As you can see here
import UIKit
class Connecting {
let refHandler = Firebase(url: "https://-unique-link-.firebaseio.com/handlers")
var handlerID: [AnyObject] = []
func getHandlerStatus() {
refHandler.queryOrderedByChild("status").observeEventType(.ChildAdded, withBlock: { snapshot in
if let status = snapshot.value["status"] as? Int {
if status == 0 {
self.handlerID.append(snapshot.key)
print(self.handlerID)
} else {
//Do Nothing
}
}
})
}
func handlerIDReturn() -> NSArray {
print(handlerID)
return handlerID
}
}
handlerID array is filled but when i check, its empty. :( please help
Ive updated with all the codes.
Here is a calling code. I use button to call each fund
#IBAction func callerButton(sender: AnyObject) {
Connecting().getHandlerStatus()
}
#IBAction func button2nd(sender: AnyObject) {
print(Connecting().handlerIDReturn())
}
You need to create just one instance of Connecting and use that. At the moment, every call to Connecting() is giving you a new object.
let connecting = Connecting()
#IBAction func callerButton(sender: AnyObject) {
connecting.getHandlerStatus()
}
#IBAction func button2nd(sender: AnyObject) {
print(connecting.handlerIDReturn())
}
Related
I don't use storyboards.
I want to send protocol data using #objc button action.
However, the sent view controller does not run the protocol function.
May I know what the reason is?
In fact, there's a lot more code.
Others work, but only protocol functions are not executed.
The didUpdataChampion function is
Data imported into a different protocol.
I have confirmed that there is no problem with this.
protocol MyProtocolData {
func protocolData(dataSent: String)
func protocolCount(dataInt: Int)
}
class PickViewController: UIViewController,ChampionManagerDelegate{
static let identifier = "PickViewController"
var count = 0
var urlArray = [URL]()
var pickDelegate : MyProtocolData?
override func viewDidLoad() {
super.viewDidLoad()
champions.riot(url: "myURL")
}
#objc func topHand(){
pickDelegate?.protocolData(dataSent: "top")
print(count)
pickDelegate?.protocoCount(dataInt: count)
let cham = ChampViewController()
cham.modalPresentationStyle = .fullScreen
present(cham, animated: true, completion: nil)
}
//Data imported to another protocol
func didUpdataChampion(_ championManager: ChampionManager, champion: [ChampionRiot]) {
print(#function)
count = champion.count
for data in champion {
let id = data.id
guard let url = URL(string: "https://ddragon.leagueoflegends.com/cdn/11.16.1/img/champion/\(id).png") else { return }
urlArray.append(url)
count = urlArray.count
}
}
func didFailWithError(error: Error) {
print(error)
}
}
class ChampViewController: UIViewController,MyProtocolData {
var pickData = ""
var arrayCount = 0
override func viewDidLoad() {
super.viewDidLoad()
}
func protocolData(dataSent: String) {
print(#function)
pickData = dataSent
print(pickData)
}
func protocoCount(dataInt: Int) {
print(#function)
arrayCount = dataInt
print(arrayCount)
}
}
i don't see full code, for instance how you call bind to topHand(), my advice is:
check that topHand - is called
check that pickDelegate isn't nil inside topHand
Create Object fo your PickViewController class and set its delegate to self.
var yourObj = PickViewController()
override func viewDidLoad() {
super.viewDidLoad()
yourObj.delegate = self
}
I have a "Share on Facebook" button in my app at 3 different view controllers. So I wrote a class which name is "ShareCentral" and i want to do all sharing operations in this class. But for showing share dialog i need to pass uiviewcontroller to my ShareCentral class. I did like that:
class ShareCentral {
var UIVC: UIViewController
init(vc:UIViewController) {
self.UIVC = vc
}
func shareOnFacebook() {
var content = LinkShareContent(url: URL(string:userProfileLink)!)
do {
try ShareDialog.show(from: UIVC, content: content)
}catch (let error) {
print(error)
}
}
}
And this is my view controller:
class SettingsViewController: UIViewController {
let shareCentral = ShareCentral(vc: self)
#IBAction func shareButtonClicked(_ sender: AnyObject) {
self.shareCentral.shareOnFacebook()
}
}
I am getting following compiler error:
SettingsViewController.swift:40:41: Cannot convert value of type '(SettingsViewController) -> () -> (SettingsViewController)' to expected argument type 'UIViewController'
I know if i change the type of UIVC to "SettingsViewController" the problem will disappear. But as i said before i am gonna use this method in three different view controllers.
How can i resolve this problem?
Try this instead :
class ShareCentral {
unowned var UIVC: UIViewController
init(vc:UIViewController) {
self.UIVC = vc
}
func shareOnFacebook() {
var content = LinkShareContent(url: URL(string:userProfileLink)!)
do {
try ShareDialog.show(from: UIVC, content: content)
} catch (let error) {
print(error)
}
}
}
class SettingsViewController: UIViewController {
var shareVC: ShareVC!
override func viewDidLoad() {
super.viewDidLoad()
self.shareVC = ShareVC(vc: self)
}
#IBAction func shareButtonClicked(_ sender: AnyObject) {
self.shareCentral.shareOnFacebook()
}
}
I try to migrate delegate of DifficultyViewDelegate to observable. This is my DifficultyViewDelegate :
#objc protocol DifficultyViewDelegate: class {
func levelDidIncrease()
func levelDidDecrease()
}
And my DifficultyView :
weak var delegate: DifficultyViewDelegate?
#IBAction func decreaseLevel(_ sender: Any) {
delegate?.levelDidDecrease()
}
#IBAction func increaseLevel(_ sender: Any) {
delegate?.levelDidIncrease()
}
And this is my RxDifficultyViewDelegateProxy
class RxDifficultyViewDelegateProxy: DelegateProxy, DelegateProxyType {
static func currentDelegateFor(_ object: AnyObject) -> AnyObject? {
let difficultyView: DifficultyView = object as! DifficultyView
return difficultyView.delegate
}
static func setCurrentDelegate(_ delegate: AnyObject?, toObject object: AnyObject) {
let difficultyView: DifficultyView = object as! DifficultyView
difficultyView.delegate = delegate as? DifficultyViewDelegate
}
}
I also added an extension on my DifficultyView :
extension DifficultyView {
public var rx_delegate: RxDifficultyViewDelegateProxy {
return RxDifficultyViewDelegateProxy.proxyForObject(RxDifficultyViewDelegateProxy.self)
}
public var rx_levelDidIncrease: Observable<Void> {
return rx_delegate.methodInvoked(#selector(DifficultyViewDelegate.levelDidIncrease)).map { _ in return }
}
}
But it seems that when I do :
difficultyView.rx_levelDidIncrease.asObservable().subscribe(onNext: {
print("did increase")
}).addDisposableTo(disposeBag)
It's never called. Someone has any pointers ?
Try use PublishSubject:
DifficultyView:
class DifficultyView: UIView {
var levelDidIncrease = PublishSubject<Void>()
var levelDidDecrease = PublishSubject<Void>()
#IBAction func decreaseLevel(_ sender: Any) {
levelDidDecrease.onNext()
}
#IBAction func increaseLevel(_ sender: Any) {
levelDidIncrease.onNext()
}
}
And then:
var difficultyView = DifficultyView()
difficultyView.levelDidDecrease.asObservable()
.subscribe(onNext: {
print("did decrease")
})
.addDisposableTo(disposeBag)
difficultyView.decreaseLevel(theSender) // <- THIS line performs the side effect
So basically I want to enable Sinch Video in iOS application.
For testing purposes I've created SinchManaevger which is singleton and I instatiate it in AppDelegate:
class SinchManager: NSObject, SINClientDelegate, SINCallClientDelegate {
static let sharedInstance = SinchManager()
var client: SINClient?
func initSinchClientWithUserId(id: String) {
if client == nil {
if case .Authenticated(let currentUser, _) = SessionManager.sharedInstance.state.value {
self.client = Sinch.clientWithApplicationKey("xyz", applicationSecret: "xyz", environmentHost: "sandbox.sinch.com", userId: currentUser.username)
print("sinchClient")
print(client!)
self.client!.delegate = self
self.client!.setSupportCalling(true)
self.client!.enableManagedPushNotifications()
self.client!.start()
self.client!.startListeningOnActiveConnection()
}
}
}
func clientDidStart(client: SINClient!) {
print("clientDidStart")
self.client!.callClient().delegate = self
}
func clientDidStop(client: SINClient!) {
print("clientDidStop")
}
func clientDidFail(client: SINClient!, error: NSError!) {
print("clientDidFail")
}
func client(client: SINCallClient!, didReceiveIncomingCall call: SINCall!) {
print("didReceiveIncomingCall")
let sinchVC = SinchVC(username: currentUser.username)
let sinchNC = DNMMainNC(rootViewController: sinchVC)
sinchVC.call = call
}
}
And I've created Sinch ViewController which is initialized with username which will be called:
class SinchVC: UIViewController, SINCallDelegate {
private let videoController = SinchManager.sharedInstance.client!.videoController()
private let audioController = SinchManager.sharedInstance.client!.audioController()
private let callClient: SINCallClient
private var call: SINCall!
let username: String
private var mainView: SinchView { return view as! SinchView }
override func loadView() {
view = SinchView()
}
init(username: String) {
self.username = username
self.callClient = SinchManager.sharedInstance.client!.callClient()
super.init(nibName: nil, bundle: nil)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
call.delegate = self
self.mainView.videoView.addSubview(self.videoController.localView())
self.videoController.localView().contentMode = .ScaleToFill
if self.call.direction == SINCallDirection.Incoming {
self.audioController.startPlayingSoundFile(self.pathForSound("incoming.wav") as String, loop: true)
}
if self.call.details.videoOffered {
print("video offered")
self.mainView.videoView.addSubview(self.videoController.localView())
self.videoController.localView().contentMode = .ScaleToFill
}
mainView.videoView.addSubview(self.videoController.localView())
mainView.answerButton.addTarget(self, action: #selector(answer), forControlEvents: .TouchUpInside)
mainView.declineButton.addTarget(self, action: #selector(decline), forControlEvents: .TouchUpInside)
}
override func viewWillAppear(animated: Bool) {
super.viewWillAppear(animated)
self.audioController.enableSpeaker()
}
func pathForSound(string: String) -> NSString {
let nsSt = NSBundle.mainBundle().resourcePath! as NSString
return nsSt.stringByAppendingPathComponent(string)
}
func answer() {
call.answer()
}
func decline() {
call.hangup()
}
func callDidEstablish(call: SINCall!) {
print("callDidEstablish")
}
func callDidEnd(call: SINCall!) {
print("callDidEnd")
}
func callDidProgress(call: SINCall!) {
print("callDidProgress")
self.audioController.startPlayingSoundFile(self.pathForSound("ringback.wav") as String, loop: true)
}
func callDidAddVideoTrack(call: SINCall!) {
print("callDidAddVideoTrack")
mainView.videoView.addSubview(self.videoController.remoteView())
}
}
Problem is when I try to call from my app to other phone with my app nothing happens (didReceiveIncomingCall delegate method doesn't get called at all)
If I try to call from my app to SinchVideo sample app then video call gets initiated normal. But when i call from SinchVideo app to my app nothing happens in my app. So probably i've forgot to add some notification or something to tell my app when the call is incoming. If you could help I would be very grateful. Thanks
EDIT: I managed to make didReceiveIncomingCall work but now call.answer isnt working. (nothing happens when call.answer is called and i see that my phone is ringing)
I am not sure what DNMMainNC does in your did recieve incoming call,
let sinchNC = DNMMainNC(rootViewController: sinchVC) What does DNMMainNC do?
sinchVC.call = call // private var?
But its looks kind of weird to set a private var call from your code, should that not be public or have a constructor like your init but with a call
I want to improve the MPCRevisited project which is Chat app that using multi peer method. I'm using BLE to connect one device to another device (iPad and iPod) and send and receive the data. However, when I press home button to make background mode on one device, after 5 seconds, I can't send or receive the data.
image description here
I've already check all the thing in background modes, but still its not working at all.
import UIKit
import MultipeerConnectivity
class ParkBenchTimer {
let startTime:CFAbsoluteTime
var endTime:CFAbsoluteTime?
init() {
startTime = CFAbsoluteTimeGetCurrent()
}
func stop() -> CFAbsoluteTime {
endTime = CFAbsoluteTimeGetCurrent()
return duration!
}
var duration:CFAbsoluteTime? {
if let endTime = endTime {
return endTime - startTime
} else {
return nil
}
}
}
class ChatViewController: UIViewController, UITextFieldDelegate, UITableViewDelegate, UITableViewDataSource {
#IBOutlet weak var chatTextField: UITextField!
#IBOutlet weak var chatTableView: UITableView!
var messagesArray: [[String : String]] = []
let mpcManager = MPCManager.sharedInstance
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
self.chatTableView.delegate = self
self.chatTableView.dataSource = self
self.chatTableView.estimatedRowHeight = 60.0
self.chatTableView.rowHeight = UITableViewAutomaticDimension
self.chatTextField.delegate = self
self.mpcManager.messageRecievedDelegate = self
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
// MARK: IBAction method implementation
#IBAction func endChat(sender: AnyObject) {
let messageDictionary: [String: String] = ["message": "_end_chat_"]
if self.mpcManager.sendData(dictionaryWithData: messageDictionary, toPeer: self.mpcManager.session.connectedPeers[0] as MCPeerID){
self.dismissViewControllerAnimated(true, completion: { () -> Void in
self.mpcManager.session.disconnect()
})
}
}
// MARK: UITableView related method implementation
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.messagesArray.count
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
guard let cell = tableView.dequeueReusableCellWithIdentifier("idCell") else {
assert(true)
return UITableViewCell()
}
guard let currentMessage = self.messagesArray[safe: indexPath.row] else {
print(" ")
assert(true)
return UITableViewCell()
}
if let sender = currentMessage["sender"] {
var senderLabelText: String
var senderColor: UIColor
if sender == "self" {
senderLabelText = "I said:"
senderColor = UIColor.purpleColor()
} else {
senderLabelText = sender + " said:"
senderColor = UIColor.orangeColor()
}
cell.detailTextLabel?.text = senderLabelText
cell.detailTextLabel?.textColor = senderColor
}
if let message = currentMessage["message"] {
cell.textLabel?.text = message
}
return cell
}
// MARK: UITextFieldDelegate method implementation
func textFieldShouldReturn(textField: UITextField) -> Bool {
textField.resignFirstResponder()
guard let textFieldText = textField.text else {
assert(true)
return false
}
let messageDictionary: [String: String] = ["message": textFieldText]
guard let connectedPeer = self.mpcManager.session.connectedPeers[safe: 0] else {
print(" ")
assert(true)
return false
}
if self.mpcManager.sendData(dictionaryWithData: messageDictionary, toPeer: connectedPeer) {
let dictionary = ["sender": "self", "message": textFieldText]
self.messagesArray.append(dictionary)
self.updateTableview()
} else {
print("Could not send data")
}
textField.text = ""
return true
}
// MARK: Custom method implementation
func updateTableview(){
chatTableView.reloadData()
if self.chatTableView.contentSize.height > self.chatTableView.frame.size.height {
let indexPathToScrollTo = NSIndexPath(forRow: messagesArray.count - 1, inSection: 0)
self.chatTableView.scrollToRowAtIndexPath(indexPathToScrollTo, atScrollPosition: .Bottom, animated: true)
}
}
}
extension ChatViewController : MPCManagerRecievedMessageDelegate {
func managerRecievedData(data:NSData ,fromPeer:MCPeerID) {
// Convert the data (NSData) into a Dictionary object.
let dataDictionary = NSKeyedUnarchiver.unarchiveObjectWithData(data) as! [String : String]
// Check if there's an entry with the "message" key.
if let message = dataDictionary["message"] {
// Make sure that the message is other than "_end_chat_".
if message != "_end_chat_"{
// Create a new dictionary and set the sender and the received message to it.
let messageDictionary: [String: String] = ["sender": fromPeer.displayName, "message": message]
// Add this dictionary to the messagesArray array.
messagesArray.append(messageDictionary)
// Reload the tableview data and scroll to the bottom using the main thread.
self.updateTableview()
} else {
}
}
}
func managerDidRecievedMessage(message: String, fromPeer: MCPeerID) {
// Create a new dictionary and set the sender and the received message to it.
//let messageDictionary: [String: String] = ["sender": fromPeer.displayName, "message": message]
// Add this dictionary to the messagesArray array.
//messagesArray.append(messageDictionary)
// Reload the tableview data and scroll to the bottom using the main thread.
//self.updateTableview()
}
func managerDidEndChat(fromPeer:MCPeerID) {
// In this case an "_end_chat_" message was received.
// Show an alert view to the user.
let alert = UIAlertController(title: "", message: "\(fromPeer.displayName) ended this chat.", preferredStyle: UIAlertControllerStyle.Alert)
let doneAction: UIAlertAction = UIAlertAction(title: "Okay", style: UIAlertActionStyle.Default) { (alertAction) -> Void in
self.mpcManager.session.disconnect()
self.dismissViewControllerAnimated(true, completion: nil)
}
alert.addAction(doneAction)
self.presentViewController(alert, animated: true, completion: nil)
}
}
This is my code.
Please help me if someone knows this problem. What I want to do is one device to keep sending the message and other device to become background and foreground back and forth.
Thank you.
Looking at some other StackOverflow posts (here and here), it seems like the Multipeer Connectivity Framework is not built to function in the background and your functionality will disappear after a couple minutes.
Bluetooth will function in the background, with the capabilities that you checked, but you will have to create your own messaging platform; even though Multipeer relies partially on Bluetooth, the capabilities are separate entities.