ProgressBuilder class
Base ProgressBuilder
ProgressBuilder(
builder: (context, state, error) {
// return the widget here (e.g. a button) or an error widget, or both
}
)
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ProgressBuilder
- Implementers
Constructors
- ProgressBuilder({required ProgressChildWidgetBuilder builder, required ProgressIndicatorWidgetBuilder progressBuilder, ProgressAction? action, ActionController? controller, ErrorCallback? onError, VoidCallback? onSuccess, VoidCallback? onDone, VoidCallback? onStart, Key? key})
-
Creates a ProgressBuilder.
const
Properties
- action → ProgressAction?
-
The action to be executed
final
- builder → ProgressChildWidgetBuilder
-
Builds both the initial state and once the action is done, both successfully and after an exception.
dart
final
- controller → ActionController?
-
The stream to listen for triggering action externally
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onDone → VoidCallback?
-
Always called (i.e. finally...)
final
- onError → ErrorCallback?
-
Called if exception is thrown
final
- onStart → VoidCallback?
-
Called when loading/progress indicator is displayed before the action
final
- onSuccess → VoidCallback?
-
Called when done and no exception was thrown
final
- progressBuilder → ProgressIndicatorWidgetBuilder
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _ProgressBuilderState -
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.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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 -
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.
inherited