PersistedAppState class

Add to your widget hierarchy to add app-wide state persistence.

Inheritance

Constructors

PersistedAppState({Key key, PersistedStateStorage storage: const JsonFileStorage(), Duration saveTimeout: const Duration(milliseconds: 500), @required Widget child})
const

Properties

child Widget
Child Widget
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
saveTimeout Duration
When this timeout period expires the changed state is saved. This stops calling save on many minor changes.
final
storage PersistedStateStorage
Storage mechanism used to load/save app state.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _PersistedAppState
Creates the mutable state for this widget at a given location in the tree. [...]
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toDiagnosticsNode({String name, DiagnosticsTreeStyle style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.info}) String
Returns a string representation of this object.
inherited
toStringDeep({String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants. [...]
inherited
toStringShallow({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object. [...]
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

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

Static Methods

of(BuildContext context) PersistedData
Used to fetch persisted data anywhere across the app. Results in null if data is not yet loaded.
snapshot(BuildContext context) AsyncSnapshot<PersistedData>
Used to fetch the AsyncSnapshot of the persisted data. This allows you to monitor the progress of the loading data.