feat: migrate to SceneDelegate#53744
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…eDelegate and AppDelegate
…ifecycle-originating updates from DeviceEventEmitter
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…lias with more descriptive name
…ility UIApplicationSceneManifest.UIApplicationSupportsMultipleScenes is enabled
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…sive window resizing on iOS platform
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…ensure devtools will log it too
…ts and animating the container transform, drop RCTResizeThrottler
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Summary:
This PR introduces a migration from the now-deprecated iOS AppDelegate to SceneDelegate, as well as the changes to React Native code that will migrate to APIs allowing it to work fine with the SceneDelegate approach. There are two primary goals of this API:
The changes are additive to RN and maintain backwards compatibility, but require user-space modifications to RN apps that want to migrate from AppDelegate to the scene lifecycle.
The RFC documenting the details is available here.
Follow-ups:
After merging this PR, the AppDelegate will be deprecated, but still available. After a future de-integration of AppDelegate,
packages/react-native/Libraries/AppDelegateand contained files should be renamed.Additional information
One capability that can be leveraged with the SceneDelegate on iPadOS is multi-window (multi-instance) support, which would cause all sorts of problems in the current React Native core and 3p libraries' designs. Therefore, enabling this capability is currently unsupported by React Native and to enforce this, a warning message like the one below would be printed provided this capability had been enabled:
Changelog:
[IOS] [ADDED] - SceneDelegate support with backwards compatibility to AppDelegate-only approaches
[IOS] [ADDED] - DeviceInfo to update the value returned by getConstants upon frame change
[IOS] [ADDED] - additional scheme: RNTester (AppDelegate), allowing to run RNTester with AppDelegate infrastructure
[IOS] [ADDED] - print warning from RCTReactNativeFactory if UIApplicationSceneManifest.UIApplicationSupportsMultipleScenes in Info.plist is set to true, which is unsupported by RN to prevent bugs due to simultaneously running multiple instances of an app
Test Plan: