src/main/res/layout/button_new_item.xml

@@ -8,7 +8,7 @@
     android:layout_margin="4dp"
     android:clickable="true"
     android:focusable="true"
-    app:cardBackgroundColor="?appBackground"
+    app:cardBackgroundColor="?cardBackground"
     app:cardCornerRadius="12dp"
     app:cardElevation="2dp"
     tools:showIn="@layout/item_charging_sockets">

android/app/src/main/res/layout/fragment_editor.xml

@@ -6,7 +6,6 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipToPadding="false"
-    android:background="?attr/colorSurfaceContainerHigh"
     tools:context=".editor.EditorActivity">
   <LinearLayout
       android:layout_width="match_parent"
@@ -431,6 +430,7 @@
         android:layout_height="wrap_content"
         android:gravity="center"
         android:layout_marginBottom="@dimen/margin_quarter"
+        app:backgroundTint="?cardBackground"
         android:textColor="@color/base_red"
         app:strokeColor="@color/base_red"
         android:text="@string/editor_business_vacant_button"/>
@@ -441,6 +441,7 @@
         android:layout_height="wrap_content"
         android:gravity="center"
         android:layout_marginBottom="@dimen/margin_base"
+        app:backgroundTint="?cardBackground"
         android:textColor="@color/base_red"
         app:strokeColor="@color/base_red"
         tools:text="Reset my changes"/>

android/app/src/main/res/layout/fragment_editor_host.xml

@@ -2,10 +2,10 @@
 <LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  android:background="?attr/colorSurfaceContainerHigh"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  android:background="?windowBackgroundForced"
   android:orientation="vertical">
 
   <com.google.android.material.appbar.MaterialToolbar

android/app/src/main/res/layout/fragment_phone.xml

@@ -10,13 +10,13 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:id="@+id/frameLayout"
-        android:background="?attr/colorSurfaceContainerHigh"
-        android:layout_marginBottom="@dimen/margin_quarter">
+        android:background="?windowBackgroundForced">
 
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/phones_recycler"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:background="?cardBackground"
             android:scrollbars="vertical" />
 
     </FrameLayout>

android/app/src/main/res/layout/fragment_timetable.xml

@@ -9,7 +9,7 @@
     style="@style/MwmWidget.FrameLayout.Elevation"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/colorSurfaceContainerHigh"
+    android:background="?windowBackgroundForced"
     android:layout_above="@+id/tv__mode_switch"
     android:layout_below="@id/toolbar"/>
 
@@ -19,13 +19,14 @@
     android:layout_height="wrap_content"
     android:layout_alignTop="@+id/tv__mode_switch"
     android:layout_alignParentBottom="true"
-    android:background="?attr/colorSurfaceContainerHigh"/>/>
+    android:background="?cardBackground"/>
 
   <com.google.android.material.textview.MaterialTextView
     android:id="@+id/tv__mode_switch"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_alignParentBottom="true"
+    android:background="?clickableBackground"
     android:gravity="center_vertical"
     android:padding="@dimen/margin_base"
     android:text="@string/editor_time_advanced"
@@ -34,7 +35,7 @@
     android:textColor="?colorSecondary" />
 
   <include
-    layout="@layout/item_divider"
+    layout="@layout/shadow_bottom"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_above="@id/tv__mode_switch"/>

android/app/src/main/res/layout/fragment_timetable_advanced.xml

@@ -5,7 +5,7 @@
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  android:background="?attr/colorSurfaceContainerHigh">>
+  android:background="?windowBackgroundForced">
 
   <LinearLayout
     android:layout_width="match_parent"
@@ -17,7 +17,8 @@
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_marginTop="@dimen/margin_half"
-      style="@style/MwmWidget.M3.Editor.CardView">
+      style="@style/MwmWidget.M3.Editor.CardView"
+      app:cardBackgroundColor="?cardBackground">
 
       <LinearLayout
         android:id="@+id/examples"

android/app/src/main/res/layout/fragment_timetable_simple.xml

@@ -4,7 +4,7 @@
   android:id="@+id/recycler"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  android:background="?attr/colorSurfaceContainerHigh"
+  android:background="?windowBackgroundForced"
   android:paddingStart="@dimen/margin_half"
   android:paddingEnd="@dimen/margin_half"
   android:scrollbars="vertical"/>

android/app/src/main/res/layout/item_charge_socket.xml

@@ -6,7 +6,7 @@
     android:layout_margin="4dp"
     android:clickable="true"
     android:focusable="true"
-    app:cardBackgroundColor="?appBackground"
+    app:cardBackgroundColor="?cardBackground"
     app:cardCornerRadius="12dp"
     app:cardElevation="2dp">
 

android/app/src/main/res/layout/item_charging_sockets.xml

@@ -21,6 +21,5 @@
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:text="@string/edit_socket_info_tooltip"
-      android:textAppearance="?android:attr/textAppearanceSmall"
-      android:layout_marginBottom="@dimen/margin_quarter"/>
+      android:textAppearance="?android:attr/textAppearanceSmall" />
 </LinearLayout>

android/app/src/main/res/layout/recycler_default.xml

@@ -4,5 +4,5 @@
   android:id="@+id/recycler"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
-  android:background="?appBackground"
+  android:background="?cardBackground"
   android:scrollbars="vertical"/>

android/app/src/main/res/values/strings.xml

@@ -975,4 +975,5 @@
     <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>

android/app/src/main/res/values/styles-editor.xml

@@ -89,7 +89,7 @@
     <item name="android:layout_width">match_parent</item>
     <item name="android:layout_height">wrap_content</item>
     <item name="android:layout_marginBottom">@dimen/margin_half</item>
-    <item name="cardBackgroundColor">?appBackground</item>
+    <item name="cardBackgroundColor">?cardBackground</item>
     <item name="android:padding">@dimen/margin_base</item>
     <item name="cardPreventCornerOverlap">false</item>
   </style>

android/app/src/main/res/values/styles.xml

@@ -239,6 +239,10 @@
     <item name="android:foreground">@drawable/shadow_top</item>
   </style>
 
+  <style name="MwmWidget.FrameLayout.BookmarkCategories">
+    <item name="android:background">?windowBackgroundForced</item>
+  </style>
+
   <style name="MwmWidget.Counter">
     <item name="android:layout_width">wrap_content</item>
     <item name="android:layout_height">wrap_content</item>

android/app/src/main/res/values/themes.xml

@@ -278,6 +278,10 @@
   <style name="MwmTheme.Navigation">
     <item name="iconTint">@color/white_primary</item>
   </style>
+
+  <style name="PopupMenu" parent="ThemeOverlay.Material3">
+    <item name="android:popupBackground">?windowBackgroundForced</item>
+  </style>
     <!-- Theme required to apply M3 dialog style on preference screen -->
     <style name="MwmTheme.M3.AlertDialog" parent="ThemeOverlay.Material3.MaterialAlertDialog">
         <item name="dialogCornerRadius">28dp</item>