isekai_wiki_app/lib/components/state_test.dart

import 'package:flutter/cupertino.dart';
import 'package:get/get.dart';
import 'package:isekai_wiki/reactive/reactive.dart';

class StateTestController extends GetxController {
  var count = 0.obs;

  @override
  void onInit() {
    debugPrint("StateTestController onInit");
    super.onInit();
  }

  void updateState({required int count}) {
    debugPrint("StateTestController updateState");
    this.count.value = count;
  }
}

class StateTest extends StatefulWidget {
  final VoidCallback? onPressed;
  final int count;

  const StateTest({super.key, this.onPressed, required this.count});

  @override
  State<StatefulWidget> createState() {
    return StateTestState();
  }
}

class StateTestState extends ReactiveState<StateTest> {
  StateTestController c = StateTestController();

  @override
  void initState() {
    super.initState();
    Get.put(c);
  }

  @override
  void receiveProps() {
    c.updateState(count: widget.count);
  }

  @override
  Widget render(BuildContext context) {
    return Column(children: [
      Center(
        child: Obx(
          () => Text(c.count.value.toString()),
        ),
      ),
      CupertinoButton.filled(
          child: const Text("增加"),
          onPressed: () {
            widget.onPressed?.call();
          }),
    ]);
  }
}