Dhiraj Sharma sharmadhiraj
sharmadhiraj
/ flutter_infinite_scroll_main_3.dart
Created
April 29, 2020 07:53
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| Widget getBody() { | |
| if (_photos.isEmpty) { | |
| if (_loading) { | |
| return Center( | |
| child: Padding( | |
| padding: const EdgeInsets.all(8), | |
| child: CircularProgressIndicator(), | |
| )); | |
| } else if (_error) { | |
| return Center( |
sharmadhiraj
/ flutter_infinite_scroll_main_2.dart
Created
April 29, 2020 07:52
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| Future<void> fetchPhotos() async { | |
| try { | |
| final response = await http.get( | |
| "https://jsonplaceholder.typicode.com/photos?_page=$_pageNumber"); | |
| List<Photo> fetchedPhotos = Photo.parseList(json.decode(response.body)); | |
| setState(() { | |
| _hasMore = fetchedPhotos.length == _defaultPhotosPerPageCount; | |
| _loading = false; | |
| _pageNumber = _pageNumber + 1; | |
| _photos.addAll(fetchedPhotos); |
sharmadhiraj
/ flutter_infinite_scroll_main_1.dart
Last active
April 29, 2020 07:52
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| class PhotosListScreen extends StatefulWidget { | |
| PhotosListScreen({Key key}) : super(key: key); | |
| @override | |
| _PhotosListScreenState createState() => _PhotosListScreenState(); | |
| } | |
| class _PhotosListScreenState extends State<PhotosListScreen> { | |
| bool _hasMore; | |
| int _pageNumber; | |
| bool _error; | |
| bool _loading; |
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| //........................................... | |
| body: FutureBuilder<String>( | |
| future: fetchJoke(), | |
| builder: (BuildContext context, AsyncSnapshot<String> snapshot) { | |
| switch (snapshot.connectionState) { | |
| case ConnectionState.none: | |
| case ConnectionState.active: | |
| case ConnectionState.waiting: | |
| return Center(child: CircularProgressIndicator()); | |
| case ConnectionState.done: |
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| //........................................... | |
| Future<String> fetchJoke() async { | |
| var url = "https://api.chucknorris.io/jokes/random?category=dev"; | |
| var response = await http.get(url); | |
| if (response.statusCode == 200) { | |
| var jsonResponse = convert.jsonDecode(response.body); | |
| return jsonResponse['value']; | |
| } else { | |
| return ("Unexpected error occurred."); | |
| } |
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| import 'package:flutter_web/material.dart'; | |
| void main() => runApp(App()); | |
| class App extends MaterialApp { | |
| @override | |
| String get title => "Chuck Norris Jokes"; | |
| @override | |
| ThemeData get theme => ThemeData(primarySwatch: Colors.blue); | |
| @override |
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| public abstract class BaseActivity extends AppCompatActivity { | |
| private AlertDialog dialog; | |
| @Override | |
| protected void onCreate(@Nullable Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| connectToFirebase(); | |
| } |
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| public class UnderMaintenance { | |
| public boolean is_under_maintenance; | |
| public String under_maintenance_message; | |
| public UnderMaintenance() { | |
| } | |
| } |
sharmadhiraj
/ vue_axios_example.html
Created
January 2, 2019 18:16
Vue.js | Making API calls using Axios
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| <!DOCTYPE html> | |
| <html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Vue.js | Making API calls using Axios</title> | |
| </head> | |
| <body style="text-align: center"> | |
| <div id="app" style="display: inline-block;margin-top: 100px"> | |
| <img v-bind:src="avatar" alt=""> | |
| <h1 style="margin-bottom: 0">{{name}}</h1> |
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| abstract class BaseStatefulWidget extends StatefulWidget { | |
| String getTitle(); | |
| Widget body(AsyncSnapshot snapshot); | |
| Future future(); | |
| @override | |
| State<StatefulWidget> createState() => BaseState(getTitle()); | |
| } |
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