isShowing property
true from open() until the spring fully returns to 0: while true, the overlay must stay in the tree.
Implementation
bool get isShowing => _target >= 1 || _value > _handoffEpsilon;true from open() until the spring fully returns to 0: while true, the overlay must stay in the tree.
bool get isShowing => _target >= 1 || _value > _handoffEpsilon;