print result in console

Samples/Playgrounds/LastEventsConsole.playground/Contents.swift

@@ -12,6 +12,7 @@ import DXFeedFramework
 // Just UI for symbol input
 class InputViewController: UIViewController {
     var textField = UITextField()
+    var resultLabel = UILabel()
 
     var feed: DXFeed!
 
@@ -21,18 +22,32 @@ class InputViewController: UIViewController {
         textField.translatesAutoresizingMaskIntoConstraints = false
 
         textField.topAnchor.constraint(equalTo: self.view.topAnchor, constant: 0).isActive = true
-        textField.bottomAnchor.constraint(equalTo: self.view.bottomAnchor, constant: 0).isActive = true
         textField.leadingAnchor.constraint(equalTo: self.view.leadingAnchor, constant: 15).isActive = true
         textField.trailingAnchor.constraint(equalTo: self.view.trailingAnchor, constant: -15).isActive = true
+        textField.heightAnchor.constraint(equalTo: self.view.heightAnchor, multiplier: 0.2).isActive = true
         textField.placeholder = "Type symbols to get their quote, trade, summary, and profile event snapshots"
         textField.delegate = self
+
+        view.addSubview(resultLabel)
+        resultLabel.translatesAutoresizingMaskIntoConstraints = false
+
+        resultLabel.bottomAnchor.constraint(equalTo: self.view.bottomAnchor, constant: 0).isActive = true
+        resultLabel.leadingAnchor.constraint(equalTo: self.view.leadingAnchor, constant: 5).isActive = true
+        resultLabel.trailingAnchor.constraint(equalTo: self.view.trailingAnchor, constant: -5).isActive = true
+        resultLabel.topAnchor.constraint(equalTo: self.textField.bottomAnchor, constant: 0).isActive = true
+
+        resultLabel.numberOfLines = 0
+        resultLabel.adjustsFontSizeToFitWidth = true
+        resultLabel.minimumScaleFactor = 0.1
+
     }
 }
 
 extension InputViewController: UITextFieldDelegate {
     func textFieldShouldReturn(_ textField: UITextField) -> Bool {
         do {
-            try fetchData(feed: feed, symbol: textField.text ?? "")
+            resultLabel.text = ""
+            resultLabel.text = try fetchData(feed: feed, symbol: textField.text ?? "")
         } catch {
             print("Error during fetching: \(error)")
         }
@@ -52,7 +67,7 @@ guard let feed = endpoint.getFeed() else {
     exit(-1)
 }
 
-func fetchData(feed: DXFeed, symbol: String) throws {
+func fetchData(feed: DXFeed, symbol: String) throws -> String {
     print("begin fetching for \(symbol)")
 
     /*
@@ -83,8 +98,10 @@ func fetchData(feed: DXFeed, symbol: String) throws {
      * have to specially process a case of timeout, so "awaitWithoutException" is used to continue
      * normal execution even on timeout. This sample prints a special message in the case of timeout.
      */
+    var result = ""
+
     if try Promise.allOf(promises: promises)?.awaitWithoutException(millis: 1000) == false {
-        print("Request timed out")
+        result += "Request timed out" + "\n"
     }
     /*
      * The combination above is used only to ensure a common wait of 1 second. Promises to individual events
@@ -93,16 +110,18 @@ func fetchData(feed: DXFeed, symbol: String) throws {
      * "null" is printed when the event is not available.
      */
     try promises.forEach { pr in
-        print(try pr.getResult()?.toString() ?? "Null result for \(pr)")
+        result += (try pr.getResult()?.toString() ?? "Null result for \(pr)") + "\n"
     }
+    print(result)
     print("end fetching for \(symbol)")
+    return result
 }
 
 
 
 let viewController = InputViewController()
 viewController.feed = feed
-viewController.view.frame = CGRect(x: 0, y: 0, width: 400, height: 150)
+viewController.view.frame = CGRect(x: 0, y: 0, width: 400, height: 300)
 
 PlaygroundPage.current.liveView = viewController.view
 PlaygroundPage.current.needsIndefiniteExecution = true