Update Unity Version + Swift Version

Updated to Unity 2019.2.0f1 and Swift 5

Author: richardschembri

Example/Assets/UnitySwift/Editor/PostProcessor.cs

@@ -1,4 +1,5 @@
-using UnityEngine;
+#if UNITY_IOS
+using UnityEngine;
 using UnityEditor;
 using UnityEditor.Callbacks;
 using UnityEditor.iOS.Xcode;
@@ -12,7 +13,6 @@ namespace UnitySwift {
     public static class PostProcessor {
         [PostProcessBuild]
         public static void OnPostProcessBuild(BuildTarget buildTarget, string buildPath) {
-            #if UNITY_IOS
             if(buildTarget == BuildTarget.iOS) {
                 // So PBXProject.GetPBXProjectPath returns wrong path, we need to construct path by ourselves instead
                 // var projPath = PBXProject.GetPBXProjectPath(buildPath);
@@ -31,7 +31,7 @@ public static void OnPostProcessBuild(BuildTarget buildTarget, string buildPath)
 
                 proj.WriteToFile(projPath);
             }
-            #endif
         }
     }
 }
+#endif

README.md

@@ -50,7 +50,7 @@ class Example : NSObject {
 import Foundation
 
 class Example : NSObject {
-    static func swiftMethod(_ message: String) {
+    @objc static func swiftMethod(_ message: String) {
         print("\(#function) is called with message: \(message)")
     }
 }
@@ -106,9 +106,9 @@ The file names of *UnitySwift-Bridging-Header.h* and *unityswift-Swift.h* are de
 
 ## Requirements
 
-iOS 7 or later
+iOS 9 or later
 
 ## Compatibility
 
-Unity 5.3.5f1  
-Xcode 7.3.1
+Unity 2019.2.0f1
+Xcode 10.3