[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 +295,19 @@ 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.ok, (dialog, which) -> dialog.dismiss())
+                .show();
+    }
   }
 
   private void onSettingsActionSelected(@NonNull BookmarkCategory category)

android/app/src/main/java/app/organicmaps/routing/NavigationController.java

@@ -98,11 +98,6 @@ public class NavigationController implements TrafficManager.TrafficCallback, Nav
     mSpeedLimit = topFrame.findViewById(R.id.nav_speed_limit);
     mCurrentSpeed = topFrame.findViewById(R.id.nav_current_speed);
 
-    View mTopbar = topFrame.findViewById(R.id.statutbar);
-    ViewCompat.setOnApplyWindowInsetsListener(mTopbar,(v, windowInsets) -> {
-        UiUtils.setViewNavigationTopInsetsMargin(v, windowInsets);
-        return windowInsets;
-    });
     // Show a blank view below the navbar to hide the menu content
     final View navigationBarBackground = mFrame.findViewById(R.id.nav_bottom_sheet_nav_bar);
     final View nextTurnContainer = mFrame.findViewById(R.id.nav_next_turn_container);

android/app/src/main/java/app/organicmaps/util/UiUtils.java

@@ -281,14 +281,6 @@ public final class UiUtils
     view.setPadding(systemInsets.left, systemInsets.top, systemInsets.right, view.getPaddingBottom());
   }
 
-  public static void setViewNavigationTopInsetsMargin(View view, WindowInsetsCompat windowInsets)
-  {
-      final Insets systemInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars());
-      ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) view.getLayoutParams();
-      lp.topMargin = systemInsets.top;
-      view.setLayoutParams(lp);
-  }
-
   public static void setupNavigationIcon(@NonNull MaterialToolbar toolbar, @NonNull View.OnClickListener listener)
   {
     View customNavigationButton = toolbar.findViewById(R.id.back);

android/app/src/main/res/layout-land/layout_nav_top.xml

@@ -11,12 +11,13 @@
   <FrameLayout
     android:layout_width="match_parent"
     android:id="@+id/statutbar"
-    android:layout_height="1dp"
+    android:layout_height="15dp"
     app:layout_constraintTop_toTopOf="parent" />
   <com.google.android.material.card.MaterialCardView
     android:id="@+id/street_frame"
     android:layout_width="500dp"
     android:layout_height="wrap_content"
+    android:layout_marginTop="@dimen/margin_half_plus_eight"
     android:layout_marginEnd="@dimen/margin_quarter"
     app:cardCornerRadius="@dimen/margin_half"
     android:elevation="@dimen/nav_elevation"
@@ -51,6 +52,7 @@
     app:layout_constraintEnd_toStartOf="@+id/street_frame"
     app:layout_constraintStart_toStartOf="parent"
     app:layout_constraintTop_toBottomOf="@+id/statutbar"
+    android:layout_marginTop="@dimen/margin_half_plus_eight"
     android:layout_marginStart="@dimen/margin_quarter"
     android:clickable="true"
     android:elevation="@dimen/nav_elevation">

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

@@ -11,12 +11,13 @@
   <FrameLayout
     android:layout_width="match_parent"
     android:id="@+id/statutbar"
-    android:layout_height="1dp"
+    android:layout_height="25dp"
     app:layout_constraintTop_toTopOf="parent" />
   <com.google.android.material.card.MaterialCardView
     android:id="@+id/street_frame"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:layout_marginTop="@dimen/margin_half_plus"
     android:layout_marginStart="@dimen/nav_street_left"
     android:layout_marginEnd="@dimen/margin_quarter"
     app:cardCornerRadius="@dimen/margin_half"
@@ -54,6 +55,7 @@
     app:layout_constraintStart_toStartOf="parent"
     app:layout_constraintTop_toBottomOf="@+id/statutbar"
     android:layout_marginStart="@dimen/margin_half"
+    android:layout_marginTop="@dimen/margin_half_plus"
     android:clickable="true"
     android:elevation="@dimen/nav_elevation">
     <LinearLayout

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

@@ -974,4 +974,5 @@
     <string name="download_resources_custom_url_hint">https://cdn-fi-1.comaps.app/</string>
     <string name="download_resources_custom_url_summary_none">Not set</string>
     <string name="download_resources_custom_url_error_scheme">Please enter a full URL starting with https:// and ending with /</string>
+    <string name="unable_to_delete_list">The last list cannot be deleted. Create a new list to remove it</string>
 </resources>

data/countries_meta.txt

@@ -1,10 +1,4 @@
 {
-"World": {
- "languages": ["int_name", "en", "default"]
-},
-"WorldCoasts": {
- "languages": ["int_name", "en", "default"]
-},
 "Abkhazia": {
  "languages": ["ab", "ru"]
 },