changeTab method

void changeTab(
  1. int index
)

changeTab function

Implementation

void changeTab(int index) {
  if (index >= 0 && index < widget.items.length) {
    _updateIndex(index);
  } else {
    throw ArgumentError(
        'Index out of range. Must be between 0 and ${widget.items.length - 1}');
  }
}