WebView: Content is not being updated after changing the URL

I wrote a code that updates the Blackberry main.qml WebView URL after that some process is running. QT/C++ code that updates WebView URL is given below

QmlDocument *qml = QmlDocument::create("asset:///main.qml").parent(this);
qml->setContextProperty("app",this);
AbstractPane *root = qml->createRootObject();
responseWebPage = root->findChild("responseWebPage");
responseWebPage->setUrl(QUrl(homePath + "/Appname/updatedhtml.html"));

I even tried to signals and SLOTs and yet it did not work

QmlDocument *qml = QmlDocument::create("asset:///main.qml").parent(this);
qml->setContextProperty("app",this);
AbstractPane *root = qml->createRootObject();
responseWebPage = root->findChild("responseWebPage");
responseWebPage->setUrl(QUrl(homePath + "/Appname/updatedhtml.html"));
bool response = QObject::connect(responseWebPage, SIGNAL(urlChanged(QUrl)), responseWebPage, SLOT(reload()));
Q_UNUSED(response);
Q_ASSERT(response);

WebView main.qml article is

WebView {
   id: responseWebPage
   objectName: "responseWebPage"
   accessibility.name: "responseWebPage"
   url: "local:///assets/initialcontent.html"
   onUrlChanged: {
      console.debug("URL is changed. New URL is " + responseWebPage.url);
   }
}

I am able to see the URL name updated in the newspapers printed by WebView debug console. I also checked that the file updatedhtml.html exists. (Checked through the system target file browser). Yet once the URL is set, I see no updatedhtml.html content displayed in device or Simulator. Is there any step I'm missing? Any help is greatly appreciated

Ahh, I see what you're missing today. You have created a new Page, it adds the WebView and set its URL, but you have actually posted this page. What kind of navigation you are trying to use here? If you want to display a new page and allow the user to return to the previous, look here: https://developer.blackberry.com/native/documentation/ui/navigation/multiple_screens_stack.html

If you want to replace the current page with a new one, you must call setScene. Alternatively, you can access the page currently displayed when it exists and update the WebView on it.

Whatever approach you take, I recommend this reading for an overview on how the user of Cascades interface fit: https://developer.blackberry.com/native/documentation/dev/fundamentals/index.html

Tags: BlackBerry Developers

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