leitmotif 2.2.0 
leitmotif: ^2.2.0 copied to clipboard
A collection of widgets and screens for Flutter implementing the Leitmotif Design Language.
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:leitmotif/leitmotif.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
void main() {
runApp(LeitmotifExample());
}
class LeitmotifExample extends StatefulWidget {
// This widget is the root of your application.
@override
_LeitmotifExampleState createState() => _LeitmotifExampleState();
}
class _LeitmotifExampleState extends State<LeitmotifExample> {
@override
void initState() {
super.initState();
ImageCacheController(
assetImages: ["assets/images/launcher_placeholder.png"],
context: context);
}
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Leitmotif',
debugShowCheckedModeBanner: false,
theme: ThemeData(
textTheme: LitSansSerifStyles.theme,
useMaterial3: true,
),
localizationsDelegates: const [
LeitmotifLocalizations.delegate,
GlobalMaterialLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
],
supportedLocales: LeitmotifLocalizations.supportedLocales,
home: ExampleHomeScreen(),
);
}
}
const String exampleText = "Lorem ipsum dolor sit amet, consetetur sadipscing" +
" elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore" +
" magna aliquyam erat, sed diam voluptua. At vero eos et accusam et " +
"justo duo dolores et ea rebum. Stet clita kasd gubergren";
const String LEITMOTIF_DESCR =
"Leitmotif enables you to create unique user interfaces in less time. " +
"Built with the framework. Whose Widgets include custom " +
"implementation of Snackbars, AppBars and Utility Screens " +
"(e.g. to verify the user's age and to show the application's" +
" licenses).";
class ExampleHomeScreen extends StatefulWidget {
ExampleHomeScreen({Key? key}) : super(key: key);
@override
_ExampleHomeScreenState createState() => _ExampleHomeScreenState();
}
class _ExampleHomeScreenState extends State<ExampleHomeScreen> {
bool shouldHideNavigationBar = false;
bool dark = false;
void toggleShouldHideNavigationBar() {
setState(() {
shouldHideNavigationBar = !shouldHideNavigationBar;
});
}
@override
Widget build(BuildContext context) {
print("dark parent " + dark.toString());
return LitTabView(
dark: dark,
tabs: [
LitNavigableTab(
tabData: LitBottomNavigationItemData(
icon: LitIcons.home_alt,
iconAlt: LitIcons.home,
index: 0,
title: "home",
),
screen: _ExampleScreen(
onHideBottomNavigation: toggleShouldHideNavigationBar,
dark: dark,
onToggleDark: (value) {
setState(() {
dark = !dark;
});
},
),
),
LitNavigableTab(
tabData: LitBottomNavigationItemData(
icon: Icons.font_download,
iconAlt: Icons.font_download_off_outlined,
index: 1,
title: "Font",
),
screen: _ExampleScreenTwo(),
),
LitNavigableTab(
tabData: LitBottomNavigationItemData(
icon: LitIcons.folder_solid,
iconAlt: LitIcons.folder,
index: 2,
title: "Icons",
),
screen: _ExampleScreenThree(),
),
],
);
}
}
class _ExampleScreenThree extends StatelessWidget {
const _ExampleScreenThree({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
width: MediaQuery.of(context).size.width,
child: ScrollableColumn(
padding: const EdgeInsets.symmetric(
vertical: 32.0,
horizontal: 16.0,
),
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SizedBox(height: 16.0),
Text(
"Icons",
style: Theme.of(context).textTheme.headline4,
),
SizedBox(height: 16.0),
IconLabel(
number: 1,
icon: LitIcons.animation,
label: "animation",
),
IconLabel(
number: 2,
icon: LitIcons.arrow_left,
label: "arrow_left",
),
IconLabel(
number: 3,
icon: LitIcons.arrow_left_solid,
label: "arrow_left_solid",
),
IconLabel(
number: 4,
icon: LitIcons.arrow_right,
label: "arrow_right",
),
IconLabel(
number: 5,
icon: LitIcons.arrow_right_solid,
label: "arrow_right_solid",
),
IconLabel(
number: 6,
icon: LitIcons.bolt,
label: "Bolt",
),
IconLabel(
number: 7,
icon: LitIcons.check,
label: "Check",
),
IconLabel(
number: 8,
icon: LitIcons.chevron_left,
label: "chevron_left",
),
IconLabel(
number: 9,
icon: LitIcons.chevron_left_solid,
label: "chevron_left_solid",
),
IconLabel(
number: 10,
icon: LitIcons.chevron_right,
label: "chevron_right",
),
IconLabel(
number: 11,
icon: LitIcons.chevron_right_solid,
label: "chevron_right_solid",
),
IconLabel(
number: 12,
icon: LitIcons.diary,
label: "diary",
),
IconLabel(
number: 13,
icon: LitIcons.diary_alt,
label: "diary_alt",
),
IconLabel(
number: 14,
icon: LitIcons.disk,
label: "disk",
),
IconLabel(
number: 15,
icon: LitIcons.disk_alt,
label: "disk_alt",
),
IconLabel(
number: 16,
icon: LitIcons.document,
label: "document",
),
IconLabel(
number: 17,
icon: LitIcons.folder,
label: "folder",
),
IconLabel(
number: 18,
icon: LitIcons.folder_solid,
label: "folder_solid",
),
IconLabel(
number: 19,
icon: LitIcons.gear,
label: "gear",
),
IconLabel(
number: 20,
icon: LitIcons.gear_alt,
label: "gear_alt",
),
IconLabel(
number: 21,
icon: LitIcons.heart,
label: "heart",
),
IconLabel(
number: 22,
icon: LitIcons.heart_solid,
label: "heart_solid",
),
IconLabel(
number: 23,
icon: LitIcons.home,
label: "home",
),
IconLabel(
number: 24,
icon: LitIcons.home_alt,
label: "home_alt",
),
IconLabel(
number: 25,
icon: LitIcons.llsw_smiley,
label: "llsw_smiley",
),
IconLabel(
number: 26,
icon: LitIcons.info,
label: "info",
),
IconLabel(
number: 27,
icon: LitIcons.moon,
label: "moon",
),
IconLabel(
number: 28,
icon: LitIcons.document_alt,
label: "document_alt",
),
IconLabel(
number: 29,
icon: LitIcons.map_marker,
label: "map_marker",
),
IconLabel(
number: 30,
icon: LitIcons.moon_solid,
label: "moon_solid",
),
IconLabel(
number: 31,
icon: LitIcons.moon_with_stars,
label: "moon_with_stars",
),
IconLabel(
number: 32,
icon: LitIcons.moon_with_stars_solid,
label: "moon_with_stars_solid",
),
IconLabel(
number: 33,
icon: LitIcons.pencil,
label: "pencil",
),
IconLabel(
number: 34,
icon: LitIcons.pencil_alt,
label: "pencil_alt",
),
IconLabel(
number: 35,
icon: LitIcons.person,
label: "person",
),
IconLabel(
number: 36,
icon: LitIcons.person_solid,
label: "person_solid",
),
IconLabel(
number: 37,
icon: LitIcons.photo,
label: "photo",
),
IconLabel(
number: 38,
icon: LitIcons.photos,
label: "photos",
),
IconLabel(
number: 39,
icon: LitIcons.plus,
label: "plus",
),
IconLabel(
number: 40,
icon: LitIcons.quote_left,
label: "quote_left",
),
IconLabel(
number: 41,
icon: LitIcons.quote_right,
label: "quote_right",
),
IconLabel(
number: 42,
icon: LitIcons.rgb,
label: "rgb",
),
IconLabel(
number: 43,
icon: LitIcons.rgb_solid,
label: "rgb_solid",
),
IconLabel(
number: 44,
icon: LitIcons.times,
label: "times",
),
IconLabel(
number: 45,
icon: LitIcons.trash_bin,
label: "trash_bin",
),
SizedBox(height: 92.0),
],
),
),
);
}
}
class IconLabel extends StatelessWidget {
final IconData icon;
final String label;
final int number;
const IconLabel({
Key? key,
required this.icon,
required this.label,
required this.number,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Column(
children: [
LayoutBuilder(
builder: ((context, constraints) {
return SizedBox(
width: constraints.maxWidth,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
Icon(icon),
SizedBox(width: 8.0),
Text(
label,
style: LitSansSerifStyles.body2,
),
],
),
Text(
number.toString(),
style: LitSansSerifStyles.h6,
),
],
),
);
}),
),
SizedBox(height: 8.0),
],
);
}
}
class _ExampleScreenTwo extends StatelessWidget {
const _ExampleScreenTwo({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
width: MediaQuery.of(context).size.width,
child: ScrollableColumn(
padding: const EdgeInsets.symmetric(
vertical: 32.0,
horizontal: 16.0,
),
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: Text(
"Sans Serif",
style: Theme.of(context).textTheme.headline4,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H1",
style: Theme.of(context).textTheme.headline1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H2",
style: Theme.of(context).textTheme.headline2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H3",
style: Theme.of(context).textTheme.headline3,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H4",
style: Theme.of(context).textTheme.headline4,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H5",
style: Theme.of(context).textTheme.headline5,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H6",
style: Theme.of(context).textTheme.headline6,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Subtitle 2",
style: Theme.of(context).textTheme.subtitle2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Subtitle 1",
style: Theme.of(context).textTheme.subtitle1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Body 1",
style: Theme.of(context).textTheme.bodyText1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Body 2",
style: Theme.of(context).textTheme.bodyText2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"BUTTON",
style: Theme.of(context).textTheme.button,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Caption",
style: Theme.of(context).textTheme.caption,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"OVERLINE",
style: Theme.of(context).textTheme.overline,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: Text(
"Serif",
style: LitSerifStyles.h4,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H1",
style: LitSerifStyles.h1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H2",
style: LitSerifStyles.h2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H3",
style: LitSerifStyles.h3,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H4",
style: LitSerifStyles.h4,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H5",
style: LitSerifStyles.h5,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"H6",
style: LitSerifStyles.h6,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Subtitle 2",
style: LitSerifStyles.subtitle2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Subtitle 1",
style: LitSerifStyles.subtitle1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Body 1",
style: LitSerifStyles.body1,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Body 2",
style: LitSerifStyles.body2,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"BUTTON",
style: LitSerifStyles.button,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"Caption",
style: LitSerifStyles.caption,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"OVERLINE",
style: LitSerifStyles.overline,
),
),
SizedBox(
height: 64.0,
),
],
),
),
);
}
}
class _ExampleScreen extends StatefulWidget {
final bool dark;
final void Function(bool) onToggleDark;
final void Function() onHideBottomNavigation;
const _ExampleScreen({
Key? key,
required this.dark,
required this.onToggleDark,
required this.onHideBottomNavigation,
}) : super(key: key);
@override
__ExampleScreenState createState() => __ExampleScreenState();
}
class __ExampleScreenState extends State<_ExampleScreen> {
late LitSettingsPanelController _settingsPanelController;
late LitSnackbarController _solidSnackbarController;
late LitSnackbarController _solidSnackbarControllerDiffAni;
late LitSnackbarController _transparentSnackbarController;
late LitNotificationController _notificationController;
late ScrollController _scrollController;
DateTime? dayOfBirth;
Color colorPickerBtnColor = Colors.white;
double _userIconChar = 65;
bool _showSlider = true;
late bool _dark;
void showSolidSnackbar() {
_solidSnackbarController.showSnackBar();
}
void showDiffentlyAnimaSnackbar() {
_solidSnackbarControllerDiffAni.showSnackBar();
}
void showTransparentSnackbar() {
_transparentSnackbarController.showSnackBar();
}
Color get buttonTextColor {
return _dark ? Colors.white : LitColors.mediumGrey;
}
Color get buttonColor {
return _dark ? LitColors.mediumGrey : Colors.white;
}
void setShowSlider(bool value) {
setState(() {
_showSlider = value;
});
}
void _addNotification() {
setState(() {
_notificationController.add(
LitNotificationData(
description: "${DateTime.now().toIso8601String()}",
icon: LitIcons.bolt,
),
);
});
}
void _setColorPickerColor(Color c) {
setState(() {
colorPickerBtnColor = c;
});
}
void _onChangeSlider(double value) {
setState(() {
_userIconChar = value;
});
}
@override
void initState() {
super.initState();
_settingsPanelController = LitSettingsPanelController()
..addListener(widget.onHideBottomNavigation);
_solidSnackbarController = LitSnackbarController();
_solidSnackbarControllerDiffAni = LitSnackbarController(
animationType: SnackbarAnimationType.bottomToTop,
);
_transparentSnackbarController = LitSnackbarController();
_notificationController = LitNotificationController();
_scrollController = ScrollController();
dayOfBirth = null;
_dark = widget.dark;
}
@override
Widget build(BuildContext context) {
return LitNotificationContainer(
controller: _notificationController,
child: LitScaffold(
backgroundColor: _dark ? LitColors.darkBlue : Colors.white,
appBar: FixedOnScrollTitledAppbar(
shouldNavigateBack: false,
title: "Leitmotif",
backgroundColor: _dark ? Colors.black : Colors.white,
scrollController: _scrollController,
textStyle: LitTextStyles.sansSerif.copyWith(
color: _dark ? Colors.white : LitColors.mediumGrey,
),
),
snackbars: [
LitIconSnackbar(
snackBarController: _solidSnackbarController,
title: "Title",
text: "This is an informational text to inform the user!",
iconData: LitIcons.info,
),
LitIconSnackbar(
snackBarController: _solidSnackbarControllerDiffAni,
title: "Title",
text: "Different Snackbar animation!",
iconData: LitIcons.info,
),
LitTransparentIconSnackbar(
snackBarController: _transparentSnackbarController,
title: "Title",
text: "Transparent Snackbar!",
iconData: LitIcons.info,
),
],
settingsPanel: LitSettingsPanel(
padding: const EdgeInsets.only(
bottom: LitBottomNavigation.defaultHeight,
),
controller: _settingsPanelController,
title: "Settings",
darkMode: _dark,
settingsTiles: [
LitSettingsPanelTile(
onValueToggled: (value) {
setState(() {
_dark = !_dark;
});
widget.onToggleDark(!_dark);
},
darkMode: _dark,
enabled: _dark,
optionName: "Dark Theme",
iconData: LitIcons.moon_with_stars_solid,
),
],
),
actionButton: AnimatedActionButton(
alignment: Alignment.bottomLeft,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8.0),
child: Icon(
LitIcons.gear,
color: Colors.white,
size: 16.0,
),
),
backgroundColor: LitColors.mediumGrey,
onPressed: () => {
_settingsPanelController.showSettingsPanel(),
}),
body: SizedBox(
width: MediaQuery.of(context).size.width,
child: LitScrollbar(
child: ScrollableColumn(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.center,
controller: _scrollController,
children: [
Column(
children: [
dayOfBirth != null
? Padding(
padding: const EdgeInsets.only(top: 32.0),
child: ClippedText(
"You were born in ${dayOfBirth!.year}",
style: LitTextStyles.sansSerif.copyWith(
color: buttonTextColor,
),
),
)
: SizedBox(),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 32.0,
),
child: LitUserIcon(
name: String.fromCharCode(_userIconChar.toInt()),
color: colorPickerBtnColor,
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return _LitColorPickerDialogImpl(
color: colorPickerBtnColor,
onApply: (c) {
_setColorPickerColor(c);
},
);
},
)
},
),
),
LitSettingCard(
value: _showSlider,
title: "Show Slider",
description:
"Show a slider to modify the icon above Show a slider to ",
padding: const EdgeInsets.all(16.0),
onChanged: (value) {
setShowSlider(value);
},
),
_showSlider
? _LitSliderImpl(
userIconChar: _userIconChar,
onChangeSlider: _onChangeSlider,
)
: SizedBox(),
Padding(
padding: const EdgeInsets.all(8.0),
child: FilePathPreview(
path:
"Device/Documents/directory/subdirectory/subdirectory/file.extension",
),
),
_ButtonList(
darkMode: _dark,
addNotification: _addNotification,
buttonColor: buttonColor,
buttonTextColor: buttonTextColor,
showSolidSnackbar: showSolidSnackbar,
showDifferentlyAnimaSnackbar: showDiffentlyAnimaSnackbar,
showTransparentSnackbar: showTransparentSnackbar,
colorPickerBtnColor: colorPickerBtnColor,
setColorPickerBtnColor: _setColorPickerColor,
),
LitSettingsFooter(
children: [
LitPlainLabelButton(
label: "Option 1",
onPressed: showSolidSnackbar,
),
LitPlainLabelButton(
label: "Option 1",
onPressed: showTransparentSnackbar,
),
LitPlainLabelButton(
label: "Option 1",
onPressed: showDiffentlyAnimaSnackbar,
)
],
)
],
),
],
),
),
),
),
);
}
}
class _LitSliderImpl extends StatelessWidget {
final double userIconChar;
final void Function(double) onChangeSlider;
const _LitSliderImpl({
Key? key,
required this.userIconChar,
required this.onChangeSlider,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(
vertical: 4.0,
horizontal: 8.0,
),
child: LitSlider(
min: 65,
max: 90,
onChanged: onChangeSlider,
value: userIconChar,
),
);
}
}
class _ButtonList extends StatelessWidget {
final bool darkMode;
final Color buttonColor;
final Color buttonTextColor;
final Color colorPickerBtnColor;
final void Function() addNotification;
final void Function() showSolidSnackbar;
final void Function() showDifferentlyAnimaSnackbar;
final void Function() showTransparentSnackbar;
final void Function(Color c) setColorPickerBtnColor;
const _ButtonList({
Key? key,
required this.darkMode,
required this.buttonColor,
required this.buttonTextColor,
required this.addNotification,
required this.showSolidSnackbar,
required this.showDifferentlyAnimaSnackbar,
required this.showTransparentSnackbar,
required this.colorPickerBtnColor,
required this.setColorPickerBtnColor,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Column(
children: [
SizedBox(height: 32.0),
LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Add notification",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: addNotification,
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Licenses",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
Navigator.push(context,
CupertinoPageRoute(builder: (context) {
return ApplicationLicensesScreen();
}))
}),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Solid SnackBar!",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: showSolidSnackbar),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Differently anima. SnackBar!",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: showDifferentlyAnimaSnackbar,
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Transparent SnackBar!",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: showTransparentSnackbar),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show VerifyAgeScreen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
LitRouteController(context).pushCupertinoWidget(
LitVerifyAgeScreen(
onSubmit: (date) {
LitRouteController(context).pop();
},
),
),
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Onboarding Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
LitRouteController(context)
.pushCupertinoWidget(_LitOnboardingScreenImplementation())
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show About Dialog",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return LitAboutDialog(
title: "About",
appName: "Leitmotif Example",
art: _Art(),
infoDescription: LEITMOTIF_DESCR,
copyrightNotice:
"\u{00A9} 2022 LitLifeSoftware. All rights reserved.",
);
},
)
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Confirm Delete Dialog",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return ConfirmDeleteDialog(onDelete: () => {});
},
)
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show LitTitledDialog",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return _LitTitledDialogImpl();
})
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: colorPickerBtnColor,
child: ClippedText(
"Show LitColorPickerDialog",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return _LitColorPickerDialogImpl(
color: colorPickerBtnColor,
onApply: setColorPickerBtnColor,
);
})
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Discard Draft Dialog",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
showDialog(
context: context,
builder: (context) {
return DiscardDraftDialog(
onDiscard: () {
LitRouteController(context).closeDialog();
},
);
})
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Privacy Policy Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
LitRouteController(context)
.pushCupertinoWidget(_LitPrivacyScreenImplementation())
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show LitPrivacyDisclaimerScreen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
Navigator.push(
context,
CupertinoPageRoute(
builder: (context) {
return LitPrivacyDisclaimerScreen(
onConfirm: () => {
Navigator.pop(context),
},
);
},
),
)
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Startup Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
Navigator.push(
context,
CupertinoPageRoute(
builder: (context) {
return LitStartupScreen();
},
),
)
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Static Loading Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
Navigator.push(
context,
CupertinoPageRoute(
builder: (context) {
return LitStaticLoadingScreen();
},
),
)
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Signup Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
LitRouteController(context)
.pushCupertinoWidget(_LitSignupScreenImplementation())
},
),
),
Padding(
padding: const EdgeInsets.only(top: 32.0),
child: LitRoundedElevatedButton(
color: buttonColor,
child: ClippedText(
"Show Credits Screen",
upperCase: true,
style: LitSansSerifStyles.button.copyWith(
color: buttonTextColor,
),
),
onPressed: () => {
LitRouteController(context).pushCupertinoWidget(
_LitCreditsScreenImplementation(
darkMode: darkMode,
),
)
},
),
),
LitTextPageView(
padding: const EdgeInsets.symmetric(vertical: 16.0),
textItems: [
TextPageContent(
subtitle: "Subtitle",
title: "Title",
text: "LitTextPageView",
),
],
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: JugglingLoadingIndicator(),
),
LitDescriptionTextBox(
text: "This text is descriping something."
" "
"This text is descriping something."
" "
"This text is descriping something.",
),
// SizedBox(height: 128.0),
],
),
);
}
}
class _LitOnboardingScreenImplementation extends StatelessWidget {
const _LitOnboardingScreenImplementation({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return LitOnboardingScreen(
art: _Art(),
textItems: const [
TextPageContent(
subtitle: "Subtitle",
title: "Title",
text: exampleText,
),
TextPageContent(
subtitle: "Subtitle",
title: "Title",
text: "Second Text Item",
),
],
onDismiss: () => LitRouteController(context).navigateBack(),
);
}
}
class _LitPrivacyScreenImplementation extends StatelessWidget {
const _LitPrivacyScreenImplementation({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return LitPrivacyPolicyScreen(
tags: [
PrivacyTagData(isConform: true, text: "Private"),
PrivacyTagData(
text: "Offline",
isConform: true,
),
],
art: _Art(),
privacyBody: LEITMOTIF_DESCR +
LEITMOTIF_DESCR +
LEITMOTIF_DESCR +
LEITMOTIF_DESCR +
LEITMOTIF_DESCR +
LEITMOTIF_DESCR,
onAgreeCallback: () {
Navigator.pop(context);
},
);
}
}
class _LitSignupScreenImplementation extends StatefulWidget {
const _LitSignupScreenImplementation({Key? key})
: super(
key: key,
);
@override
State<_LitSignupScreenImplementation> createState() =>
_LitSignupScreenImplementationState();
}
class _LitSignupScreenImplementationState
extends State<_LitSignupScreenImplementation> {
String username = "";
String pw = "";
String pwConf = "";
@override
Widget build(BuildContext context) {
return LitSignUpScreen(
inputValid: LitInputValidator.validateUsername(username) &&
pw.isNotEmpty &&
pwConf == pw,
onSubmit: () {
LitRouteController(context).navigateBack();
},
data: [
TextFieldData(
label: "Username",
icon: LitIcons.person_solid,
onChange: (val) {
setState(() {
username = val;
});
},
invalidHint: "Your username contains invalid characters or is empty.",
onValidate: (val) {
return LitInputValidator.validateUsername(val);
},
),
TextFieldData(
label: "Password",
obscureText: true,
icon: Icons.lock,
onChange: (val) {
setState(() {
pw = val;
});
},
onValidate: (val) {
return val.isNotEmpty;
}),
TextFieldData(
label: "Confirm",
obscureText: true,
icon: Icons.lock,
onChange: (val) {
setState(() {
pwConf = val;
});
},
onValidate: (val) {
return val == pw;
},
),
],
);
}
}
class _LitCreditsScreenImplementation extends StatelessWidget {
final bool darkMode;
const _LitCreditsScreenImplementation({
Key? key,
required this.darkMode,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return LitCreditsScreen(
appName: "Leitmotif",
art: _Art(),
appDescription:
"Flutter Package implementing the Leitmotif Design Language",
credits: [
CreditData(
role: "Made by",
names: [
"LitLifeSoftware",
],
),
CreditData(
role: "Design",
names: [
"Michael Grigorenko",
],
),
CreditData(
role: "Development",
names: [
"Michael Grigorenko",
],
),
CreditData(
role: "Flutter Framework",
names: [
"Google LLC.",
"Flutter Contributors",
"Skia Contributors",
"Dart Contributors",
],
),
],
);
}
}
class _Art extends StatelessWidget {
const _Art({
Key? key,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Image(
image: AssetImage(
"assets/images/Logo.png",
package: "leitmotif",
),
);
}
}
class _LitTitledDialogImpl extends StatelessWidget {
const _LitTitledDialogImpl({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return LitTitledDialog(
child: Center(
child: Text(
"Example title with a description",
style: LitSansSerifStyles.body2,
)),
titleText: "A dialog",
actionButtons: [
DialogActionButton(
data: ActionButtonData(
onPressed: () {},
title: "Action Button Label 1",
),
),
DialogActionButton(
data: ActionButtonData(
onPressed: () {},
title: "Action Button Label 2",
),
)
],
);
}
}
class _LitColorPickerDialogImpl extends StatelessWidget {
final Color color;
final void Function(Color c) onApply;
const _LitColorPickerDialogImpl({
Key? key,
required this.color,
required this.onApply,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return LitColorPickerDialog(
initialColor: color,
onApplyColor: onApply,
);
}
}Metadata
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downloads
Publisher
unverified uploader
Weekly Downloads
Metadata
A collection of widgets and screens for Flutter implementing the Leitmotif Design Language.
Repository (GitHub)
View/report issues
License
BSD-3-Clause (license)
Dependencies
flutter, flutter_localizations, intl, package_info_plus
