Companion Pane, Dual View
После Ширина: | Высота: | Размер: 60 KiB |
После Ширина: | Высота: | Размер: 64 KiB |
После Ширина: | Высота: | Размер: 763 KiB |
После Ширина: | Высота: | Размер: 2.9 MiB |
После Ширина: | Высота: | Размер: 69 KiB |
После Ширина: | Высота: | Размер: 53 KiB |
После Ширина: | Высота: | Размер: 70 KiB |
После Ширина: | Высота: | Размер: 71 KiB |
После Ширина: | Высота: | Размер: 69 KiB |
После Ширина: | Высота: | Размер: 54 KiB |
|
@ -0,0 +1,189 @@
|
|||
import 'package:dual_screen_samples/companion_pane/data.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class CompanionPane extends StatelessWidget {
|
||||
const CompanionPane({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Theme(
|
||||
data: ThemeData.dark(),
|
||||
child: Scaffold(
|
||||
// backgroundColor: Colors.grey[900],
|
||||
appBar: AppBar(
|
||||
title: Text('Companion Pane'),
|
||||
),
|
||||
body: TwoPane(
|
||||
pane1: PreviewPane(),
|
||||
pane2: ToolsPane(),
|
||||
paneProportion: 0.7,
|
||||
direction: Axis.vertical,
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class PreviewPane extends StatelessWidget {
|
||||
const PreviewPane({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.all(16.0),
|
||||
child: Image.asset(
|
||||
'images/companion_pane_image.png',
|
||||
fit: BoxFit.contain,
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ToolsPane extends StatelessWidget {
|
||||
const ToolsPane({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return LayoutBuilder(builder: (context, constraints) {
|
||||
if (constraints.maxHeight > 200 && constraints.maxWidth > 400) {
|
||||
return LargeToolsPane();
|
||||
} else {
|
||||
return SmallToolsPane();
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
class LargeToolsPane extends StatelessWidget {
|
||||
const LargeToolsPane({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return LayoutBuilder(
|
||||
builder: (context, constraints) {
|
||||
return SingleChildScrollView(
|
||||
child: ConstrainedBox(
|
||||
constraints: BoxConstraints(
|
||||
minHeight: constraints.maxHeight,
|
||||
),
|
||||
child: IntrinsicHeight(
|
||||
child: Column(
|
||||
children: [
|
||||
Spacer(flex: 10),
|
||||
...tools
|
||||
.expand((e) => [
|
||||
ExpandedToolTile(tool: e),
|
||||
Spacer(flex: 1),
|
||||
])
|
||||
.toList(),
|
||||
Spacer(flex: 10),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class SmallToolsPane extends StatelessWidget {
|
||||
const SmallToolsPane({
|
||||
Key? key,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
children: [
|
||||
Spacer(flex: 1),
|
||||
Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 8.0),
|
||||
child: ToolSlider(),
|
||||
),
|
||||
Spacer(flex: 1),
|
||||
SingleChildScrollView(
|
||||
scrollDirection: Axis.horizontal,
|
||||
child: Row(
|
||||
children:
|
||||
tools.map((e) => ToolTile(tool: e, onTap: () {})).toList(),
|
||||
),
|
||||
),
|
||||
Spacer(flex: 2),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ExpandedToolTile extends StatelessWidget {
|
||||
final Tool tool;
|
||||
|
||||
const ExpandedToolTile({Key? key, required this.tool}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 16.0),
|
||||
child: Row(
|
||||
children: [
|
||||
ToolTile(tool: tool),
|
||||
SizedBox(width: 10),
|
||||
Expanded(child: ToolSlider()),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ToolTile extends StatelessWidget {
|
||||
final Tool tool;
|
||||
final VoidCallback? onTap;
|
||||
|
||||
const ToolTile({
|
||||
Key? key,
|
||||
required this.tool,
|
||||
this.onTap,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return InkWell(
|
||||
onTap: onTap,
|
||||
child: Container(
|
||||
width: 82,
|
||||
height: 82,
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: [
|
||||
Icon(tool.icon, size: 34),
|
||||
SizedBox(height: 10),
|
||||
Text(tool.name, textAlign: TextAlign.center),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ToolSlider extends StatefulWidget {
|
||||
const ToolSlider({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
_ToolSliderState createState() => _ToolSliderState();
|
||||
}
|
||||
|
||||
class _ToolSliderState extends State<ToolSlider> {
|
||||
double value = 0;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Slider(
|
||||
value: value,
|
||||
onChanged: (v) {
|
||||
setState(() {
|
||||
value = v;
|
||||
});
|
||||
},
|
||||
);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,35 @@
|
|||
import 'package:flutter/material.dart';
|
||||
|
||||
class Tool {
|
||||
final IconData icon;
|
||||
final String name;
|
||||
|
||||
Tool(this.icon, this.name);
|
||||
}
|
||||
|
||||
List<Tool> tools = [
|
||||
Tool(
|
||||
Icons.auto_fix_high,
|
||||
'Auto Fix',
|
||||
),
|
||||
Tool(
|
||||
Icons.wb_sunny,
|
||||
'Brightness',
|
||||
),
|
||||
Tool(
|
||||
Icons.brightness_medium,
|
||||
'Contrast',
|
||||
),
|
||||
Tool(
|
||||
Icons.vignette,
|
||||
'Vignette',
|
||||
),
|
||||
Tool(
|
||||
Icons.rotate_left,
|
||||
'Rotate',
|
||||
),
|
||||
Tool(
|
||||
Icons.crop,
|
||||
'Crop',
|
||||
),
|
||||
];
|
|
@ -0,0 +1,32 @@
|
|||
const String initialMarkdownData = '''
|
||||
# Large header (h1)
|
||||
###### Small header (h6)
|
||||
|
||||
Text can be *italic* or **bold** or *even **both** at the same time*. It can also contain [links](https://pub.dev/packages/dual_screen).
|
||||
|
||||
* Lists can be
|
||||
* unordered
|
||||
* Item
|
||||
* Item
|
||||
* ordered
|
||||
1. Item
|
||||
1. Item
|
||||
|
||||
This sample can be boiled down to using `TwoPane`:
|
||||
|
||||
```
|
||||
TwoPane(
|
||||
pane1: TextField(
|
||||
onChanged: (text) {
|
||||
setState(() {
|
||||
this.data = text;
|
||||
});
|
||||
},
|
||||
),
|
||||
pane2: Markdown(data: data),
|
||||
panePriority: panePriority,
|
||||
)
|
||||
```
|
||||
|
||||
> Markdown is a lightweight markup language with plain-text-formatting syntax, created in 2004 by John Gruber with Aaron Swartz.
|
||||
''';
|
|
@ -0,0 +1,61 @@
|
|||
import 'package:dual_screen_samples/dual_view_notepad/data.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_markdown/flutter_markdown.dart';
|
||||
import 'package:google_fonts/google_fonts.dart';
|
||||
|
||||
class DualViewNotepad extends StatefulWidget {
|
||||
const DualViewNotepad({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
_DualViewNotepadState createState() => _DualViewNotepadState();
|
||||
}
|
||||
|
||||
class _DualViewNotepadState extends State<DualViewNotepad> {
|
||||
String data = initialMarkdownData;
|
||||
bool editing = true;
|
||||
TextEditingController textController =
|
||||
TextEditingController(text: initialMarkdownData);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
bool singleScreen = MediaQuery.of(context).hinge == null;
|
||||
var panePriority = TwoPanePriority.both;
|
||||
if (singleScreen) {
|
||||
panePriority = editing ? TwoPanePriority.pane1 : TwoPanePriority.pane2;
|
||||
}
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: Text('Dual View Notepad'),
|
||||
actions: [
|
||||
if (singleScreen)
|
||||
TextButton(
|
||||
style: TextButton.styleFrom(primary: Colors.white),
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
editing = !editing;
|
||||
});
|
||||
},
|
||||
child: Text(editing ? 'View' : 'Edit'),
|
||||
)
|
||||
],
|
||||
),
|
||||
body: TwoPane(
|
||||
pane1: TextField(
|
||||
controller: textController,
|
||||
maxLines: 999,
|
||||
decoration: const InputDecoration(
|
||||
contentPadding: const EdgeInsets.all(16.0),
|
||||
),
|
||||
style: GoogleFonts.robotoMono(),
|
||||
onChanged: (text) {
|
||||
setState(() {
|
||||
this.data = text;
|
||||
});
|
||||
},
|
||||
),
|
||||
pane2: Markdown(data: data),
|
||||
panePriority: panePriority,
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,114 @@
|
|||
class Restaurant {
|
||||
final String name, description, picture, type;
|
||||
final double rating;
|
||||
final int voteCount, priceRange;
|
||||
final LatLong latLong;
|
||||
|
||||
const Restaurant({
|
||||
required this.name,
|
||||
required this.description,
|
||||
required this.picture,
|
||||
required this.type,
|
||||
required this.priceRange,
|
||||
required this.rating,
|
||||
required this.voteCount,
|
||||
required this.latLong,
|
||||
});
|
||||
}
|
||||
|
||||
class LatLong {
|
||||
final double lat, long;
|
||||
|
||||
const LatLong(this.lat, this.long);
|
||||
}
|
||||
|
||||
const List<Restaurant> restaurants_repo = [
|
||||
const Restaurant(
|
||||
name: 'Pestle Rock',
|
||||
description:
|
||||
'Wine bar with upscale small plates in a lofty modern space with a central wine tower & staircase.',
|
||||
picture: 'images/pestle_rock_image.png',
|
||||
type: 'Thai',
|
||||
priceRange: 3,
|
||||
rating: 4.4,
|
||||
voteCount: 2303304,
|
||||
latLong: LatLong(380, 356),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Sam\'s Pizza',
|
||||
description:
|
||||
'Take-out/delivery chain offering classic & specialty pizzas, wings & breadsticks, plus desserts.',
|
||||
picture: 'images/sams_pizza_image.png',
|
||||
type: 'American',
|
||||
priceRange: 2,
|
||||
rating: 4.9,
|
||||
voteCount: 1343,
|
||||
latLong: LatLong(280, 56),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Sizzle and Crunch',
|
||||
description:
|
||||
'Eatery with a wood-fired oven turning out European & NW dishes in a white-&-blue cottage-like room.',
|
||||
picture: 'images/sizzle_crunch_image.png',
|
||||
type: 'Thai',
|
||||
priceRange: 2,
|
||||
rating: 3.9,
|
||||
voteCount: 966,
|
||||
latLong: LatLong(180, 216),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Cantinetta',
|
||||
description:
|
||||
'Gourmet Neapolitan pies served in a lofty space with casual, industrial-chic decor.',
|
||||
picture: 'images/cantinetta_image.png',
|
||||
type: 'Italian',
|
||||
priceRange: 4,
|
||||
rating: 4.6,
|
||||
voteCount: 1322,
|
||||
latLong: LatLong(80, 356),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Araya\'s Place',
|
||||
description:
|
||||
'Araya\'s Place is the 1st vegan-Thai restaurant in the northwest while supporting local farms.',
|
||||
picture: 'images/arayas_place_image.png',
|
||||
type: 'Thai',
|
||||
priceRange: 2,
|
||||
rating: 4.6,
|
||||
voteCount: 1322,
|
||||
latLong: LatLong(90, 210),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Kimchi Bistro',
|
||||
description:
|
||||
'Small, no frills Korean restaurant with an extensive menu served in simple digs inside a mall.',
|
||||
picture: 'images/kimchi_bistro_image.png',
|
||||
type: 'Korean',
|
||||
priceRange: 4,
|
||||
rating: 3.6,
|
||||
voteCount: 4565,
|
||||
latLong: LatLong(230, 396),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Topolopompo Restaurant',
|
||||
description:
|
||||
'Compact locale with counter service dishing up classic Mediterranean eats such as hummus & falafel.',
|
||||
picture: 'images/topolopompo_image.png',
|
||||
type: 'FineDine',
|
||||
priceRange: 3,
|
||||
rating: 4.5,
|
||||
voteCount: 6001,
|
||||
latLong: LatLong(294, 226),
|
||||
),
|
||||
const Restaurant(
|
||||
name: 'Morsel',
|
||||
description:
|
||||
'Homey cafe with sofas, board games & quiet corners for gourmet coffee & craft biscuit sandwiches.',
|
||||
picture: 'images/morsel_image.png',
|
||||
type: 'Breakfast',
|
||||
priceRange: 3,
|
||||
rating: 4.7,
|
||||
voteCount: 787,
|
||||
latLong: LatLong(180, 331),
|
||||
)
|
||||
];
|
|
@ -0,0 +1,221 @@
|
|||
import 'package:dual_screen_samples/dual_view_restaurants/data.dart';
|
||||
import 'package:flutter/cupertino.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/widgets.dart';
|
||||
|
||||
import 'mock_widgets.dart';
|
||||
|
||||
class DualViewRestaurants extends StatefulWidget {
|
||||
const DualViewRestaurants({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
_DualViewRestaurantsState createState() => _DualViewRestaurantsState();
|
||||
}
|
||||
|
||||
class _DualViewRestaurantsState extends State<DualViewRestaurants> {
|
||||
final List<Restaurant> restaurants = restaurants_repo;
|
||||
int? selectedRestaurant;
|
||||
bool showList = true;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
bool singleScreen = MediaQuery.of(context).hinge == null;
|
||||
var panePriority = TwoPanePriority.both;
|
||||
if (singleScreen) {
|
||||
panePriority = showList ? TwoPanePriority.pane1 : TwoPanePriority.pane2;
|
||||
}
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: Text('Dual View Restaurants'),
|
||||
actions: [
|
||||
if (singleScreen)
|
||||
TextButton(
|
||||
style: TextButton.styleFrom(primary: Colors.white),
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
showList = !showList;
|
||||
});
|
||||
},
|
||||
child: Text(showList ? 'Map' : 'List'),
|
||||
)
|
||||
],
|
||||
),
|
||||
body: TwoPane(
|
||||
pane1: ListPane(
|
||||
restaurants: restaurants,
|
||||
selectedRestaurant: selectedRestaurant,
|
||||
singlePane: singleScreen,
|
||||
onRestaurantTap: (index) {
|
||||
setState(() {
|
||||
this.selectedRestaurant = index;
|
||||
});
|
||||
if (index != null) {
|
||||
openRestaurant(context, restaurants[index]);
|
||||
}
|
||||
},
|
||||
),
|
||||
pane2: MapPane(
|
||||
restaurants: restaurants,
|
||||
selectedRestaurant: selectedRestaurant,
|
||||
onPinTap: (index) {
|
||||
setState(() {
|
||||
this.selectedRestaurant = index;
|
||||
});
|
||||
},
|
||||
onPopupTap: (index) => openRestaurant(context, restaurants[index]),
|
||||
singlePane: singleScreen,
|
||||
),
|
||||
panePriority: panePriority,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
void openRestaurant(BuildContext context, Restaurant restaurant) {
|
||||
Navigator.of(context).push(
|
||||
MaterialPageRoute(builder: (context) {
|
||||
return RestaurantScreen(restaurant: restaurant);
|
||||
}),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Shows a list of restaurants.
|
||||
///
|
||||
/// Use [singlePane] to let the widget know what if this is used alongside
|
||||
/// a [MapPane] or not.
|
||||
/// - If it is, then the selected pin is highlighted.
|
||||
/// - If it is not, no highlighting is needed because selection is not
|
||||
/// possible and does not make sense.
|
||||
class ListPane extends StatefulWidget {
|
||||
final List<Restaurant> restaurants;
|
||||
final int? selectedRestaurant;
|
||||
final ValueChanged<int?> onRestaurantTap;
|
||||
final bool singlePane;
|
||||
|
||||
const ListPane({
|
||||
Key? key,
|
||||
required this.restaurants,
|
||||
required this.selectedRestaurant,
|
||||
required this.onRestaurantTap,
|
||||
required this.singlePane,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
_ListPaneState createState() => _ListPaneState();
|
||||
}
|
||||
|
||||
class _ListPaneState extends State<ListPane> {
|
||||
late ScrollController scrollController;
|
||||
static const itemHeight = 125.0;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
scrollController = ScrollController(
|
||||
initialScrollOffset: (widget.selectedRestaurant ?? 0.0) * itemHeight);
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(covariant ListPane oldWidget) {
|
||||
super.didUpdateWidget(oldWidget);
|
||||
if (widget.selectedRestaurant != null &&
|
||||
oldWidget.selectedRestaurant != widget.selectedRestaurant) {
|
||||
scrollController.animateTo(
|
||||
widget.selectedRestaurant! * itemHeight,
|
||||
duration: Duration(milliseconds: 300),
|
||||
curve: Curves.fastOutSlowIn,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return ListView.separated(
|
||||
controller: scrollController,
|
||||
itemBuilder: (ctx, index) => SizedBox(
|
||||
height: itemHeight,
|
||||
child: RestaurantListItem(
|
||||
restaurant: widget.restaurants[index],
|
||||
selected: !widget.singlePane && index == widget.selectedRestaurant,
|
||||
onTap: () {
|
||||
widget.onRestaurantTap(index);
|
||||
},
|
||||
),
|
||||
),
|
||||
itemCount: widget.restaurants.length,
|
||||
separatorBuilder: (BuildContext context, int index) =>
|
||||
Divider(height: 0.0),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Shows a map of restaurants.
|
||||
///
|
||||
/// Use [singlePane] to let the widget know what if this is used alongside
|
||||
/// a [ListPane] or not.
|
||||
/// - If it is, then we rely on the list to show details about
|
||||
/// the pin we selected.
|
||||
/// - If it is not, then this widget needs a way to how details about the
|
||||
/// selected pin and it does this by showing a small popup at the bottom.
|
||||
class MapPane extends StatelessWidget {
|
||||
final List<Restaurant> restaurants;
|
||||
final int? selectedRestaurant;
|
||||
final ValueChanged<int?> onPinTap;
|
||||
final ValueChanged<int> onPopupTap;
|
||||
final bool singlePane;
|
||||
|
||||
const MapPane({
|
||||
Key? key,
|
||||
required this.restaurants,
|
||||
required this.selectedRestaurant,
|
||||
required this.onPinTap,
|
||||
required this.onPopupTap,
|
||||
required this.singlePane,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
Restaurant? selectedMarker =
|
||||
selectedRestaurant == null ? null : restaurants[selectedRestaurant!];
|
||||
List<Restaurant> normalMarkers =
|
||||
restaurants.where((element) => element != selectedMarker).toList();
|
||||
|
||||
return Stack(
|
||||
children: [
|
||||
Positioned.fill(
|
||||
child: FakeMap(
|
||||
markers: normalMarkers.map((e) => e.latLong).toList(),
|
||||
selectedMarker: selectedMarker?.latLong,
|
||||
onMarkerSelected: (index) {
|
||||
print(index);
|
||||
if (index == null) {
|
||||
onPinTap(null);
|
||||
} else {
|
||||
Restaurant newSelection = normalMarkers[index];
|
||||
onPinTap(restaurants.indexOf(newSelection));
|
||||
}
|
||||
},
|
||||
),
|
||||
),
|
||||
if (singlePane && selectedMarker != null)
|
||||
Align(
|
||||
alignment: Alignment.bottomCenter,
|
||||
child: Padding(
|
||||
padding: EdgeInsets.all(32.0),
|
||||
child: SizedBox(
|
||||
height: 130,
|
||||
child: Material(
|
||||
elevation: 3,
|
||||
borderRadius: BorderRadius.circular(16.0),
|
||||
child: RestaurantListItem(
|
||||
restaurant: selectedMarker,
|
||||
onTap: () => onPopupTap(selectedRestaurant!)),
|
||||
),
|
||||
),
|
||||
))
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,320 @@
|
|||
import 'package:dual_screen_samples/dual_view_restaurants/data.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
/// Shows a summary of a restaurant.
|
||||
///
|
||||
/// This is used to render items in the Restaurant List pane but is also used
|
||||
/// to show details about the selected pin on the Restaurant Map pane in
|
||||
/// single-screen mode.
|
||||
class RestaurantListItem extends StatelessWidget {
|
||||
final Restaurant restaurant;
|
||||
final bool selected;
|
||||
final VoidCallback? onTap;
|
||||
|
||||
const RestaurantListItem({
|
||||
Key? key,
|
||||
required this.restaurant,
|
||||
this.selected = false,
|
||||
this.onTap,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final price = List.generate(restaurant.priceRange, (index) => '\$').join();
|
||||
return InkWell(
|
||||
onTap: onTap,
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 16.0),
|
||||
child: Row(
|
||||
children: [
|
||||
Image.asset(
|
||||
restaurant.picture,
|
||||
width: 140,
|
||||
),
|
||||
SizedBox(width: 10),
|
||||
Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
restaurant.name,
|
||||
style: Theme.of(context).textTheme.subtitle1,
|
||||
),
|
||||
SizedBox(height: 6),
|
||||
Row(
|
||||
crossAxisAlignment: CrossAxisAlignment.center,
|
||||
children: [
|
||||
Text(
|
||||
restaurant.rating.toStringAsFixed(1),
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
SizedBox(width: 6),
|
||||
Rating(rating: restaurant.rating),
|
||||
SizedBox(width: 6),
|
||||
Text(
|
||||
'(${restaurant.voteCount})',
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 6),
|
||||
Text(
|
||||
'${restaurant.type} • $price',
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
SizedBox(height: 14),
|
||||
Text(
|
||||
'✓ Open now',
|
||||
style: Theme.of(context)
|
||||
.textTheme
|
||||
.caption!
|
||||
.copyWith(color: Colors.lightGreen[800]),
|
||||
),
|
||||
],
|
||||
),
|
||||
Expanded(child: Container()),
|
||||
Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: [
|
||||
if (selected)
|
||||
Icon(
|
||||
Icons.location_pin,
|
||||
color: Colors.red[800]!,
|
||||
size: 32,
|
||||
),
|
||||
Text(
|
||||
'${restaurant.rating.ceil()} min away',
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Simulates a map plugin.
|
||||
///
|
||||
/// A real map implementation would require API keys or other configuration and
|
||||
/// this sample needs to be simple and require no configuration from developers.
|
||||
/// Implementation details are not relevant to the sample.
|
||||
class FakeMap extends StatelessWidget {
|
||||
final List<LatLong> markers;
|
||||
final LatLong? selectedMarker;
|
||||
final ValueChanged<int?> onMarkerSelected;
|
||||
|
||||
const FakeMap({
|
||||
Key? key,
|
||||
this.markers = const [],
|
||||
this.selectedMarker,
|
||||
required this.onMarkerSelected,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Stack(
|
||||
children: [
|
||||
Positioned.fill(
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
onMarkerSelected.call(null);
|
||||
},
|
||||
child: Image.asset(
|
||||
'images/city_map.png',
|
||||
fit: BoxFit.cover,
|
||||
),
|
||||
),
|
||||
),
|
||||
...markers.map(
|
||||
(e) => Positioned(
|
||||
left: e.lat,
|
||||
top: e.long,
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
onMarkerSelected.call(markers.indexOf(e));
|
||||
},
|
||||
child: Container(
|
||||
decoration:
|
||||
ShapeDecoration(shape: CircleBorder(), color: Colors.white),
|
||||
padding: EdgeInsets.all(6),
|
||||
child: Icon(
|
||||
Icons.restaurant,
|
||||
color: Colors.deepOrange,
|
||||
size: 16,
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
if (selectedMarker != null)
|
||||
Positioned(
|
||||
left: selectedMarker!.lat,
|
||||
top: selectedMarker!.long - 14,
|
||||
child: Icon(
|
||||
Icons.location_pin,
|
||||
color: Colors.red[800]!,
|
||||
size: 32,
|
||||
),
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// A separate screen for one restaurant.
|
||||
///
|
||||
/// In this screen the user can order food or start directions or otherwise
|
||||
/// interact with the restaurant.
|
||||
class RestaurantScreen extends StatelessWidget {
|
||||
final Restaurant restaurant;
|
||||
|
||||
const RestaurantScreen({
|
||||
Key? key,
|
||||
required this.restaurant,
|
||||
}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final price = List.generate(restaurant.priceRange, (index) => '\$').join();
|
||||
return Scaffold(
|
||||
appBar: AppBar(title: Text(restaurant.name)),
|
||||
body: TwoPane(
|
||||
pane1: SingleChildScrollView(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(16.0),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Row(
|
||||
children: [
|
||||
Image.asset(
|
||||
restaurant.picture,
|
||||
height: 140,
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(3.0),
|
||||
child: GenericBox(height: 134, width: 134),
|
||||
),
|
||||
Expanded(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(3.0),
|
||||
child: GenericBox(height: 134),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 6),
|
||||
Row(
|
||||
crossAxisAlignment: CrossAxisAlignment.center,
|
||||
children: [
|
||||
Text(
|
||||
restaurant.rating.toStringAsFixed(1),
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
SizedBox(width: 6),
|
||||
Rating(rating: restaurant.rating),
|
||||
SizedBox(width: 6),
|
||||
Text(
|
||||
'(${restaurant.voteCount})',
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
Expanded(child: Container()),
|
||||
Text(
|
||||
'✓ Open now',
|
||||
style: Theme.of(context)
|
||||
.textTheme
|
||||
.caption!
|
||||
.copyWith(color: Colors.lightGreen[800]),
|
||||
),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 6),
|
||||
Text(
|
||||
'${restaurant.type} • $price',
|
||||
style: Theme.of(context).textTheme.caption,
|
||||
),
|
||||
SizedBox(height: 12),
|
||||
GenericBox(height: 14, width: double.infinity),
|
||||
SizedBox(height: 12),
|
||||
GenericBox(height: 14, width: double.infinity),
|
||||
SizedBox(height: 12),
|
||||
GenericBox(height: 14, width: double.infinity),
|
||||
SizedBox(height: 14),
|
||||
Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: GenericBox(height: 100, width: double.infinity)),
|
||||
SizedBox(width: 12),
|
||||
Expanded(
|
||||
child: GenericBox(height: 100, width: double.infinity)),
|
||||
],
|
||||
),
|
||||
SizedBox(height: 12),
|
||||
GenericBox(height: 14, width: double.infinity),
|
||||
SizedBox(height: 12),
|
||||
GenericBox(height: 150, width: double.infinity),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
pane2: Stack(
|
||||
children: [
|
||||
Positioned.fill(child: Image.asset('images/city_map.png', fit: BoxFit.cover)),
|
||||
Center(
|
||||
child: Icon(
|
||||
Icons.location_pin,
|
||||
color: Colors.red[800]!,
|
||||
size: 32,
|
||||
),
|
||||
)
|
||||
],
|
||||
),
|
||||
panePriority: MediaQuery.of(context).hinge == null
|
||||
? TwoPanePriority.pane1
|
||||
: TwoPanePriority.both,
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Grey box used to fill the screen with temporary content.
|
||||
class GenericBox extends StatelessWidget {
|
||||
final double? width, height;
|
||||
|
||||
const GenericBox({Key? key, this.width, this.height}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Container(
|
||||
width: width,
|
||||
height: height,
|
||||
decoration: BoxDecoration(
|
||||
color: Colors.grey, borderRadius: BorderRadius.circular(16)),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Shows a 5-star rating.
|
||||
class Rating extends StatelessWidget {
|
||||
final double rating;
|
||||
static const int maxRating = 5;
|
||||
|
||||
const Rating({Key? key, required this.rating})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return ShaderMask(
|
||||
blendMode: BlendMode.srcATop,
|
||||
shaderCallback: (bounds) => LinearGradient(
|
||||
colors: [Colors.yellow[700]!, Colors.yellow[700]!, Colors.grey],
|
||||
stops: [0.0, rating / maxRating, rating / maxRating])
|
||||
.createShader(bounds),
|
||||
child: Row(
|
||||
children:
|
||||
List.generate(maxRating, (index) => Icon(Icons.star, size: 14)),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,200 @@
|
|||
import 'dart:math';
|
||||
|
||||
import 'package:dual_screen/dual_screen.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'dart:ui' as ui;
|
||||
|
||||
class HingeAngle extends StatelessWidget {
|
||||
const HingeAngle({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: const Text('Hinge Angle'),
|
||||
),
|
||||
body: TwoPane(
|
||||
pane1: Padding(
|
||||
padding: const EdgeInsets.all(8.0),
|
||||
child: Column(
|
||||
children: [
|
||||
Table(
|
||||
columnWidths: {
|
||||
0: FractionColumnWidth(0.3),
|
||||
1: FractionColumnWidth(0.1),
|
||||
},
|
||||
children: [
|
||||
row(
|
||||
Text('Variable'),
|
||||
Text('Value'),
|
||||
Text('Explanation'),
|
||||
),
|
||||
row(
|
||||
Text('MediaQuery\nposture'),
|
||||
Text(format(MediaQuery.of(context).displayFeatures)),
|
||||
Text(
|
||||
'The Posture is enough for most UX you want to build. This is reported only if the app is spanned.'),
|
||||
),
|
||||
row(
|
||||
Text('DualScreenInfo.\nhasHingeAngleSensor'),
|
||||
FutureBuilder<bool>(
|
||||
future: DualScreenInfo.hasHingeAngleSensor,
|
||||
builder: (context, hasHingeAngleSensor) {
|
||||
return Text(
|
||||
hasHingeAngleSensor.data?.toString() ?? 'N/A');
|
||||
},
|
||||
),
|
||||
Text(
|
||||
'Both foldable and dual screen devices have hinges. Use this property to know if the device has a hinge angle sensor.'),
|
||||
),
|
||||
row(
|
||||
Text('DualScreenInfo.\nhingeAngleEvents'),
|
||||
StreamBuilder<double>(
|
||||
stream: DualScreenInfo.hingeAngleEvents,
|
||||
builder: (context, hingeAngle) {
|
||||
return Text(
|
||||
hingeAngle.data?.toStringAsFixed(2) ?? 'N/A*');
|
||||
},
|
||||
),
|
||||
Text(
|
||||
'Stream<double> with the latest hinge angle. The angle is reported even when the app is not spanned.'),
|
||||
),
|
||||
],
|
||||
),
|
||||
Expanded(
|
||||
child: StreamBuilder<double>(
|
||||
stream: DualScreenInfo.hingeAngleEvents,
|
||||
builder: (context, hingeAngle) {
|
||||
if (hingeAngle.data == null) {
|
||||
return Center(
|
||||
child: Text(
|
||||
'* This sample shows you what the value of the hinge angle is. This requires a foldable or dual screen device or emulator. The emulator has an "Extended Controls" window where you can change the angle.'));
|
||||
} else {
|
||||
return AngleIndicator(angle: hingeAngle.data!);
|
||||
}
|
||||
},
|
||||
))
|
||||
],
|
||||
),
|
||||
),
|
||||
pane2: Container(),
|
||||
panePriority: MediaQuery.of(context).hinge == null
|
||||
? TwoPanePriority.pane1
|
||||
: TwoPanePriority.both,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
TableRow row(Widget a, b, c) {
|
||||
return TableRow(children: [
|
||||
Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 4.0, vertical: 8),
|
||||
child: a,
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 4.0, vertical: 8),
|
||||
child: b,
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 4.0, vertical: 8),
|
||||
child: c,
|
||||
),
|
||||
]);
|
||||
}
|
||||
|
||||
String format(List<ui.DisplayFeature> displayFeatures) {
|
||||
if (displayFeatures.isEmpty) {
|
||||
return 'N/A';
|
||||
} else {
|
||||
return displayFeatures.map((e) => formatPosture(e.state)).join(', ');
|
||||
}
|
||||
}
|
||||
|
||||
String formatPosture(ui.DisplayFeatureState displayFeatureState) {
|
||||
final longForm = displayFeatureState.toString();
|
||||
if (longForm.length < 20) {
|
||||
return longForm;
|
||||
} else if (longForm.length < 27) {
|
||||
return longForm.substring(20);
|
||||
} else {
|
||||
return longForm.substring(27);
|
||||
}
|
||||
// switch (displayFeatureState) {
|
||||
// case DisplayFeatureState.unknown:
|
||||
// return 'unknown';
|
||||
// case DisplayFeatureState.postureFlat:
|
||||
// return 'Flat';
|
||||
// case DisplayFeatureState.postureHalfOpened:
|
||||
// return 'HalfOpened';
|
||||
// case DisplayFeatureState.postureFlipped:
|
||||
// return 'Flipped';
|
||||
// }
|
||||
// return 'unknown';
|
||||
}
|
||||
}
|
||||
|
||||
class AngleIndicator extends StatelessWidget {
|
||||
final double angle;
|
||||
|
||||
const AngleIndicator({Key? key, required this.angle}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Center(
|
||||
child: AspectRatio(
|
||||
aspectRatio: 1.0,
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(32.0),
|
||||
child: Stack(
|
||||
children: [
|
||||
Positioned.fill(
|
||||
child: CustomPaint(
|
||||
painter: AnglePainter(
|
||||
angle: angle,
|
||||
color: Theme.of(context).primaryColor,
|
||||
),
|
||||
),
|
||||
),
|
||||
Positioned(
|
||||
bottom: 100,
|
||||
left: 0.0,
|
||||
right: 0.0,
|
||||
child: Text(
|
||||
'${angle.toStringAsFixed(2)}°',
|
||||
style: TextStyle(fontSize: 64),
|
||||
textAlign: TextAlign.center,
|
||||
),
|
||||
)
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class AnglePainter extends CustomPainter {
|
||||
final double angle;
|
||||
final Color color;
|
||||
|
||||
AnglePainter({required this.angle, this.color = Colors.black});
|
||||
|
||||
@override
|
||||
void paint(Canvas canvas, Size size) {
|
||||
var paint1 = Paint()
|
||||
..color = color
|
||||
..style = PaintingStyle.fill;
|
||||
final radians = angle * (pi / 180);
|
||||
canvas.drawArc(
|
||||
Offset(0, 0) & size,
|
||||
-pi / 2 - radians / 2, //radians
|
||||
radians, //radians
|
||||
true,
|
||||
paint1,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
bool shouldRepaint(AnglePainter oldDelegate) =>
|
||||
oldDelegate.angle != angle || oldDelegate.color != color;
|
||||
}
|
|
@ -1,4 +1,8 @@
|
|||
import 'package:dual_screen_samples/two_page.dart';
|
||||
import 'package:dual_screen_samples/companion_pane/companion_pane.dart';
|
||||
import 'package:dual_screen_samples/dual_view_notepad/dual_view_notepad.dart';
|
||||
import 'package:dual_screen_samples/dual_view_restaurants/dual_view_restaurants.dart';
|
||||
import 'package:dual_screen_samples/hinge_angle/hinge_angle.dart';
|
||||
import 'package:dual_screen_samples/two_page/two_page.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:url_launcher/url_launcher.dart';
|
||||
|
||||
|
@ -9,17 +13,38 @@ void main() {
|
|||
List<SampleMeta> sampleCatalogue = [
|
||||
SampleMeta(
|
||||
'Two Page',
|
||||
'A book-like reading experience with swipe gestures',
|
||||
'A book-like reading experience. You can see two pages simultaneously.',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/two_page/two_page.dart',
|
||||
'/two-page',
|
||||
(context) => TwoPageSample(),
|
||||
(context) => TwoPage(),
|
||||
),
|
||||
SampleMeta(
|
||||
'Two Page 2',
|
||||
'A book-like reading experience with swipe gestures',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/two_page/two_page.dart',
|
||||
'/two-page2',
|
||||
(context) => TwoPageSample(),
|
||||
'Dual View Notepad',
|
||||
'Markdown editor where you edit on one screen and preview on the other.',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/dual_view_notepad/dual_view_notepad.dart',
|
||||
'/dual-view-notepad',
|
||||
(context) => DualViewNotepad(),
|
||||
),
|
||||
SampleMeta(
|
||||
'Dual View Restaurants',
|
||||
'A list of restaurants on one screen and a map with pins on the other.',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/dual_view_restaurants/dual_view_restaurants.dart',
|
||||
'/dual-view-restaurants',
|
||||
(context) => DualViewRestaurants(),
|
||||
),
|
||||
SampleMeta(
|
||||
'Companion Pane',
|
||||
'Image editor with a preview on one screen and the filters on the other.',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/companion_pane/companion_pane.dart',
|
||||
'/companion-pane',
|
||||
(context) => CompanionPane(),
|
||||
),
|
||||
SampleMeta(
|
||||
'Hinge Angle',
|
||||
'Interact with the hinge hardware to see the angle change the UI.',
|
||||
'https://github.com/microsoft/flutter-dualscreen-samples/blob/main/lib/hinge_angle/hinge_angle.dart',
|
||||
'/hinge-angle',
|
||||
(context) => HingeAngle(),
|
||||
),
|
||||
];
|
||||
|
||||
|
|
|
@ -1,82 +1,6 @@
|
|||
import 'package:flutter/material.dart';
|
||||
import 'package:google_fonts/google_fonts.dart';
|
||||
|
||||
class TwoPageSample extends StatelessWidget {
|
||||
const TwoPageSample({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// Default values for single screen mode
|
||||
Axis axis = Axis.horizontal;
|
||||
double viewPortFraction = 1.0;
|
||||
Size pageSize = MediaQuery.of(context).size;
|
||||
Size lastPageSize = MediaQuery.of(context).size;
|
||||
EdgeInsets pagePadding = EdgeInsets.zero;
|
||||
EdgeInsets lastPagePadding = EdgeInsets.zero;
|
||||
final isDualScreen = MediaQuery.of(context).hinge != null;
|
||||
if (isDualScreen) {
|
||||
final Size hingeSize = MediaQuery.of(context).hinge!.bounds.size;
|
||||
axis = hingeSize.aspectRatio > 1.0 ? Axis.vertical : Axis.horizontal;
|
||||
if (axis == Axis.horizontal) {
|
||||
// Dual-screen with screens left-and-right
|
||||
pageSize = Size(MediaQuery.of(context).hinge!.bounds.right,
|
||||
MediaQuery.of(context).size.height);
|
||||
pagePadding = EdgeInsets.only(right: hingeSize.width);
|
||||
lastPageSize = Size(pageSize.width - hingeSize.width, pageSize.height);
|
||||
viewPortFraction = pageSize.width / MediaQuery.of(context).size.width;
|
||||
} else {
|
||||
// Dual-screen with screens top-and-bottom
|
||||
final barsHeight =
|
||||
MediaQuery.of(context).viewPadding.top + kToolbarHeight;
|
||||
pageSize = Size(MediaQuery.of(context).size.width,
|
||||
MediaQuery.of(context).hinge!.bounds.bottom - barsHeight);
|
||||
pagePadding = EdgeInsets.only(bottom: hingeSize.height);
|
||||
lastPageSize = Size(
|
||||
pageSize.width, pageSize.height + barsHeight - hingeSize.height);
|
||||
lastPagePadding = EdgeInsets.only(bottom: barsHeight);
|
||||
viewPortFraction =
|
||||
pageSize.height / (MediaQuery.of(context).size.height - barsHeight);
|
||||
}
|
||||
}
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: Text('Two Page Sample'),
|
||||
),
|
||||
body: ListView(
|
||||
scrollDirection: axis,
|
||||
physics: PageScrollPhysics(),
|
||||
controller: PageController(viewportFraction: viewPortFraction),
|
||||
children: [
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page1(),
|
||||
),
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page2(),
|
||||
),
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page3(),
|
||||
),
|
||||
Container(
|
||||
width: lastPageSize.width,
|
||||
height: lastPageSize.height,
|
||||
padding: lastPagePadding,
|
||||
child: Page4(),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class Page1 extends StatelessWidget {
|
||||
const Page1({Key? key}) : super(key: key);
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
import 'package:dual_screen_samples/two_page/data.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class TwoPage extends StatelessWidget {
|
||||
const TwoPage({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// Default values for single screen mode
|
||||
Axis axis = Axis.horizontal;
|
||||
double viewPortFraction = 1.0;
|
||||
Size pageSize = MediaQuery.of(context).size;
|
||||
Size lastPageSize = MediaQuery.of(context).size;
|
||||
EdgeInsets pagePadding = EdgeInsets.zero;
|
||||
EdgeInsets lastPagePadding = EdgeInsets.zero;
|
||||
final isDualScreen = MediaQuery.of(context).hinge != null;
|
||||
if (isDualScreen) {
|
||||
final Size hingeSize = MediaQuery.of(context).hinge!.bounds.size;
|
||||
axis = hingeSize.aspectRatio > 1.0 ? Axis.vertical : Axis.horizontal;
|
||||
if (axis == Axis.horizontal) {
|
||||
// Dual-screen with screens left-and-right
|
||||
pageSize = Size(MediaQuery.of(context).hinge!.bounds.right,
|
||||
MediaQuery.of(context).size.height);
|
||||
pagePadding = EdgeInsets.only(right: hingeSize.width);
|
||||
lastPageSize = Size(pageSize.width - hingeSize.width, pageSize.height);
|
||||
viewPortFraction = pageSize.width / MediaQuery.of(context).size.width;
|
||||
} else {
|
||||
// Dual-screen with screens top-and-bottom
|
||||
final barsHeight =
|
||||
MediaQuery.of(context).viewPadding.top + kToolbarHeight;
|
||||
pageSize = Size(MediaQuery.of(context).size.width,
|
||||
MediaQuery.of(context).hinge!.bounds.bottom - barsHeight);
|
||||
pagePadding = EdgeInsets.only(bottom: hingeSize.height);
|
||||
lastPageSize = Size(
|
||||
pageSize.width, pageSize.height + barsHeight - hingeSize.height);
|
||||
lastPagePadding = EdgeInsets.only(bottom: barsHeight);
|
||||
viewPortFraction =
|
||||
pageSize.height / (MediaQuery.of(context).size.height - barsHeight);
|
||||
}
|
||||
}
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: Text('Two Page'),
|
||||
),
|
||||
body: ListView(
|
||||
scrollDirection: axis,
|
||||
physics: PageScrollPhysics(),
|
||||
controller: PageController(viewportFraction: viewPortFraction),
|
||||
children: [
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page1(),
|
||||
),
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page2(),
|
||||
),
|
||||
Container(
|
||||
width: pageSize.width,
|
||||
height: pageSize.height,
|
||||
padding: pagePadding,
|
||||
child: Page3(),
|
||||
),
|
||||
Container(
|
||||
width: lastPageSize.width,
|
||||
height: lastPageSize.height,
|
||||
padding: lastPagePadding,
|
||||
child: Page4(),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
149
pubspec.lock
|
@ -1,6 +1,20 @@
|
|||
# Generated by pub
|
||||
# See https://dart.dev/tools/pub/glossary#lockfile
|
||||
packages:
|
||||
ansicolor:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: ansicolor
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.1.1"
|
||||
args:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: args
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.1.0"
|
||||
async:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -43,6 +57,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.15.0"
|
||||
console_log_handler:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: console_log_handler
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.1.6"
|
||||
crypto:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -50,6 +71,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.0.1"
|
||||
dual_screen:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
path: "../dual_screen"
|
||||
relative: true
|
||||
source: path
|
||||
version: "1.0.0"
|
||||
fake_async:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -76,6 +104,27 @@ packages:
|
|||
description: flutter
|
||||
source: sdk
|
||||
version: "0.0.0"
|
||||
flutter_image:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: flutter_image
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "3.0.0"
|
||||
flutter_map:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: flutter_map
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.12.0"
|
||||
flutter_markdown:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: flutter_markdown
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.6.2"
|
||||
flutter_test:
|
||||
dependency: "direct dev"
|
||||
description: flutter
|
||||
|
@ -107,6 +156,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "4.0.0"
|
||||
intl:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: intl
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.17.0"
|
||||
js:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -114,6 +170,34 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.6.3"
|
||||
latlong:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: latlong
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.6.1"
|
||||
lists:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: lists
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.1.6"
|
||||
logging:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: logging
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.11.4"
|
||||
markdown:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: markdown
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "4.0.0"
|
||||
matcher:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -128,6 +212,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.3.0"
|
||||
mgrs_dart:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: mgrs_dart
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.1"
|
||||
path:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -191,6 +282,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.0"
|
||||
positioned_tap_detector:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: positioned_tap_detector
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.3"
|
||||
process:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -198,6 +296,20 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "4.2.1"
|
||||
proj4dart:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: proj4dart
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.5"
|
||||
quiver:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: quiver
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.1.5"
|
||||
sky_engine:
|
||||
dependency: transitive
|
||||
description: flutter
|
||||
|
@ -245,6 +357,20 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.2.19"
|
||||
transparent_image:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: transparent_image
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.0"
|
||||
tuple:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: tuple
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.3"
|
||||
typed_data:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -252,6 +378,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.3.0"
|
||||
unicode:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: unicode
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "0.2.4"
|
||||
url_launcher:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
|
@ -294,6 +427,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.0"
|
||||
validate:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: validate
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.7.0"
|
||||
vector_math:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -308,6 +448,13 @@ packages:
|
|||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "2.0.5"
|
||||
wkt_parser:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: wkt_parser
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
version: "1.0.7"
|
||||
xdg_directories:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
@ -317,4 +464,4 @@ packages:
|
|||
version: "0.2.0"
|
||||
sdks:
|
||||
dart: ">=2.12.0 <3.0.0"
|
||||
flutter: ">=1.22.0"
|
||||
flutter: ">=2.0.0"
|
||||
|
|
|
@ -11,6 +11,10 @@ dependencies:
|
|||
sdk: flutter
|
||||
url_launcher: ^6.0.3
|
||||
google_fonts: ^2.0.0
|
||||
flutter_markdown: ^0.6.2
|
||||
flutter_map: ^0.12.0
|
||||
dual_screen:
|
||||
path: ../dual_screen
|
||||
|
||||
dev_dependencies:
|
||||
flutter_test:
|
||||
|
|