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https://github.com/MisterJimson/multi_screen_layout
A collection of Flutter Widgets that make multi screen user experiences easy to build
https://github.com/MisterJimson/multi_screen_layout
dart flip flutter fold samsung surface-duo
Last synced: about 2 months ago
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A collection of Flutter Widgets that make multi screen user experiences easy to build
- Host: GitHub
- URL: https://github.com/MisterJimson/multi_screen_layout
- Owner: MisterJimson
- License: mit
- Created: 2020-09-03T13:13:20.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2021-12-21T18:39:01.000Z (over 2 years ago)
- Last Synced: 2024-07-26T17:55:45.609Z (about 2 months ago)
- Topics: dart, flip, flutter, fold, samsung, surface-duo
- Language: Dart
- Homepage:
- Size: 4.16 MB
- Stars: 78
- Watchers: 5
- Forks: 9
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
# Multi Screen Layout for Flutter
[](https://pub.dev/packages/multi_screen_layout)
A collection of Widgets that make multi screen user experiences easy to build
## Supported Devices
- [x] Surface Duo
- [x] Surface Duo 2
- [x] Galaxy Z Fold 1 (Flex Mode)
- [x] Galaxy Z Fold 2 (Flex Mode)
- [x] Galaxy Z Flip (Flex Mode)
- [ ] LG Wing
If you know of other devices that could support multi screen layouts, please submit a PR and add them to this list.
## Install
In your pubspec.yaml
```yaml
dependencies:
multi_screen_layout: ^3.1.0
```
In your app build.gradle
```
dependencies {
implementation "androidx.window:window:1.0.0-rc01"
implementation 'androidx.window:window-java:1.0.0-rc01'
}
```
## Testing
For testing without access to these physical devices you can use some specific emulators.
- 6.7 Horizontal Fold-in emulator available in Android Studio
- 7.6 Fold-in with outer display emulator available in Android Studio
- 8 Fold-out emulator available in Android Studio
- Surface Duo Emulator available [here](https://www.microsoft.com/en-us/download/details.aspx?id=100847).
## Layouts
### TwoPageLayout
Displays two Widgets, one per screen.
On a Microsoft dual screen device when the app is being spanned across two screens, TwoPageLayout displays both widgets, one per screen. This is designed to help you build Two Page, Dual View, and Companion Pane [dual screen app patterns from Microsoft](https://docs.microsoft.com/en-us/dual-screen/introduction#dual-screen-app-patterns).
On a folding screen device when the display could be utilized to split content areas, TwoPageLayout displays both widgets, one per content area. This is designed to help you build [Flex Mode](https://developer.samsung.com/galaxy-z/flex-mode.html) user experiences. You can read more about how when to split content is decided in the [AndroidX WindowManager documentation](https://developer.android.com/reference/androidx/window/layout/FoldingFeature#isSeparating()).
On a single screen device, or when the app is only running on a single screen, only `child` will be displayed.
```dart
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return TwoPageLayout(
child: Scaffold(body: Center(child: Text('Hello from page 1!'))),
secondChild: Scaffold(body: Center(child: Text('Hello from page 2!'))),
);
}
}
```
#### Surface Duo Example
#### Samsung Z Fold 2 Flex Mode Example
[See video here](https://i.imgur.com/I6lAkYF.mp4)
### MasterDetailLayout
Very similar to `TwoPageLayout`. This layout has better support for having related, "deeper", content in the second page that would usually be accessed by navigating to a new page.
It's common to use this type of layout when you have a list of items that when tapped let you view a detailed view of the item. Email and instant messaging apps are good examples of this.
On a single screen device, or when the app is only running on a single screen, `master` will display first. When `isSelected` is true, `detail` is displayed as a new page on top of `master`, similar to using `Navigator.push`.
When displaying on 2 screens, both `master` and `detail` display at the same time and no navigation occurs. Even when `isSelected` is false.
Similar to `TwoPageLayout`, on a folding screen device when the screen is half opened the screen is treated as a dual screen device.
`MasterDetailLayout` also handles switching between spanned and non-spanned modes appropriately, so the UI will be the same if you select and then span, or span and then select.
```dart
class MasterDetailLayoutExample extends StatefulWidget {
@override
_MasterDetailLayoutExampleState createState() =>
_MasterDetailLayoutExampleState();
}
class _MasterDetailLayoutExampleState extends State {
int selectedItem;
@override
Widget build(BuildContext context) {
return MasterDetailLayout(
master: EmailList(onItemSelected: (selected) {
setState(() {
selectedItem = selected;
});
}),
detail: EmailDetail(itemNumber: selectedItem),
isSelected: selectedItem != null,
);
}
}
```
#### Surface Duo Example
#### Samsung Z Fold 2 Flex Mode Example
[See video here](https://i.imgur.com/dHFlvMx.mp4)
## Direct Data Access
Direct access is for advanced uses cases. The above layouts should be suitable for most apps.
There may be cases where you want to access multi screen information instead of just using the above layout widgets. Here is how to do that.
### MultiScreenInfo
`MultiScreenInfo` is a Widget that lets you access information about the device directly in your Widget tree, it will rebuild when the data changes.
```dart
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: MultiScreenInfo(
builder: (info) {
return Column(
children: [
Text('The below information is from the Surface Duo SDK'),
Text('isAppSpanned: ${info.surfaceDuoInfoModel.isSpanned}'),
Text('hingeAngle: ${info.surfaceDuoInfoModel.hingeAngle}'),
],
);
},
),
);
}
}
```
### PlatformHandlers
If you need access to information about the device outside of the Widget tree, you can also make platform calls yourself.
#### SurfaceDuoPlatformHandler
```dart
Future getSurfaceDuoInfo() async {
var hingeAngle = await SurfaceDuoPlatformHandler.getHingeAngle();
var isDual = await SurfaceDuoPlatformHandler.getIsDual();
var isSpanned = await SurfaceDuoPlatformHandler.getIsSpanned();
var nonFunctionalBounds = await SurfaceDuoPlatformHandler.getNonFunctionalBounds();
}
```
## Extra Documentation
- [Microsoft Dual Screen](https://docs.microsoft.com/en-us/dual-screen/introduction)
- [Samsung Flex Mode](https://developer.samsung.com/galaxy-z/flex-mode.html)
- [Android Window DeviceState](https://developer.android.com/reference/androidx/window/DeviceState)