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Since Flutter tracing is wired up to Fuchsia system level tracing (and that includes Skia tracing within Flutter), it makes more sense to enable Skia tracing by default on Fuchsia, and to control Flutter Skia tracing, rely on whether Fuchsia system tracing is enabled, in progress, and contains the "skia" category.
Flutter Engine
Flutter is Google's mobile app SDK for crafting high-quality native interfaces in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.
The Flutter Engine is a portable runtime for hosting Flutter applications. It implements Flutter's core libraries, including animation and graphics, file and network I/O, accessibility support, plugin architecture, and a Dart runtime and compile toolchain. Most developers will interact with Flutter via the Flutter Framework, which provides a modern, reactive framework, and a rich set of platform, layout and foundation widgets.
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