android.support.constraint
Classes
| Barrier | Added in 1.1 A Barrier references multiple widgets as input, and creates a virtual guideline based on the most extreme widget on the specified side. |
| ConstraintLayout | A ConstraintLayout is a android.view.ViewGroup which allows you to position and size widgets in a flexible way. |
| ConstraintLayout.LayoutParams | This class contains the different attributes specifying how a view want to be laid out inside a ConstraintLayout. |
| ConstraintProperties | Added in 2.0 ConstraintProperties provides an easy to use api to update the layout params of |
| ConstraintsChangedListener | Added in 2.0 Callbacks on state change |
| ConstraintSet | This class allows you to define programmatically a set of constraints to be used with ConstraintLayout. |
| Group | Added in 1.1 This class controls the visibility of a set of referenced widgets. |
| Guideline | Utility class representing a Guideline helper object for ConstraintLayout. |
| Placeholder | Added in 1.1 A |