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[macOS] Revise the doc for FlutterViewController initializers #52242

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@dkwingsmt dkwingsmt commented Apr 19, 2024

This RP adds more details to the initializers.

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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact "@test-exemption-reviewer" in the #hackers channel in Chat (don't just cc them here, they won't see it! Use Discord!).

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* This initializer is a shorthand for creating an engine explicitly and
* initializing with `initWithEngine:nibName:bundle:`.
*
* Since the created engine is only referred by this view controller, once thie
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Suggested change
* Since the created engine is only referred by this view controller, once thie
* Since the created engine is only referred by this view controller, once the

* initializing with `initWithEngine:nibName:bundle:`.
*
* Since the created engine is only referred by this view controller, once thie
* view controller is deallocated, the engine will be shut down, unless anther
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* view controller is deallocated, the engine will be shut down, unless anther
* view controller is deallocated, the engine will be shut down, unless another

@@ -84,13 +84,26 @@ FLUTTER_DARWIN_EXPORT
@property(nonatomic) FlutterMouseTrackingMode mouseTrackingMode;

/**
* Initializes a controller that will run the given project.
* Initializes this `FlutterViewController` for the implicit view of a new
* `FlutterEngine`.
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I prefer the original sentence here:

Initializes a controller that will run the given project.

I don't think we're ready yet to expose the implicit view to the user. This isn't something folks have needed to know about today. Could we punt this "implicit view" messaging until we're ready to migrate folks off the implicit view?

* [PlatformDispatcher.implicitView](https://api.flutter.dev/flutter/dart-ui/PlatformDispatcher/implicitView.html).
*
* There isn't a way to create a `FlutterViewController` that's not attached
* to an engine.
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Does this need to be on this doc? I would consider removing this.

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