FlowController<T> class Null safety

A controller which exposes APIs to update and complete the current flow.

Implemented types
Implementers

Constructors

FlowController(T state)
A controller which exposes APIs to update and complete the current flow.

Properties

completed bool
Whether the current flow has been completed.
read-only
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
state ↔ T
The current state of the flow.
@protected, read / write

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the flow state changes.
@mustCallSuper, override
complete([T callback(T)?]) → void
complete can be called to complete the current flow. complete takes a closure which exposes the current flow state and is responsible for returning the new flow state. [...]
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener and removeListener will throw after the object is disposed). [...]
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that the object notifies.
@mustCallSuper, override
toString() String
A string representation of this object. [...]
inherited
update(T callback(T)) → void
update can be called to update the current flow state. update takes a closure which exposes the current flow state and is responsible for returning the new flow state. [...]

Operators

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