Merge pull request #43 from sendbird/feature/jaesung/app-terminate

End ongoing calls when application will terminate

Author: Jaesung

QuickStart/AppDelegate.swift

@@ -41,6 +41,29 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
         return true
     }
+    
+    func applicationWillTerminate(_ application: UIApplication) {
+        // This method will be called when the app is forcefully terminated.
+        // End all ongoing calls in this method.
+        let callManager = CXCallManager.shared
+        let ongoingCalls = callManager.currentCalls.compactMap { SendBirdCall.getCall(forUUID: $0.uuid) }
+        
+        ongoingCalls.forEach { directCall in
+            // Sendbird Calls: End call
+            directCall.end()
+            
+            // CallKit: Request End transaction
+            callManager.endCXCall(directCall)
+            
+            // CallKit: Report End if uuid is valid
+            if let uuid = directCall.callUUID {
+                callManager.endCall(for: uuid, endedAt: Date(), reason: .none)
+            }
+        }
+        // However, because iOS gives a limited time to perform remaining tasks,
+        // There might be some calls failed to be ended
+        // In this case, I recommend that you register local notification to notify the unterminated calls.
+    }
 }
 
 extension AppDelegate: PKPushRegistryDelegate {