offset property
double
get
offset
Implementation
double get offset => _animationController!.value - _index.toDouble();
set
offset
(double value)
Implementation
set offset(double value) {
assert(value >= -1.0 && value <= 1.0);
assert(!indexIsChanging);
if (value == offset) {
return;
}
_animationController!.value = value + _index.toDouble();
}