avoid calling [UIApplication sharedApplication] in app extensions (#1503)

1 files changed, 6 insertions, 1 deletions

diff --git a/Firebase/Messaging/FIRMessagingContextManagerService.m b/Firebase/Messaging/FIRMessagingContextManagerService.m
index f79e79c..b4aac8b 100644
--- a/Firebase/Messaging/FIRMessagingContextManagerService.m
+++ b/Firebase/Messaging/FIRMessagingContextManagerService.m
@@ -20,6 +20,7 @@
 
 #import "FIRMessagingDefines.h"
 #import "FIRMessagingLogger.h"
+#import "FIRMessagingUtilities.h"
 
 #define kFIRMessagingContextManagerPrefixKey @"google.c.cm."
 #define kFIRMessagingContextManagerNotificationKeyPrefix @"gcm.notification."
@@ -174,7 +175,11 @@ typedef NS_ENUM(NSUInteger, FIRMessagingContextManagerMessageType) {
   }
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
-  [[UIApplication sharedApplication] scheduleLocalNotification:notification];
+  UIApplication *application = FIRMessagingUIApplication();
+  if (!application) {
+    return;
+  }
+  [application scheduleLocalNotification:notification];
 #pragma clang diagnostic pop
 }