goBack method

bool goBack()

Steps back one level in the NavStack history

Implementation

bool goBack() {
  if (history.length > 1) {
    String prevPath = history[history.length - 2];
    history..removeLast()..removeLast(); // remove last 2 history entries
    path = prevPath; // switch, adding a new history entry
    return true;
  }
  return false;
}