Cannot access Document Directory with FileSystem? (iOS)

Expo SDK
1

Please provide the following:

  1. SDK Version: 41.0.1
  2. Platforms(Android/iOS/web/all): iOS

On Android this works: I check if a file in the documents directory exists, and if it does not I create a resumable download and place it there. And I believe it used to work on iOS but I can’t confirm easily.

On iOS I’ve tried 2 different ways:

  1. The getInfoAsync() function tells me the document directory is not readable

Here’s what I get if I console log

[Error: File 'file:/var/mobile/Containers/Data/Application/C4EC8DD9-3D86-452A-8176-6DC3ED3F4697/Documents/006916c4-716d-42c3-8823-9585580b1aad_AA%20Heaps%20Dwg%20Markups-6.jpg -- file:///' isn't readable.]

Here’s the JSON stringified version of the error to show the stack trace (the remote file is prefixed with a uuid)

{
  "code": "ERR_FILESYSTEM_NO_PERMISSIONS",
  "message": "File 'file:/var/mobile/Containers/Data/Application/C4EC8DD9-3D86-452A-8176-6DC3ED3F4697/Documents/inspectrmobile/02298aae-96a6-45d1-9a12-94f7d19d66d4_AA%20Heaps%20Dwg%20Markups-1.jpg -- file:///' isn't readable.",
  "domain": "RCTErrorDomain",
  "userInfo": null,
  "nativeStackIOS": [
    "0   inspectrmobile                      0x0000000104e27a78 RCTJSErrorFromCodeMessageAndNSError + 120",
    "1   inspectrmobile                      0x0000000104dbeddc __41-[RCTModuleMethod processMethodSignature]_block_invoke_2.129 + 152",
    "2   inspectrmobile                      0x0000000105120cb8 __51+[RCTConvert(RNCSafeAreaView) RNCSafeAreaViewMode:]_block_invoke + 5376",
    "3   CoreFoundation                      0x0000000196823a50 4D6DD6DD-22E4-3858-9A0C-3CB77C2F13D6 + 1178192",
    "4   CoreFoundation                      0x0000000196705750 4D6DD6DD-22E4-3858-9A0C-3CB77C2F13D6 + 5968",
    "5   inspectrmobile                      0x0000000105150a38 __destroy_helper_block_e8_32s40r48r56r + 6912",
    "6   inspectrmobile                      0x00000001051560fc UMErrorWithMessage + 9644",
    "7   libdispatch.dylib                   0x00000001964562b0 3BBE17AC-597B-3B79-91AC-21A5523E7BD7 + 393904",
    "8   libdispatch.dylib                   0x0000000196457298 3BBE17AC-597B-3B79-91AC-21A5523E7BD7 + 397976",
    "9   libdispatch.dylib                   0x0000000196433344 3BBE17AC-597B-3B79-91AC-21A5523E7BD7 + 250692",
    "10  libdispatch.dylib                   0x0000000196433e2c 3BBE17AC-597B-3B79-91AC-21A5523E7BD7 + 253484",
    "11  libdispatch.dylib                   0x000000019643d66c 3BBE17AC-597B-3B79-91AC-21A5523E7BD7 + 292460",
    "12  libsystem_pthread.dylib             0x00000001dec6d5bc _pthread_wqthread + 272",
    "13  libsystem_pthread.dylib             0x00000001dec7086c start_wqthread + 8"
  ]
}
  1. If I create a subdirectory and try to download to it I get this error instead despite providing the local URI
Error: Directory for 'file:///var/mobile/Containers/Data/Application/C4EC8DD9-3D86-452A-8176-6DC3ED3F4697/Documents/my app name/MY FILE NAME.jpg' doesn't exist. Please make sure directory '(null)' exists before calling downloadAsync.

Any Suggestions on how to make this work on iOS? Thanks!

2

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