[image_picker_ios] Add Swift Package Manager compatibility to image_picker_ios #146919
Description
Prerequisites:
- Add Swift Package Manager as new opt-in feature for iOS and macOS #146256
- Update packages CI to test Swift Package Manager integration for plugins #146901
Follow "Converting an existing Objective-C Flutter Plugin to a Swift Package" instructions to make image_picker_ios plugin compatible with Swift Package Manager and CocoaPods.
To validate all is working, run the following commands
// Disable swift package manager
flutter config --no-enable-swift-package-manager
// Validate podspec
dart run script/tool/bin/flutter_plugin_tools.dart podspec-check --packages=image_picker_ios
// Create, build, delete an app that has a dependency on all packages
.ci/scripts/create_all_packages_app.sh
.ci/scripts/build_all_packages_app.sh ios debug --no-codesign
rm -rf all_packages
// Build example with CocoaPods
dart run script/tool/bin/flutter_plugin_tools.dart build-examples --ios --packages=image_picker_ios
// Run native tests
dart run script/tool/bin/flutter_plugin_tools.dart native-test --ios --packages=image_picker_ios
// Build example with Swift Package Manager
dart run script/tool/bin/flutter_plugin_tools.dart build-examples --ios --swift-package-manager --packages=image_picker_ios
// Run native tests with Swift Package Manager
dart run script/tool/bin/flutter_plugin_tools.dart native-test --ios --packages=image_picker_ios
// Create, build, delete an app that has a dependency on all packages with Swift Package Manager
.ci/scripts/create_all_packages_app.sh
.ci/scripts/build_all_packages_app.sh ios debug --no-codesign
rm -rf all_packages