getlocalview

get_local_view.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get/get_state_manager/get_state_manager.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Home(),
    );
  }
}

class Home extends GetLocalView<HomeController> {
  Home({
    Key? key,
  }) : super(key: key);

  @override
  Widget build(context, controller) {
    return Scaffold(
      appBar: AppBar(
        title: Text('test'),
      ),
      body: Obx(
        () {
          return Second('${controller.counter}');
        },
      ),
      floatingActionButton: FloatingActionButton(
        // onPressed: () => setState(() {}),
        onPressed: () => controller.counter.value++,
      ),
    );
  }

  @override
  HomeController createController() => HomeController();
}

class Second extends GetLocalView<SecondController> {
  final String label;
  Second(
    this.label, {
    Key? key,
  }) : super(key: key);

  @override
  Widget build(context, controller) {
    return Text(
      'el counter es $label y la instancia ${controller.hashCode.toString()}',
    );
  }

  @override
  SecondController createController() => SecondController();
}

class HomeController extends GetxController {
  final counter = 1.obs;
  @override
  void onInit() {
    print('init');
    super.onInit();
  }
}

class SecondController extends GetxController {
  @override
  void onInit() {
    print('init');
    super.onInit();
  }

  @override
  void onClose() {
    print('onClose');
    super.onClose();
  }
}