didSelectRowAtIndexPath not being called - ios

Question

I am trying to use youtube api in ios swift, and following this tutorial http://www.appcoda.com/youtube-api-ios-tutorial/, but some how my didSelectRowAtIndexPath method is never being called.
Any suggestions will be helpful. Thanks
import UIKit
class SearchVideosViewController: UIViewController, UITableViewDataSource,UITableViewDelegate , UITextFieldDelegate{
#IBOutlet weak var wait: UIView!
#IBOutlet weak var tblShowVideoList: UITableView!
#IBOutlet weak var searchVideoText: UITextField!
var selectedVideoIndex:Int!
var videosArray: Array<Dictionary<NSObject,AnyObject>> = []
var apiKey = "my_api_key"
override func viewDidLoad() {
super.viewDidLoad()
searchVideoText.delegate = self
tblShowVideoList.delegate = self
tblShowVideoList.dataSource = self
wait.hidden = true
// Do any additional setup after loading the view.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return videosArray.count
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
var cell: UITableViewCell!
cell = tableView.dequeueReusableCellWithIdentifier("videolistcell", forIndexPath: indexPath)
let videoTitle = cell.viewWithTag(10) as! UILabel
let videoThumbnail = cell.viewWithTag(11) as! UIImageView
let videoDetails = videosArray[indexPath.row]
videoTitle.text = videoDetails["title"] as? String
videoThumbnail.image = UIImage(data: NSData(contentsOfURL: NSURL(string: (videoDetails["thumbnail"] as? String)!)!)!)
return cell
}
func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return 140.0
}
// MARK: UITextFieldDelegate method implementation
func textFieldShouldReturn(textField: UITextField) -> Bool {
textField.resignFirstResponder()
wait.hidden = false
let type = "video"
// Form the request URL string.
var urlString = "https://www.googleapis.com/youtube/v3/search?part=snippet&q=\(textField.text)&type=\(type)&key=\(apiKey)"
urlString = urlString.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet())!
// Create a NSURL object based on the above string.
let targetURL = NSURL(string: urlString)
// Get the results.
performGetRequest(targetURL, completion: { (data, HTTPStatusCode, error) -> Void in
if HTTPStatusCode == 200 && error == nil {
// Convert the JSON data to a dictionary object.
do {
let resultsDict = try NSJSONSerialization.JSONObjectWithData(data!, options: []) as! Dictionary<NSObject, AnyObject>
// Get all search result items ("items" array).
let items: Array<Dictionary<NSObject, AnyObject>> = resultsDict["items"] as! Array<Dictionary<NSObject, AnyObject>>
// Loop through all search results and keep just the necessary data.
for var i=0; i<items.count; ++i {
let snippetDict = items[i]["snippet"] as! Dictionary<NSObject, AnyObject>
// Gather the proper data depending on whether we're searching for channels or for videos.
// Create a new dictionary to store the video details.
var videoDetailsDict = Dictionary<NSObject, AnyObject>()
videoDetailsDict["title"] = snippetDict["title"]
videoDetailsDict["thumbnail"] = ((snippetDict["thumbnails"] as! Dictionary<NSObject, AnyObject>)["default"] as! Dictionary<NSObject, AnyObject>)["url"]
videoDetailsDict["videoID"] = (items[i]["id"] as! Dictionary<NSObject, AnyObject>)["videoId"]
// Append the desiredPlaylistItemDataDict dictionary to the videos array.
self.videosArray.append(videoDetailsDict)
// Reload the tableview.
self.tblShowVideoList.reloadData()
}
} catch {
print(error)
}
}
else {
print("HTTP Status Code = \(HTTPStatusCode)")
print("Error while loading channel videos: \(error)")
}
// Hide the activity indicator.
self.wait.hidden = true
})
return true
}
func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
print("Selected row index \(indexPath.row)")
selectedVideoIndex = indexPath.row
performSegueWithIdentifier("playVideo", sender: self)
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "playVideo" {
let videosPlayerViewController = segue.destinationViewController as! VideosPlayerViewController
videosPlayerViewController.videoID = videosArray[selectedVideoIndex]["videoId"] as! String
}
}
// MARK: Custom method implementation
func performGetRequest(targetURL: NSURL!, completion: (data: NSData?, HTTPStatusCode: Int, error: NSError?) -> Void) {
let request = NSMutableURLRequest(URL: targetURL)
request.HTTPMethod = "GET"
let sessionConfiguration = NSURLSessionConfiguration.defaultSessionConfiguration()
let session = NSURLSession(configuration: sessionConfiguration)
let task = session.dataTaskWithRequest(request, completionHandler: { (data: NSData?, response: NSURLResponse?, error: NSError?) -> Void in
dispatch_async(dispatch_get_main_queue(), { () -> Void in
completion(data: data, HTTPStatusCode: (response as! NSHTTPURLResponse).statusCode, error: error)
})
})
task.resume()
}
}

Answer 1

Try comments on:
searchVideoText.delegate = self