Merge pull request #539 from Esri/ldanzinger/auth_view_destruction

canceling challenge if there is one present on destruction

Author: ldanzinger

uitools/cpp/Esri/ArcGISRuntime/Toolkit/AuthenticationController.cpp

@@ -81,6 +81,10 @@ AuthenticationController::AuthenticationController(QObject* parent) :
  */
 AuthenticationController::~AuthenticationController()
 {
+  // cancel the current challenge on destruction to ensure new challenges can be issued
+  // for future requests (e.g. if AuthenticationView is declared within a StackView)
+  if (m_currentChallenge)
+    m_currentChallenge->cancel();
 }
 
 /*!

uitools/import/Esri/ArcGISRuntime/Toolkit/Controller/AuthenticationController.qml

@@ -163,4 +163,11 @@ QtObject {
             }
         }
     }
+
+    // cancel the current challenge on destruction to ensure new challenges can be issued
+    // for future requests (e.g. if AuthenticationView is declared within a StackView)
+    Component.onDestruction: {
+        if (internal.currentChallenge)
+            internal.currentChallenge.cancel();
+    }
 }