Merge pull request #41 from BaseflowIT/issues/38

Updated to latest Swift version (4.2)

.travis.yml

@@ -46,7 +46,7 @@ matrix:
       env:
         - SHARD="Build example ipas"
       language: generic
-      osx_image: xcode9.3
+      osx_image: xcode10.1
       before_script:
         - ./scripts/before_build_ipas.sh
         - export PATH=$HOME/flutter/bin:$HOME/flutter/bin/cache/dart-sdk/bin:$PATH

example/ios/Runner.xcodeproj/project.pbxproj

@@ -222,7 +222,7 @@
 			);
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
-				"${PODS_ROOT}/../.symlinks/flutter/ios/Flutter.framework",
+				"${PODS_ROOT}/../.symlinks/flutter/ios-release/Flutter.framework",
 				"${BUILT_PRODUCTS_DIR}/permission_handler/permission_handler.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
@@ -445,7 +445,7 @@
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Debug;
@@ -472,7 +472,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Release;

example/ios/Runner/AppDelegate.swift

@@ -5,7 +5,7 @@ import Flutter
 @objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,
-    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
     GeneratedPluginRegistrant.register(with: self)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)

ios/Classes/PermissionManager.swift

@@ -47,12 +47,12 @@ class PermissionManager: NSObject {
     static func openAppSettings(result: @escaping FlutterResult) {
         if #available(iOS 8.0, *) {
             if #available(iOS 10, *) {
-                UIApplication.shared.open(URL.init(string: UIApplicationOpenSettingsURLString)!, options: [:],
+                UIApplication.shared.open(URL.init(string: UIApplication.openSettingsURLString)!, options: convertToUIApplicationOpenExternalURLOptionsKeyDictionary([:]),
                                           completionHandler: {
                                             (success) in result(success)
                                           })
             } else {
-                let success = UIApplication.shared.openURL(URL.init(string: UIApplicationOpenSettingsURLString)!)
+                let success = UIApplication.shared.openURL(URL.init(string: UIApplication.openSettingsURLString)!)
                 result(success)
             }
         }
@@ -89,3 +89,8 @@ class PermissionManager: NSObject {
         }
     }
 }
+
+// Helper function inserted by Swift 4.2 migrator.
+fileprivate func convertToUIApplicationOpenExternalURLOptionsKeyDictionary(_ input: [String: Any]) -> [UIApplication.OpenExternalURLOptionsKey: Any] {
+	return Dictionary(uniqueKeysWithValues: input.map { key, value in (UIApplication.OpenExternalURLOptionsKey(rawValue: key), value)})
+}