fix: Design

lib/config/themes.dart

@@ -97,6 +97,7 @@ abstract class FluffyThemes {
       fillColor: lighten(AppConfig.primaryColor, .51),
     ),
     appBarTheme: AppBarTheme(
+      elevation: 2,
       brightness: Brightness.light,
       color: Colors.white,
       textTheme: TextTheme(
@@ -178,6 +179,7 @@ abstract class FluffyThemes {
     ),
     snackBarTheme: SnackBarThemeData(behavior: SnackBarBehavior.floating),
     appBarTheme: AppBarTheme(
+      elevation: 2,
       brightness: Brightness.dark,
       color: Color(0xff1D1D1D),
       textTheme: TextTheme(

lib/pages/chat_list.dart

@@ -32,7 +32,6 @@ class ChatList extends StatefulWidget {
 }
 
 class ChatListController extends State<ChatList> {
-  final ScrollController scrollController = ScrollController();
   StreamSubscription _intentDataStreamSubscription;
 
   StreamSubscription _intentFileStreamSubscription;
@@ -43,15 +42,6 @@ class ChatListController extends State<ChatList> {
 
   String get activeChat => VRouter.of(context).pathParameters['roomid'];
 
-  bool scrolledTop = true;
-
-  void updateScrolledTop() {
-    final newScrolledTop = scrollController.offset == 0;
-    if (scrolledTop != newScrolledTop) {
-      setState(() => scrolledTop = newScrolledTop);
-    }
-  }
-
   void _processIncomingSharedFiles(List<SharedMediaFile> files) {
     if (files?.isEmpty ?? true) return;
     VRouter.of(context).push('/rooms');
@@ -119,7 +109,6 @@ class ChatListController extends State<ChatList> {
   @override
   void initState() {
     _initReceiveSharingIntent();
-    scrollController.addListener(updateScrolledTop);
     super.initState();
   }
 
@@ -128,7 +117,6 @@ class ChatListController extends State<ChatList> {
     _intentDataStreamSubscription?.cancel();
     _intentFileStreamSubscription?.cancel();
     _intentUriStreamSubscription?.cancel();
-    scrollController.removeListener(updateScrolledTop);
     super.dispose();
   }
 

lib/pages/views/chat_list_view.dart

@@ -34,7 +34,6 @@ class ChatListView extends StatelessWidget {
               },
               child: Scaffold(
                 appBar: AppBar(
-                  elevation: controller.scrolledTop ? 0 : null,
                   leading: selectMode == SelectMode.normal
                       ? null
                       : IconButton(
@@ -230,15 +229,7 @@ class ChatListView extends StatelessWidget {
                   ),
                 ]),
                 floatingActionButton: selectMode == SelectMode.normal
-                    ? controller.scrolledTop
-                        ? FloatingActionButton.extended(
-                            heroTag: 'main_fab',
-                            onPressed: () =>
-                                VRouter.of(context).push('/newprivatechat'),
-                            icon: Icon(CupertinoIcons.chat_bubble),
-                            label: Text(L10n.of(context).newChat),
-                          )
-                        : FloatingActionButton(
+                    ? FloatingActionButton(
                             heroTag: 'main_fab',
                             onPressed: () =>
                                 VRouter.of(context).push('/newprivatechat'),