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android - SingleChildScrollView 高度到最大高度,图像背景 flutter

转载 作者:IT老高 更新时间:2023-10-28 12:37:31 25 4
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在登录屏幕中,有一个背景图像,所有内容都可以滚动,但 SingleChildScrollView 没有显示 macth_parent 高度。我的目标是设计像 here

 class MyLoginOne extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new Scaffold(
body: new Container(
decoration: new BoxDecoration(
image: new DecorationImage(
fit: BoxFit.cover,
image:new NetworkImage('https://i.pinimg.com/originals/c2/47/e9/c247e913a0214313045a8a5c39f8522b.jpg')
)
),
child: new BackdropFilter(
filter:new ImageFilter.blur(sigmaX: 1.1,sigmaY:1.1),
child: new Container(
decoration: new BoxDecoration(color: Colors.black45.withOpacity(0.5)),
child: new SingleChildScrollView(
child: new Container(
child: new Column(
children: <Widget>[
new Container(
height: 200.0,
child: new Stack(
children: <Widget>[
new Align(
alignment: AlignmentDirectional.center,
child:new Container(
height: 120.0,
width: 120.0,
decoration: new BoxDecoration(
shape: BoxShape.circle,
color: Colors.white30
),
)
),
new Align(
alignment: AlignmentDirectional.center,
child: new Container(
child: new Text("Farha",style: new TextStyle(
color: Colors.white,
fontSize: 14.0,
fontFamily: "WorkSansLight"
),),
),),],))],),),)),), ));}}

我的圆形容器高度约为 200.0,但 SingleChildScrollView 未显示完整高度。

enter image description here

最佳答案

所需布局的代码 - 它不是 100%,但可以完成工作。您可以根据需要填写。

@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: <Widget>[
Container(
decoration: new BoxDecoration(
image: new DecorationImage(
fit: BoxFit.cover,
image: new NetworkImage(
'https://i.pinimg.com/originals/c2/47/e9/c247e913a0214313045a8a5c39f8522b.jpg'))),
),
Center(
child: SingleChildScrollView(
padding: EdgeInsets.all(30.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
CircleAvatar(
radius: 58.0,
child: Text('Travel'),
),
SizedBox(
height: 20.0,
),
TextFormField(
decoration: InputDecoration(
prefixIcon: Icon(
Icons.person,
color: Colors.white,
),
hintStyle: TextStyle(color: Colors.white),
filled: true,
fillColor: Colors.black45,
hintText: 'Username'),
),
SizedBox(
height: 10.0,
),
TextFormField(
decoration: InputDecoration(
filled: true,
prefixIcon: Icon(Icons.lock, color: Colors.white),
hintStyle: TextStyle(color: Colors.white),
fillColor: Colors.black45,
hintText: 'Password'),
),
SizedBox(
height: 15.0,
),
FlatButton(
onPressed: () {},
child: Text(
'Forgot your Password?',
style: TextStyle(color: Colors.white),
)),
SizedBox(
height: 15.0,
),
RaisedButton(
onPressed: () {},
child: Padding(
padding: EdgeInsets.all(15.0),
child: Text('LOGIN')),
color: Colors.redAccent,
textColor: Colors.white,
),
SizedBox(
height: 10.0,
),
RaisedButton(
onPressed: () {},
child: Padding(
padding: EdgeInsets.all(15.0),
child: Text('REGISTER')),
color: Colors.grey,
textColor: Colors.white,
),
SizedBox(
height: 12.0,
),
Row(
children: <Widget>[
Expanded(
child: Divider(
color: Colors.white,
height: 8.0,
),
),
SizedBox(
width: 8.0,
),
Text(
'OR',
style: TextStyle(color: Colors.white),
),
SizedBox(
width: 8.0,
),
Expanded(
child: Divider(
color: Colors.white,
height: 8.0,
),
)
],
),
Row(
children: <Widget>[
// TODO Social Icons
],
),
],
),
),
),
],
),
);
}

输出:

enter image description here

关于android - SingleChildScrollView 高度到最大高度,图像背景 flutter ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54236895/

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