nt_repository 2.0.21

nt_repository: ^2.0.21 copied to clipboard

example/lib/main.dart

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

import 'package:result_dart/result_dart.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  @override
  void initState() {
    WidgetsBinding.instance.addPostFrameCallback((_) {});
    super.initState();
  }

  Future<void> _incrementCounter() async {
    setState(() async {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: FutureBuilder<Result<dynamic, String>>(
          future: NTRepository.getCity("sp"),
          builder: (context, snapshot) {
            if (snapshot.connectionState == ConnectionState.waiting) {
              return const CircularProgressIndicator(); // Exibe um indicador de carregamento
            } else if (snapshot.hasError) {
              return Text("Erro: ${snapshot.error}");
            } else if (!snapshot.hasData) {
              return const Text("Nenhum dado disponível");
            }

            return snapshot.data!.fold(
              (success) => Text(success.toString()),
              (failure) => Text(failure.toString()),
            );
          },
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}