- add parameter QObject* in initKeyEventManager.

mix/AppContext.cpp

@@ -52,9 +52,9 @@ dev::eth::Client* AppContext::getEthereumClient()
 	return m_webThree->ethereum();
 }
 
-void AppContext::initKeyEventManager()
+void AppContext::initKeyEventManager(QObject* _res)
 {
-	QObject* mainContent = m_applicationEngine->rootObjects().at(0)->findChild<QObject*>("mainContent", Qt::FindChildrenRecursively);
+	QObject* mainContent = _res->findChild<QObject*>("mainContent", Qt::FindChildrenRecursively);
 	if (mainContent)
 		QObject::connect(mainContent, SIGNAL(keyPressed(QVariant)), m_keyEventManager.get(), SLOT(keyPressed(QVariant)));
 	else

mix/AppContext.h

@@ -47,7 +47,7 @@ public:
 	static void setApplicationContext(QQmlApplicationEngine* _engine);
 	QQmlApplicationEngine* appEngine();
 	dev::eth::Client* getEthereumClient();
-	void initKeyEventManager();
+	void initKeyEventManager(QObject* _obj);
 	KeyEventManager* getKeyEventManager();
 	void displayMessageDialog(QString _title, QString _message);
 
@@ -59,7 +59,7 @@ private:
 
 public slots:
 	void quitApplication() { delete Instance; }
-	void resourceLoaded(QObject* _obj, QUrl _url) { Q_UNUSED(_obj); Q_UNUSED(_url); initKeyEventManager(); }
+	void resourceLoaded(QObject* _obj, QUrl _url) { Q_UNUSED(_url); initKeyEventManager(_obj); }
 };
 
 }