How can I update the view without freezing?
Hi all
I am trying to load more items in a list, as does the Twitter app
When I want to load more items, I have done the following:
- I shows Loader
- I do the networking activity
- I'm updating the view
The problem is that the application UI freezes during the stage of "update view" (for 2 or 3 seconds).
Because I'm not in the main thead element I update the gwendoline in the following way:
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
synchronized (UiApplication.getEventLock()) {
while (MyList.hasMoreElements()) {
...
ScrollableList.add(item);
...
}
hideLoader();
}
}
});
Is it possible to update the view without fix it the interface?
Thanks to you all.
Welcome to the support forum.
invokelater enough, you don't have to synchronize the lock of the event.
I don't know what is ScrollableList, but if you want to use a ListField, for example, you can add all the entries at a time.
Even in other cases, as a normal Manager, addAll could be much better performance.
Tags: BlackBerry Developers
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