androidx.constraintlayout.core.widgets

Kotlin |Java

Interfaces

Helper

interface to virtual objects

Classes

`Barrier`	A Barrier takes multiple widgets
`Chain`	Chain management and constraints creation
`ChainHead`	Class to represent a chain by its main elements.
`ConstraintAnchor`	Model a constraint relation.
`ConstraintWidget`	Implements a constraint Widget model supporting constraints relations between other widgets.
`ConstraintWidgetContainer`	A container of ConstraintWidget that can layout its children
`Flow`	Implements the Flow virtual layout.
`Guideline`	Guideline
`HelperWidget`	HelperWidget class
`Optimizer`	Implements direct resolution without using the solver
`Placeholder`	Simple VirtualLayout that center the first referenced widget onto itself.
`Rectangle`	Simple rect class
`VirtualLayout`	Base class for Virtual layouts
`WidgetContainer`	A container of ConstraintWidget

Enums

`ConstraintAnchor.Type`	Define the type of anchor
`ConstraintWidget.DimensionBehaviour`	Define how the widget will resize

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Last updated 2025-05-15 UTC.