java - Google drive getMimeType returning only null values -


i trying download files drive using version 3 of google drive api in java. need mimetype of files identify content type. when tried calling

file.getmimetype

i getting null value.

 drive service=getdriveservice();   filelist result = service.files().list()               .setpagesize(100)            .setfields("nextpagetoken, files(id, name)")              .execute();    list<file> files = result.getfiles();      if (files == null || files.size() == 0) {          system.out.println("no files found.");      }      else {          system.out.println("files:");             (file file : files) {                 system.out.printf("%s (%s)(%s)\n", file.getname(),file.getid(),file.getmimetype());             }       }

i tried calling other methods getfullfileextension returning null values.

could please tell me did mistake? , how solve mimetype , other values.

i haven't played v3 yet, code 

setfields("nextpagetoken, files(id, name)")

and 

file.getmimetype()

since asked id , name fetched, shouldn't surprising mimetype null. try adding mimetype fields in setfields.


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