feat(ios): support multi-scene applications

Author: m1ga

iphone/TitaniumKit/TitaniumKit/Sources/API/TiApp.h

@@ -13,17 +13,10 @@
 #import "TiRootViewController.h"
 #import <JavaScriptCore/JavaScriptCore.h>
 
-extern BOOL applicationInMemoryPanic; // TODO: Remove in SDK 9.0+
-
-// TODO: Remove in SDK 9.0+
-TI_INLINE void waitForMemoryPanicCleared() // WARNING: This must never be run on main thread, or else there is a risk of deadlock!
-{
-}
-
 /**
  TiApp represents an instance of an application. There is always only one instance per application which could be accessed through <app> class method.
  */
-@interface TiApp : TiHost <UIApplicationDelegate, NSURLSessionDelegate, NSURLSessionTaskDelegate, NSURLSessionDownloadDelegate, UNUserNotificationCenterDelegate> {
+@interface TiApp : TiHost <UIApplicationDelegate, NSURLSessionDelegate, NSURLSessionTaskDelegate, NSURLSessionDownloadDelegate, UNUserNotificationCenterDelegate, UIWindowSceneDelegate> {
   UIWindow *window;
   UIImageView *loadView;
   UIView *splashScreenView;

iphone/TitaniumKit/TitaniumKit/Sources/API/TiApp.m

@@ -33,11 +33,6 @@
 
 #define SHUTDOWN_TIMEOUT_IN_SEC 3
 
-BOOL applicationInMemoryPanic = NO; // TODO: Remove in SDK 9.0+
-
-// TODO: Remove in SDK 9.0+
-TI_INLINE void waitForMemoryPanicCleared(void); // WARNING: This must never be run on main thread, or else there is a risk of deadlock!
-
 @interface TiApp ()
 - (void)checkBackgroundServices;
 - (void)appBoot;
@@ -327,15 +322,9 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     [[TiLogServer defaultLogServer] start];
   }
 
-  // Initialize the root-window
-  window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
-
   // Initialize the launch options to be used by the client
   launchOptions = [[NSMutableDictionary alloc] initWithDictionary:launchOptions_];
 
-  // Initialize the root-controller
-  [self initController];
-
   // If we have a APNS-UUID, assign it
   NSString *apnsUUID = [[NSUserDefaults standardUserDefaults] stringForKey:@"APNSRemoteDeviceUUID"];
   if (apnsUUID != nil) {
@@ -1235,6 +1224,22 @@ - (KrollBridge *)krollBridge
   return kjsBridge;
 }
 
+#pragma mark UIWindowSceneDelegate
+
+- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options
+{
+  return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
+}
+
+- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions
+{
+  // Initialize the root-window
+  window = [[UIWindow alloc] initWithWindowScene:(UIWindowScene *)scene];
+
+  // Initialize the root-controller
+  [self initController];
+}
+
 #pragma mark Background Tasks
 
 - (void)beginBackgrounding

iphone/iphone/Titanium.plist

@@ -74,5 +74,22 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<true/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>TiApp</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
 </dict>
 </plist>

support/iphone/Info.plist

@@ -36,5 +36,22 @@
 	<string>1.0</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>TiApp</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
 </dict>
 </plist>