我正在嘗試實作一個 UI，其中中心有 2 個按鈕，然后螢屏底部有 2 行固定于螢屏尺寸，我將留在它的位置，但我無法做到我的情況我正在使用 Column 并且所有其他容器和行都在其中。
模擬器上的預期結果很好
我在真實設備中得到了什么
這是代碼。
class IntroPage extends StatelessWidget {
const IntroPage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFF29F76),
body: SingleChildScrollView(
child: Column(
children: <Widget>[
Stack(
children: <Widget>[
Image.asset(
"assets/intropage.png",
fit: BoxFit.fill,
),
Padding(
padding: const EdgeInsets.only(
top: 550,
),
child: Center(
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const SignUpPage()));
},
child: Container(
width: 180,
height: 60,
decoration: BoxDecoration(
color: Colors.white,
border: Border.all(
color: Colors.white,
),
borderRadius:
const BorderRadius.all(Radius.circular(40))),
child: const Center(
child: Text(
"Sign Up",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.black),
),
),
),
),
),
),
Padding(
padding: const EdgeInsets.only(
top: 650,
),
child: Center(
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const SignInPage()));
},
child: Container(
width: 180,
height: 60,
decoration: BoxDecoration(
color: Colors.white,
border: Border.all(
color: Colors.white,
),
borderRadius:
const BorderRadius.all(Radius.circular(40))),
child: const Center(
child: Text(
"Sign In",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Color(0xFFFE6B01)),
),
),
),
),
),
),
Padding(
padding: const EdgeInsets.only(
top: 750,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Container(
height: 2,
width: 150,
color: Colors.white,
),
const Text(
" Please Read ",
style: TextStyle(color: Colors.white),
),
Container(
height: 2,
width: 150,
color: Colors.white,
),
],
),
),
Padding(
padding: const EdgeInsets.only(
top: 760,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Padding(
padding: const EdgeInsets.only(left: 20, top: 6),
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
TermsandConditions()));
},
child: const Text(
"Terms & Conditions",
style: TextStyle(
color: Colors.white,
decoration: TextDecoration.underline),
),
),
),
Padding(
padding: const EdgeInsets.only(right: 20, top: 6),
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => PrivacyPolicy()));
},
child: const Text(
"Privacy Policy",
style: TextStyle(
color: Colors.white,
decoration: TextDecoration.underline),
),
),
),
],
),
),
],
)
],
),
),
);
}
}
uj5u.com熱心網友回復：
嘗試將您的小部件包裹在里面
Positioned(
Align(
alignment: Alignment.bottomCenter,
child: _your_widget_here()
uj5u.com熱心網友回復：
不建議對布局使用固定值。堆在這里是沒有必要的。一個簡單的 Spacer Widget 就可以作業。但是有多種方法可以做到。
import 'package:flutter/material.dart';
class IntroPage extends StatelessWidget {
const IntroPage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFF29F76),
body: SingleChildScrollView(
child: Column(
children: <Widget>[
Image.asset(
"assets/intropage.png",
fit: BoxFit.fitWidth,
),
const Spacer(),
Padding(
padding: const EdgeInsets.all(8.0),
child: Center(
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const SignUpPage()));
},
child: Container(
width: 180,
height: 60,
decoration: BoxDecoration(
color: Colors.white,
border: Border.all(
color: Colors.white,
),
borderRadius:
const BorderRadius.all(Radius.circular(40))),
child: const Center(
child: Text(
"Sign Up",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.black),
),
),
),
),
),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: Center(
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const SignInPage()));
},
child: Container(
width: 180,
height: 60,
decoration: BoxDecoration(
color: Colors.white,
border: Border.all(
color: Colors.white,
),
borderRadius:
const BorderRadius.all(Radius.circular(40))),
child: const Center(
child: Text(
"Sign In",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Color(0xFFFE6B01)),
),
),
),
),
),
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Container(
height: 2,
width: 150,
color: Colors.white,
),
const Text(
" Please Read ",
style: TextStyle(color: Colors.white),
),
Container(
height: 2,
width: 150,
color: Colors.white,
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Padding(
padding: const EdgeInsets.only(left: 20, top: 6),
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
TermsandConditions()));
},
child: const Text(
"Terms & Conditions",
style: TextStyle(
color: Colors.white,
decoration: TextDecoration.underline),
),
),
),
Padding(
padding: const EdgeInsets.only(right: 20, top: 6),
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => PrivacyPolicy()));
},
child: const Text(
"Privacy Policy",
style: TextStyle(
color: Colors.white,
decoration: TextDecoration.underline),
),
),
),
],
),
],
),
),
);
}
}
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