goToPage method
Implementation
Future goToPage(int index) async {
print('Navigate Page ${index + 1}..');
if (mounted)
setState(() {
pageNumber = index;
});
for (var i = 0; i < _controllers.length; i++) {
if (i == index) {
_controllers[i].forward();
} else if (i < index) {
// _controllers[i].value = 0;
_controllers[i].reverse();
} else {
if (_controllers[i].status == AnimationStatus.reverse)
_controllers[i].value = 1;
}
}
}