rafdls · May 12, 2020 10:14 · May 12, 2020 · May 12, 2020 · May 12, 2020 · May 12, 2020
diff --git a/launch.json b/launch.json
@@ -0,0 +1,17 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Dog Match Dev",
+            "request": "launch",
+            "type": "dart",
+            "program": "lib/main_dev.dart",
+        },
+        {
+            "name": "Dog Match Prod",
+            "request": "launch",
+            "type": "dart",
+            "program": "lib/main_prod.dart",
+        }
+    ]
+}
diff --git a/dog_app.dart b/dog_app.dart
@@ -0,0 +1,71 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/widgets/dog_stack.dart';
+import 'package:flutter_flavors/widgets/generic_button.dart';
+import 'package:flutter_flavors/widgets/generic_loading_spinner.dart';
+
+class DogApp extends StatefulWidget {
+  DogApp(this.appConfig);
+
+  final AppConfig appConfig;
+
+  @override
+  _DogAppState createState() => _DogAppState(appConfig);
+}
+
+class _DogAppState extends State<DogApp> {
+  _DogAppState(this.appConfig);
+
+  final AppConfig appConfig;
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      theme: ThemeData(
+        primarySwatch: appConfig.colorSwatch,
+        backgroundColor: Theme.of(context).backgroundColor,
+        visualDensity: VisualDensity.adaptivePlatformDensity,
+      ),
+      home: Scaffold(
+        appBar: AppBar(
+          title: Text(appConfig.appName),
+          centerTitle: true,
+        ),
+        body: Stack(
+          children: <Widget>[
+            Center(
+              child: GenericButton(
+                child: Text('More dogs!'),
+                onPressed: _refreshDogImages,
+              ),
+            ),
+            Container(
+              color: Theme.of(context).canvasColor,
+              child: FutureBuilder(
+                key: UniqueKey(),
+                future: appConfig.dogRepository.getDogImages(count: 10),
+                builder: (context, snapshot) {
+                  final dogImages = snapshot.data as List<ImageProvider>;
+                  if (snapshot.hasData) {
+                    return DogStack(images: dogImages);
+                  } else if (snapshot.hasError) {
+                    return Center(child: Text('There is an error in dog server'));
+                  } else {
+                    return Center(
+                      child: Container(child: GenericLoadingSpinner()),
+                    );
+                  }
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+      debugShowCheckedModeBanner: false,
+    );
+  }
+
+  void _refreshDogImages() {
+    setState(() {});
+  }
+}
diff --git a/dog_repository.dart b/dog_repository.dart
@@ -0,0 +1,5 @@
+import 'package:flutter/material.dart';
+
+abstract class DogRepository {
+  Future<List<ImageProvider>> getDogImages({int count});
+}
diff --git a/dog_repository_dev.dart b/dog_repository_dev.dart
@@ -0,0 +1,9 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/repository/dog_repository.dart';
+
+class DogRepositoryDev implements DogRepository {
+  @override
+  Future<List<ImageProvider>> getDogImages({int count = 1}) {
+    return Future.value(List.generate(count, (_) => AssetImage('assets/dog.jpg')));
+  }
+}
diff --git a/dog_repository_prod.dart b/dog_repository_prod.dart
@@ -0,0 +1,16 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/repository/dog_repository.dart';
+import 'package:http/http.dart' as http;
+
+class DogRepositoryProd implements DogRepository {
+  @override
+  Future<List<ImageProvider>> getDogImages({int count = 1}) async {
+    final response = await http.get('https://dog.ceo/api/breeds/image/random/$count');
+    final List<ImageProvider> images =
+        (json.decode(response.body)['message'] as List).map((dogUrl) => NetworkImage(dogUrl)).toList();
+
+    return Future.value(images);
+  }
+}
diff --git a/app_config.dart b/app_config.dart
@@ -0,0 +1,8 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/repository/dog_repository.dart';
+
+abstract class AppConfig {
+  String get appName;
+  DogRepository get dogRepository;
+  ColorSwatch get colorSwatch;
+}
diff --git a/app_config_dev.dart b/app_config_dev.dart
@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/repository/dog_repository.dart';
+import 'package:flutter_flavors/repository/dog_repository_dev.dart';
+
+class AppConfigDev implements AppConfig {
+  final _dogRepository = DogRepositoryDev();
+  final _appName = "(DEV) Dog Match";
+
+  @override
+  String get appName => _appName;
+
+  @override
+  DogRepository get dogRepository => _dogRepository;
+
+  @override
+  ColorSwatch get colorSwatch => Colors.orange;
+}
diff --git a/app_config_prod.dart b/app_config_prod.dart
@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/repository/dog_repository.dart';
+import 'package:flutter_flavors/repository/dog_repository_prod.dart';
+
+class AppConfigProd implements AppConfig {
+  final _dogRepository = DogRepositoryProd();
+  final _appName = "Dog Match";
+
+  @override
+  String get appName => _appName;
+
+  @override
+  DogRepository get dogRepository => _dogRepository;
+
+  @override
+  ColorSwatch get colorSwatch => Colors.deepPurple;
+}
diff --git a/main_common.dart b/main_common.dart
@@ -0,0 +1,9 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/dog_app.dart';
+
+void mainCommon(AppConfig appConfig) {
+  runApp(DogApp(
+    appConfig,
+  ));
+}
diff --git a/main_dev.dart b/main_dev.dart
@@ -0,0 +1,8 @@
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/config/app_config_dev.dart';
+import 'package:flutter_flavors/main_common.dart';
+
+void main() {
+  final AppConfig appConfig = AppConfigDev();
+  mainCommon(appConfig);
+}
diff --git a/main_prod.dart b/main_prod.dart
@@ -0,0 +1,8 @@
+import 'package:flutter_flavors/config/app_config.dart';
+import 'package:flutter_flavors/config/app_config_prod.dart';
+import 'package:flutter_flavors/main_common.dart';
+
+void main() {
+  final AppConfig appConfig = AppConfigProd();
+  mainCommon(appConfig);
+}
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