SliverChildDelegateProxy class
- Inheritance
-
- Object
- SliverChildDelegate
- SliverChildDelegateProxy
Constructors
- SliverChildDelegateProxy(SliverChildDelegate delegate, {Widget? header, )
Properties
- delegate → SliverChildDelegate
-
final
- estimatedChildCount → int?
-
Returns an estimate of the number of children this delegate will build.
no setteroverride
- exCount ↔ int
-
getter/setter pair
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- header → Widget?
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
build(
BuildContext context, int index) → Widget? -
Returns the child with the given index.
override
-
debugFillDescription(
List< String> description) → void -
Add additional information to the given description for use by toString.
inherited
-
didFinishLayout(
int firstIndex, int lastIndex) → void -
Called at the end of layout to indicate that layout is now complete.
override
-
estimateMaxScrollOffset(
int firstIndex, int lastIndex, double leadingScrollOffset, double trailingScrollOffset) → double? -
Returns an estimate of the max scroll extent for all the children.
override
-
findIndexByKey(
Key key) → int? -
Find index of child element with associated key.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
shouldRebuild(
covariant SliverChildDelegate oldDelegate) → bool -
Called whenever a new instance of the child delegate class is
provided to the sliver.
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited