Merge pull request #1214 from OneSignal/5.0.0/expose_set_launch_options

[5.0.0] expose `setLaunchOptions` method for wrapper SDKs

Author: nan-li

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -321,10 +321,16 @@ + (BOOL)isValidAppId:(NSString*)appId {
  1/2 steps in OneSignal init, relying on setAppId (usage order does not matter)
  Sets the iOS sepcific app settings
  Method must be called to successfully init OneSignal
+ Note: While this is called via `initialize`, it is also called directly from wrapper SDKs.
  */
 + (void)setLaunchOptions:(nullable NSDictionary*)newLaunchOptions {
     [OneSignalLog onesignalLog:ONE_S_LL_VERBOSE message:[NSString stringWithFormat:@"setLaunchOptions() called with launchOptions: %@!", launchOptions.description]];
 
+    // Don't continue if the newLaunchOptions are nil
+    if (!newLaunchOptions) {
+        return;
+    }
+
     launchOptions = newLaunchOptions;
 
     // Cold start from tap on a remote notification

iOS_SDK/OneSignalSDK/Source/OneSignalFramework.h

@@ -82,6 +82,7 @@ NS_SWIFT_NAME(login(externalId:token:));
 + (Class<OSNotifications>)Notifications NS_REFINED_FOR_SWIFT;
 
 #pragma mark Initialization
++ (void)setLaunchOptions:(nullable NSDictionary*)newLaunchOptions; // meant for use by wrappers
 + (void)initialize:(nonnull NSString*)newAppId withLaunchOptions:(nullable NSDictionary*)launchOptions;
 + (void)setLaunchURLsInApp:(BOOL)launchInApp;
 + (void)setProvidesNotificationSettingsView:(BOOL)providesView;