Makes its child draggable starting from long press.

Inheritance

Constructors

LongPressDraggable({Key key, @required Widget child, @required Widget feedback, T data, Widget childWhenDragging, Offset feedbackOffset: Offset.zero, DragAnchor dragAnchor: DragAnchor.child, int maxSimultaneousDrags, VoidCallback onDragStarted, DraggableCanceledCallback onDraggableCanceled })

Creates a widget that can be dragged starting from long press.

Properties

affinity → Axis

Controls how this widget competes with other gestures to initiate a drag.

read-only, inherited
child → Widget

The widget below this widget in the tree.

read-only, inherited
childWhenDragging → Widget

The widget to show instead of child when a drag is under way.

read-only, inherited
data → T

The data that will be dropped by this draggable.

read-only, inherited
dragAnchor → DragAnchor

Where this widget should be anchored during a drag.

read-only, inherited
feedback → Widget

The widget to show under the pointer when a drag is under way.

read-only, inherited
feedbackOffset → Offset

The feedbackOffset can be used to set the hit test target point for the purposes of finding a drag target. It is especially useful if the feedback is transformed compared to the child.

read-only, inherited
hashCode → int

Get a hash code for this object.

read-only, inherited
key → Key

Controls how one widget replaces another widget in the tree.

read-only, inherited
maxSimultaneousDrags → int

How many simultaneous drags to support.

read-only, inherited
onDraggableCanceled → DraggableCanceledCallback

Called when the draggable is dropped without being accepted by a DragTarget.

read-only, inherited
onDragStarted → VoidCallback

Called when the draggable starts being dragged.

read-only, inherited
runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

Operators

operator ==(other) → bool

The equality operator.

inherited

Methods

createRecognizer(GestureMultiDragStartCallback onStart) → DelayedMultiDragGestureRecognizer

Creates a gesture recognizer that recognizes the start of the drag.

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited
createState() → _DraggableState<T>

Creates the mutable state for this widget at a given location in the tree.

inherited
debugFillDescription(List<String> description) → void

Add additional information to the given description for use by toString.

inherited
noSuchMethod(Invocation invocation) → dynamic

Invoked when a non-existent method or property is accessed.

inherited
toString() → String

Returns a string representation of this object.

inherited
toStringShort() → String

A short, textual description of this widget.

inherited