fix: lifecycle state machine not updated on dedicated queue when restarting

When restarting the manager, its `transitionToState:` is called on the
main queue. To keep consistency, the state machine is fixed to
run on its lifecycleQueue.

1 files changed, 9 insertions, 2 deletions

diff --git a/SmartDeviceLink/SDLLifecycleManager.m b/SmartDeviceLink/SDLLifecycleManager.m
index 2599d97ef..4f078b533 100644
--- a/SmartDeviceLink/SDLLifecycleManager.m
+++ b/SmartDeviceLink/SDLLifecycleManager.m
@@ -245,10 +245,17 @@ SDLLifecycleState *const SDLLifecycleStateReady = @"Ready";
     // Apple Bug ID #30059457
     __weak typeof(self) weakSelf = self;
     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
-        [weakSelf.delegate managerDidDisconnect];
+        __strong typeof(weakSelf) strongSelf = weakSelf;
+        if (!strongSelf) {
+            return;
+        }
+
+        [strongSelf.delegate managerDidDisconnect];
 
         if (shouldRestart) {
-            [weakSelf.lifecycleStateMachine transitionToState:SDLLifecycleStateStarted];
+            dispatch_async(strongSelf.lifecycleQueue, ^{
+                [strongSelf.lifecycleStateMachine transitionToState:SDLLifecycleStateStarted];
+            });
         }
     });
 }