swift - Issue when updating values in plist containing dictionary of arrays -


i have plist has dictionary of arrays. i'm new swift , struggling update value in plist. here sample plist file i'm dealing in app:

<dict>     <key>somekey1</key>     <array>         <string>100</string>         <string>company1</string>     </array>     <key>somekey2</key>     <array>         <string>500</string>         <string>company2</string>     </array> </dict>

in app, display above plist values in table view. when user selects row in table, populates 2 text fields (number , company) values.this works fine. want update values in textfields, click save button , reload table data. plist file copied documents folder it's writable (as per http://rebeloper.com/read-write-plist-file-swift/). following piece of code updates values, deletes "somekey1" , can't figure out why that. missing something?

    let path = pathtodocsfolder()     var mykey="somekey2" //has value "somekey1" or "somekey2"     var valarray=[textfieldnumber.text, textfieldcompany.text]     var thisdict: nsmutabledictionary = ["xinitializeritem": "donoteverchangeme"]     thisdict.setobject(valarray, forkey: mykey)     thisdict.writetofile(path, atomically: false)

try this:

var mykey="somekey2" //has value "somekey1" or "somekey2" var valarray=[textfieldnumber.text, textfieldcompany.text]  let path = pathtodocsfolder() let plistdict = nsmutabledictionary(contentsoffile: path) plistdict.setobject(valarray, forkey: mykey) plistdict.writetofile(path, atomically: false)

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