我想让个人资料页面的一些信息可以滚动.对于布局,我使用堆栈作为父窗口小部件,并用定位窗口小部件填充它.我用所有位置参数填充了定位小部件,当我把它放在屏幕中间时,它允许我滚动它.似乎我越往下推小部件,滚动的区域就越小.直到这个区域消失.
最后一个定位的小部件是我想使其可滚动的小部件.我还把它和固定号码一起使用,但没用.
我是编程新手,所以我希望能把我的问题说清楚.提前谢谢你帮我.
这是我的代码:
return Scaffold(
appBar: AppBar(
elevation: 2,
leading: BackButton(onPressed: () {
Navigator.pop(context,
MaterialPageRoute(builder: (context) => eventHomeScreen()));
}),
backgroundColor: Colors.teal,
title: Text('Leute', style: TextStyle(fontSize: 28)),
actions: [
IconButton(
iconSize: 26,
icon: Icon(Icons.chat),
tooltip: 'Chat-Anfrage schicken',
onPressed: () {
Navigator.of(context).push(MaterialPageRoute(
builder: (context) => chatRequestSentScreen.withUser(user)));
},
)
],
),
body: Stack(
alignment: Alignment.bottomCenter,
clipBehavior: Clip.none,
children: <Widget>[
Container(
width: MediaQuery.of(context).size.width * 1,
height: MediaQuery.of(context).size.height * .35,
decoration: BoxDecoration(
image: DecorationImage(
image: user.getProfilePicture(),
fit: BoxFit.cover,
),
),
),
Positioned(
bottom: -MediaQuery.of(context).size.height * 0.19,
child: Card(
color: Colors.teal.shade50,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(40),
topRight: Radius.circular(40),
)),
elevation: 0,
child: Container(
width: MediaQuery.of(context).size.width * 1,
height: MediaQuery.of(context).size.height * 0.26,
child: Column(
children: [
Text(
user.getFullName(),
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 24,
),
),
Text(user.getCurrentAge().toString() + " Jahre",
style: TextStyle(
fontSize: 22,
)),
Text('Zuletzt aktiv: Heute',
style: TextStyle(
color: Colors.grey,
fontSize: 16,
)),
SizedBox(
height: 10,
),
Container(
margin: EdgeInsets.symmetric(horizontal: 20),
padding:
EdgeInsets.symmetric(horizontal: 30, vertical: 5),
child: Text(user.getBio(),
maxLines: 3,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 20,
)),
),
SizedBox(
height: 50,
),
],
),
),
),
),
Positioned(
top: MediaQuery.of(context).size.height * 0.45,
left: 0.0,
right: 0.0,
bottom: -MediaQuery.of(context).size.height * 0.55,
child: Container(
decoration: BoxDecoration(
color: Colors.black87,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(40),
topRight: Radius.circular(40),
)),
width: MediaQuery.of(context).size.width * 1,
height: MediaQuery.of(context).size.height * 0.4,
child:
Container(
margin: EdgeInsets.symmetric(horizontal: 20, vertical: 20),
padding:
EdgeInsets.symmetric(horizontal: 30, vertical: 5),
child: SingleChildScrollView(
physics: AlwaysScrollableScrollPhysics(),
child: Column(
children: SharedScreenFeatures.getSports(
user.getSports()),
),
),
),
),
),
],
),
);
}
}```