useVerticalTransition property
bool
get
useVerticalTransition
Returns true if the parent widget spans the entire width of the screen.
returns false if renderBox is null.
Implementation
bool get useVerticalTransition {
// Return null if [renderBox] is null.
if (renderBox == null) return false;
final screenWidth = MediaQuery.of(transitionContext).size.width;
return renderBoxSize!.width == screenWidth && renderBoxOffset!.dx == 0.0;
}