Fixes #930

Author: FredericJacobs

Signal/src/AppDelegate.m

@@ -172,9 +172,9 @@ - (void)applicationWillResignActive:(UIApplication *)application {
     }];
 
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        [self protectScreen];
         if ([TSAccountManager isRegistered]) {
             dispatch_sync(dispatch_get_main_queue(), ^{
+                [self protectScreen];
                 [[[Environment getCurrent] signalsViewController] updateInboxCountLabel];
             });
             [TSSocketManager resignActivity];