我已经尝试了stackoverflow上的几乎所有解决方案，例如使用具有单个子 ScrollView 和物理属性的扩展小部件以及什么，但仍然无法在占据屏幕后半部分的futurebuilder内启用滚动，前半部分是静态的，但后半部分在未来的构建器中包含 ListView ，但它不可滚动!!
错误底部溢出了 1313 像素
这是我的代码
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
resizeToAvoidBottomInset: true,
body:Container(
child: Column(
children: [
Column(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(15,12,15,0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Image.asset('assets/hamburger.png',height: 25,width: 25,alignment: Alignment.topLeft,),
Image.asset('assets/log.png',height: 37,width: 37,alignment: Alignment.center,),
Image.asset('assets/searc.png',height: 25,width: 25,alignment: Alignment.topRight,),
],
),
),
SizedBox(height: 10,),
Padding(
padding: const EdgeInsets.fromLTRB(15, 0, 0, 0),
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
CircleAvatar(
radius: 30,
backgroundImage: NetworkImage(img)
),
// split(data[index]["image"])
SizedBox(width: 20,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
// mainAxisAlignment: MainAxisAlignment.center,
children: [
Row(
children: [
Text('Hello',style: TextStyle(
color: Colors.black,
fontSize: 15,
),textAlign: TextAlign.start,),
SizedBox(width: 5,),
Text(name,style: TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold
),textAlign: TextAlign.start,),
],
),
Text('Welcome To Quad Life',style: TextStyle(
color: Colors.grey,
fontSize: 13,
),textAlign: TextAlign.start,),
],
),
],
),
),
SizedBox(height: 10,),
Padding(
padding: const EdgeInsets.fromLTRB(15, 0, 15, 0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
SizedBox(
width:MediaQuery.of(context).size.width*0.4,
height: 70,
child: Card(
elevation: 5,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15),
) ,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 5),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(data.length.toString(),
style:
TextStyle(color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold),),
SizedBox(height: 5,),
Text('Operators',style:
TextStyle(color: Colors.grey,
fontSize: 15,
fontWeight: FontWeight.bold),),
],
),
),
),
),
SizedBox(
width:MediaQuery.of(context).size.width*0.4,
height: 70,
child: Card(
elevation: 5,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15),
) ,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 5),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(data1.length.toString(),style:
TextStyle(color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold),),
SizedBox(height: 5,),
Text('Supervisors',style:
TextStyle(color: Colors.grey,
fontSize: 15,
fontWeight: FontWeight.bold),),
],
),
),
),
),
],
),
),
Column(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(0, 15, 0, 0),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 15),
child: Card(
elevation: 20,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15),
) ,
child: SizedBox(
width: MediaQuery.of(context).size.width,
height: 150,
child: LineChart(
LineChartData(
borderData: FlBorderData(
show: true,
border: Border.all(width: 0)
),
gridData: FlGridData(
show: false,
),
titlesData: FlTitlesData(
show: false,
bottomTitles: SideTitles(
showTitles: true,
)
),
maxX: 50,
maxY: 100,
minX: 0,
minY: 0,
lineBarsData: [
LineChartBarData(
spots: [
FlSpot(0, 50),
FlSpot(10, 60),
FlSpot(15, 55),
FlSpot(20, 60),
FlSpot(30, 70),
FlSpot(40, 65),
FlSpot(50, 90),
],
isCurved: true,
colors: [Colors.orange,Colors.orangeAccent.shade700],
barWidth: 5,
belowBarData: BarAreaData(
show: true,
colors: gradientcolors.map((e) => e.withOpacity(0.3)).toList()
)
),
],
)
),
),
),
),
),
SizedBox(height: 10,),
Padding(
padding: const EdgeInsets.fromLTRB(15, 0, 15, 0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
SizedBox(
width:MediaQuery.of(context).size.width*0.45,
height: 70,
child: Card(
elevation: 3,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(7),
) ,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 5),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('New Operator',style:
TextStyle(color: Colors.black,
fontSize: 14,),),
SizedBox(height: 5,),
Text('Register new verfied Operator',
textAlign: TextAlign.center,
style:
TextStyle(color: Colors.grey,
fontSize: 9,
fontWeight: FontWeight.bold),),
],
),
),
),
),
SizedBox(
width:MediaQuery.of(context).size.width*0.45,
height: 70,
child: Card(
elevation: 3,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(7),
) ,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 5),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('New Supervisors',style:
TextStyle(color: Colors.black,
fontSize: 14,),),
SizedBox(height: 5,),
Text('Register new verfied Supervisors',
textAlign: TextAlign.center,
style:
TextStyle(color: Colors.grey,
fontSize: 9,
fontWeight: FontWeight.bold),),
],
),
),
),
),
],
),
),
],
),
SizedBox(height: 5,),
Padding(
padding: EdgeInsets.fromLTRB(15, 0, 0, 0),
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Text('Verify Operators',style: TextStyle(
color: Colors.grey.shade500,
fontSize: 15,
fontWeight: FontWeight.bold,
),
),
],
),
),
],
),
FutureBuilder(
builder: (context, snapshot){
if(snapshot != null){
return Column(
children: [
ListView.builder(
scrollDirection: Axis.vertical,
physics:NeverScrollableScrollPhysics(),
shrinkWrap: true,
// builder: (BuildContext context, int index) {
// return SizedBox(height: 0);
// },
itemCount: data == null ? 0 :data.length ,
itemBuilder: (context, index){
return InkWell(
onTap: (){},
child: Padding(
padding: const EdgeInsets.all(0),
child: Container(
height: MediaQuery.of(context).size.height*0.1,
decoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(20)),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Container(
margin: EdgeInsets.only(left: 15),
child: SizedBox(
height: 50,
width: 50,
child: ClipRRect(
borderRadius: BorderRadius.circular(15),
child: Image(
image: NetworkImage(split(data[index]["image"])),
),
),
),
),
SizedBox(width: 10,),
Padding(
padding: const EdgeInsets.only(top: 25),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(data[index]["fullName"],
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 15,
color: Colors.black,
fontWeight: FontWeight.bold,
),),
Text(capitalize(data[index]["experience"][data[index]["experience"].length-1]['designation']),
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 15,
color: Colors.grey,
fontWeight: FontWeight.w100
),),
],
),
),
],
),
Padding(
padding: const EdgeInsets.only(right: 20),
child: TextButton(onPressed: (){},
child: Text('Verify Now',style:
TextStyle(color: Colors.green,fontWeight: FontWeight.bold,
fontSize: 15),),),
)
],
),
),
),
);
},
),
],
);
}else{
return CircularProgressIndicator();
}
},
),
],
),
),
),
);
}
最佳答案
=>用这个改变下半场
Expanded(
flex: 1,
child: FutureBuilder(
builder: (context, snapshot) {
if (snapshot != null) {
return ListView.builder(
scrollDirection: Axis.vertical,
shrinkWrap: true,
// builder: (BuildContext context, int index) {
// return SizedBox(height: 0);
// },
itemCount: data == null ? 0 : data.length,
itemBuilder: (context, index) {
return InkWell(
onTap: () {},
child: Padding(
padding: const EdgeInsets.all(0),
child: Container(
height:
MediaQuery.of(context).size.height * 0.1,
decoration: BoxDecoration(
borderRadius:
BorderRadius.all(Radius.circular(20)),
),
child: Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: [
Row(
mainAxisAlignment:
MainAxisAlignment.start,
children: [
Container(
margin: EdgeInsets.only(left: 15),
child: SizedBox(
height: 50,
width: 50,
child: ClipRRect(
borderRadius:
BorderRadius.circular(15),
child: Image(
image: NetworkImage(split(
data[index]["image"])),
),
),
),
),
SizedBox(
width: 10,
),
Padding(
padding:
const EdgeInsets.only(top: 25),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Text(
data[index]["fullName"],
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 15,
color: Colors.black,
fontWeight: FontWeight.bold,
),
),
Text(
capitalize(data[index]
["experience"][data[index]
["experience"]
.length -
1]['designation']),
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 15,
color: Colors.grey,
fontWeight:
FontWeight.w100),
),
],
),
),
],
),
Padding(
padding: const EdgeInsets.only(right: 20),
child: TextButton(
onPressed: () {},
child: Text(
'Verify Now',
style: TextStyle(
color: Colors.green,
fontWeight: FontWeight.bold,
fontSize: 15),
),
),
)
],
),
),
));
});
} else {
return CircularProgressIndicator();
}
},
),
),
关于android - 无法在 FutureBuilder 中滚动 ListView，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/71625780/