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VyacheslavB's avatar
VyacheslavB
Helpful | Level 5
6 years ago
Solved

When I try to get a list of files I get a nil in response (Swift 5)

I have a simple method where I want to get a list of the user's files. I took the implementation of this method from your PhotoWatch example. I also added a print at each step to track each step. But...
API
  • Greg-DB's avatar
    Greg-DB
    6 years ago

    You just need to create the ScopeRequest object before calling the authorizeFromControllerV2 method.

     

    As for the error, make sure you're only calling the authorizeFromControllerV2 method once. In your screenshot, I see you're calling authorizeFromControllerV2, and then are also calling a method of your own called "openDropboxAutorization". Are you also calling an authorize method from inside "openDropboxAutorization" by any chance?

Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
6 years ago

The response method is given both a "response" and "error" object. If "response" isn't set, you should check "error" to see what went wrong with the call.

  • VyacheslavB's avatar
    VyacheslavB
    Helpful | Level 5
    6 years ago

    I handled the error, the problem was with individual scopes. I have selected the options I want and now I get another error.

    API auth error - {
    ".tag" = "missing_scope";
    "required_scope" = "files.metadata.read";
    }

     

    • Greg-DB's avatar
      Greg-DB
      Icon for Dropbox Community Moderator rankDropbox Community Moderator
      6 years ago

      The 'missing_scope' error indicates that while the app is permitted to use that scope, the particular access token you're using to make the API call does not have that scope granted. Adding a scope to your app via the App Console does not retroactively grant that scope to existing access tokens.

       

      That being the case, to make any API calls that require that scope, you'll need to get a new access token with that scope.

      • VyacheslavB's avatar
        VyacheslavB
        Helpful | Level 5
        6 years ago

        I created a new token for this account, but I still get this error. It's strange that when I log into the application with this account, I see an another token in the Xcode console. I also try to log into the application under other Dropbox accounts and still get this error. Also I tried disabling all active tokens for this app, but it didn't work.
        I can't understand what I'm doing wrong, can you explain in more detail what I should do?

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