Prevent Xcode storyboard rendering process from crashing with custom IBDesignable Views

Author: jkasten2

iOS_SDK/OneSignal/OneSignal.m

@@ -1241,6 +1241,12 @@ @implementation UIApplication (OneSignal)
 + (void)load {
     [OneSignal onesignal_Log:ONE_S_LL_VERBOSE message:@"UIApplication(OneSignal) LOADED!"];
 
+    // Prevent Xcode storyboard rendering process from crashing with custom IBDesignable Views
+    // https://github.com/OneSignal/OneSignal-iOS-SDK/issues/160
+    NSProcessInfo *processInfo = [NSProcessInfo processInfo];
+    if ([[processInfo processName] isEqualToString:@"IBDesignablesAgentCocoaTouch"])
+        return;
+    
     if (SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(@"7.0"))
         return;