The second Android 11 Developer Preview is now available, test it out and share your feedback.

com.google.android.material.expandable

Interfaces

ExpandableTransformationWidget An ExpandableWidget that visually transforms into another component when expanded. 
ExpandableWidget A widget that has expanded/collapsed state. 

Classes

ExpandableWidgetHelper ExpandableWidgetHelper is a helper class for writing custom ExpandableWidgets and ExpandableTransformationWidget