小编Koz*_*ubi的帖子

我尝试检查 GetX 包。我一直在更新 String.obs

这是示例代码：

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

class MyController extends GetxController {
  var name = "JOHN".obs;
  var age = 33.obs;

  incrementAge() {
    age++;
  }

  changeName(String s) {
    name = RxString(s);
  }
}

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  TextEditingController textEditingController …