UITableView swift and load data from JSON

 - Create a new Swift iOS single view project.

- Disable the use size classes option.

-Remove the View controller that is inside the storyboard as default





- Add the UITableViewController element

- Set a custom class for the UITableViewController

Create a new iOS Cocoa Touch Class and set the subclass as UITableViewController and the name of the class as TableController and create it.

- In the Main.storyboard select again your UITableViewController and in the identity inspector set the TableController class that you've prevously created.

In the Attribute inspector turn on the is initial view controller option

- Select the table view cell and under the attribute inspector set the identifier to cell

- TableUIController Class

	//
	// TableViewController.swift
	// tableviewjson
	//
	// Created by Jorge Torres A on 4/7/15.
	// Copyright (c) 2015 torrestecnologia.com. All rights reserved.
	//
	import UIKit
	class TableViewController: UITableViewController {
	var TableData: Array < String > = Array < String > ()
	override func viewDidLoad() {
	super.viewDidLoad()
	get_data_from_url("http://www.kaleidosblog.com/tutorial/tutorial.json")
	}
	override func numberOfSectionsInTableView(tableView: UITableView) - > Int {
	return 1
	}
	override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) - > Int {
	return TableData.count
	}
	override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) - > UITableViewCell {
	let cell = tableView.dequeueReusableCellWithIdentifier("cell", forIndexPath: indexPath) as UITableViewCell
	cell.textLabel ? .text = TableData[indexPath.row]
	return cell
	}
	func get_data_from_url(url: String) {
	let httpMethod = "GET"
	let timeout = 15
	let url = NSURL(string: url)
	let urlRequest = NSMutableURLRequest(URL: url!,
	cachePolicy: .ReloadIgnoringLocalAndRemoteCacheData,
	timeoutInterval: 15.0)
	let queue = NSOperationQueue()
	NSURLConnection.sendAsynchronousRequest(
	urlRequest,
	queue: queue,
	completionHandler: {
	(response: NSURLResponse!,
	data: NSData!,
	error: NSError!) in
	if data.length > 0 && error == nil {
	let json = NSString(data: data, encoding: NSASCIIStringEncoding)
	self.extract_json(json!)
	} else if data.length == 0 && error == nil {
	println("Nothing was downloaded")
	} else if error != nil {
	println("Error happened = \(error)")
	}
	}
	)
	}
	func extract_json(data: NSString) {
	var parseError: NSError ?
	let jsonData: NSData = data.dataUsingEncoding(NSASCIIStringEncoding) !
	let json: AnyObject ? = NSJSONSerialization.JSONObjectWithData(jsonData, options: nil, error: & parseError)
	if (parseError == nil) {
	if let countries_list = json as ? NSArray {
	for (var i = 0; i < countries_list.count; i++) {
	if let country_obj = countries_list[i] as ? NSDictionary {
	if let country_name = country_obj["country"] as ? String {
	if let country_code = country_obj["code"] as ? String {
	TableData.append(country_name + " [" + country_code + "]")
	}
	}
	}
	}
	}
	}
	do_table_refresh();
	}
	func do_table_refresh() {
	dispatch_async(dispatch_get_main_queue(), {
	self.tableView.reloadData()
	return
	})
	}
	}

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- Result

-***Download Code Example here