fix warning and change call methods with new signature

Samples/IpfTableApp/AppDelegate.swift

@@ -10,27 +10,19 @@ import UIKit
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
-
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-        // Override point for customization after application launch.
+    func application(_ application: UIApplication,
+                     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         return true
     }
 
     // MARK: UISceneSession Lifecycle
 
-    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
-        // Called when a new scene session is being created.
-        // Use this method to select a configuration to create the new scene with.
+    func application(_ application: UIApplication,
+                     configurationForConnecting connectingSceneSession: UISceneSession,
+                     options: UIScene.ConnectionOptions) -> UISceneConfiguration {
         return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
     }
 
     func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
-        // Called when the user discards a scene session.
-        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
-        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
     }
-
-
 }
-

Samples/IpfTableApp/IpfCell.swift

@@ -7,7 +7,6 @@
 
 import UIKit
 
-
 class IpfCell: UITableViewCell {
     @IBOutlet var titleLabel: UILabel!
     @IBOutlet var counterLabel: UILabel!

Samples/IpfTableApp/SceneDelegate.swift

@@ -11,42 +11,24 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
     var window: UIWindow?
 
-
-    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
-        // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
-        // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
-        // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
-        guard let _ = (scene as? UIWindowScene) else { return }
+    func scene(_ scene: UIScene,
+               willConnectTo session: UISceneSession,
+               options connectionOptions: UIScene.ConnectionOptions) {
     }
 
     func sceneDidDisconnect(_ scene: UIScene) {
-        // Called as the scene is being released by the system.
-        // This occurs shortly after the scene enters the background, or when its session is discarded.
-        // Release any resources associated with this scene that can be re-created the next time the scene connects.
-        // The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
     }
 
     func sceneDidBecomeActive(_ scene: UIScene) {
-        // Called when the scene has moved from an inactive state to an active state.
-        // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
     }
 
     func sceneWillResignActive(_ scene: UIScene) {
-        // Called when the scene will move from an active state to an inactive state.
-        // This may occur due to temporary interruptions (ex. an incoming phone call).
     }
 
     func sceneWillEnterForeground(_ scene: UIScene) {
-        // Called as the scene transitions from the background to the foreground.
-        // Use this method to undo the changes made on entering the background.
     }
 
     func sceneDidEnterBackground(_ scene: UIScene) {
-        // Called as the scene transitions from the foreground to the background.
-        // Use this method to save data, release shared resources, and store enough scene-specific state information
-        // to restore the scene back to its current state.
     }
 
-
 }
-

Samples/IpfTableApp/ViewController.swift

@@ -75,13 +75,17 @@ extension ViewController: DXInstrumentProfileUpdateListener {
             }
         }
         DispatchQueue.main.async {
-            self.lastUpdateLabel.text = TimeUtil.toLocalDateString(millis: self.collector?.getLastUpdateTime() ?? 0)
             self.ipfList = self.buffer.map { _, value in
                 value
             }.sorted(by: { ipf1, ipf2 in
                 ipf1.symbol < ipf2.symbol
             })
             self.ipfTableView.reloadData()
+            self.lastUpdateLabel.text =
+"""
+\(self.ipfList.count) profiles: \(TimeUtil.toLocalDateString(millis: self.collector?.getLastUpdateTime() ?? 0))
+"""
+
         }
     }
 }

Samples/LatencyTestApp/LatencyViewController.swift

@@ -72,11 +72,11 @@ class LatencyViewController: UIViewController {
                 return
             }
             endpoint = try? DXEndpoint.builder().withRole(.feed).build()
-            endpoint?.add(self)
+            endpoint?.add(observer: self)
             try? endpoint?.connect(address)
 
             subscription = try? endpoint?.getFeed()?.createSubscription(.timeAndSale)
-            try? subscription?.add(self)
+            try? subscription?.add(observer: self)
 
             try? subscription?.addSymbols(symbols)
             diagnostic.cleanTime()

Samples/PertTestApp/PerfTestViewController.swift

@@ -125,13 +125,13 @@ class PerfTestViewController: UIViewController {
                 return
             }
             endpoint = try? DXEndpoint.builder().withRole(.feed).build()
-            endpoint?.add(self)
+            endpoint?.add(observer: self)
             try? endpoint?.connect(address)
 
             subscription = try? endpoint?.getFeed()?.createSubscription(.timeAndSale)
             profileSubscription = try? endpoint?.getFeed()?.createSubscription(.profile)
-            try? subscription?.add(self)
-            try? profileSubscription?.add(self)
+            try? subscription?.add(observer: self)
+            try? profileSubscription?.add(observer: self)
 
             try? subscription?.addSymbols(symbols)
             try? profileSubscription?.addSymbols(symbols)