DiffDelegate class abstract interface

consider implementing IndexableItemDiffDelegate instead in order to be able to call DiffResult::getUpdatesWithData

Implementers

Constructors

DiffDelegate()

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

areContentsTheSame(int oldItemPosition, int newItemPosition) bool
Called by the DiffUtil when it wants to check whether two items have the same data. DiffUtil uses this information to detect if the contents of an item has changed.
areItemsTheSame(int oldItemPosition, int newItemPosition) bool
Called by the DiffUtil to decide whether two object represent the same Item.
getChangePayload(int oldItemPosition, int newItemPosition) Object?
When areItemsTheSame(int, int) returns true for two items and areContentsTheSame(int, int) returns false for them, DiffUtil calls this method to get a payload about the change.
getNewListSize() int
Returns the size of the new list.
getOldListSize() int
Returns the size of the old list.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited