D1APP-90 pageview scroll controlling

lib/pages/home/news/news_details/news_details.dart

@@ -43,6 +43,7 @@ class _NewsDetailsState extends State<NewsDetails> {
                   onPageChanged: _onPageChnaged,
                   scrollController: _scrollController,
                   items: state.news,
+                  currentIndex: state.currentIndex,
                 ),
               if (state.news.isNotEmpty)
                 Positioned(

lib/pages/home/radar/radar_details/radar_details.dart

@@ -43,6 +43,7 @@ class _RadarDetailsState extends State<RadarDetails> {
                   onPageChanged: _onPageChanged,
                   scrollController: _scrollController,
                   items: state.radars,
+                  currentIndex: state.currentIndex,
                 ),
               if (state.radars.isNotEmpty)
                 Positioned(

lib/pages/home/widgets/floating_navigation_bar.dart

@@ -56,6 +56,7 @@ class _FloatingNavigationBarState extends State<FloatingNavigationBar> {
 
   @override
   void initState() {
+    _handleScroll();
     _isScrolled = false;
     _comments = widget.comments;
     super.initState();
@@ -170,6 +171,23 @@ class _FloatingNavigationBarState extends State<FloatingNavigationBar> {
     );
   }
 
+  void _handleScroll() {
+    widget.scrollController.addListener(() {
+      final position = widget.scrollController.position.pixels;
+      final size = MediaQuery.of(context).size.height * 0.3;
+      if (position > size && _isScrolled == false) {
+        setState(() {
+          _isScrolled = true;
+        });
+      }
+      if (position < size && _isScrolled == true) {
+        setState(() {
+          _isScrolled = false;
+        });
+      }
+    });
+  }
+
   void _showMoreOptions() {
     final categories = widget.categories!;
     ActionSheetUtils.showBottomSheet(

lib/widgets/didvan/page_view.dart

@@ -11,17 +11,19 @@ import 'package:flutter_html/flutter_html.dart';
 class DidvanPageView extends StatefulWidget {
   final List items;
   final int initialIndex;
+  final int currentIndex;
   final bool isRadar;
-  final ScrollController? scrollController;
+  final ScrollController scrollController;
 
   final void Function(int index) onPageChanged;
   const DidvanPageView({
     Key? key,
     required this.initialIndex,
     required this.items,
-    this.scrollController,
+    required this.scrollController,
     required this.onPageChanged,
     required this.isRadar,
+    required this.currentIndex,
   }) : super(key: key);
 
   @override
@@ -48,7 +50,8 @@ class _DidvanPageViewState extends State<DidvanPageView> {
           child: SizedBox(
             height: MediaQuery.of(context).size.height,
             child: SingleChildScrollView(
-              controller: index == 1 ? widget.scrollController : null,
+              controller:
+                  index == widget.currentIndex ? widget.scrollController : null,
               physics: const BouncingScrollPhysics(),
               padding: EdgeInsets.only(
                 left: 4,