improve ui

lib/pages/categories_page.dart

@@ -29,6 +29,16 @@ class CategoriesPage extends StatelessWidget {
             .where((element) => allCategories.contains(element))
             .toList();
 
+        if(categories.isEmpty) {
+          return NetworkError(
+            message: "No Category Pages".tl,
+            retry: () {
+              controller.update();
+            },
+            withAppbar: false,
+          );
+        }
+
         return Material(
           child: DefaultTabController(
             length: categories.length,

lib/pages/comments_page.dart

@@ -272,7 +272,7 @@ class _CommentTileState extends State<_CommentTile> {
                 if (widget.comment.time != null)
                   Text(widget.comment.time!, style: ts.s12),
                 const SizedBox(height: 4),
-                Text(widget.comment.content),
+                _CommentContent(text: widget.comment.content),
                 buildActions(),
               ],
             ),
@@ -490,3 +490,14 @@ class _CommentTileState extends State<_CommentTile> {
     );
   }
 }
+
+class _CommentContent extends StatelessWidget {
+  const _CommentContent({required this.text});
+
+  final String text;
+
+  @override
+  Widget build(BuildContext context) {
+    return SelectableText(text);
+  }
+}

lib/pages/explore_page.dart

@@ -62,8 +62,22 @@ class _ExplorePageState extends State<ExplorePage>
 
   Widget buildBody(String i) => _SingleExplorePage(i, key: Key(i));
 
+  Widget buildEmpty() {
+    return NetworkError(
+      message: "No Explore Pages".tl,
+      retry: () {
+        setState(() {});
+      },
+      withAppbar: false,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
+    if (pages.isEmpty) {
+      return buildEmpty();
+    }
+
     Widget tabBar = Material(
       child: FilledTabBar(
         tabs: pages.map((e) => buildTab(e)).toList(),

lib/pages/search_page.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 
 import 'package:flutter/material.dart';
+import 'package:sliver_tools/sliver_tools.dart';
 import 'package:venera/components/components.dart';
 import 'package:venera/foundation/app.dart';
 import 'package:venera/foundation/appdata.dart';
@@ -168,7 +169,10 @@ class _SearchPageState extends State<SearchPage> {
       yield buildSuggestions(context);
     } else {
       yield buildSearchTarget();
-      yield buildSearchOptions();
+      yield SliverAnimatedPaintExtent(
+        duration: const Duration(milliseconds: 200),
+        child: buildSearchOptions(),
+      );
       yield buildSearchHistory();
     }
   }