refactor: examples/alice_dio (#196)

examples/alice_dio/analysis_options.yaml

@@ -1,16 +1,12 @@
-1include: package:very_good_analysis/analysis_options.yaml
+analyzer:
+  exclude:
+    - "lib/generated_plugin_registrant.dart"
+    - "**.g.dart"
+    - "**.mocks.dart"
+    - "**.gen.dart"
+
+include: package:flutter_lints/flutter.yaml
 
 linter:
   rules:
-    public_member_api_docs: false
-    flutter_style_todos: false
-    avoid_final_parameters: false
-    sort_constructors_first: false
-    avoid_function_literals_in_foreach_calls: false
-    avoid_positional_boolean_parameters: false
-    use_if_null_to_convert_nulls_to_bools: false
-    use_build_context_synchronously: false
-    prefer_constructors_over_static_methods: false
-    use_setters_to_change_properties: false
-    avoid_print: false
-    sort_pub_dependencies: false
+    #library_annotations: false

examples/alice_dio/lib/main.dart

@@ -5,40 +5,31 @@ import 'package:alice_dio/alice_dio_adapter.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
+  const MyApp({super.key});
+
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> {
-  late Alice _alice;
-  late Dio _dio;
-  late AliceDioAdapter _aliceDioAdapter;
-
-  @override
-  void initState() {
-    _alice = Alice(
-      showNotification: true,
-      showInspectorOnShake: true,
-      maxCallsCount: 1000,
-    );
-    _aliceDioAdapter = AliceDioAdapter();
-    _dio = Dio(BaseOptions(
-      followRedirects: false,
-    ));
+  late final AliceDioAdapter _aliceDioAdapter = AliceDioAdapter();
 
-    _dio.interceptors.add(_aliceDioAdapter);
-    _alice.addAdapter(_aliceDioAdapter);
+  late final Alice _alice = Alice(
+    showNotification: true,
+    showInspectorOnShake: true,
+    maxCallsCount: 1000,
+  )..addAdapter(_aliceDioAdapter);
 
-    super.initState();
-  }
+  late final Dio _dio = Dio(BaseOptions(followRedirects: false))
+    ..interceptors.add(_aliceDioAdapter);
 
   @override
   Widget build(BuildContext context) {
-
     return MaterialApp(
       navigatorKey: _alice.getNavigatorKey(),
       debugShowCheckedModeBanner: false,
@@ -47,28 +38,31 @@ class _MyAppState extends State<MyApp> {
           title: const Text('Alice + Dio - Example'),
         ),
         body: Container(
-          padding: EdgeInsets.all(16),
+          padding: const EdgeInsets.all(16),
           child: ListView(
             children: [
               const SizedBox(height: 8),
-              Text(
-                  'Welcome to example of Alice + Dio Example. Click buttons below to generate sample data.'),
+              const Text(
+                style: TextStyle(fontSize: 14),
+                'Welcome to example of Alice + Dio Example. '
+                'Click buttons below to generate sample data.',
+              ),
               ElevatedButton(
-                child: Text(
+                onPressed: _runDioRequests,
+                child: const Text(
                   'Run Dio HTTP Requests',
                 ),
-                onPressed: _runDioRequests,
               ),
-
-              Text(
+              const SizedBox(height: 8),
+              const Text(
+                  style: TextStyle(fontSize: 14),
                   'After clicking on buttons above, you should receive notification.'
                   ' Click on it to show inspector. You can also shake your device or click button below.'),
               ElevatedButton(
-                child: Text(
+                onPressed: _runHttpInspector,
+                child: const Text(
                   'Run HTTP Inspector',
                 ),
-                onPressed: _runHttpInspector,
-
               )
             ],
           ),
@@ -77,57 +71,66 @@ class _MyAppState extends State<MyApp> {
     );
   }
 
-
   void _runDioRequests() async {
-    Map<String, dynamic> body = <String, dynamic>{
+    final Map<String, dynamic> body = {
       'title': 'foo',
       'body': 'bar',
       'userId': '1'
     };
     _dio.get<void>(
-        'https://httpbin.org/redirect-to?url=https%3A%2F%2Fhttpbin.org');
+      'https://httpbin.org/redirect-to?url=https%3A%2F%2Fhttpbin.org',
+    );
     _dio.delete<void>('https://httpbin.org/status/500');
     _dio.delete<void>('https://httpbin.org/status/400');
     _dio.delete<void>('https://httpbin.org/status/300');
     _dio.delete<void>('https://httpbin.org/status/200');
     _dio.delete<void>('https://httpbin.org/status/100');
     _dio.post<void>('https://jsonplaceholder.typicode.com/posts', data: body);
-    _dio.get<void>('https://jsonplaceholder.typicode.com/posts',
-        queryParameters: <String, dynamic>{'test': 1});
+    _dio.get<void>(
+      'https://jsonplaceholder.typicode.com/posts',
+      queryParameters: {'test': 1},
+    );
     _dio.put<void>('https://jsonplaceholder.typicode.com/posts/1', data: body);
     _dio.put<void>('https://jsonplaceholder.typicode.com/posts/1', data: body);
     _dio.delete<void>('https://jsonplaceholder.typicode.com/posts/1');
     _dio.get<void>('http://jsonplaceholder.typicode.com/test/test');
 
     _dio.get<void>('https://jsonplaceholder.typicode.com/photos');
     _dio.get<void>(
-        'https://icons.iconarchive.com/icons/paomedia/small-n-flat/256/sign-info-icon.png');
+      'https://icons.iconarchive.com/icons/paomedia/small-n-flat/256/sign-info-icon.png',
+    );
     _dio.get<void>(
-        'https://images.unsplash.com/photo-1542736705-53f0131d1e98?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&w=1000&q=80');
+      'https://images.unsplash.com/photo-1542736705-53f0131d1e98?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&w=1000&q=80',
+    );
     _dio.get<void>(
-        'https://findicons.com/files/icons/1322/world_of_aqua_5/128/bluetooth.png');
+      'https://findicons.com/files/icons/1322/world_of_aqua_5/128/bluetooth.png',
+    );
     _dio.get<void>(
-        'https://upload.wikimedia.org/wikipedia/commons/4/4e/Pleiades_large.jpg');
+      'https://upload.wikimedia.org/wikipedia/commons/4/4e/Pleiades_large.jpg',
+    );
     _dio.get<void>('http://techslides.com/demos/sample-videos/small.mp4');
 
     _dio.get<void>('https://www.cse.wustl.edu/~jain/cis677-97/ftp/e_3dlc2.pdf');
 
-    final directory = await getApplicationDocumentsDirectory();
-    File file = File('${directory.path}/test.txt');
-    file.create();
-    file.writeAsStringSync('123456789');
+    final Directory directory = await getApplicationDocumentsDirectory();
+    final File file = File(p.join(directory.path, 'test.txt'));
+    if (!await file.exists()) {
+      await file.create();
+    }
+    await file.writeAsString('123456789');
 
-    String fileName = file.path.split('/').last;
-    FormData formData = FormData.fromMap(<String, dynamic>{
+    final String fileName = file.path.split('/').last;
+    final FormData formData = FormData.fromMap({
       'file': await MultipartFile.fromFile(file.path, filename: fileName),
     });
-    _dio.post<void>('https://jsonplaceholder.typicode.com/photos',
-        data: formData);
+    _dio.post<void>(
+      'https://jsonplaceholder.typicode.com/photos',
+      data: formData,
+    );
 
     _dio.get<void>('http://dummy.restapiexample.com/api/v1/employees');
   }
 
-
   void _runHttpInspector() {
     _alice.showInspector();
   }

examples/alice_dio/pubspec.yaml

@@ -12,8 +12,13 @@ dependencies:
     sdk: flutter
   alice:
   alice_dio:
+  path_provider: ^2.1.3
+  path: ^1.9.0
   dio: ^5.4.3+1
 
+dev_dependencies:
+  flutter_lints: ^4.0.0
+
 dependency_overrides:
   alice:
     path: ../../packages/alice