Flutter_file_picker: FileName and Path is showing null

[prasant10050]

_openFileExplorer() async {
if (_pickingType != FileType.CUSTOM || _hasValidMime) {
try {
if (_multiPick) {
_path = null;
_paths = await FilePicker.getMultiFilePath(type: _pickingType, fileExtension: _extension);
} else {
_paths = null;
_path = await FilePicker.getFilePath(type: _pickingType, fileExtension: _extension);
}
} on PlatformException catch (e) {
print("Unsupported operation" + e.toString());
}
if (!mounted) return;

  setState(() {
    _fileName = _path != null ? _path.split('/').last : _paths != null ? _paths.keys.toString() : '...';
  });
  File file=new File(_path);
  print("Path $file");
  print("FileName $_fileName");
  print(lookupMimeType(_path));
}

}

I/FilePicker(11562): [SingleFilePick] File URI:content://com.android.providers.downloads.documents/document/235
E/FilePickerUtils(11562): Getting for API 19 or abovecontent://com.android.providers.downloads.documents/document/235
E/FilePickerUtils(11562): Document URI
E/FilePickerUtils(11562): Downloads External Document URI
E/FilePickerUtils(11562): Something went wrong while retrieving document path: java.lang.IllegalArgumentException: Unknown URI: content://downloads/public_downloads/235
E/FilePickerUtils(11562): Something went wrong while retrieving document path: java.lang.SecurityException: Permission Denial: reading com.android.providers.downloads.DownloadProvider uri content://downloads/all_downloads/235 from pid=11562, uid=10292 requires android.permission.ACCESS_ALL_DOWNLOADS, or grantUriPermission()
I/FilePickerUtils(11562): Remote file loaded and cached at:/data/user/0/com.cbtech.cb_curemantra/cache/null
I/FilePicker(11562): Absolute file path:/data/user/0/com.cbtech.cb_curemantra/cache/null
I/flutter (11562): Path File: '/data/user/0/com.cbtech.cb_curemantra/cache/null'
I/flutter (11562): FileName null
V/PhoneWindow(11562): DecorView setVisiblity: visibility = 0, Parent = android.view.ViewRootImpl@5e1c312, this = DecorView@c7bbae3[MainActivity]
D/Surface (11562): Surface::connect(this=0x75f615a000,api=1)
D/mali_winsys(11562): EGLint new_window_surface(egl_winsys_display , void *, EGLSurface, EGLConfig, egl_winsys_surface *, EGLBoolean) returns 0x3000
D/Surface (11562): Surface::connect(this=0x75f615b000,api=1)
D/mali_winsys(11562): EGLint new_window_surface(egl_winsys_display , void *, EGLSurface, EGLConfig, egl_winsys_surface *, EGLBoolean) returns 0x3000
I/flutter (11562): null

[prasant10050]

its urgent, anyone can fix this issue.

[miguelpruivo]

@prasant10050 I may take a look into it tomorrow, but at a first glance it looks like you don’t gave the right permissions.

What are the steps to reproduce this?

[prasant10050]

I have already add Read and Write permission .

On Thu, 28 Mar, 2019, 07:18 Miguel Ruivo, [e-mail] wrote:

@prasant10050 https://github.com/prasant10050 I may take a look into it
tomorrow, but at a first glance it looks like you don’t gave the right
permissions.

What are the steps to reproduce this?

—
You are receiving this because you were mentioned.
Reply to this email directly, view it on GitHub
https://github.com/miguelpruivo/plugins_flutter_file_picker/issues/62#issuecomment-477412137,
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.

[prasant10050]

_openFileExplorer is called by onTap() method of Gesturedetector , before
it is called I added permission in iOS and Android.

On Thu, 28 Mar, 2019, 07:18 Miguel Ruivo, [e-mail] wrote:

@prasant10050 https://github.com/prasant10050 I may take a look into it
tomorrow, but at a first glance it looks like you don’t gave the right
permissions.

What are the steps to reproduce this?

—
You are receiving this because you were mentioned.
Reply to this email directly, view it on GitHub
https://github.com/miguelpruivo/plugins_flutter_file_picker/issues/62#issuecomment-477412137,
or mute the thread
https://github.com/notifications/unsubscribe-auth/AM_5bQEGuDrYDn6tU3nj4IT1AJPEualvks5vbB94gaJpZM4cOXvP
.

[miguelpruivo]

I need further information on this. Do you have both given permissions in runtime and manifest file?

Have you tried to clean your project, add file_picker: 1.3.3 and then rebuild and see if it is working for you? If not, can you post step by step what you are doing and also the output of flutter doctor -v?

Thank you.

[miguelpruivo]

@prasant10050 this will be closed due to no further info. Feel free to re-open it with more details. Thank you.

[Peltoche]

Hi,

I'm workink with the version ^1.3.5 and it seems that the issue still exists.

If I run on android:

    final results = await FilePicker.getMultiFilePath(fileExtension: 'pdf', type: FileType.CUSTOM);

and I select several files, I have the log:

I/flutter ( 5209): [FilePicker] Unsupported operation. Method not found. The exception thrown was: NoSuchMethodError: The method 'split' was called on null.

and the results variable is null. Note that if I select only one file, everything works correctly.

If you need more information don't hesitate.

[miguelpruivo]

@Peltoche can you tell me which Android version are you running on? Does that happen in the example app as well?

Thank you.

[Peltoche]

Yep, I can reproduce with the example.

For the emulator:
```flutter emulators
1 available emulator:

Pixel_2_API_28 • pixel_2 • Google • Pixel 2 API 28

For the flutter version:
```flutter --version
Flutter 1.6.6 • channel dev • [email protected]:flutter/flutter.git
Framework • revision e1a784ae3f (4 days ago) • 2019-05-28 21:53:03 -0700
Engine • revision 8dc3a4cde2
Tools • Dart 2.3.2 (build 2.3.2-dev.0.0 e3edfd36b2)

[miguelpruivo]

@Peltoche and you're selecting multiple pdf files, right? I'll check this ASAP and keep you updated.

Thank you.

[GauravPatni]

hi @miguelpruivo ,

I am facing the same issue of File Path = null .

Please refer attached screenshots for more details

after selecting DL.csv file I am getting the following log

I/flutter ( 7855): /data/data/com.example.test_dl/app_flutter
I/FilePicker( 7855): Checking permission: android.permission.WRITE_EXTERNAL_STORAGE
I/Timeline( 7855): Timeline: Activity_launch_request time:1989190
I/flutter ( 7855): My File Path = null
I/Timeline( 7855): Timeline: Activity_idle id: android.os.BinderProxy@4220dbe8 time:2084493

Note that to check compatibility with old android devices, I have used Android 4.4.4 device

Also, note that this happens only when I selected a file by using "File Manager". But when I try to get Image file path using "Gallery" then I get a valid path as follows

I/flutter ( 7855): /data/data/com.example.test_dl/app_flutter
I/FilePicker( 7855): Checking permission: android.permission.WRITE_EXTERNAL_STORAGE
I/Timeline( 7855): Timeline: Activity_launch_request time:2213059
I/FilePicker( 7855): [SingleFilePick] File URI:content://com.miui.gallery.open/raw/%2Fstorage%2Femulated%2F0%2FDCIM%2FCamera%2FIMG_20190522_142114.jpg
E/FilePickerUtils( 7855): Getting for API 19 or abovecontent://com.miui.gallery.open/raw/%2Fstorage%2Femulated%2F0%2FDCIM%2FCamera%2FIMG_20190522_142114.jpg
E/FilePickerUtils( 7855): NO DOCUMENT URI - CONTENT
I/FilePicker( 7855): Absolute file path:/storage/emulated/0/DCIM/Camera/IMG_20190522_142114.jpg
I/flutter ( 7855): My File Path = /storage/emulated/0/DCIM/Camera/IMG_20190522_142114.jpg
I/Timeline( 7855): Timeline: Activity_idle id: android.os.BinderProxy@4220dbe8 time:221642

Please help how to resolve this issue of File Path = null . when using "File manager"

Thanks ,
Gaurav

[miguelpruivo]

@GauravPatni thank you for your feedback. Is this a custom file manager (aka 3rd party) installed on the device? Because if it is, there are known issues where 3rd party file managers, handle the path differently and doesn’t returns it as it should, and thus, I return null instead to prevent wrong handling of the file.

@Peltoche I've tried it right now with the exact same steps (same emulator, version and picking type) of you, and it works flawlessly. Mind I ask you if you are using a custom file picker? Or the default native one?

[Peltoche]

@Peltoche I've tried it right now with the exact same steps (same emulator, version and picking type) of you, and it works flawlessly. Mind I ask you if you are using a custom file picker? Or the default native one?

Nop, I don't think so.

[miguelpruivo]

@Peltoche, I’m not able to reproduce your issue. Can you screen record it so I can get a deeper understanding of what may be causing it?

Thank you.

[Peltoche]

@Peltoche, I’m not able to reproduce your issue. Can you screen record it so I can get a deeper understanding of what may be causing it?

I have stopped my project and I don't think I will have the time soon, sorry. Maybe one week-end I will put a video or a PR.

[robinmaass]

Hi
Same issue here.
Single file picker works fine. If I select multiple files, I get an error.
Using native file manager.
Target sdk version 28 (I assume that's the problem as with >= 24 you should use FileProvider.
Your example app has the same problem.
Tested with Galaxy Tab S4 and Note 8

Maybe have a look here:
https://stackoverflow.com/questions/53240556/opening-file-via-intent-using-uri-on-api-24
and
https://stackoverflow.com/questions/53995161/requires-android-permission-access-all-downloads-or-granturipermission

Here's the error message:
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 0
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 1
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 0
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 1
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 0
D/ViewRootImpl@9142136MainActivity: ViewPostIme pointer 1
D/ViewRootImpl@9142136MainActivity: MSG_WINDOW_FOCUS_CHANGED 0 1
D/InputMethodManager(31270): prepareNavigationBarInfo() DecorView@6b103f[MainActivity]
D/InputMethodManager(31270): getNavigationBarColor() -855310
D/InputTransport(31270): Input channel destroyed: fd=90
D/SurfaceView(31270): onWindowVisibilityChanged(8) false io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504} of ViewRootImpl@9142136[MainActivity]
D/SurfaceView(31270): show() Surface(name=SurfaceView - com.mr.flutter.plugin.filepickerexample/com.mr.flutter.plugin.filepickerexample.MainActivity@2014b0d@2[31270])/@0x951b872 io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504}
D/SurfaceView(31270): surfaceDestroyed callback.size 1 #2 io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504}
D/SurfaceView(31270): destroy() Surface(name=SurfaceView - com.mr.flutter.plugin.filepickerexample/com.mr.flutter.plugin.filepickerexample.MainActivity@2014b0d@2[31270])/@0x951b872 io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504}
D/OpenGLRenderer(31270): eglDestroySurface = 0x7b5bd58900, 0x7b7abc9000
D/ViewRootImpl@9142136MainActivity: Relayout returned: old=[0,0][2560,1600] new=[0,0][2560,1600] result=0x5 surface={false 0} changed=true
D/ViewRootImpl@9142136MainActivity: stopped(true) old=false
D/SurfaceView(31270): windowStopped(true) false io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504} of ViewRootImpl@9142136[MainActivity]
D/SurfaceView(31270): onWindowVisibilityChanged(4) false io.flutter.view.FlutterView{2014b0d VFE...... ........ 0,0-2560,1504} of ViewRootImpl@9142136[MainActivity]
D/ViewRootImpl@9142136MainActivity: Relayout returned: old=[0,0][2560,1600] new=[0,0][2560,1600] result=0x1 surface={false 0} changed=false
E/FilePickerUtils(31270): Getting for API 19 or abovecontent://com.android.providers.media.documents/document/image%3A6983
E/FilePickerUtils(31270): Document URI
E/FilePickerUtils(31270): Media Document URI
I/FilePickerUtils(31270): Image Media Document URI
D/AndroidRuntime(31270): Shutting down VM
E/AndroidRuntime(31270): FATAL EXCEPTION: main
E/AndroidRuntime(31270): Process: com.mr.flutter.plugin.filepickerexample, PID: 31270
E/AndroidRuntime(31270): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=29062, result=-1, data=Intent { flg=0x1 clip={image/* U:content://com.android.providers.media.documents/document/image%3A6983 ...} }} to activity {com.mr.flutter.plugin.filepickerexample/com.mr.flutter.plugin.filepickerexample.MainActivity}: java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider uri content://media/external/images/media from pid=31270, uid=10264 requires android.permission.READ_EXTERNAL_STORAGE, or grantUriPermission()
E/AndroidRuntime(31270): at android.app.ActivityThread.deliverResults(ActivityThread.java:4616)
E/AndroidRuntime(31270): at android.app.ActivityThread.handleSendResult(ActivityThread.java:4658)
E/AndroidRuntime(31270): at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:49)
E/AndroidRuntime(31270): at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
E/AndroidRuntime(31270): at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
E/AndroidRuntime(31270): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1959)
E/AndroidRuntime(31270): at android.os.Handler.dispatchMessage(Handler.java:106)
E/AndroidRuntime(31270): at android.os.Looper.loop(Looper.java:214)
E/AndroidRuntime(31270): at android.app.ActivityThread.main(ActivityThread.java:7075)
E/AndroidRuntime(31270): at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(31270): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
E/AndroidRuntime(31270): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
E/AndroidRuntime(31270): Caused by: java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider uri content://media/external/images/media from pid=31270, uid=10264 requires android.permission.READ_EXTERNAL_STORAGE, or grantUriPermission()
E/AndroidRuntime(31270): at android.os.Parcel.createException(Parcel.java:1966)
E/AndroidRuntime(31270): at android.os.Parcel.readException(Parcel.java:1934)
E/AndroidRuntime(31270): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:183)
E/AndroidRuntime(31270): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:135)
E/AndroidRuntime(31270): at android.content.ContentProviderProxy.query(ContentProviderNative.java:418)
E/AndroidRuntime(31270): at android.content.ContentResolver.query(ContentResolver.java:809)
E/AndroidRuntime(31270): at android.content.ContentResolver.query(ContentResolver.java:759)
E/AndroidRuntime(31270): at android.content.ContentResolver.query(ContentResolver.java:717)
E/AndroidRuntime(31270): at com.mr.flutter.plugin.filepicker.FileUtils.getDataColumn(FileUtils.java:131)
E/AndroidRuntime(31270): at com.mr.flutter.plugin.filepicker.FileUtils.getForApi19(FileUtils.java:108)
E/AndroidRuntime(31270): at com.mr.flutter.plugin.filepicker.FileUtils.getPath(FileUtils.java:33)
E/AndroidRuntime(31270): at com.mr.flutter.plugin.filepicker.FilePickerPlugin$1.onActivityResult(FilePickerPlugin.java:65)
E/AndroidRuntime(31270): at io.flutter.app.FlutterPluginRegistry.onActivityResult(FlutterPluginRegistry.java:204)
E/AndroidRuntime(31270): at io.flutter.app.FlutterActivityDelegate.onActivityResult(FlutterActivityDelegate.java:132)
E/AndroidRuntime(31270): at io.flutter.app.FlutterActivity.onActivityResult(FlutterActivity.java:142)
E/AndroidRuntime(31270): at android.app.Activity.dispatchActivityResult(Activity.java:7772)
E/AndroidRuntime(31270): at android.app.ActivityThread.deliverResults(ActivityThread.java:4609)
E/AndroidRuntime(31270): ... 11 more
I/Process (31270): Sending signal. PID: 31270 SIG: 9
Lost connection to device.
Exited (sigterm)

[bunnywrote]

Video: file_picker_issue.zip

It seems, I have the same problem on my device

OnePlus 3T, Android 8.0

As you can see in the video (attached as zip), if I select just one file in file_picker dialog it works, but where I try to add 3 files (in this case) with multiple select no one will be added and I see this error in the console:

E/FilePickerUtils(14128): Getting for API 19 or abovecontent://com.android.providers.downloads.documents/document/189
E/FilePickerUtils(14128): Document URI
E/FilePickerUtils(14128): Downloads External Document URI
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.IllegalArgumentException: Unknown URI: content://downloads/public_downloads/189
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.SecurityException: Permission Denial: reading com.android.providers.downloads.DownloadProvider uri content://downloads/all_downloads/189 from pid=14128, uid=10330 requires android.permission.ACCESS_ALL_DOWNLOADS, or grantUriPermission()
I/FilePicker(14128): [MultiFilePick] File #0 - URI: /document/189
E/FilePickerUtils(14128): Getting for API 19 or abovecontent://com.android.providers.downloads.documents/document/334
E/FilePickerUtils(14128): Document URI
E/FilePickerUtils(14128): Downloads External Document URI
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.IllegalArgumentException: Unknown URI: content://downloads/public_downloads/334
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.SecurityException: Permission Denial: reading com.android.providers.downloads.DownloadProvider uri content://downloads/all_downloads/334 from pid=14128, uid=10330 requires android.permission.ACCESS_ALL_DOWNLOADS, or grantUriPermission()
I/FilePicker(14128): [MultiFilePick] File #1 - URI: /document/334
E/FilePickerUtils(14128): Getting for API 19 or abovecontent://com.android.providers.downloads.documents/document/335
E/FilePickerUtils(14128): Document URI
E/FilePickerUtils(14128): Downloads External Document URI
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.IllegalArgumentException: Unknown URI: content://downloads/public_downloads/335
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.SecurityException: Permission Denial: reading com.android.providers.downloads.DownloadProvider uri content://downloads/all_downloads/335 from pid=14128, uid=10330 requires android.permission.ACCESS_ALL_DOWNLOADS, or grantUriPermission()
I/FilePicker(14128): [MultiFilePick] File #2 - URI: /document/335
I/OpenGLRenderer(14128): Initialized EGL, version 1.4
D/OpenGLRenderer(14128): Swap behavior 2
I/flutter (14128): [FilePicker] Unsupported operation. Method not found. The exception thrown was: NoSuchMethodError: The method 'split' was called on null.
I/flutter (14128): Receiver: null
I/flutter (14128): Tried calling: split("/")
I/flutter (14128): Receiver: null
I/flutter (14128): Tried calling: split("/")
I/flutter (14128): #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5)
I/flutter (14128): #1 FilePicker._getPath. (package:file_picker/file_picker.dart:53:77)
I/flutter (14128): #2 MapBase._fillMapWithMappedIterable (dart:collection/maps.dart:63:14)
I/flutter (14128): #3 new LinkedHashMap.fromIterable (dart:collection/linked_hash_map.dart:112:13)
I/flutter (14128): #4 FilePicker._getPath (package:file_picker/file_picker.dart:53:9)

[miguelpruivo]

@robinmaass that's odd because I've been running it on api 28 without a problem. Do you have your app with Android X support? Because that's a requirement in order for it to work.

@bunnywrote I've removed the writing/reading permissions in 1.3.6, can you try with file_picker: 1.3.5 and let me know if it's working for you?

Thank you.

[bunnywrote]

@bunnywrote I've removed the writing/reading permissions in 1.3.6, can you try with file_picker: 1.3.5 and let me know if it's working for you?

I downgraded file_picker package to 1.3.5, but have the same error, BUT if try to select mutiple files not in Downloads folder (Camera in my case) it works

[miguelpruivo]

@bunnywrote and with 1.3.6?

[bunnywrote]

@bunnywrote and with 1.3.6?

It works with 1.3.6 as well. Also in my case it seems to be an issue just for multiselect in Downloads folder.

[miguelpruivo]

@bunnywrote @robinmaass can you please check the fix already on beta? Change your file_picker dependency to the following:

  file_picker:
    git:
      url: https://github.com/miguelpruivo/plugins_flutter_file_picker.git
      ref: beta

Don't forget to flutter clean first and then let me know if it's working for you. 👍

Thank you.

[robinmaass]

Hey Miguel

Happy to tell you that beta works now on android with multiselect (also from download folder and also with different file types). Tested on Tab s4. Great work. Thank you!

[miguelpruivo]

Fixed in 1.3.7.

Feel free to reopen it if you still find any issue related to this.
Thank you all.

[prasant10050]

I m facing this issue again

java.lang.IllegalArgumentException: Unknown URI: content://downloads/public_downloads/335
E/FilePickerUtils(14128): Something went wrong while retrieving document path: java.lang.SecurityException: Permission Denial: reading com.android.providers.downloads.DownloadProvider uri content://downloads/all_downloads/335 from pid=14128, uid=10330 requires android.permission.ACCESS_ALL_DOWNLOADS, or grantUriPermission()

[ziakhan110]

this issue is happening of Infinix Note 5 android 10, how to solve this, Help Please

[xzghx]

Hi
I get null for file.path in web. It works fine in android 9 .
this is code I used:

 FilePickerResult result = await FilePicker.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: ['jpg', 'jpeg'],
    );
    if(result != null) {
      PlatformFile file = result.files.single;
      _blogImage = File(file.path);
      notifyListeners();

    } else {
      // User canceled the picker
    }

this is the log :

`Error: Invalid argument(s) (path): Must not be null
    at Object.throw_ [as throw] (http://localhost:56733/dart_sdk.js:4339:11)
    at Function.checkNotNull (http://localhost:56733/dart_sdk.js:123079:39)
    at Function._checkNotNull (http://localhost:56733/dart_sdk.js:52009:26)
    at new io._File.new (http://localhost:56733/dart_sdk.js:52015:30)
    at Function.new (http://localhost:56733/dart_sdk.js:51120:16)
    at blog_provider.BlogProvider.new.pickImageForBlog (http://localhost:56733/packages/my_personal_site/data/Provider/blog_provider.dart.lib.js:101:41)
    at pickImageForBlog.next (<anonymous>)
    at http://localhost:56733/dart_sdk.js:37679:33
    at _RootZone.runUnary (http://localhost:56733/dart_sdk.js:37533:58)
    at _FutureListener.thenAwait.handleValue (http://localhost:56733/dart_sdk.js:32507:29)
    at handleValueCallback (http://localhost:56733/dart_sdk.js:33054:49)
    at Function._propagateToListeners (http://localhost:56733/dart_sdk.js:33092:17)
    at _Future.new.[_completeWithValue] (http://localhost:56733/dart_sdk.js:32935:23)
    at async._AsyncCallbackEntry.new.callback (http://localhost:56733/dart_sdk.js:32957:35)
    at Object._microtaskLoop (http://localhost:56733/dart_sdk.js:37794:13)
    at _startMicrotaskLoop (http://localhost:56733/dart_sdk.js:37800:13)
    at http://localhost:56733/dart_sdk.js:33309:9`

other fields are ok and have value but path is null

   print(file.name); //ok
   print(file.bytes); //ok
   print(file.size); //ok
   print(file.extension); //ok
   print(file.path); //Null in web

[miguelpruivo]

@xzghx on web you need to use bytes not path as it isn’t supported.