FirebaseArrayDelegate Protocol Reference
| Conforms to | NSObject |
|---|---|
| Declared in | FirebaseArrayDelegate.h |
Overview
A protocol to allow instances of FirebaseArray to raise events through a delegate. Raises all Firebase events except FEventTypeValue.
– childAdded:atIndex:
Delegate method which is called whenever an object is added to a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildAdded event being raised.
- (void)childAdded:(id)object atIndex:(NSUInteger)indexParameters
object |
The object added to the FirebaseArray |
|---|---|
index |
The index the child was added at |
Discussion
Delegate method which is called whenever an object is added to a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildAdded event being raised.
Declared In
FirebaseArrayDelegate.h
– childChanged:atIndex:
Delegate method which is called whenever an object is chinged in a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildChanged event being raised.
- (void)childChanged:(id)object atIndex:(NSUInteger)indexParameters
object |
The object that changed in the FirebaseArray |
|---|---|
index |
The index the child was changed at |
Discussion
Delegate method which is called whenever an object is chinged in a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildChanged event being raised.
Declared In
FirebaseArrayDelegate.h
– childRemoved:atIndex:
Delegate method which is called whenever an object is removed from a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildRemoved event being raised.
- (void)childRemoved:(id)object atIndex:(NSUInteger)indexParameters
object |
The object removed from the FirebaseArray |
|---|---|
index |
The index the child was removed at |
Discussion
Delegate method which is called whenever an object is removed from a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildRemoved event being raised.
Declared In
FirebaseArrayDelegate.h
– childMoved:fromIndex:toIndex:
Delegate method which is called whenever an object is moved within a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildMoved event being raised.
- (void)childMoved:(id)object fromIndex:(NSUInteger)fromIndex toIndex:(NSUInteger)toIndexParameters
object |
The object that has moved locations in the FirebaseArray |
|---|---|
fromIndex |
The index the child is being moved from |
toIndex |
The index the child is being moved to |
Discussion
Delegate method which is called whenever an object is moved within a FirebaseArray. On a FirebaseArray synchronized to a Firebase reference, this corresponds to an FEventTypeChildMoved event being raised.
Declared In
FirebaseArrayDelegate.h