FeatureDiscovery class Null safety



FeatureDiscovery({required Widget child, bool recordStepsInSharedPreferences = true, String? sharedPreferencesPrefix, Key? key})
Instantiates a new FeatureDiscovery. [...]
FeatureDiscovery.withProvider({required Widget child, required PersistenceProvider persistenceProvider, Key? key})
Instantiates a new FeatureDiscovery and stores completion of steps through the provided PersistenceProvider.


child Widget
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
persistenceProvider PersistenceProvider
The PersistenceProvider implementation to use for persisting steps that have been previously completed. [...]
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited


build(BuildContext context) Widget
Describes the part of the user interface represented by this widget. [...]
createElement() StatelessElement
Creates a StatelessElement to manage this widget's location in the tree. [...]
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. [...]
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep. [...]
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object. [...]
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants. [...]
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object. [...]
toStringShort() String
A short, textual description of this widget.


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

Static Methods

clearPreferences(BuildContext context, Iterable<String> steps) Future<void>
completeCurrentStep(BuildContext context) Future<void>
This will force the completion of the current step and continue onto the next step after the completion animation of the current overlay. [...]
currentFeatureIdOf(BuildContext context) String?
This returns the feature id of the current feature discovery step, i.e. of the DescribedFeatureOverlay that is currently supposed to be shown, or null. [...]
discoverFeatures(BuildContext context, Iterable<String> steps) → void
Steps are the featureIds of the overlays. Though they can be placed in any Iterable, it is recommended to pass them as a Set because this ensures that every step is only shown once.
dismissAll(BuildContext context) → void
A method to dismiss all steps. [...]
hasPreviouslyCompleted(BuildContext context, String featureId) Future<bool>
This will return true iff this featureId has been recorded as completed in the Shared Preferences.