text stringlengths 1 474 |
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also uncomment platform :ios, '12.0' and set the |
version to the lowest of the two target’s iOS |
Deployment Target.For add-to-app, add to:with:8.2From the command line, |
enter your Flutter project directory |
and then install the pod:<topic_end> |
<topic_start> |
Run |
You can now run your App Clip target from Xcode by |
selecting your App Clip target from the scheme drop-down, |
selecting an iOS 16 or higher device and pressing run.To test launching an App Clip from the beginning, |
also consult Apple’s doc on |
Testing Your App Clip’s Launch Experience.<topic_end> |
<topic_start> |
Debugging, hot reload |
Unfortunately flutter attach cannot auto-discover |
the Flutter session in an App Clip due to |
networking permission restrictions.In order to debug your App Clip and use functionalities |
like hot reload, you must look for the Observatory URI |
from the console output in Xcode after running.You must then copy and paste it back into the |
flutter attach command to connect.For example: |
<topic_end> |
<topic_start>Adding iOS app extensions |
iOS app extensions allow you to expand functionality |
outside your app. Your app could appear as a home screen widget, |
or you can make portions of your app available within other apps.To learn more about app extensions, check out |
Apple’s documentation.info Note |
If you experience a build error when building an |
iOS app that includes an app extension, be |
aware that there is an open bug. The workaround |
involves changing the order of the build process. |
For more information, check out |
Issue #9690 and Issue #135056.<topic_end> |
<topic_start> |
How do you add an app extension to your Flutter app? |
To add an app extension to your Flutter app, |
add the extension point target to your Xcode project.In Xcode, select File -> New -> Target from the menu bar.To learn how to add a home screen widget to your iOS device, |
check out the |
Adding a Home Screen Widget to your Flutter app |
codelab.<topic_end> |
<topic_start> |
How do Flutter apps interact with App Extensions? |
Flutter apps interact with app extensions using the same |
techniques as UIKit or SwiftUI apps. |
The containing app and the app extension don’t communicate directly. |
The containing app might not be running while the device user |
interacts with the extension. |
The app and your extension can read and write to |
shared resources or use higher-level APIs |
to communicate with each other.<topic_end> |
<topic_start> |
Using higher-level APIs |
Some extensions have APIs. For example, |
the Core Spotlight framework indexes your app, |
allowing users to search from Spotlight and Safari. |
The WidgetKit framework can trigger an update |
of your home screen widget.To simplify how your app communicates with extensions, |
Flutter plugins wrap these APIs. |
To find plugins that wrap extension APIs, |
check out Leveraging Apple’s System APIs and Frameworks |
or search pub.dev.<topic_end> |
<topic_start> |
Sharing resources |
To share resources between your Flutter app |
and your app extension, put the Runner app target |
and the extension target in the same App Group.info Note |
You must be signed in to your Apple Developer account.To add a target to an App Group:Choose which App Group you want to add the target from |
one of two options:When two targets belong to the same App Group, |
they can read from and write to the same source. |
Choose one of the following sources for your data.<topic_end> |
<topic_start> |
Background updates |
Background tasks provide a means to update your extension |
through code regardless of the status of your app.To schedule background work from your Flutter app, |
use the workmanager plugin.<topic_end> |
<topic_start> |
Deep linking |
You might want to direct users from an |
app extension to a specific page in your Flutter app. |
To open a specific route in your app, |
you can use Deep Linking.<topic_end> |
<topic_start> |
Creating app extension UIs with Flutter |
Some app extensions display a user interface.For example, share extensions allow users to conveniently |
share content with other apps, |
such as sharing a picture to create |
a new post on a social media app.As of the 3.16 release, you can build |
Flutter UI for an app extension, |
though you must use an extension-safe |
Flutter.xcframework and embed the |
FlutterViewController as described in |
the following section.info Note |
Due to the memory limitations of app extensions, |
use Flutter to build an app extension UI for extension |
types that have memory limits larger than 100MB. |
For example, Share extensions have a 120MB memory limit.In addition, Flutter uses extra memory in debug mode. |
Therefore, Flutter doesn’t fully support running |
app extensions in debug mode on physical devices |
when used to build extension UI; it might run out of memory. |
As an alternative, |
use an iOS simulator to test your extension in debug mode.Locate the extension-safe Flutter.xcframework file, |
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