primer_flutter 1.0.0 
primer_flutter: ^1.0.0 copied to clipboard
groovinchip.devFlutter themes consistent with GitHub's Primer style guidelines
import 'package:flutter/material.dart';
import 'package:flutter_syntax_view/flutter_syntax_view.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:primer_flutter/primer_flutter.dart' hide Border;
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Primer Demo',
builder: (context, child) => PrimerApp(
parentBrightness: Theme.of(context).brightness,
child: child!,
),
theme: ThemeData.light(),
darkTheme: ThemeData.dark(),
themeMode: ThemeMode.dark,
home: const MyHomePage(),
);
}
}
class MyHomePage extends StatelessWidget {
const MyHomePage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
final primerTheme = PrimerTheme.of(context);
return Scaffold(
backgroundColor: primerTheme.canvas.dflt,
body: CustomScrollView(
slivers: [
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
'Typography',
style: primerTheme.typography.h1,
),
),
),
SliverPadding(
padding: const EdgeInsets.all(8.0),
sliver: SliverList(
delegate: SliverChildListDelegate(
[
Text('Heading styles', style: primerTheme.typography.h2),
Divider(color: primerTheme.neutral.emphasis),
RichText(
text: TextSpan(
style: TextStyle(
color: primerTheme.foreground.dflt,
),
children: [
const TextSpan(text: 'Use '),
WidgetSpan(
child: DecoratedBox(
decoration: BoxDecoration(
color: primerTheme.neutral.muted,
borderRadius: BorderRadius.circular(6),
),
child: Padding(
padding:
const EdgeInsets.symmetric(horizontal: 6.0),
child: Text(
'PrimerTypography.h1',
style: GoogleFonts.jetBrainsMono(),
),
),
),
),
const TextSpan(text: ' - '),
WidgetSpan(
child: DecoratedBox(
decoration: BoxDecoration(
color: primerTheme.neutral.muted,
borderRadius: BorderRadius.circular(6),
),
child: Padding(
padding:
const EdgeInsets.symmetric(horizontal: 6.0),
child: Text(
'PrimerTypography.h6',
style: GoogleFonts.jetBrainsMono(),
),
),
),
),
const TextSpan(
text:
' to change the font size and weight to match Primer\'s styles.',
),
],
),
),
const SizedBox(height: 8),
DecoratedBox(
decoration: BoxDecoration(
border: Border.all(
color: primerTheme.neutral.muted,
width: 1,
),
borderRadius: BorderRadius.circular(6),
),
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text('Heading 1', style: primerTheme.typography.h1),
const SizedBox(height: 8),
Text('Heading 2', style: primerTheme.typography.h2),
const SizedBox(height: 8),
Text('Heading 3', style: primerTheme.typography.h3),
const SizedBox(height: 8),
Text('Heading 4', style: primerTheme.typography.h4),
const SizedBox(height: 8),
Text('Heading 5', style: primerTheme.typography.h5),
const SizedBox(height: 8),
Text('Heading 6', style: primerTheme.typography.h6),
],
),
),
),
const SizedBox(height: 24),
Text(
'Typographic styles',
style: primerTheme.typography.h2,
),
Divider(color: primerTheme.neutral.emphasis),
RichText(
text: TextSpan(
style: TextStyle(
color: primerTheme.foreground.dflt,
),
children: [
const TextSpan(
text:
'Change the font weight, styles, and alignment with these '),
WidgetSpan(
child: DecoratedBox(
decoration: BoxDecoration(
color: primerTheme.neutral.muted,
borderRadius: BorderRadius.circular(6),
),
child: Padding(
padding:
const EdgeInsets.symmetric(horizontal: 6.0),
child: Text(
'TextStyle',
style: GoogleFonts.jetBrainsMono(),
),
),
),
),
const TextSpan(text: 's.'),
],
),
),
const SizedBox(height: 8),
DecoratedBox(
decoration: BoxDecoration(
border: Border.all(
color: primerTheme.neutral.muted,
width: 1,
),
borderRadius: BorderRadius.circular(6),
),
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text('Normal', style: primerTheme.typography.normal),
const SizedBox(height: 8),
Text('Italic', style: primerTheme.typography.italic),
const SizedBox(height: 8),
Text('Bold', style: primerTheme.typography.bold),
const SizedBox(height: 8),
Text('Semi-bold',
style: primerTheme.typography.semiBold),
const SizedBox(height: 8),
Text('Light', style: primerTheme.typography.light),
const SizedBox(height: 8),
Text(
'Underline',
style: primerTheme.typography.underline,
),
const SizedBox(height: 8),
Text('Small', style: primerTheme.typography.small),
const SizedBox(height: 8),
Text(
'Small bold',
style: primerTheme.typography.smallBold,
),
const SizedBox(height: 8),
Text('Monospace', style: primerTheme.typography.mono),
const SizedBox(height: 8),
Text('Lead', style: primerTheme.typography.lead),
],
),
),
),
],
),
),
),
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
'Colors',
style: primerTheme.typography.h1,
),
),
),
SliverPadding(
padding: const EdgeInsets.all(8.0),
sliver: SliverList(
delegate: SliverChildListDelegate(
[
const Text(
'You can use the colors below in the following ways:'),
const SizedBox(height: 8),
Row(
children: [
SyntaxView(
code:
'''/// 1: Via the current `PrimerThemeData` (recommended)
PrimerTheme.of(context).foreground.dflt;
PrimerTheme.of(context).accent.foreground;
/// 2: Via the color classes themselves (not recommended)
Accent().foreground;
Attention.dark().foreground;''',
syntax: Syntax.DART,
syntaxTheme: SyntaxTheme.vscodeDark(),
withZoom: false,
fontSize: 14.0,
),
],
),
const SizedBox(height: 8),
Text(
'Foreground',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'The primary color for text and icons in any given interface.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.foreground.dflt,
label: 'default',
),
ColorCell(
color: primerTheme.foreground.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.foreground.subtle,
label: 'subtle',
),
ColorCell(
color: primerTheme.foreground.onEmphasis,
label: 'onEmphasis',
),
],
),
const SizedBox(height: 16),
Text(
'Canvas',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors used for the backgrounds of user interfaces.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.canvas.dflt,
label: 'default',
),
ColorCell(
color: primerTheme.canvas.overlay,
label: 'overlay',
),
ColorCell(
color: primerTheme.canvas.inset,
label: 'inset',
),
ColorCell(
color: primerTheme.canvas.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Border',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors used for drawing borders.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.border.dflt,
label: 'default',
),
ColorCell(
color: primerTheme.border.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.border.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Neutral',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors used to highlight content without any added meaning.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.neutral.emphasisPlus,
label: 'emphasisPlus',
),
ColorCell(
color: primerTheme.neutral.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.neutral.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.neutral.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Accent',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for drawing attention to interactive elements, like links or buttons.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.accent.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.accent.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.accent.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.accent.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Success',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for emphasizing a positive message. Commonly used to expresses the completion or positive outcome of a task.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.success.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.success.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.success.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.success.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Attention',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for highlighting text or icons that require the user\'s attention. Commonly used to warn of pending tasks or to highlight active content.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.attention.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.attention.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.attention.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.attention.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Severe',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for emphasizing a level of severity between Attention and Danger. Commonly used when there are more than 3 levels of states, for example in heatmaps.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.severe.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.severe.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.severe.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.severe.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Danger',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for emphasizing an error or a blocking status. Action is required. Commonly used to inform of errors or other negative messages.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.danger.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.danger.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.danger.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.danger.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Open',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for styling UI elements that refer to open tasks or workflows.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.open.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.open.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.open.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.open.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Closed',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for styling UI elements that refer to closed tasks or workflows.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.closed.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.closed.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.closed.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.closed.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Done',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Completion colors for productivity and code review workflows.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.done.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.done.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.done.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.done.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
Text(
'Sponsors',
style: primerTheme.typography.h3,
),
const SizedBox(height: 8),
Text(
'Colors for styling Sponsors-related UI.',
style: primerTheme.typography.h6,
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
children: [
ColorCell(
color: primerTheme.sponsors.foreground,
label: 'foreground',
),
ColorCell(
color: primerTheme.sponsors.emphasis,
label: 'emphasis',
),
ColorCell(
color: primerTheme.sponsors.muted,
label: 'muted',
),
ColorCell(
color: primerTheme.sponsors.subtle,
label: 'subtle',
),
],
),
const SizedBox(height: 16),
],
),
),
),
],
),
);
}
}
class ColorCell extends StatelessWidget {
const ColorCell({
Key? key,
required this.color,
required this.label,
}) : super(key: key);
final Color color;
final String label;
@override
Widget build(BuildContext context) {
final primerTheme = PrimerTheme.of(context);
Color labelColor =
color.computeLuminance() > 0.5 ? Colors.black : Colors.white;
return SizedBox(
height: 70,
width: 150,
child: DecoratedBox(
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(6),
),
child: Center(
child: Text(
label,
style: primerTheme.typography.h4.copyWith(
color: labelColor,
),
),
),
),
);
}
}Metadata
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Metadata
Flutter themes consistent with GitHub's Primer style guidelines
Repository (GitHub)
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Documentation
License
MIT (license)
