add
Adds an item to the observable list. Observers of the list will be notified of the change.
Return
true (as specified by MutableList.add)
Parameters
item
The item to be added to the list.
Adds an item at the specified index. Observers of the list will be notified of the change.
Parameters
index
The index at which the specified element is to be inserted
item
The item to be added to the list.