gridview.builder 有 FutureBuilder 并从 API 获取所有必要的项目并发送到另一个页面。
我想在点击图像时显示弹出窗口，它显示特定图像并运行幻灯片。
Slider 可以工作，但它多次显示单个图像。这里有什么问题？
刷新指示器（ onRefresh: fetchNewAddListModel, 孩子：FutureBuilder（ 未来：futureNewAddListModel， 构建器：（上下文，快照）{
if (snapshot.hasData) {
snapshot.data!.data.forEach((e) {
imagesList.add(e.thumb);
print(imagesList.length);
});
return
GridView.builder(
//itemCount: image.length,
itemCount: snapshot.data!.data.length,
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2,
crossAxisSpacing: 3.w,
childAspectRatio: 1.02,
),
itemBuilder: (BuildContext context, int index) {
return GestureDetector(
onTap: () {
showModalBottomSheet(
backgroundColor: Colors.white,
isScrollControlled: true,
context: context,
builder: (BuildContext context) {
return SizedBox(
height: 200.h,
child: Column(
crossAxisAlignment: CrossAxisAlignment
.start,
mainAxisSize: MainAxisSize.min,
children: <Widget>[
SizedBox(height: 5.h,),
TextButton(
onPressed: (){
showDialog(
context: context,
builder: (
BuildContext context) {
return Center(
child: Material(
type: MaterialType.transparency,
child: CarouselSlider.builder(
options: CarouselOptions(
autoPlay: false,
enlargeCenterPage: true,
viewportFraction: 0.9,
aspectRatio: 2.0,
initialPage: 2,
onPageChanged: (index, reason) {
_currentIndex = index;
setState((){});
},
),
itemCount: snapshot.data!.data.length,
itemBuilder: (BuildContext context, int itemIndex, int pageViewIndex) =>
ClipRRect(
borderRadius: BorderRadius.circular(5.r),
child: Image.network(snapshot.data!.data[index].thumb.toString(), fit: BoxFit.cover,
height: 300.h,
width: MediaQuery.of(context).size.width * 0.9.w,),
)
),
),
);
});
},
child: Row(
children: [
Icon(
Icons.open_in_new, size: 30.r,
color: kblack,),
SizedBox(width: 10.w,),
Text('Open', style: TextStyle(
fontSize: 20.sp,
color: kblack),),
],
),
),
Divider(height: 5.h,
color: Colors.black45,),
TextButton(
onPressed: () {
showDialog(
context: context,
builder: (
BuildContext context) {
return Center(
child: Material(
type: MaterialType
.transparency,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius
.circular(10),
color: Colors
.white,
),
//padding: EdgeInsets.all(15),
height: 300.h,
width: MediaQuery
.of(context)
.size
.width * 0.9.w,
/*child: ListView.builder(
scrollDirection: Axis.horizontal,
itemBuilder: (BuildContext context, int index) {
return ClipRRect(
borderRadius: BorderRadius.circular(5.r),
child: Image.network(snapshot.data!.data[index].thumb.toString(), fit: BoxFit.cover,),
);
},
),*/
child: ClipRRect(
borderRadius: BorderRadius
.circular(
5.r),
child: Image
.network(
snapshot.data!
.data[index]
.thumb
.toString(),
fit: BoxFit
.cover,),
)
),
),
);
});
},
child: Row(
children: [
Icon(Icons.share, size: 30.r,
color: kblack,),
SizedBox(width: 10.w,),
Text('Share', style: TextStyle(
fontSize: 20.sp,
color: kblack),),
],
),
),
Divider(height: 5.h,
color: Colors.black45,),
TextButton(
onPressed: () {
showDialog(
context: context,
builder: (
BuildContext context) {
return Center(
child: Material(
type: MaterialType
.transparency,
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius
.circular(10),
color: Colors
.white,
),
//padding: EdgeInsets.all(15),
height: 300.h,
width: MediaQuery
.of(context)
.size
.width * 0.9.w,
/*child: ListView.builder(
scrollDirection: Axis.horizontal,
itemBuilder: (BuildContext context, int index) {
return ClipRRect(
borderRadius: BorderRadius.circular(5.r),
child: Image.network(snapshot.data!.data[index].thumb.toString(), fit: BoxFit.cover,),
);
},
),*/
child: ClipRRect(
borderRadius: BorderRadius
.circular(
5.r),
child: Image
.network(
snapshot.data!
.data[index]
.thumb
.toString(),
fit: BoxFit
.cover,),
)
),
),
);
});
},
child: Row(
children: [
Icon(Icons.favorite_border,
size: 30.r, color: kblack,),
SizedBox(width: 10.w,),
Text('Add To Menu',
style: TextStyle(
fontSize: 20.sp,
color: kblack),),
],
),
),
],
),
);
},
);
},
child: Column(
crossAxisAlignment: CrossAxisAlignment
.stretch,
children: <Widget>[
Container(
child: Card(
clipBehavior: Clip.antiAlias,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(
10.r),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(
10.r),
/child: Image.asset(image[index], fit: BoxFit.cover,),/
child: Image.network(
snapshot.data!.data[index].thumb
.toString(),
fit: BoxFit.cover,),
),
)),
Container(
padding: EdgeInsets.all(5.r),
/child: Center(child: Text(snapshot.data!.data[index].employeeName, style: TextStyle(color: kblue, fontSize: 18.sp, fontWeight: FontWeight.w400),)),/
child: Center(
child: Text(
snapshot.data!.data[index].prodName,
style: TextStyle(color: kblue,
fontSize: 18.sp,
fontWeight: FontWeight.w400),),
)
)
]),
);
},
);
} else if (snapshot.hasError) {
return Text('${snapshot.error}');
}
// By default, show a loading spinner.
return const Center(
child: SizedBox(
height: 50.0,
width: 50.0,
child: CircularProgressIndicator(),
),
);
},
),
),