Do I need Xcode for Flutter?

Without xcode you will not be able to build a flutter app that runs on an iOS simulator or device as xcode is what builds for the iOS platform. You will be able to run it on an android emulator that you configure and launch from within Android Studio, and that will work regardless of if xcode is installed.

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How does a Flutter engine work?

The engine is platform-agnostic, presenting a stable ABI (Application Binary Interface) that provides a platform embedder with a way to set up and use Flutter . The platform embedder is the native OS application that hosts all Flutter content, and acts as the glue between the host operating system and Flutter.

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