mirror of
https://github.com/stonega/tsacdop
synced 2024-12-12 16:39:04 +01:00
241 lines
10 KiB
Dart
241 lines
10 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:flutter/services.dart';
|
|
import 'package:provider/provider.dart';
|
|
import '../state/settingstate.dart';
|
|
import '../home/home.dart';
|
|
import '../util/pageroute.dart';
|
|
import '../util/context_extension.dart';
|
|
import 'fourthpage.dart';
|
|
import 'secondpage.dart';
|
|
import 'thirdpage.dart';
|
|
import 'firstpage.dart';
|
|
|
|
enum Goto { home, settings }
|
|
|
|
class SlideIntro extends StatefulWidget {
|
|
final Goto goto;
|
|
SlideIntro({this.goto, Key key}) : super(key: key);
|
|
|
|
@override
|
|
_SlideIntroState createState() => _SlideIntroState();
|
|
}
|
|
|
|
class _SlideIntroState extends State<SlideIntro> {
|
|
List<BoxShadow> _customShadow = [
|
|
BoxShadow(blurRadius: 2, offset: Offset(-2, -2), color: Colors.white54),
|
|
BoxShadow(
|
|
blurRadius: 8,
|
|
offset: Offset(2, 2),
|
|
color: Colors.grey[600].withOpacity(0.4))
|
|
];
|
|
PageController _controller;
|
|
double _position;
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_position = 0;
|
|
_controller = PageController()
|
|
..addListener(() {
|
|
setState(() {
|
|
_position = _controller.page;
|
|
});
|
|
});
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_controller.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return AnnotatedRegion<SystemUiOverlayStyle>(
|
|
value: SystemUiOverlayStyle(
|
|
statusBarBrightness: Brightness.light,
|
|
systemNavigationBarIconBrightness: Brightness.dark),
|
|
child: Scaffold(
|
|
backgroundColor: Colors.grey[100],
|
|
body: Container(
|
|
child: Stack(
|
|
children: <Widget>[
|
|
PageView(
|
|
physics: const PageScrollPhysics(),
|
|
controller: _controller,
|
|
scrollDirection: Axis.horizontal,
|
|
children: <Widget>[
|
|
FirstPage(),
|
|
SecondPage(),
|
|
ThirdPage(),
|
|
FourthPage(),
|
|
],
|
|
),
|
|
Positioned(
|
|
bottom: 0,
|
|
left: 0,
|
|
child: Container(
|
|
color: Colors.grey[100].withOpacity(0.5),
|
|
width: MediaQuery.of(context).size.width,
|
|
// alignment: Alignment.center,
|
|
padding:
|
|
EdgeInsets.only(left: 40, right: 20, bottom: 30, top: 20),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: <Widget>[
|
|
Expanded(
|
|
child: Container(
|
|
alignment: Alignment.centerLeft,
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.center,
|
|
mainAxisAlignment: MainAxisAlignment.start,
|
|
children: <Widget>[
|
|
Container(
|
|
alignment: Alignment.center,
|
|
child: _position < 0.2
|
|
? Text(
|
|
'1',
|
|
style: TextStyle(
|
|
color: Color.fromRGBO(
|
|
35, 204, 198, 1)),
|
|
)
|
|
: Center(),
|
|
margin: EdgeInsets.symmetric(horizontal: 10),
|
|
height: _position > 1
|
|
? 10
|
|
: (1 - _position) * 10 + 10,
|
|
width: _position > 1
|
|
? 10
|
|
: (1 - _position) * 10 + 10,
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
color: Colors.white,
|
|
boxShadow: _customShadow),
|
|
),
|
|
Container(
|
|
child: _position < 1.2 && _position > 0.8
|
|
? Text('2',
|
|
style: TextStyle(
|
|
color: Color.fromRGBO(
|
|
77, 145, 190, 1)))
|
|
: Center(),
|
|
alignment: Alignment.center,
|
|
margin: EdgeInsets.symmetric(horizontal: 10),
|
|
height: _position > 2
|
|
? 10
|
|
: 20 - (_position - 1).abs() * 10,
|
|
width: _position > 2
|
|
? 10
|
|
: 20 - (_position - 1).abs() * 10,
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
color: Colors.white,
|
|
boxShadow: _customShadow),
|
|
),
|
|
Container(
|
|
child: _position < 2.2 && _position > 1.8
|
|
? Text('3',
|
|
style: TextStyle(
|
|
color: Color.fromRGBO(
|
|
35, 204, 198, 1)))
|
|
: Center(),
|
|
alignment: Alignment.center,
|
|
margin: EdgeInsets.symmetric(horizontal: 10),
|
|
height: _position < 1
|
|
? 10
|
|
: 20 - (_position - 2).abs() * 10,
|
|
width: _position < 1
|
|
? 10
|
|
: 20 - (_position - 2).abs() * 10,
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
color: Colors.white,
|
|
boxShadow: _customShadow),
|
|
),
|
|
Container(
|
|
child: _position > 2.8
|
|
? Text(
|
|
'4',
|
|
style: TextStyle(
|
|
color: Color.fromRGBO(
|
|
77, 145, 190, 1)),
|
|
)
|
|
: Center(),
|
|
alignment: Alignment.center,
|
|
margin: EdgeInsets.symmetric(horizontal: 10),
|
|
height: _position < 2
|
|
? 10
|
|
: 20 - (3 - _position) * 10,
|
|
width: _position < 2
|
|
? 10
|
|
: 20 - (3 - _position) * 10,
|
|
decoration: BoxDecoration(
|
|
shape: BoxShape.circle,
|
|
color: Colors.white,
|
|
boxShadow: _customShadow),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
Container(
|
|
alignment: Alignment.center,
|
|
height: 40,
|
|
width: 80,
|
|
decoration: BoxDecoration(
|
|
border: Border.all(width: 1, color: Colors.white),
|
|
borderRadius: BorderRadius.all(Radius.circular(20)),
|
|
color: Colors.white,
|
|
boxShadow: _customShadow,
|
|
),
|
|
child: Material(
|
|
color: Colors.transparent,
|
|
child: _position < 2.5
|
|
? InkWell(
|
|
borderRadius:
|
|
BorderRadius.all(Radius.circular(20)),
|
|
onTap: () => _controller.animateToPage(
|
|
_position.toInt() + 1,
|
|
duration: Duration(milliseconds: 200),
|
|
curve: Curves.bounceIn),
|
|
child: SizedBox(
|
|
height: 40,
|
|
width: 80,
|
|
child: Center(
|
|
child: Text(context.s.next,
|
|
style: TextStyle(
|
|
color: Colors.black)))))
|
|
: InkWell(
|
|
borderRadius:
|
|
BorderRadius.all(Radius.circular(20)),
|
|
onTap: () {
|
|
if (widget.goto == Goto.home) {
|
|
Navigator.push(context,
|
|
SlideLeftRoute(page: Home()));
|
|
Provider.of<SettingState>(context,
|
|
listen: false)
|
|
.saveShowIntro(1);
|
|
} else if (widget.goto == Goto.settings) {
|
|
Navigator.pop(context);
|
|
}
|
|
},
|
|
child: SizedBox(
|
|
height: 40,
|
|
width: 80,
|
|
child: Center(
|
|
child: Text(context.s.done,
|
|
style: TextStyle(
|
|
color: Colors.black))))),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|