我有一个这样的计数变量
int _count = 1;
int get count => _count;
void setCount(bool isIncrement) {
if (isIncrement) {
_count = checkCount(_count + 1);
} else {
_count = checkCount(_count - 1);
print("decrement" + _count.toString());
}
notifyListeners();
}
int checkCount(int count) {
if (count < 0) {
return 0;
} else if (count > 10) {
return 10;
} else {
return count;
}
}
}
我正在使用提供商在食品页面上使用它。但是当我在页面之间切换时,计数变量会从它停止的地方继续。我希望它在每次页面更改时以 1 重新启动。
class Hamburger extends StatefulWidget {
const Hamburger({super.key, required Count count});
@override
State<Hamburger> createState() => _HamburgerState();
}
class _HamburgerState extends State<Hamburger> {
@override
Widget build(BuildContext context) {
Color coloricon = Provider.of<iconcolor>(context).coloricon;
int count = Provider.of<Count>(context).count;
return Scaffold(