DiffObservableList doesn't work well with the items that extend BaseObservable

The case is the following:

• my DiffObservableList contains item view models that extend BaseObservable so that the items can be updated without updating the list (which is much heavier than finding an appropriate item in the DiffObservableList and updating a text on it)
• everything works fine, assuming that I’ll not call the DiffObservableList.update method with unmodified items. The diffUtil will not find any changes but the DiffObservableList will update the internal list. The new items are not bound to the view so calling notifyPropertyChanged doesn’t have any effect.

I think the solution is to get rid of list update for items that did not change.

[evant]

So I’m not really convinced that mixing mutable and immutable changes like this is a good idea. Either you should go down the mutable route and use ObservableArrayList and change things to match your data. Or you go the immutable route and submit a new list each time.

[thunderdogge]

Recently faced the same issue. My workaround is to get hash code from list with new items and compare it with hash code from old item’s list. If hash codes are not equal, DiffObservableList should be updated.