Merge branch '3-add-parameters-page' into 'master'

Resolve "Add parameters page"

Closes #3

See merge request !2

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.2
-app.versionCode=2
+app.versionName=0.0.3
+app.versionCode=3

fastlane/metadata/android/en-US/changelogs/3.txt

+Add parameters page with API URL

fastlane/metadata/android/fr-FR/changelogs/3.txt

+Ajout d'une page de paramétrage avec l'url de l'API

lib/main.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 
 import 'provider/data.dart';
 import 'screens/home.dart';
+import 'screens/settings.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
@@ -26,6 +27,7 @@ class MyApp extends StatelessWidget {
           home: Home(),
           routes: {
             Home.id: (context) => Home(),
+            SettingsPage.id: (context) => SettingsPage(),
           },
         );
       }),

lib/provider/data.dart

 import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 class Data extends ChangeNotifier {
 
+  // Application settings
+  String _apiurl = '';
+
+  getParameterValue(String parameterCode) {
+    switch(parameterCode) {
+      case 'apiurl': { return _apiurl; }
+      break;
+    }
+  }
+
+  setParameterValue(String parameterCode, String parameterValue) async {
+    print('set parameter "' + parameterCode + '" to value "' + parameterValue + '"');
+    switch(parameterCode) {
+      case 'apiurl': { updateApiUrl(parameterValue); }
+      break;
+    }
+    final prefs = await SharedPreferences.getInstance();
+    prefs.setString(parameterCode, parameterValue);
+  }
+
+  void initParametersValues() async {
+    final prefs = await SharedPreferences.getInstance();
+    setParameterValue('apiurl', prefs.getString('apiurl') ?? 'http://127.0.0.1/plotter');
+  }
+
+  String get apiurl => _apiurl;
+  void updateApiUrl(String apiurl) {
+    _apiurl = apiurl;
+    notifyListeners();
+  }
 }

lib/screens/home.dart

@@ -2,10 +2,24 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import '../provider/data.dart';
+import '../screens/settings.dart';
 
-class Home extends StatelessWidget {
+class Home extends StatefulWidget {
   static const String id = 'home';
 
+  @override
+  _HomeState createState() => _HomeState();
+}
+
+class _HomeState extends State<Home> {
+  @override
+  void initState() {
+    super.initState();
+
+    Data myProvider = Provider.of<Data>(context, listen: false);
+    myProvider.initParametersValues();
+  }
+
   @override
   Widget build(BuildContext context) {
     Data myProvider = Provider.of<Data>(context);
@@ -15,8 +29,19 @@ class Home extends StatelessWidget {
         title: new Text('Stepper plotter assistant'),
 
         actions: [
+          IconButton(
+            icon: Icon(Icons.settings),
+            onPressed: () {
+              Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) {
+                  return SettingsPage();
+                }),
+              );
+            },
+          )
         ],
-        
+
         leading: IconButton(
           icon: Image.asset('assets/icons/application.png'),
           onPressed: () { },

lib/screens/settings.dart

+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../provider/data.dart';
+
+class SettingsPage extends StatefulWidget {
+  static const String id = 'settings';
+  const SettingsPage({Key? key}) : super(key: key);
+
+  @override
+  _SettingsPageState createState() => _SettingsPageState();
+}
+
+class _SettingsPageState extends State<SettingsPage> {
+  TextEditingController apiUrlFieldController = TextEditingController();
+
+  @override
+  void dispose() {
+    apiUrlFieldController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    Data myProvider = Provider.of<Data>(context);
+
+    apiUrlFieldController.text  = myProvider.getParameterValue('apiurl');
+
+    return Scaffold(
+      appBar: AppBar(
+        title: new Text('Stepper - settings'),
+
+        actions: [
+          IconButton(
+            icon: Icon(Icons.save),
+            onPressed: () {
+              myProvider.setParameterValue('apiurl', apiUrlFieldController.text);
+              Navigator.pop(context);
+            },
+          )
+        ],
+
+        leading: IconButton(
+          icon: Image.asset('assets/icons/application.png'),
+          onPressed: () { },
+        ),
+      ),
+
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: TextFormField(
+          controller: apiUrlFieldController,
+          decoration: InputDecoration(
+            border: UnderlineInputBorder(),
+            labelText: 'API URL',
+          ),
+        ),
+      ),
+    );
+  }
+}

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.7.0"
+    version: "2.8.1"
   boolean_selector:
     dependency: transitive
     description:
@@ -50,6 +50,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -60,6 +74,18 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
   matcher:
     dependency: transitive
     description:
@@ -88,6 +114,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.3"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.3"
   provider:
     dependency: "direct main"
     description:
@@ -95,6 +163,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.0"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.6"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -141,7 +251,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.1"
+    version: "0.4.2"
   typed_data:
     dependency: transitive
     description:
@@ -156,6 +266,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.5"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.16.0"
+  dart: ">=2.13.0 <3.0.0"
+  flutter: ">=2.0.0"

pubspec.yaml

@@ -4,12 +4,13 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
   provider: ^5.0.0
+  shared_preferences: ^2.0.6
 
 dev_dependencies:
   flutter_test: