Add Swift Package Manager Support

[alejandro-all-win-software]

DESCRIPTION

• Added support for Swift Package Manager for compatibility with new projects.
• Updated example minimum iOS version.
• Updated podspec.
• Added missing imports
• Fixes Add Swift Package Manager support #1582

[navaronbracke]

Overall this looks okay to me.

I wonder if we should move this to version 8.2.0 instead?

[navaronbracke]

@alejandro-all-win-software fyi: I did a fix-forward for the merge conflict. We landed a MacOS change a few moments ago, so it was giving a small issue with versioning.

[navaronbracke]

@alejandro-all-win-software Once the branch in the Package.swift is updated, I'll test this locally and then this looks good to release. Thank you!

[alejandro-all-win-software]

@navaronbracke I also updated the macOS implementation to support SPM

[navaronbracke]

@alejandro-all-win-software While preparing to test this locally, I also saw this in my terminal:

All plugins found for ios are Swift Packages, but your project still has CocoaPods integration. Your project uses a non-standard Podfile and will
need to be migrated to Swift Package Manager manually. Some steps you may need to complete include:
  * In the ios/ directory run "pod deintegrate"
  * Transition any Pod dependencies to Swift Package equivalents. See
  https://developer.apple.com/documentation/xcode/adding-package-dependencies-to-your-app
  * Transition any custom logic
  * Remove the include to "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" in your ios/Flutter/Debug.xcconfig
  * Remove the include to "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" in your ios/Flutter/Release.xcconfig

Removing CocoaPods integration will improve the project's build time.
All plugins found for macos are Swift Packages, but your project still has CocoaPods integration. To remove CocoaPods integration, complete the
following steps:
  * In the macos/ directory run "pod deintegrate"
  * Also in the macos/ directory, delete the Podfile
  * Remove the include to "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" in your macos/Flutter/Flutter-Debug.xcconfig
  * Remove the include to "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" in your macos/Flutter/Flutter-Release.xcconfig

Removing CocoaPods integration will improve the project's build time.

This is for the file_picker example app. Would you like to address this as well? The example app can run on SPM only.

[navaronbracke]

@alejandro-all-win-software I'll verify locally if this works in XCode (just as a sanity check) and then this is ready for a release.
Thank you!

[orestesgaolin]

Oh, missed that! :D

You can close the #1692 in favor of it

[navaronbracke]

@alejandro-all-win-software This works for both iOS & MacOS, thanks!

One thing I'm not sure about, though: When opening the iOS or the MacOS example app in XCode, the Pods reference was still there under Runner in the left pane, in red text. Do you get extra diff if you remove that Pods reference from XCode?

[alejandro-all-win-software]

Let me check.

[alejandro-all-win-software]

Yeah, I see changes when removing them. Let me commit it.

[navaronbracke]

This should be available on Pub in a moment!