increment method

void increment({
  1. VoidCallback? restartAnimation,
  2. VoidCallback? completeAnimation,
})

Implementation

void increment(
    {VoidCallback? restartAnimation, VoidCallback? completeAnimation}) {
  if (value == limitIndex) {
    completeAnimation?.call();
    onPageForward();
  } else {
    value++;
    restartAnimation?.call();
  }
}