[英]how to resolve BOTTOM OVERFLOWED BY 84 PIXLES in Flutter Activity?
我是 Flutter 的新手,我有以下活动,当我单击文本字段键盘时会出现warning
例如BOTTOM OVERFLOWED BY 84 PIXLES
也出现如何解决此问题? 当我尝试SingleChildScrollView
时,活动的空白区域(“没有小部件的地方”)变白了。 是否缺少任何 Widget 或我在代码中犯了错误?
我的活动
这是我的代码
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:marshal/Payment.dart';
import 'bottomnavigationbar.dart';
class Payment2 extends StatefulWidget {
@override
_Payment2State createState() => _Payment2State();
}
class _Payment2State extends State<Payment2> {
@override
Widget build(BuildContext context) {
final PaymentButton = Material(
elevation: 5.0,
borderRadius: BorderRadius.circular(30.0),
color: Colors.red,
child: MaterialButton(
minWidth: MediaQuery.of(context).size.width,
padding: EdgeInsets.fromLTRB(20.0, 15.0, 20.0, 15.0),
onPressed: () {
Route route = MaterialPageRoute(builder: (context) => Paymentdone());
Navigator.pushReplacement(context, route);
},
child: Text("Payment",
textAlign: TextAlign.center,
style: style.copyWith(
color: Colors.white, fontWeight: FontWeight.w800)),
),
);
return Scaffold(
appBar: AppBar(
title: Text("Payment"),
centerTitle: true,
),
body: Container(
padding: EdgeInsets.all(16),
color: Colors.black,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
Padding(
padding: EdgeInsets.all(25),
),
Text(
"ENTER YOUR CARD DETAILS",
style: TextStyle(
fontWeight: FontWeight.w400,
color: Colors.white,
fontSize: 16),
),
Padding(
padding: EdgeInsets.all(5),
),
Card(
color: Color(0xFF1E1E1E),
child: ListTile(
leading: CircleAvatar(),
title: Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Text(
"MasterCard",
style: TextStyle(fontSize: 16, color: Colors.white),
),
Text(
'90 \u0024',
style: TextStyle(fontSize: 16, color: Colors.white),
),
],
),
),
),
),
Padding(
padding: EdgeInsets.all(12),
),
Card(
color: Color(0xFF1E1E1E),
child: cardnumber(),
),
Row(
children: [
Container(
//height: 60,
width: MediaQuery.of(context).size.width * 0.45,
color: Color(0xFF1E1E1E),
child: TextField(
style: style,
maxLength: 5,
cursorColor: Colors.red,
textAlign: TextAlign.left,
keyboardType: TextInputType.number,
decoration: InputDecoration(
hintText: 'MM/YY',
hintStyle: TextStyle(fontSize: 16, color: Colors.white),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
),
filled: true,
contentPadding: EdgeInsets.all(16),
),
),
),
Padding(
padding: EdgeInsets.all(1),
),
Container(
// height: 50,
width: MediaQuery.of(context).size.width * 0.44,
color: Color(0xFF1E1E1E),
child: TextField(
style: style,
maxLength: 3,
cursorColor: Colors.red,
textAlign: TextAlign.left,
keyboardType: TextInputType.number,
decoration: InputDecoration(
hintText: 'CVV',
hintStyle: TextStyle(fontSize: 16, color: Colors.white),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
),
filled: true,
contentPadding: EdgeInsets.all(16),
),
),
),
],
),
Container(
height: 100,
),
PaymentButton,
],
),
),
bottomNavigationBar: BottomNavigation(),
);
}
Widget cardnumber() {
return TextField(
style: style,
maxLength: 16,
cursorColor: Colors.red,
textAlign: TextAlign.left,
keyboardType: TextInputType.number,
decoration: InputDecoration(
hintText: 'XXXX XXXX XXXX 1234',
hintStyle: TextStyle(fontSize: 16, color: Colors.white),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
),
filled: true,
contentPadding: EdgeInsets.all(16),
),
);
}
TextStyle style =
TextStyle(fontFamily: 'Montserrat', color: Colors.white, fontSize: 16.0);
}
只需将resizeToAvoidBottomInset: false
添加到您的Scaffold
您也可以将孩子包裹在SingleChildScrollView
在body
使用SingleChildScrollView
。 为避免白色部分问题,请将其包裹在Stack
。
Stack(
children: <Widget>[
Container(
padding: EdgeInsets.all(16),
color: Colors.black,
),
SingleChildScrollView(
scrollDirection: Axis.vertical,
child: Container(
padding: EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
Padding(
padding: EdgeInsets.all(25),
),
Text(
"ENTER YOUR CARD DETAILS",
style: TextStyle(
fontWeight: FontWeight.w400,
color: Colors.white,
fontSize: 16),
),
Padding(
padding: EdgeInsets.all(5),
),
Card(
color: Color(0xFF1E1E1E),
child: ListTile(
leading: CircleAvatar(),
title: Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Text(
"MasterCard",
style: TextStyle(fontSize: 16, color: Colors.white),
),
Text(
'90 \u0024',
style: TextStyle(fontSize: 16, color: Colors.white),
),
],
),
),
),
),
Padding(
padding: EdgeInsets.all(12),
),
Card(
color: Color(0xFF1E1E1E),
child: cardnumber(),
),
Row(
children: [
Container(
//height: 60,
width: MediaQuery.of(context).size.width * 0.45,
color: Color(0xFF1E1E1E),
child: TextField(
style: style,
maxLength: 5,
cursorColor: Colors.red,
textAlign: TextAlign.left,
keyboardType: TextInputType.number,
decoration: InputDecoration(
hintText: 'MM/YY',
hintStyle: TextStyle(fontSize: 16, color: Colors.white),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
),
filled: true,
contentPadding: EdgeInsets.all(16),
),
),
),
Padding(
padding: EdgeInsets.all(1),
),
Container(
// height: 50,
width: MediaQuery.of(context).size.width * 0.44,
color: Color(0xFF1E1E1E),
child: TextField(
style: style,
maxLength: 3,
cursorColor: Colors.red,
textAlign: TextAlign.left,
keyboardType: TextInputType.number,
decoration: InputDecoration(
hintText: 'CVV',
hintStyle: TextStyle(fontSize: 16, color: Colors.white),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
),
filled: true,
contentPadding: EdgeInsets.all(16),
),
),
),
],
),
Container(
height: 100,
),
PaymentButton,
],
),
),
)
],
)
使用 SingleChildScrollView 是正确的方法。
为了解决你所说的问题,从容器中删除颜色属性,并将其移动到脚手架背景颜色属性中:
return Scaffold(
backgroundColor: Colors.black,
appBar: AppBar(
title: Text("Payment"),
centerTitle: true,
),
body: SingleChildScrollView(
child: Container(
padding: EdgeInsets.all(16),
child: Column(
// the rest of the widgets...
),
),
);
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