update iOS/macOS deployment targets to 15.0 and fix isiOSAppOnVision detection #3812

[Melsaeed276]

Description

This PR updates the minimum deployment targets and improves the isiOSAppOnVision detection:

• iOS: Updated minimum deployment target from 12.0 to 15.0
• iOS App on Vision detection: Changed from compile-time @available(iOS 26.1, *) to runtime detection using @available(iOS 15.0, *) + @available(iOS 26.1, *) + respondsToSelector:. This ensures the isiOSAppOnVision property is correctly detected at runtime without causing compile-time warnings on older SDKs.

Related Issues

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• I titled the PR using Conventional Commits.
• I did not modify the CHANGELOG.md nor the plugin version in pubspec.yaml files.
• All existing and new tests are passing.
• The analyzer (flutter analyze) does not report any problems on my PR.

Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• Yes, this is a breaking change (please indicate that with a ! in the title as explained in Conventional Commits).
• No, this is not a breaking change.

[github-actions]

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 - feat: A new feature
 - fix: A bug fix
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 - revert: Reverts a previous commit

[Copilot]

Pull request overview

This PR updates device_info_plus Apple platform deployment targets and adjusts the iOS “App on Vision” detection to avoid compile-time API availability issues by switching to runtime selector checks.

Changes:

• Bumped CocoaPods deployment targets (iOS to 15.0, macOS to 15.0) and aligned example Xcode projects accordingly.
• Updated isiOSAppOnVision detection to use respondsToSelector: with runtime invocation instead of directly calling the property.
• Added/stopped-ignoring example Podfiles to force platform versions.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
packages/device_info_plus/device_info_plus/macos/device_info_plus.podspec	Raises macOS pod deployment target to 15.0.
packages/device_info_plus/device_info_plus/ios/device_info_plus/Sources/device_info_plus/FPPDeviceInfoPlusPlugin.m	Switches isiOSAppOnVision detection to runtime selector-based invocation.
packages/device_info_plus/device_info_plus/ios/device_info_plus.podspec	Raises iOS pod deployment target to 15.0.
packages/device_info_plus/device_info_plus/example/macos/Runner.xcodeproj/project.pbxproj	Raises example macOS deployment target to 15.0 in build configs.
packages/device_info_plus/device_info_plus/example/macos/Podfile	Adds a (currently minimal) macOS Podfile declaring platform 15.0.
packages/device_info_plus/device_info_plus/example/ios/Runner.xcodeproj/project.pbxproj	Raises example iOS deployment target to 15.0 in build configs.
packages/device_info_plus/device_info_plus/example/ios/Podfile	Adds a (currently minimal) iOS Podfile declaring platform 15.0.
packages/device_info_plus/device_info_plus/.gitignore	Un-ignores the example Podfiles so they are tracked.

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[vbuberen]

@Melsaeed276 I already closed another PR of you #3812 - don't spam the repo.