create a UITableViewController programmatically in Swift - uitableview

Question

I'm trying to, as the title say, set up a UITableViewController programmatically. After a few hours of trying I hope someone can help me. And, yes, I hve checked out other posts on this matter:
import UIKit
class MainViewController: UITableViewController {
init(style: UITableViewStyle) {
super.init(style: style)
// Custom initialization
}
override func viewDidLoad() {
super.viewDidLoad()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
// #pragma mark - Table view data source
override func numberOfSectionsInTableView(tableView: UITableView?) -> Int {
return 1
}
override func tableView(tableView: UITableView?, numberOfRowsInSection section: Int) -> Int {
return 5
}
override func tableView(tableView: UITableView?, cellForRowAtIndexPath indexPath: NSIndexPath?) -> UITableViewCell? {
var cell = tableView?.dequeueReusableCellWithIdentifier("Cell") as? UITableViewCell
if !cell {
cell = UITableViewCell(style: UITableViewCellStyle.Value1, reuseIdentifier: "Cell")
}
cell!.textLabel.text = "test"
return cell
}
}
and the appDelegate looks like this:
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
let mainViewController: UITableViewController = MainViewController(style: UITableViewStyle.Plain)
let navigationController: UINavigationController = UINavigationController()
navigationController.pushViewController(mainViewController, animated: false)
self.window!.rootViewController = navigationController
self.window!.backgroundColor = UIColor.whiteColor()
self.window!.makeKeyAndVisible()
return true
}
The program run, but as soon as it does, I get the following error:
fatal error: use of unimplemented initializer 'init(nibName:bundle:)' for class 'HelloWorld.MainViewController'
I then changes the MainViewController(style: UITableViewStyle.Plain) to MainViewController(nibName: nil, bundle: nil) but then I get the following syntax error: Extra argument 'bundle' in call
Any help would be much appreciated

Answer 1

I'm using a subclass of UITableViewController with no issues, using the (nibName:bundle:) form, but I've overridden that in my subclass. I tried replacing my subclass with a standard UITableViewController, and it still worked fine. Are you possibly overriding an init(...) method in your subclass?

Answer 2

In the AppDelegate or wherever you call the TableViewController:
func application(application: UIApplication!, didFinishLaunchingWithOptions launchOptions: NSDictionary!) -> Bool {
window = UIWindow(frame: UIScreen.mainScreen().bounds)
if let window = window {
window.backgroundColor = UIColor.whiteColor()
var mainTableViewController = MainTableTableViewController(style: .Plain)
window.rootViewController = UINavigationController(rootViewController: mainTableViewController)
window.makeKeyAndVisible()
}
return true
}
In the UITableViewController (assuming no custom TableViewCell implementation):
import UIKit
class MainTableTableViewController: UITableViewController {
override init(style: UITableViewStyle){
super.init(style: style)
}
override init(nibName nibNameOrNil: String!, bundle nibBundleOrNil: NSBundle!){
super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.registerClass(UITableViewCell.self, forCellReuseIdentifier: "Cell")
}
// MARK: - Tableview Data Source
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return [*YOUR_DATA_ARRAY].count
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("Cell", forIndexPath: indexPath) as UITableViewCell
cell.textLabel!.text = [*YOUR_DATA_ARRAY][indexPath.row]
}
For an full example: visit: https://github.com/ericcgu/EGStormTracker

Answer 3

I just removing
init(style: UITableViewStyle) {
super.init(style: style)
}
and then init like this:
let mainViewController: UITableViewController = MainViewController()