ListView display data without ListItemComponent
Hello
It's one of the strangest problems ListView, I've had over the last months (I used a lot for my app)!
Thus, the heart of the problem is when I put the dataModel for a ListView (from Qt), I see the data values for one of the keys, even if I did not use this key in listItemComponent to display the results
If all goes well, the following sequence of sense:
(1) application of the data (in JSON) from a URL
(2) convert the received data toList()
(3) Insert the list() to a GroupDataModel
(4) use "findChild" to find the listView
(5) once the ListView is found
(6) setDataModel for the listView to list()
(7) now I have nothing in the listItemComponent, but I still have the results of one of the keys to the list()
the problem is 7) and so he keeps me to display the data values for other keys
make sense?
Please let me know if I'm not clear in any stage, I can try to explain further.
Help much appreciated!
Thank you!
This code snippet shows ListItemComponents of type "header" for the elements of the dataModel at the level of 'root' and 'article' for the following type ListItemComponents.
In GroupDataModel it works differently. It includes elements based on its configuration (parameters collection).
What type of model you are using?
itemType() function is called for each row to determine how ListItemComponent should be used for this row.
If it is not implemented, implementation of the DataModel of this function is used instead.
As test, try:
function itemType(data, indexPath) { return 'item' }
It displays only the ListItemComponents of type 'section '.
p.s. for GroupDataModel you need to create the header & point ListItemComponents and set up the model. ItemType() statement is not necessary, the model already implements.
Tags: BlackBerry Developers
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