Zoom action in sctoll - flutter

Question

hi i want to gesture zoom action its ok and i have done but the problem is in real device whene user zooming because we have nestedscrollview and custom scoll view the page scolling instead of zoom action so what's the solution???
class NftsPage extends ConsumerWidget {
const NftsPage({Key? key}) : super(key: key);
#override
Widget build(BuildContext context, ref) {
final zoom = ref.watch(zoomProvider);
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: GestureDetector(
onScaleStart: (detail) {
lastscale = 0;
},
onScaleEnd: (detail) {
handleZoom(lastscale, ref);
},
onScaleUpdate: (detail) {
lastscale = detail.scale;
},
child: CustomScrollView(
shrinkWrap: true,
physics: const BouncingScrollPhysics(),
slivers: [
SliverToBoxAdapter(
child: NftActionButtons(
onSendPressed: () {},
onReceivePressed: () {},
),
),
SliverToBoxAdapter(
child: Padding(
padding:
const EdgeInsets.symmetric(horizontal: 15, vertical: 10),
child: Text(
'utility'.tr(),
style: context.theme.textTheme.caption,
),
),
),
SliverToBoxAdapter(
child: Placeholder(
fallbackHeight: context.height * 0.3,
),
),
SliverToBoxAdapter(
child: ExpansionTile(
initiallyExpanded: true,
title: Text(
'media'.tr(),
style: context.theme.textTheme.caption,
),
children: [
Consumer(
builder: (context, ref, child) {
final list = ref.watch(mediaListProvider);
return list.when(data: (data) {
return GridView.builder(
physics: const BouncingScrollPhysics(),
itemCount: data.length,
padding: const EdgeInsets.only(bottom: 10),
shrinkWrap: true,
gridDelegate:
SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: zoom == 1
? 5
: zoom == 2
? 3
: 1,
mainAxisSpacing: 6.0,
crossAxisSpacing: 6.0,
childAspectRatio: 1),
itemBuilder: ((c, i) {
MediaEntity media = data[i];
return InkWell(
onTap: () {
ref.read(currenctIndexProvider.notifier).state =
i;
AppNavigator.toShowMedia(i);
},
child: zoom == 1
? MediaItem1(
media: media,
)
: zoom == 2
? MediaItem2(
media: media,
)
: MediaItem3(
media: media,
),
);
}),
);
}, error: (error, trace) {
return Text(
'error',
style: context.textTheme.subtitle2,
);
}, loading: () {
return Loading();
});
},
)
],
),
)
],
),
),
);
}
}