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Usages of ParagraphConstraints (from dart:ui) whose constructor could be const as of flutter/engine#7346 are currently marked // ignore:prefer_const_constructors in the framework until all Google-internal embedders have been updated to an engine version that includes the above change. These were initially updated in engine roll flutter/flutter#26252, but broke internal embedders. We should re-enable use of the const constructor in those cases once internal embedders are updated. See: https://github.com/flutter/flutter/issues/26390
Flutter Examples
This directory contains several examples of using Flutter. To run an example,
use flutter run inside that example's directory. See the getting started
guide to install the flutter tool.
For additional samples, see the
flutter/samples repo.
Available examples include:
-
Hello, world The hello world app is a minimal Flutter app that shows the text "hello, world."
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Flutter gallery The flutter gallery app showcases Flutter's widgets, including its implementation of material design.
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Layers The layers vignettes show how to use the various layers in the Flutter framework. For details, see the layers README.
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Platform Channel The platform channel app demonstrates how to connect a Flutter app to platform-specific APIs. For documentation, see https://flutter.io/platform-channels/.
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Platform Channel Swift The platform channel swift app is the same as platform channel but the iOS version is in Swift and there is no Android version.
Notes
Note on Gradle wrapper files in .gitignore:
Gradle wrapper files should normally be checked into source control. The example projects don't do that to avoid having several copies of the wrapper binary in the Flutter repo. Instead, the Gradle wrapper is injected by Flutter tooling, and the wrapper files are .gitignore'd to avoid making the Flutter repository dirty as a side effect of running the examples.