shihaohong

import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

void main() => runApp(MyApp());

Future<Post> fetchPost() async {
  final response = await http.get('https://jsonplaceholder.typicode.com/posts/1');

shihaohong

import 'dart:async';

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

Stream<bool> get isFABVisible => _isFABVisibleController.stream;
final _isFABVisibleController = StreamController<bool>.broadcast();

class MyApp extends StatelessWidget {

shihaohong

// Flutter code sample for

// This sample shows a `DropdownButton` with a customized icon, text style,
// and underline and whose value is one of "One", "Two", "Free", or "Four".
//
// ![A screenshot of the dropdown button](https://flutter.github.io/assets-for-api-docs/assets/material/dropdown_button.png)

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

shihaohong

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(

shihaohong

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    home: Scaffold(
      appBar: AppBar(
        title: Text('DropdownButton'),
      ),
      body: Padding(
        padding: EdgeInsets.all(16.0),

shihaohong

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Sample',
      home: Scaffold(

shihaohong

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Sample',
      home: Scaffold(

shihaohong

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  static const String _title = 'Flutter Code Sample';

  @override

shihaohong

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: MyHomePage(),
    );

shihaohong

import 'package:flutter/material.dart';

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

const List<String> items = <String>[
  'one',
  'two',
  'three',