layout library

Classes

SPAppBar: A platform-adaptive Sixplace application bar.
SPBreakpoints: Defines the minimum widths at which responsive tiers become active.
SPCol: A responsive column intended to be placed inside an SPRow.
SPColumnSpec: Describes how many of the twelve grid columns a widget occupies, as well as its offset and visual order.
SPContainer: Centers content inside a fixed-width or fluid responsive container.
SPContainerWidths: Maximum widths used by a fixed SPContainer.
SPMargin: Applies responsive margin around a widget based on the current screen width.
SPPadding: Applies responsive padding to a widget based on the current screen width.
SPResponsive: Provides convenient access to viewport-responsive information.
SPResponsiveSizedBox: A SizedBox whose width and height can change by viewport breakpoint.
SPResponsiveValue<T>: Stores one value that can change across responsive breakpoints.
SPRow: Places responsive SPCol widgets inside a twelve-column wrapping row.
SPScaffold: A highly flexible, responsive wrapper around Flutter's native Scaffold.
SPVisibility: Controls the visibility of a widget based on the current screen width.

SPResponsiveBuildContext on BuildContext: Convenient viewport-responsive access through context.sp.
SPResponsiveValueBuildContext on SPResponsiveValue<T>: Allows an SPResponsiveValue to resolve itself from a BuildContext.