Invoking in QML image viewer

Hi, I searched the forum and couldn't really find solutions.

I am trying to invoke the Viewer to display a picture but does not work. Here is the code:

Button {
            text: "Invoke"
            onClicked: {
                invoke.trigger("bb.action.VIEW");
            }
            attachedObjects: [
                Invocation {
                    id: invoke
                    query: InvokeQuery {
                        invokeTargetId: "sys.pictures.card.previewer"
                        uri: "asset:///images/picture.png"
                        mimeType: "image/png"
                    }
                }
            ]
        }

Someone at - it a working example?

the URI must be in format file://...

I do all my calls to C++

Here's what I do to give you an idea:

void ApplicationUI::invokeBoundPictureViewer(const QString& uri) {
    InvokeRequest cardRequest;
    // PictureViewe needs file:// as prefix
    // FilePicker uses /account....... etc
    QString s;
    if (uri.startsWith('/')) {
        cardRequest.setUri("file://" + uri);
    } else if (uri.startsWith("asset://")) {
        s = "file://";
        s += QDir::currentPath();
        s += "/app/native/assets";
        s += uri.mid(8);
        cardRequest.setUri(s);
    } else {
        cardRequest.setUri(uri);
    }
    cardRequest.setAction("bb.action.VIEW");
    cardRequest.setTarget("sys.pictures.card.previewer");
    mInvokeManager->invoke(cardRequest);
}

Tags: BlackBerry Developers

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