Flutter_file_picker: Follow up from image_picker issue #65995 regard version 2.0.1 and iOS 14

[osaxma]

I just upgraded to the latest version of file_picker.

When using FilePicker.platform.pickFiles(type: FileType.image) in a freshly installed app, the photo gallery opens directly without asking for permissions which isn't the expected behavior.

When I select an image, I was able to get the path but I cannot use it and I get the following error:

Cannot open file, path = '/Users/osaxma/Library/Developer/CoreSimulator/Devices/7957A918-C951-4280-A0DB-A94F2EF14B38/data/Containers/Data/Application/3DB465F8-5F25-4E81-B531-D7EE5D2C8BE9/tmp/.com.apple.Foundation.NSItemProvider.zsCkfv/IMG_0001.jpeg' 
(OS Error: No such file or directory, errno = 2)

Flutter doctor:

[✓] Flutter (Channel stable, 1.20.4, on Mac OS X 10.15.6 19G2021, locale en)
    • Flutter version 1.20.4 at /Users/osaxma/Tools/flutter
    • Framework revision fba99f6cf9 (8 days ago), 2020-09-14 15:32:52 -0700
    • Engine revision d1bc06f032
    • Dart version 2.9.2

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at /Users/osaxma/Library/Android/sdk
    • Platform android-29, build-tools 29.0.2
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.0)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.0, Build version 12A7209
    • CocoaPods version 1.8.4

[✓] Android Studio (version 4.0)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 48.1.2
    • Dart plugin version 193.7547
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)

[✓] VS Code (version 1.49.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.14.1

[✓] Connected device (1 available)
    • iPhone 11 Pro Max (mobile) • 7957A918-C951-4280-A0DB-A94F2EF14B38 • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-0 (simulator)

Also at some point, the app just crashed directly but I'm not able to reproduce that.

[miguelpruivo]

@OsaXma ok thank you. I might need to check it. As of now use 2.0.0 instead.

Sorry for any inconvenience. I’ll keep you updated.

[miguelpruivo]

@OsaXma regarding your permission question, yes, it is expected actually. On iOS 14, permissions are _only_ asked if the dev is going to do something intrusive with the picture, for picking/reading only, it's not actually necessary from now on, to provide a better experience. You can read more about it here.

However, there was actually a bug that I've already addressed. Publishing a version in a few minutes.

[miguelpruivo]

@OsaXma this should be fixed with 2.0.1+2. Would you mind give it a try and see if it's working for you?

Thank you!

[osaxma]

Thanks for the quick fix -- It works now!

Except one weird issue:

The first and last picture _(top left and bottom right)_ of the default album can be selected but they return an invalid path and the pictures aren't present at ..../File Provider Storage/photospicker/. For sake of testing, I tried to select them with the image_picker package, and it works fine.

This is the error of the invalid path that I get:

Exception has occurred.
FileSystemException (FileSystemException: Cannot open file, path = '/Users/osaxma/Library/Developer/CoreSimulator/Devices/7957A918-C951-4280-A0DB-A94F2EF14B38/data/Containers/Shared/AppGroup/5A0503A0-B71D-430B-8D6D-FD467F8593BA/File Provider Storage/photospicker/version=1&uuid=CC95F08C-88C3-4012-9D6D-64A413D254B3&mode=compatible.jpeg' 
(OS Error: No such file or directory, errno = 2))

[miguelpruivo]

@OsaXma try adding more pictures to the simulator or on a different device and see if it behaves the same. There should be no order relation across files. Weird.

[osaxma]

I think the issue is that the photos are not being saved in the specified path at all. I guess the 4 previously selectable photos were in there before I upgraded.

Because after I deleted the 4 pictures from ..../File Provider Storage/photospicker/ , they also return an invalid path (or they're not actually being saved). Same happens with newly added photos...

I did flutter clean, deleted pod files and folder, erased all the content and settings of the simulator and then restarted it but that didn't help. I do receive a path but it's invalid and nothing is saved at photospicker folder.

Please let me know if you'd like me to provide further details.

[miguelpruivo]

Closing in favor of #407 as they seem to be related.