how to get key of selected value from nsdictionary

Question

I am using NSDictionary to get data from json and then i added the value from NSDictionary to UITableView.When user is selected one of the table cell it will send back the value.The point is how to get the key of selected value from table cell in NSDictionary in Swift?

import UIKit

class ViewController: UIViewController {

var myFruits = ["0_22":"Sunkist","34_22":"Pine Apple","45_22":"Grape","1_123":"Apple"]

override func viewDidLoad() {
    super.viewDidLoad()

    // If my selected key is "Sunkist, what do i need to to get its value (0_22)"
    // Any Code Help?
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}

}

This question has already been answered: http://stackoverflow.com/questions/6120926/nsdictionary-key-for-value-object — donnywals, Jul 03 '15 at 09:01
This page maybe answer for your question. http://stackoverflow.com/questions/6120926/nsdictionary-key-for-value-object — merge, Jul 03 '15 at 09:02
I think you are not new in SO. Please always add `code` as like syntax. — Ashish Kakkad, Jul 03 '15 at 09:03
Umm,i dont know anything about Objc Syntax.Is there any information about that i can get in Swift? — Thiha Aung, Jul 03 '15 at 09:04
I am sorry that i update the code simple and small,but u can see my problem at comment.Thank you. — Thiha Aung, Jul 03 '15 at 09:10
I am not sure if that really helps you, but Swift implementation "allKeysForObject" are here: http://stackoverflow.com/questions/27218669/swift-dictionary-get-key-for-value. — Martin R, Jul 03 '15 at 09:11

score 2 · Answer 1 · answered Jul 03 '15 at 09:16

2

Thanks for @Martin R who give me that answer.I got this now with that code

let keys = (myFruits as NSDictionary).allKeysForObject("Sunkist")
println(String(keys[0] as! NSString))

Output is

0_22

answered Jul 03 '15 at 09:16

Thiha Aung

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score 2 · Accepted Answer · answered Jul 03 '15 at 09:17

2

This code will work fine.

    var myFruits = ["0_22":"Sunkist","34_22":"Pine Apple","45_22":"Grape","1_123":"Apple"]

    var dic:NSDictionary = NSDictionary(dictionary:myFruits)
    println(dic.allKeysForObject("Sunkist"))

answered Jul 03 '15 at 09:17

merge

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Thank you for your answer.Really appreciated it. – Thiha Aung Jul 03 '15 at 09:20

how to get key of selected value from nsdictionary

2 Answers2