fluid_layout 1.0.0-dev 
fluid_layout: ^1.0.0-dev copied to clipboard
jaimeblasco.comCreate responsive layouts in flutter for mobile, web and desktop.
import 'package:device_preview/device_preview.dart';
import 'package:example/basic_layout.dart';
import 'package:example/columns_complex_fluid_layout.dart';
import 'package:example/fluid_layout_with_horizontal_scroll.dart';
import 'package:fluid_layout/fluid_layout.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'columns_fluid_layout.dart';
import 'conditional_fluid_layout.dart';
import 'custom_card.dart';
import 'full_fluid_layout.dart';
void main() => runApp(
DevicePreview(
builder: (context) => MyApp(),
),
);
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: 'Flutter Demo',
locale: DevicePreview.locale(context), // <--- Add the locale
builder: DevicePreview.appBuilder,
theme: ThemeData(
cardTheme: CardTheme(
elevation: 12,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
primarySwatch: Colors.blue,
),
routes: {
'/': (_) => HomePage(),
'/basiclayout': (_) => BasicFluidLayout(),
'/full_width_rows_layout': (_) => FluidLayoutWithFullWidthRows(),
'/columnlayout': (_) => ColumnsFluidLayout(),
'/complexcolumnlayout': (_) => ComplexColumnsFluidLayout(),
'/conditionallayout': (_) => ConditionalFluidLayout(),
'/layout_with_horizontal_scrolling': (_) =>
FluidLayoutWithHorizontalScroll(),
'/fullexample': (_) => MyHomePage(title: 'Full example'),
},
);
}
}
class HomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: FluidLayout(
format: BoostrapFormat(margin: 20),
child: Builder(
builder: (context) {
final width = context.fluid.value(3, xs: 6, sm: 6, md: 4, lg: 3);
return CustomScrollView(
slivers: <Widget>[
SliverGap(64),
SliverToBoxAdapter(
child: FluidPadding(
child: Text(
'Fluid Layout examples',
style: Theme.of(context).textTheme.headline6,
),
),
),
SliverGap(40),
SliverFluidGrid(children: [
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/basiclayout',
title: 'Basic fluid layout',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/full_width_rows_layout',
title: 'Fluid Layout with full width rows',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/columnlayout',
title: 'Column Fluid Layout',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/complexcolumnlayout',
title: 'Complex Fluid Layout',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/conditionallayout',
title: 'Conditional Fluid Layout',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/layout_with_horizontal_scrolling',
title: 'Fluid Layout with horizontal scrolling',
),
),
FluidCell.fit(
fluidWidth: width,
child: HomeTile(
routeName: '/fullexample',
title: 'Full example',
),
)
]),
],
);
},
),
),
);
}
}
class HomeTile extends StatelessWidget {
final String routeName;
final String title;
const HomeTile({Key key, this.routeName, this.title}) : super(key: key);
@override
Widget build(BuildContext context) {
return CustomCard(
onTap: () => Navigator.of(context).pushNamed(routeName),
child: Container(
height: 100,
child: Center(
child: Text(title, textAlign: TextAlign.center),
),
),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: FluidLayout(
child: Builder(
builder: (context) => CustomScrollView(
slivers: <Widget>[
SliverToBoxAdapter(
child: SizedBox(
height: context.fluid.value(60, xs: 12, sm: 12))),
SliverFluidGrid(
children: [
if (context.breakpoint.isSmallerThanM)
FluidCell.fit(
fluidWidth: context.fluid.value(12),
child: CustomCard(
child: Container(
height: 100,
child: Center(
child: Text(
'Only visible in small screens')),
),
),
),
FluidCell.withFluidHeight(
fluidWidth: context.fluid.value(12),
fluidHeight: context.fluid.value(4),
child: CustomCard(
color: Colors.green,
child: Center(child: Text('Header')),
),
),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
child: CustomCard(
child: Center(child: Text('A')),
),
),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(3, md: 3, sm: 4, xs: 4),
child: CustomCard(
child: Center(child: Text('B')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
child: CustomCard(
child: Center(child: Text('C')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 3, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(3, md: 3, sm: 4, xs: 4),
child: CustomCard(
child: Center(child: Text('D')),
)),
FluidCell.withFixedHeight(
fluidWidth: context.fluid.value(12),
height: 1,
child: Container(
color: Colors.black12,
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 12, xs: 12),
fluidHeight: 3,
child: CustomCard(
color: Colors.green,
child: Center(child: Text('1')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('2')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('3')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('4')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('5')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('6')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(3, md: 6, sm: 6, xs: 6),
fluidHeight:
context.fluid.value(1.45, sm: 2, xs: 2),
child: CustomCard(
child: Center(child: Text('7')),
)),
FluidCell.withFixedHeight(
fluidWidth: 12,
height: 150,
child: CustomCard(
color: Colors.green,
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth: context.fluid
.value(2, lg: 2, md: 4, sm: 3, xs: 4),
fluidHeight: context.fluid
.value(2, lg: 2, md: 3, sm: 3, xs: 4),
child: CustomCard(
child: Center(child: Text('I')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(4, sm: 12, xs: 12),
fluidHeight:
context.fluid.value(4, sm: 12, xs: 12),
child: CustomCard(
child: Center(child: Text('A')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(4, sm: 12, xs: 12),
fluidHeight:
context.fluid.value(4, sm: 12, xs: 12),
child: CustomCard(
child: Center(child: Text('B')),
)),
FluidCell.withFluidHeight(
fluidWidth:
context.fluid.value(4, sm: 12, xs: 12),
fluidHeight:
context.fluid.value(4, sm: 12, xs: 12),
child: CustomCard(
child: Center(child: Text('C')),
)),
],
),
SliverToBoxAdapter(
child: Container(
margin: EdgeInsets.symmetric(vertical: 12),
padding: EdgeInsets.symmetric(vertical: 12),
color: Colors.green,
height: 200,
child: Center(child: Text('Expanded')),
),
),
SliverToBoxAdapter(child: SizedBox(height: 40)),
context.breakpoint.isLargerThanM
? SliverFluidPadding(
sliver: SliverToBoxAdapter(
child: CustomCard(
child: Container(
height: 300,
child: Center(
child:
Text('Only visible in large screen')),
))),
)
: SliverToBoxAdapter(child: Container()),
SliverToBoxAdapter(child: SizedBox(height: 40)),
],
))),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}Metadata
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Publisher
Metadata
Create responsive layouts in flutter for mobile, web and desktop.
Repository (GitHub)
View/report issues
License
MIT (license)
Dependencies
flutter, flutter_staggered_grid_view, gap
