Behaviour class abstract
Base class for behaviours provided to AnimatedBackground
Implementing this class allows to render new types of backgrounds.
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- isInitialized → bool
-
Gets the initialization state of this behaviour
no setter
- renderObject ↔ RenderAnimatedBackground?
-
The render object of the AnimatedBackground this behaviour is provided to.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- size → Size?
-
The size of the render object of the AnimatedBackground this behaviour is provided to.
no setter
Methods
-
builder(
BuildContext context, BoxConstraints constraints, Widget child) → Widget - Called when the layout needs to be rebuilt.
-
init(
) → void - Called when this behaviour should be initialized
-
initFrom(
Behaviour oldBehaviour) → void - Called when this behaviour should be initialized from an old behaviour.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
paint(
PaintingContext context, Offset offset) → void - Called each time the AnimatedBackground needs to repaint.
-
tick(
double delta, Duration elapsed) → bool - Called each time there is an update from the ticker on the AnimatedBackground
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited