input_quantity 2.5.0 
input_quantity: ^2.5.0 copied to clipboard
pmatatias.devA widget for input quantity. Built with TextFormField. Type manually or increase and decrease value with the btn
import 'package:flutter/material.dart';
import 'package:input_quantity/input_quantity.dart';
// import 'package:input_quantity/input_quantity.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Input Quantity Example',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Input Quantity'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final _formKey = GlobalKey<FormState>();
final TextEditingController _controller = TextEditingController();
int qtyInt = 123;
double qtyDouble = 12.0;
@override
Widget build(BuildContext context) {
return Scaffold(
// appBar: AppBar(title: Text(widget.title)),
body: SingleChildScrollView(
child: Form(
key: _formKey,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Padding(
padding: EdgeInsets.all(8.0),
child: Text(
'INPUT QUANTITY',
style: TextStyle(fontSize: 24, fontWeight: FontWeight.w500),
),
),
const Padding(
padding: EdgeInsets.all(14.0),
child: Text(
'by: pmatatias.dev',
style: TextStyle(fontSize: 14, color: Colors.blue),
),
),
const Divider(),
const Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
InputQty(
maxVal: 50,
initVal: 10,
steps: 10,
minVal: -50,
qtyFormProps: QtyFormProps(enableTyping: false),
decoration: QtyDecorationProps(
isBordered: false,
minusBtn: Icon(
Icons.flight_land_rounded,
color: Colors.purple,
),
plusBtn:
Icon(Icons.flight_takeoff, color: Colors.indigo),
),
),
SizedBox(width: 30),
Expanded(
child: Text(
"- Output: int,double, num\n- initVal, maxVal, minVal, steps \n- Custom: icon,decoration,etc"),
)
],
),
const Divider(height: 30),
const Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
InputQty(
decoration: QtyDecorationProps(
isBordered: false,
borderShape: BorderShapeBtn.circle,
width: 12)),
SizedBox(width: 30),
Expanded(
child: Text(
"- Ontap\n- Longpress \n- Typing input Manually"))
],
),
const Divider(),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
InputQty(
qtyFormProps: QtyFormProps(
controller: _controller,
),
),
const SizedBox(width: 30),
const Expanded(
child: Text("use controller to get value (string)"),
)
],
),
const Divider(height: 50),
InputQty(
maxVal: 100,
qtyFormProps: QtyFormProps(
controller: _controller,
),
),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Column(
children: [
const Padding(
padding: EdgeInsets.all(8.0),
child: Text('Use validator')),
InputQty(
initVal: 0,
steps: 10,
minVal: -100,
maxVal: 100,
validator: (value) {
if (value == null) {
return "Required field";
} else if (value >= 200) {
return "More than available quantity";
}
return null;
},
),
],
),
const Center(
child: Text(
"OR",
style: TextStyle(fontSize: 20, color: Colors.black),
)),
Column(
children: [
const Padding(
padding: EdgeInsets.only(bottom: 8.0),
child: Text(
'Message builder',
),
),
InputQty(
initVal: 0,
minVal: -100,
maxVal: 100,
steps: 2,
messageBuilder: (minVal, maxVal, value) {
if (value == null) return null;
if (value < -20) {
return const Text(
"Reach my limit",
style: TextStyle(color: Colors.red),
textAlign: TextAlign.center,
);
} else if (value > 20) {
return const Text(
"Reach my limit",
style: TextStyle(color: Colors.red),
textAlign: TextAlign.center,
);
} else {
return Text("Value : $value",
textAlign: TextAlign.center);
}
},
),
],
),
],
),
const Divider(height: 50),
const Row(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Column(
children: [
Padding(
padding: EdgeInsets.all(8.0),
child: Text('integer')),
InputQty.int(
initVal: 0,
steps: 10,
minVal: -100,
),
],
),
Center(
child: Text(
"OR",
style: TextStyle(
fontSize: 20,
color: Colors.black,
),
)),
Column(
children: [
Padding(
padding: EdgeInsets.all(8.0),
child: Text(
'double',
),
),
InputQty(
// decimalPlaces: 4,
initVal: 0.0,
minVal: -100.0,
maxVal: 100.0,
steps: 0.1,
),
],
),
],
),
const SizedBox(height: 30),
const Divider(),
const Text("Custom Border:"),
const SizedBox(height: 12),
ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 200),
child: InputQty(
isIntrinsicWidth: false,
qtyFormProps: const QtyFormProps(),
decoration: QtyDecorationProps(
qtyStyle: QtyStyle.btnOnRight,
border: OutlineInputBorder(
borderSide:
const BorderSide(width: 5, color: Colors.green),
borderRadius: BorderRadius.circular(6)),
minusBtn: const Padding(
padding: EdgeInsets.symmetric(horizontal: 8.0),
child: Icon(Icons.keyboard_arrow_down_sharp,
color: Colors.blue),
),
plusBtn: const Padding(
padding: EdgeInsets.symmetric(horizontal: 8.0),
child: Icon(
Icons.keyboard_arrow_up,
color: Colors.blue,
),
)),
onQtyChanged: (val) {},
),
),
const Divider(height: 30),
// ElevatedButton(
// onPressed: () {
// _formKey.currentState!.validate();
// },
// child: const Text("validate")),
// const Divider(),
const Text("Style options:"),
const SizedBox(height: 12),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
InputQty.int(
messageBuilder: (minVal, maxVal, value) => const Text(
"Button on Left",
textAlign: TextAlign.center),
decoration: const QtyDecorationProps(
qtyStyle: QtyStyle.btnOnLeft,
width: 12,
fillColor: Colors.black12,
isBordered: false,
borderShape: BorderShapeBtn.square),
),
InputQty.int(
messageBuilder: (minVal, maxVal, value) => const Text(
"Button on Right",
textAlign: TextAlign.center),
qtyFormProps:
const QtyFormProps(cursorColor: Colors.amber),
decoration: const QtyDecorationProps(
qtyStyle: QtyStyle.btnOnRight,
width: 12,
fillColor: Colors.black12,
isBordered: false,
borderShape: BorderShapeBtn.square),
),
],
),
const SizedBox(height: 30),
InputQty.int(
messageBuilder: (minVal, maxVal, value) =>
const Text("Classic", textAlign: TextAlign.center),
decoration: const QtyDecorationProps(
qtyStyle: QtyStyle.classic,
width: 12,
fillColor: Colors.black12,
isBordered: false,
borderShape: BorderShapeBtn.none),
),
const SizedBox(height: 30),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
InputQty.int(
messageBuilder: (minVal, maxVal, value) => const Text(
"Button on Right Horizontal",
textAlign: TextAlign.center),
qtyFormProps:
const QtyFormProps(cursorColor: Colors.amber),
decoration: const QtyDecorationProps(
qtyStyle: QtyStyle.btnOnLeft,
width: 12,
orientation: ButtonOrientation.horizontal,
isBordered: false,
borderShape: BorderShapeBtn.square),
),
InputQty.int(
messageBuilder: (minVal, maxVal, value) => const Text(
"Button on Right Horizontal",
textAlign: TextAlign.center),
qtyFormProps:
const QtyFormProps(cursorColor: Colors.amber),
decoration: const QtyDecorationProps(
qtyStyle: QtyStyle.btnOnRight,
width: 12,
orientation: ButtonOrientation.horizontal,
isBordered: false,
borderShape: BorderShapeBtn.square),
),
],
),
// IconButton(
// onPressed: () => Navigator.push(
// context,
// MaterialPageRoute(
// builder: (context) => const Example1(),
// )),
// icon: const Icon(Icons.exit_to_app))
],
),
),
),
),
);
}
}Metadata
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likes
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pub points
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popularity
Publisher
Metadata
A widget for input quantity. Built with TextFormField. Type manually or increase and decrease value with the btn
Homepage
Repository (GitHub)
View/report issues
Contributing
Topics
#input-quantity #quantity-input #number-input
Documentation
Funding
Consider supporting this project:
www.buymeacoffee.com
License
MIT (license)
