Get the thumbnail of the file for ListView

Is there a way to get the thumbnail of an image? I have a listview showing the list of selected images and I want to display the thumbnail and the name of the file. Here's what I have so far

I let the user select a picture through the file picker that returns only the path of file then I go this path in a method to add it to the datamodel.

CPP file: I spend in the path of the image file that has been selected

            QVariantMap itemMap;
        QFileInfo fileInfo = QFileInfo(filePath);
        itemMap["name"] = QVariant(fileInfo.fileName());
        itemMap["image"] = QVariant(fileInfo.filePath());

        if (indexOf(itemMap) == -1)
        {
               insert(0, itemMap);
         }

ListItem QML

StandardListItem
{
    id:pictureItem
    title: ListItemData.name
    imageSpaceReserved: true
    imagesource: ListItemData.image

}

I'm pretty new to this so I have a feeling strong on this issue, I'm going the wrong way, but I noticed that I get an error message saying: he can't access element of . My thought was that the image space would diminish the image to fit the placeholder

For the error do you put the permission to access_shared?

I suggest that you should be creating thumbnails of images, save them in the folder of application data and update the image of ListItem.

If you experience a delay when filling ListView, then you must think of preloading images and caching.

Tags: BlackBerry Developers

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