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neumorphic ui

flutter_neumorphic #
A complete, ready to use, Neumorphic ui kit for Flutter

Try Flutter-Neumorphic on your browser : 👉 https://flutter-neumorphic.firebaseapp.com/ 🌐

⚙️ Installation #
https://pub.dev/packages/flutter_neumorphic

dependencies:
flutter_neumorphic: ^3.0.3

//requires flutter > 1.13.18
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The in your .dart files
import 'package:flutter_neumorphic/flutter_neumorphic.dart';
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🗂 Widgets #

Preview
Widget
Description

Neumorphic
The main Neumorphic Widget, a container which adds white/dark gradient depending on a lightsource and a depth

NeumorphicButton
A neumorphic button that plays with the depth to respond to user interraction

NeumorphicRadio
A set of neumorphic button whith only one selected at time, depending on a value and groupValue

NeumorphicCheckbox
A button associated with a value, can be checked/unckecked, if checked, takes the accent color

NeumorphicText
A Neumorphic text (only work with positive depth)

NeumorphicIcon
A Neumorphic icon (only work with positive depth)

material.TextField
For TextFields, just surround your existing material textfield widget with a Neumorphic (container)

NeumorphicSwitch
An On/Off toggle, associated with a value, if toggled, takes the accent color

NeumorphicToggle
An mutiple value toggle, associated with a selecteedIndex

NeumorphicSlider
A Neumorphic seekbar (range slider), the user can select a value in a range

NeumorphicProgress
A determinate progress, takes the displayed percentage

NeumorphicProgressIndeterminate
An inderminate progress-bar

NeumorphicBackground
Take the background color of the theme, can clip the screen with a borderRadius

NeumorphicApp
An application that uses Neumorphic design. Handle theme, navigation, localisation, and much more

NeumorphicAppBar
A Neumorphhic design app bar. Can be used inside Scaffold

👀 Showcases #

📦 Neumorphic #

Neumorphic(
style: NeumorphicStyle(
shape: NeumorphicShape.concave,
boxShape: NeumorphicBoxShape.roundRect(BorderRadius.circular(12)),
depth: 8,
lightSource: LightSource.topLeft,
color: Colors.grey
),
child: ...
)
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☝️ Playing with LightSource & Depth
🛠️ Attributes #

Attributes
Values
Description

LightSource
TopLeft, BottomRight, etc. / (dx, dy)
The source of light specifit to the theme or the widget, used to project white/dark shadows on neumorphic elements

Shape
Concave / Convex / Flat
The shape of the curve used in the neumorphic container

Depth
-20 <= double <= 20
The distance of the widget to his parent. Can be negative => emboss. It influences on the shadow's color and its size/blur

Intensity
0 <= double <= 1
The intensity of the Light, it influences on the shadow's color

SurfaceIntensity
0 <= double <= 1
The intensity of the Surface, it influences on the concave/convex darkness

Color
any Color
The default color of Neumorphic elements

Accent
any Color
The default accent color of the Neumorphic element when activated (eg: checkbox)

Variant
any Color
The default secondary color of the Neumorphic element (eg: used as second color on the progress gradient)

BoxShape
Circle, RoundRect(radius), Stadium, Path
The box shape of a Neumorphic element. Stadium : roundrect with cirlces on each side

Border
NeumorphicBorder
A border (color/width) to enhance contrast with background and others elements

🔧 Shapes #

Shape
Widget
Image
Condition

Flat

depth >= 0 && shape == Flat

Convex

depth >= 0 && shape == Convex

Concave

depth >= 0 && shape == Concave

Emboss

depth < 0

Neumorphic Text #

Text only handle positive depth
child: NeumorphicText(
"I love flutter",
style: NeumorphicStyle(
depth: 4, //customize depth here
color: Colors.white, //customize color here
),
textStyle: NeumorphicTextStyle(
fontSize: 18, //customize size here
// AND others usual text style properties (fontFamily, fontWeight, ...)
),
),
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Neumorphic Icon #

child: NeumorphicIcon(
Icons.add_circle,
size: 80,
),
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How to display SVG icons ?
Simply use https://fluttericon.com/ to export your svg as .ttf & use NeumorphicIcon(YOUR_ICON)

🎨 Custom Shape #

Flutter Neumorphic supports custom shapes, just provide a path to
class MyShapePathProvider extends NeumorphicPathProvider {
@override
bool shouldReclip(NeumorphicPathProvider oldClipper) {
return true;
}

@override
Path getPath(Size size) {
return Path()
..moveTo(0, 0)
..lineTo(size.width/2, 0)
..lineTo(size.width, size.height/2)
..lineTo(size.width/2, size.height/2)
..lineTo(size.width, size.height)
..lineTo(0, size.height)
..close();
}
}
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And use NeumorphicBoxShape.path
Neumorphic(
style: NeumorphicStyle(
boxShape: NeumorphicBoxShape.path(MyShapePathProvider()),
),
...
),
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You can import the Flutter logo as a custom shape using
Neumorphic(
style: NeumorphicStyle(
shape: NeumorphicBoxShape.path(NeumorphicFlutterLogoPathProvider()),
),
...
),
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🔲 Accessibility / Border #
For design purposes, or simply to enhance accessibility,
you can add a border on Neumorphic widgets

Neumorphic(
style: NeumorphicStyle(
border: NeumorphicBorder(
color: Color(0x33000000),
width: 0.8,
)
),
...
)
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You can enable/disable it (eg: listening an Accessibility Provider) with isEnabled
border: NeumorphicBorder(
isEnabled: true,
color: Color(0x33000000),
width: 0.8,
)
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Note that borderColor and borderWidth default values has been added to NeumorphicThemeData
🎨 Neumorphic Theme #

NeumorphicTheme(
themeMode: ThemeMode.light, //or dark / system
darkTheme: NeumorphicThemeData(
baseColor: Color(0xff333333),
accentColor: Colors.green,
lightSource: LightSource.topLeft,
depth: 4,
intensity: 0.3,
),
theme: NeumorphicThemeData(
baseColor: Color(0xffDDDDDD),
accentColor: Colors.cyan,
lightSource: LightSource.topLeft,
depth: 6,
intensity: 0.5,
),
child: ...
)
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To retrieve the current used theme :
final theme = NeumorphicTheme.currentTheme(context);
final baseColor = theme.baseColor;
final accentColor = theme.accentColor;
...
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Toggle from light to dark
NeumorphicTheme.of(context).themeMode = ThemeMode.dark;
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Know if using dark
if(NeumorphicTheme.of(context).isUsingDark){

}
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NeumorphicApp #
You can use direcly in your project a NeumorphicApp, surrounding your code
It handle directly NeumorphicTheme & Navigation (and all possibilities of MaterialApp )
void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return NeumorphicApp(
debugShowCheckedModeBanner: false,
title: 'Neumorphic App',
themeMode: ThemeMode.light,
theme: NeumorphicThemeData(
baseColor: Color(0xFFFFFFFF),
lightSource: LightSource.topLeft,
depth: 10,
),
darkTheme: NeumorphicThemeData(
baseColor: Color(0xFF3E3E3E),
lightSource: LightSource.topLeft,
depth: 6,
),
home: MyHomePage(),
);
}
}
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What's neumorphic #

Material Cards #
A Modern / Material (upgraded) card usually is a surface floating on top of our perceived background and casting a shadow onto it. The shadow both gives it depth and also in many cases defines the shape itself — as it’s quite often borderless.
Neumorphic cards #
Neumorphic card however pretends to extrude from the background. It’s a raised shape made from the exact same material as the background. When we look at it from the side we see that it doesn’t “float”.

Here's a Nereumorphic Button tap (slowed x2) from the sample app, you can see how the element seems to change its depth to its surface.
👥 Contributors #

Contributors

Florent Champigny

Olivier Bonvila

Gyl Jean Lambert

Jimmy Aumard

Overman775

schopy

📄 License #
Flutter-Neumorphic is released under the Apache2 license.
See LICENSE for details.
If you use the open-source library in your project, please make sure to credit and backlink to www.idean.com