'Refresh Indicator not working with NestedScrollView

@override
  Widget build(BuildContext context) {
    super.build(context);

    SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
    return AnnotatedRegion<SystemUiOverlayStyle>(
      value: SystemUiOverlayStyle(
        statusBarColor: Colors.transparent,
      ),
      child: Scaffold(
     key: _scaffoldKeyProfilePage,

      body: DefaultTabController(
        length: 2,
 child:RefreshIndicator(
          onRefresh: _onRefresh,
        child: NestedScrollView(
          
            headerSliverBuilder: (context, _) {
              return [
                SliverList(
                delegate: SliverChildListDelegate(
                 [                 BuildMainProfile(
              ....//
                 ),
                 Padding(
                ...//another design 
                 ), 
                
              ];
            },
            // You tab view goes here
            body: Column(
              children: <Widget>[
                TabBar(
              tabs: [
                Tab(text: 'A'),
                Tab(text: 'B'),
              ],
                ),
                Expanded(
              child: TabBarView(
                children: [
                  BuildPost(,

                  ),
                 BuildWings()
                ],
              ),
                ),
              ],
            ),
          ),),
      ),

  }

Refresh Indicator not working with NestedScrollView, is there any way to implement RefreshIndiactor? I tried adding an empty ListView in Stack, Refresh indicator start showing but because of that my NestedScrollView doesnt scroll.

flutter flutter-layout

Solution 1:^[1]

Did you try setting NestedScrollView widgets physics to AlwaysScrollableScrollPhysics()?

Please see the documentation for RefreshIndicator.

Refresh indicator does not show up

The RefreshIndicator will appear if its scrollable descendant can be overscrolled, i.e. if the scrollable's content is bigger than its viewport. To ensure that the RefreshIndicator will always appear, even if the scrollable's content fits within its viewport, set the scrollable's Scrollable.physics property to AlwaysScrollableScrollPhysics:
ListView(   
physics: const AlwaysScrollableScrollPhysics(),  
children: ... )
A RefreshIndicator can only be used with a vertical scroll view.

Solution 2:^[2]

Please try to wrap 'body' of the NestedScrollView with RefreshIndicator widget if the headers won't change when refreshed but only the content change happens for 'body'.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution	Source
Solution 1	bluenile
Solution 2	Mahendra Raj

'Refresh Indicator not working with NestedScrollView

Solution 1:[1]

Solution 2:[2]

Sources

Related Questions

Solution 1:^[1]

Solution 2:^[2]