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StepperWithForm.dart
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StepperWithForm.dart
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import 'package:flutter/material.dart';
//import 'package:validate/validate.dart'; //for validation
void main() {
runApp(new MyApp());
}
class MyApp extends StatefulWidget {
@override
State<StatefulWidget> createState() {
return new MyAppScreenMode();
}
}
class MyData {
String name = '';
String phone = '';
String email = '';
String age = '';
}
class MyAppScreenMode extends State<MyApp> {
@override
Widget build(BuildContext context) {
return new MaterialApp(
theme: new ThemeData(
primarySwatch: Colors.lightGreen,
),
home: new Scaffold(
appBar: new AppBar(
title: new Text('Steppers'),
),
body: new StepperBody(),
));
}
}
class StepperBody extends StatefulWidget {
@override
_StepperBodyState createState() => new _StepperBodyState();
}
class _StepperBodyState extends State<StepperBody> {
int currStep = 0;
static var _focusNode = new FocusNode();
GlobalKey<FormState> _formKey = new GlobalKey<FormState>();
static MyData data = new MyData();
@override
void initState() {
super.initState();
_focusNode.addListener(() {
setState(() {});
print('Has focus: $_focusNode.hasFocus');
});
}
@override
void dispose() {
_focusNode.dispose();
super.dispose();
}
List<Step> steps = [
new Step(
title: const Text('Name'),
//subtitle: const Text('Enter your name'),
isActive: true,
//state: StepState.error,
state: StepState.indexed,
content: new TextFormField(
focusNode: _focusNode,
keyboardType: TextInputType.text,
autocorrect: false,
onSaved: (String value) {
data.name = value;
},
maxLines: 1,
//initialValue: 'Aseem Wangoo',
validator: (value) {
if (value.isEmpty || value.length < 1) {
return 'Please enter name';
}
},
decoration: new InputDecoration(
labelText: 'Enter your name',
hintText: 'Enter a name',
//filled: true,
icon: const Icon(Icons.person),
labelStyle:
new TextStyle(decorationStyle: TextDecorationStyle.solid)),
)),
new Step(
title: const Text('Phone'),
//subtitle: const Text('Subtitle'),
isActive: true,
//state: StepState.editing,
state: StepState.indexed,
content: new TextFormField(
keyboardType: TextInputType.phone,
autocorrect: false,
validator: (value) {
if (value.isEmpty || value.length < 10) {
return 'Please enter valid number';
}
},
onSaved: (String value) {
data.phone = value;
},
maxLines: 1,
decoration: new InputDecoration(
labelText: 'Enter your number',
hintText: 'Enter a number',
icon: const Icon(Icons.phone),
labelStyle:
new TextStyle(decorationStyle: TextDecorationStyle.solid)),
)),
new Step(
title: const Text('Email'),
// subtitle: const Text('Subtitle'),
isActive: true,
state: StepState.indexed,
// state: StepState.disabled,
content: new TextFormField(
keyboardType: TextInputType.emailAddress,
autocorrect: false,
validator: (value) {
if (value.isEmpty || !value.contains('@')) {
return 'Please enter valid email';
}
},
onSaved: (String value) {
data.email = value;
},
maxLines: 1,
decoration: new InputDecoration(
labelText: 'Enter your email',
hintText: 'Enter a email address',
icon: const Icon(Icons.email),
labelStyle:
new TextStyle(decorationStyle: TextDecorationStyle.solid)),
)),
new Step(
title: const Text('Age'),
// subtitle: const Text('Subtitle'),
isActive: true,
state: StepState.indexed,
content: new TextFormField(
keyboardType: TextInputType.number,
autocorrect: false,
validator: (value) {
if (value.isEmpty || value.length > 2) {
return 'Please enter valid age';
}
},
maxLines: 1,
onSaved: (String value) {
data.age = value;
},
decoration: new InputDecoration(
labelText: 'Enter your age',
hintText: 'Enter age',
icon: const Icon(Icons.explicit),
labelStyle:
new TextStyle(decorationStyle: TextDecorationStyle.solid)),
)),
// new Step(
// title: const Text('Fifth Step'),
// subtitle: const Text('Subtitle'),
// isActive: true,
// state: StepState.complete,
// content: const Text('Enjoy Step Fifth'))
];
@override
Widget build(BuildContext context) {
void showSnackBarMessage(String message,
[MaterialColor color = Colors.red]) {
Scaffold
.of(context)
.showSnackBar(new SnackBar(content: new Text(message)));
}
void _submitDetails() {
final FormState formState = _formKey.currentState;
if (!formState.validate()) {
showSnackBarMessage('Please enter correct data');
} else {
formState.save();
print("Name: ${data.name}");
print("Phone: ${data.phone}");
print("Email: ${data.email}");
print("Age: ${data.age}");
showDialog(
context: context,
child: new AlertDialog(
title: new Text("Details"),
//content: new Text("Hello World"),
content: new SingleChildScrollView(
child: new ListBody(
children: <Widget>[
new Text("Name : " + data.name),
new Text("Phone : " + data.phone),
new Text("Email : " + data.email),
new Text("Age : " + data.age),
],
),
),
actions: <Widget>[
new FlatButton(
child: new Text('OK'),
onPressed: () {
Navigator.of(context).pop();
},
),
],
));
}
}
return new Container(
child: new Form(
key: _formKey,
child: new ListView(children: <Widget>[
new Stepper(
steps: steps,
type: StepperType.vertical,
currentStep: this.currStep,
onStepContinue: () {
setState(() {
if (currStep < steps.length - 1) {
currStep = currStep + 1;
} else {
currStep = 0;
}
// else {
// Scaffold
// .of(context)
// .showSnackBar(new SnackBar(content: new Text('$currStep')));
// if (currStep == 1) {
// print('First Step');
// print('object' + FocusScope.of(context).toStringDeep());
// }
// }
});
},
onStepCancel: () {
setState(() {
if (currStep > 0) {
currStep = currStep - 1;
} else {
currStep = 0;
}
});
},
onStepTapped: (step) {
setState(() {
currStep = step;
});
},
),
new RaisedButton(
child: new Text(
'Save details',
style: new TextStyle(color: Colors.white),
),
onPressed: _submitDetails,
color: Colors.blue,
),
]),
));
}
}