Sejuti Saha Sejuti Saha - 1 month ago 13
JSON Question

UISearch is not Working in JSON api UITable View

All

I am trying to develop an app. Now i need to search the video list using UISearch View.

here is my code. I can see the search bar but it's not working.

import UIKit
import GoogleMobileAds

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, GADInterstitialDelegate, UIAlertViewDelegate, UISearchBarDelegate {

@IBOutlet weak var tblVideos: UITableView!

@IBOutlet weak var banner3: GADBannerView!


var interstitial: GADInterstitial!


@IBOutlet weak var viewWait: UIView!



var channelsDataArray: Array<Dictionary<String, Any>> = []

var apikey = ""

var selectedVideoIndex: Int!


override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.

if connectedToNetwork() == true {

tblVideos.delegate = self
tblVideos.dataSource = self

print("Google Mobile Ads SDK version: " + GADRequest.sdkVersion())
banner3.adUnitID = ""
banner3.rootViewController = self
banner3.load(GADRequest())

getChannelDetails(false)
loadInterstitial()
searchBar()

}

else {
let controller = UIAlertController(title: "No Internet Detected", message: "This app requires an Internet connection", preferredStyle: .alert)
let ok = UIAlertAction(title: "OK", style: .default, handler: nil)
let cancel = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)

controller.addAction(ok)
controller.addAction(cancel)

present(controller, animated: true, completion: nil)
}
}

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

func searchBar() {
let searchBar = UISearchBar(frame: CGRect(x: 0, y: 0, width: self.view.frame.width, height: 50))
searchBar.delegate = self
searchBar.showsScopeBar = true
searchBar.tintColor = UIColor.lightGray
self.tblVideos.tableHeaderView = searchBar

}


func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {

if searchText == "" {
//do something
getChannelDetails(false)
}
else {

channelsDataArray = channelsDataArray.filter({($0["title"] as! String).contains(searchText)})

}

}


override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if let playerViewController = segue.destination as? PlayerViewController {
playerViewController.videoID = channelsDataArray[selectedVideoIndex]["videoId"] as! String
}
}




// MARK: UITableView method implementation

func numberOfSections(in tableView: UITableView) -> Int {
return 1
}


func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

return channelsDataArray.count


}


func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
var cell: UITableViewCell!


cell = tableView.dequeueReusableCell(withIdentifier: "idCellChannel", for: indexPath)

let channelTitleLabel = cell.viewWithTag(10) as! UILabel

let thumbnailImageView = cell.viewWithTag(12) as! UIImageView

let channelDetails = channelsDataArray[indexPath.row]
channelTitleLabel.text = channelDetails["title"] as? String

thumbnailImageView.image = UIImage(data: try! Data(contentsOf: URL(string: (channelDetails["url"] as? String)!)!))


return cell
}


func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return 350.0
}


func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

selectedVideoIndex = indexPath.row
performSegue(withIdentifier: "idSeguePlayer", sender: self)
if (interstitial!.isReady) {
interstitial!.present(fromRootViewController: self)
}
loadInterstitial()

}







// MARK: UITextFieldDelegate method implementation



// MARK: Custom method implementation

func performGetRequest(_ targetURL: URL!, completion: @escaping (_ data: Data?, _ HTTPStatusCode: Int, _ error: Error?) -> Void) {
var request = URLRequest(url: targetURL)
request.httpMethod = "GET"

let sessionConfiguration = URLSessionConfiguration.default

let session = URLSession(configuration: sessionConfiguration)

let task = session.dataTask(with: request, completionHandler: { (data: Data?, response: URLResponse?, error: Error?) -> Void in
DispatchQueue.main.async(execute: { () -> Void in
completion(data, (response as! HTTPURLResponse).statusCode, error)
})
} )

task.resume()
}


func getChannelDetails(_ useChannelIDParam: Bool) {
var urlString: String!
if !useChannelIDParam {
urlString = "https://www.googleapis.com/youtube/v3/search?part=id%2Csnippet&type=video&q=mufti+amir+hamza&maxResults=50&key=apikey"
}

let targetURL = URL(string: urlString)

performGetRequest(targetURL, completion: { (data, HTTPStatusCode, error) -> Void in
if HTTPStatusCode == 200 && error == nil {

do {

if let resultsDict = try JSONSerialization.jsonObject(with: data!, options: []) as? [String:Any] {
if let items = resultsDict["items"] as? [[String:Any]] {
for item in items {
var desiredValues = [String:Any]()

//get the videoId
if let id = item["id"] as? [String:Any], let videoId = id["videoId"] as? String{
desiredValues["videoId"] = videoId
}

//get title and thumbnail from snippet
if let snippet = item["snippet"] as? [String:Any] {
if let title = snippet["title"] {
desiredValues["title"] = title
}
if let thumbanail = snippet["thumbnails"] as? [String:Any], let highValues = thumbanail["high"] as? [String:Any], let url = highValues["url"] as? String {
desiredValues["url"] = url
}
}
self.channelsDataArray.append(desiredValues)
}
DispatchQueue.main.async {
self.tblVideos.reloadData()
}
}

}
}
catch (let error){
print("Error while parsing data: \(error.localizedDescription)")
}
}

self.viewWait.isHidden = true

})
}




//inter

fileprivate func loadInterstitial() {
interstitial = GADInterstitial(adUnitID: "")
interstitial!.delegate = self

// Request test ads on devices you specify. Your test device ID is printed to the console when
// an ad request is made.
interstitial!.load(GADRequest())
}


// MARK: GADInterstitialDelegate implementation

func interstitialDidFailToReceiveAdWithError (
_ interstitial: GADInterstitial,
error: GADRequestError) {
print("interstitialDidFailToReceiveAdWithError: %@" + error.localizedDescription)
}

func interstitialDidDismissScreen (_ interstitial: GADInterstitial) {
print("interstitialDidDismissScreen")

}


}

I just need to now filter my list as a Titile. Can please any help me to solved it?

Answer Source

Try with this

Replace this

    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {

    if searchText == "" {
        //do something
        getChannelDetails(false)
    }
    else {

         channelsDataArray = channelsDataArray.filter({ (alldata) -> Bool in

        return true

    })

    }

}

By this

    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {

    if searchText == "" {
        //do something
        getChannelDetails(false)
    }
    else {

            channelsDataArray = channelsDataArray.filter({($0["title"] as! String).contains(searchText)})
           self.tableView.reloadData()
    }

}