Use showModalBottomSheet for selection
Widget chipGoal (){
return Row(
children: [
Wrap(
// space between chips
spacing: 10,
// list of chips
children: [
InkWell(
child: Chip(
label: Text('Working'),
avatar: Icon(
Icons.work,
color: Colors.red,
),
backgroundColor: Colors.amberAccent,
padding: EdgeInsets.symmetric(vertical: 5, horizontal: 10),
),
onTap: (){
showModalBottomSheet<void>(
// context and builder are
// required properties in this widget
context: context,
builder: (BuildContext context) {
return ShowPickerUnit();
},
);
},
),
Chip(
label: Text('Music'),
avatar: Icon(Icons.headphones),
backgroundColor: Colors.lightBlueAccent,
padding: EdgeInsets.symmetric(vertical: 5, horizontal: 10),
),
Chip(
label: Text('Music'),
avatar: Icon(Icons.headphones),
backgroundColor: Colors.lightBlueAccent,
padding: EdgeInsets.symmetric(vertical: 5, horizontal: 10),
),
]),
],
);
}
class ShowPickerUnit extends StatefulWidget {
const ShowPickerUnit({Key? key}) : super(key: key);
@override
_ShowPickerUnitState createState() => _ShowPickerUnitState();
}
class _ShowPickerUnitState extends State<ShowPickerUnit> {
@override
Widget build(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
Container(
decoration: BoxDecoration(
color: Color(0xffffffff),
border: Border(
bottom: BorderSide(
color: Color(0xff999999),
width: 0.0,
),
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
CupertinoButton(
child: Text('Cancel'),
onPressed: () {
Navigator.of(context).pop();
},
padding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 5.0,
),
),
DefaultTextStyle(
style: TextStyle(fontSize: 16.0,
color: Colors.black,
fontWeight: FontWeight.bold),
child: Text('Select what you want'),
),
// Text('Energy Needed', style: TextStyle(fontSize: 12.0, color: Colors.black),
// ),
CupertinoButton(
child: Text('Confirm'),
onPressed: () {
setState(() {
});
Navigator.of(context).pop();
},
padding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 5.0,
),
),
],
),
),
Expanded(
child: Container(
//width: 360,
decoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(15.0)),
),
child:
CupertinoPicker(
children: [
Text("India"),
Text("Usa"),
Text("Uk"),
Text("Australia"),
Text("Africa"),
Text("New zealand"),
Text("Germany"),
Text("Italy"),
Text("Russia"),
Text("China"),
],
onSelectedItemChanged: (value){
},
itemExtent: 25,
)
),
)]
);
} }
Please check the full code edit from your code. Actually you are using two FloatingActionButton. So you need to use two heroTag with different name. I already added in the code. No problem with NewTrip class.
import 'package:flutter/material.dart';
class MyHomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Page0(),
);
}
}
class Page0 extends StatefulWidget {
@override
_Page0State createState() => _Page0State();
}
class _Page0State extends State {
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Color(0xFF493597),
body: ListView(
children: [
Padding(
padding: EdgeInsets.only(top: 15.0, left: 10.0),
),
SizedBox(
height: 25.0,
),
Padding(
padding: EdgeInsets.only(left: 40.0),
child: Row(
children: [
Text(
'Expense',
style: TextStyle(
fontFamily: 'Montserrat',
color: Colors.white,
fontWeight: FontWeight.bold,
fontSize: 25.0),
),
SizedBox(
width: 10.0,
),
Text(
'What',
style: TextStyle(
fontFamily: 'Montserrat',
color: Colors.white,
fontSize: 25.0,
),
),
],
),
),
SizedBox(height: 60.0),
Container(
margin: EdgeInsets.only(
left: 10.0,
right: 10.0,
),
height: MediaQuery.of(context).size.height - 150,
decoration: BoxDecoration(
color: Color(0xFFFCFCFC),
borderRadius: BorderRadius.only(
topLeft: Radius.circular(75.0),
topRight: Radius.circular(75.0),
),
),
child: ListView(
primary: false,
padding: EdgeInsets.only(
left: 15.0,
right: 20.0,
top: 25.0,
),
children: [
Padding(
padding: const EdgeInsets.only(
top: 30.0,
),
child: Column(
children: [
//greeting text
Row(
children: [
Expanded(
child: Center(
child: Text(
'Hello! :)',
style: TextStyle(
fontFamily: 'Permanent-Marker',
color: Colors.black,
fontSize: 30.0,
),
),
),
),
],
),
SizedBox(
height: 30.0,
),
//add button
Row(children: [
Expanded(
flex: 1,
child: Container(
height: 100.0,
width: 100.0,
child: FittedBox(
child: FloatingActionButton(
heroTag: "btn",
elevation: 10.0,
backgroundColor: Colors.white,
child: Icon(
Icons.add,
color: Colors.black,
),
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => NewTrip()),
);
},
),
),
),
),
//add text
Expanded(
flex: 1,
child: Text(
'New trip',
style: TextStyle(
fontFamily: 'Nanum',
fontSize: 30.0,
),
),
),
]),
SizedBox(
height: 30.0,
),
//previous trip button
Row(
children: [
Expanded(
flex: 1,
child: Container(
height: 100.0,
width: 100.0,
child: FittedBox(
child: FloatingActionButton(
heroTag: "btn1",
elevation: 10.0,
backgroundColor: Colors.white,
onPressed: () {},
child: Icon(
Icons.assessment,
color: Colors.black,
),
),
),
),
),
//previous trip text
Expanded(
flex: 1,
child: Text(
'Previous trips',
style: TextStyle(
fontFamily: 'Nanum',
fontSize: 30.0,
),
),
)
],
),
SizedBox(
height: 50.0,
),
],
),
),
],
),
),
],
),
);
}
}
NewTrip class
class NewTrip extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Text('NEW TRIP'),
);
}
}
