Unable to restore the ImageView ListComponent - image of the data folder

I downloaded an image in the folder data and want to show it in the listView.

In Listcomponent, I use an ImageView

"If I put its imagesource:".. /.. /.. "/ data/files/images/123.png".

The image appears correctly.

But if I try to put the same path of C++ code in the GroupDataModel, the image doesn't make.

Hi friends,

I found the solution. I hope that is useful you.

. HPP

 

#include 
#include 
#include 

using namespace bb::cascades;

class App: public QObject {
Q_OBJECT

public:
    App();

public slots:
    void onSelectionChanged(const QVariantList indexPath, bool selected);

private:
    ListView *listView;

};

. CPP

#include "app.hpp"

#include 
#include 

#include 

#include 
#include 
#include 
#include 
#include 

using namespace bb::cascades;

App::App() {
    QmlDocument *qml = QmlDocument::create("main.qml");
    AbstractPane *root = qml->createRootNode();

    GroupDataModel *model = new GroupDataModel(
            QStringList() << "firstname" << "surname" << "imagepath");
    model->setGrouping(ItemGrouping::ByFirstChar);

    listView = root->findChild("listView");

    QVariantMap person;
    person["firstname"] = "John";
    person["surname"] = "Mark";
    person["imagepath"] = "I will set on click.";
    model->insert(person);
    person["firstname"] = "Mark";
    person["surname"] = "Russie";
    person["imagepath"] = "asset:///icon.png";
    model->insert(person);

    listView->setDataModel(model);

    QObject::connect(listView,
            SIGNAL(selectionChanged(const QVariantList, bool)), this,
            SLOT(onSelectionChanged(const QVariantList, bool)));

    Application::setScene(root);
}

void App::onSelectionChanged(const QVariantList indexPath, bool selected) {    if (selected) {        if (sender()) {            GroupDataModel *stampModel =                    (GroupDataModel *) listView->dataModel();            QVariantMap map = stampModel->data(indexPath).toMap();            //map["imagepath"] = "asset:///icon.png";            map["imagepath"] = "../../../data/icon.png";            stampModel->updateItem(indexPath, map);            fprintf(stderr, "\nSelection Called");        }    }}

. QML

 

import bb.cascades 1.0

Page {
    content: Container {
        ListView {
            objectName: "listView"
            listItemComponents: [
                ListItemComponent {
                    type: "header"
                    HeaderListItem {
                        title: ListItemData
                    }
                },
                ListItemComponent {
                    type: "item"
                    StandardListItem {
                        id: root
                        title: ListItemData.firstname
                        description: ListItemData.surname
                        imageSource: ListItemData.imagepath
                    }
                }
            ]
        }
    }
}

Currently, I put a static image and a rest black. It will have the value during the click on list black image (dynamically).

Tags: BlackBerry Developers

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