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[camera_avfoundation] Implementation swift migration #8988

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RobertOdrowaz
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@RobertOdrowaz RobertOdrowaz commented Apr 3, 2025

Migrates camera implementation as part of flutter/flutter#119109

This PR includes the CameraPlugin class migration. Some additional changes regarding imports were necessary to keep Swift Package Manager compatibility. SPM does not support mixed languages in a single target. I assume there might be a better solution so I'm open to suggestions

After splitting only a new target for SPM is created in this PR and the objc implementation is moved to a dedicated directory.

During the plugin's migration from ObjC to Swift, there will be a transitional period during which the implementation will be mixed, with some parts already migrated to Swift and some still in ObjC. This is somewhat problematic with SwiftPM. SwiftPM does support packages with mixed language implementation but different languages have to be in separate targets. Every target defines a separate module which means that in some cases both have to be imported. However, this only applies to SwiftPM with Cocoapods we can mix Swift and ObjC code in the same pod and have a single module. Simmingly the best solution is to use conditional imports for the additional module when SwiftPM during the migration.

@testable import camera_avfoundation

#if canImport(camera_avfoundation_objc)
  @testable import camera_avfoundation_objc
#endif

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@RobertOdrowaz RobertOdrowaz force-pushed the feature/camera-implementation-swift-migration branch from 9ba0c7b to 24ef036 Compare April 4, 2025 14:54
@RobertOdrowaz RobertOdrowaz force-pushed the feature/camera-implementation-swift-migration branch 2 times, most recently from 1d00092 to 912ce03 Compare April 5, 2025 11:52
@RobertOdrowaz RobertOdrowaz force-pushed the feature/camera-implementation-swift-migration branch 2 times, most recently from c0faae7 to d99fe5c Compare April 12, 2025 17:53
@hellohuanlin
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Every target defines a separate Swift module which means that in some cases both will have to be imported.

I'm confused, the ObjC target doesn't define a "swift" module right? isn't it still a clang module?

@@ -13,9 +13,13 @@ A Flutter plugin to use the camera from your Flutter app.
s.author = { 'Flutter Dev Team' => '[email protected]' }
s.source = { :http => 'https://github.com/flutter/packages/tree/main/packages/camera_avfoundation' }
s.documentation_url = 'https://pub.dev/packages/camera_avfoundation'
s.source_files = 'camera_avfoundation/Sources/camera_avfoundation/**/*.{h,m}'
s.public_header_files = 'camera_avfoundation/Sources/camera_avfoundation/include/**/*.h'
s.module_map = 'camera_avfoundation/Sources/camera_avfoundation/include/CameraPlugin.modulemap'
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@hellohuanlin hellohuanlin Apr 15, 2025

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it's been a while since i touched this. Why we are removing the module map?

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It's not supported with Swift static libraries.

[!] Using Swift static libraries with custom module maps is currently not supported. Please build `camera_avfoundation` as a framework or remove the custom module map.

It's still the same issue you've encountered here flutter/plugins#6369

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Oh i completely forgot about this! thanks for the reference.

dependencies: [],
exclude: ["include/camera_avfoundation-umbrella.h", "include/CameraPlugin.modulemap"],
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same question to the umbrella header.

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Correct me if I'm missing something but I don't see much value in having a custom umbrella header without a custom module map. Without the module map cocoapods generate the public umbrella header that includes everything either way

@RobertOdrowaz RobertOdrowaz force-pushed the feature/camera-implementation-swift-migration branch from d99fe5c to 57e7fe1 Compare April 15, 2025 06:31
@RobertOdrowaz
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RobertOdrowaz commented Apr 15, 2025

I'm confused, the ObjC target doesn't define a "swift" module right? isn't it still a clang module?

Yes, there won't be a swift module for the ObjC target. I've corrected the description

@RobertOdrowaz RobertOdrowaz added the autosubmit Merge PR when tree becomes green via auto submit App label Apr 16, 2025
@auto-submit auto-submit bot merged commit 7728bba into flutter:main Apr 16, 2025
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engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Apr 16, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Apr 21, 2025
github-merge-queue bot pushed a commit to flutter/flutter that referenced this pull request Apr 21, 2025
flutter/packages@2fcc403...ac21f53

2025-04-20 [email protected] Roll Flutter from
3ed38e2 to cfb887c (17 revisions) (flutter/packages#9118)
2025-04-19 [email protected] [various] Scrubs pre-SDK-21 Android
code (flutter/packages#9112)
2025-04-18 [email protected] Roll Flutter from
ecabb1a to 3ed38e2 (23 revisions) (flutter/packages#9114)
2025-04-18 [email protected] [flutter_svg] feat: Expose the
`colorMapper` property in `SvgPicture` (flutter/packages#9043)
2025-04-18 [email protected] [tool] Add initial file-based command
skipping (flutter/packages#8928)
2025-04-18 [email protected] [pigeon] Convert test plugins to SPM
(flutter/packages#9105)
2025-04-18 [email protected]
[webview_flutter] Adds support to control overscrolling
(flutter/packages#8451)
2025-04-17 [email protected] [in_app_purchase] add
Storefront.countryCode() and AppStore.sync() (flutter/packages#8900)
2025-04-17 [email protected]
[webview_flutter_wkwebview] Expose the allowsLinkPreview property in
WKWebView for iOS (flutter/packages#5029)
2025-04-17 [email protected]
[webview_flutter_android][webview_flutter_wkwebview] Adds platform
implementations to set over-scroll mode (flutter/packages#9101)
2025-04-17 [email protected]
[shared_preferences] Update AGP to 8.9.1 (flutter/packages#9106)
2025-04-17 [email protected] [pigeon] Adds
Kotlin lint tests to example code and fix lints (flutter/packages#9034)
2025-04-17 [email protected]
[video_player_avfoundation] enable more than 30 fps
(flutter/packages#7466)
2025-04-17 [email protected] Roll Flutter from
aef4718 to ecabb1a (25 revisions) (flutter/packages#9104)
2025-04-16 [email protected] [pigeon] Unify iOS and macOS test
plugins (flutter/packages#9100)
2025-04-16 [email protected] Roll Flutter from
db68c95 to aef4718 (7 revisions) (flutter/packages#9098)
2025-04-16 [email protected]
[webview_flutter_platform_interface] Adds method to set overscroll mode
(flutter/packages#9099)
2025-04-16 [email protected] Update `CODEOWNERS`
(flutter/packages#8984)
2025-04-16 [email protected] [google_sign_is] Update iOS SDK to
8.0 (flutter/packages#9081)
2025-04-16 [email protected] [camera_avfoundation]
Implementation swift migration (flutter/packages#8988)
2025-04-16 [email protected] [go_router]
Adds `caseSensitive` to `GoRoute` (flutter/packages#8992)
2025-04-16 [email protected] Manual roll Flutter from
30e53b0 to db68c95 (98 revisions) (flutter/packages#9092)
2025-04-15 [email protected] [tool] Run config-only build for
iOS/macOS native-test (flutter/packages#9080)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
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Please CC [email protected] on the revert to ensure that a
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CodixNinja pushed a commit to CodixNinja/flutter that referenced this pull request May 15, 2025
flutter/packages@2fcc403...ac21f53

2025-04-20 [email protected] Roll Flutter from
409a8ac to cd51fa3 (17 revisions) (flutter/packages#9118)
2025-04-19 [email protected] [various] Scrubs pre-SDK-21 Android
code (flutter/packages#9112)
2025-04-18 [email protected] Roll Flutter from
d0741df to 409a8ac (23 revisions) (flutter/packages#9114)
2025-04-18 [email protected] [flutter_svg] feat: Expose the
`colorMapper` property in `SvgPicture` (flutter/packages#9043)
2025-04-18 [email protected] [tool] Add initial file-based command
skipping (flutter/packages#8928)
2025-04-18 [email protected] [pigeon] Convert test plugins to SPM
(flutter/packages#9105)
2025-04-18 [email protected]
[webview_flutter] Adds support to control overscrolling
(flutter/packages#8451)
2025-04-17 [email protected] [in_app_purchase] add
Storefront.countryCode() and AppStore.sync() (flutter/packages#8900)
2025-04-17 [email protected]
[webview_flutter_wkwebview] Expose the allowsLinkPreview property in
WKWebView for iOS (flutter/packages#5029)
2025-04-17 [email protected]
[webview_flutter_android][webview_flutter_wkwebview] Adds platform
implementations to set over-scroll mode (flutter/packages#9101)
2025-04-17 [email protected]
[shared_preferences] Update AGP to 8.9.1 (flutter/packages#9106)
2025-04-17 [email protected] [pigeon] Adds
Kotlin lint tests to example code and fix lints (flutter/packages#9034)
2025-04-17 [email protected]
[video_player_avfoundation] enable more than 30 fps
(flutter/packages#7466)
2025-04-17 [email protected] Roll Flutter from
9616f9c to d0741df (25 revisions) (flutter/packages#9104)
2025-04-16 [email protected] [pigeon] Unify iOS and macOS test
plugins (flutter/packages#9100)
2025-04-16 [email protected] Roll Flutter from
a7ce7ff to 9616f9c (7 revisions) (flutter/packages#9098)
2025-04-16 [email protected]
[webview_flutter_platform_interface] Adds method to set overscroll mode
(flutter/packages#9099)
2025-04-16 [email protected] Update `CODEOWNERS`
(flutter/packages#8984)
2025-04-16 [email protected] [google_sign_is] Update iOS SDK to
8.0 (flutter/packages#9081)
2025-04-16 [email protected] [camera_avfoundation]
Implementation swift migration (flutter/packages#8988)
2025-04-16 [email protected] [go_router]
Adds `caseSensitive` to `GoRoute` (flutter/packages#8992)
2025-04-16 [email protected] Manual roll Flutter from
f2d54fd to a7ce7ff (98 revisions) (flutter/packages#9092)
2025-04-15 [email protected] [tool] Run config-only build for
iOS/macOS native-test (flutter/packages#9080)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages-flutter-autoroll
Please CC [email protected] on the revert to ensure that a
human
is aware of the problem.

To file a bug in Flutter:
https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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