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add code generation example and documentation
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# JSON And C# Code Generation | ||
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In this example we will use code generation to generate JSON serialization method and C# types for our Dart classes. | ||
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To start generating code run the following command: | ||
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```console | ||
PS c:\FlutterCsharpRpc\example\code generation\flutter_app> flutter pub run build_runner watch --delete-conflicting-outputs | ||
``` | ||
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You will see new files added to the project file, an `*.g.dart` files for JSON serialization and an `CsharpModels/Models.cs` for C# types. | ||
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This example uses the [json_serializable](https://pub.dev/packages/json_serializable) package for JSON serialization, and [csharp_generator](https://pub.dev/packages/csharp_generator) package for C# types generation. | ||
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Note: You can set the output path of the C# file-types by create and edit the [build.yaml](https://github.com/YehudaKremer/FlutterCsharpRpc/tree/main/example/code_generation/flutter_app/build.yaml) file. |
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# Miscellaneous | ||
*.class | ||
*.log | ||
*.pyc | ||
*.swp | ||
.DS_Store | ||
.atom/ | ||
.buildlog/ | ||
.history | ||
.svn/ | ||
migrate_working_dir/ | ||
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# IntelliJ related | ||
*.iml | ||
*.ipr | ||
*.iws | ||
.idea/ | ||
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# The .vscode folder contains launch configuration and tasks you configure in | ||
# VS Code which you may wish to be included in version control, so this line | ||
# is commented out by default. | ||
#.vscode/ | ||
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# Flutter/Dart/Pub related | ||
**/doc/api/ | ||
**/ios/Flutter/.last_build_id | ||
.dart_tool/ | ||
.flutter-plugins | ||
.flutter-plugins-dependencies | ||
.packages | ||
.pub-cache/ | ||
.pub/ | ||
/build/ | ||
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# Symbolication related | ||
app.*.symbols | ||
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# Obfuscation related | ||
app.*.map.json | ||
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# Android Studio will place build artifacts here | ||
/android/app/debug | ||
/android/app/profile | ||
/android/app/release |
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# This file tracks properties of this Flutter project. | ||
# Used by Flutter tool to assess capabilities and perform upgrades etc. | ||
# | ||
# This file should be version controlled. | ||
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version: | ||
revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
channel: stable | ||
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project_type: app | ||
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# Tracks metadata for the flutter migrate command | ||
migration: | ||
platforms: | ||
- platform: root | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: android | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: ios | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: linux | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: macos | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: web | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
- platform: windows | ||
create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf | ||
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# User provided section | ||
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# List of Local paths (relative to this file) that should be | ||
# ignored by the migrate tool. | ||
# | ||
# Files that are not part of the templates will be ignored by default. | ||
unmanaged_files: | ||
- 'lib/main.dart' | ||
- 'ios/Runner.xcodeproj/project.pbxproj' |
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# flutter_app | ||
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A new Flutter project. | ||
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## Getting Started | ||
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This project is a starting point for a Flutter application. | ||
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A few resources to get you started if this is your first Flutter project: | ||
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- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab) | ||
- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook) | ||
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For help getting started with Flutter development, view the | ||
[online documentation](https://docs.flutter.dev/), which offers tutorials, | ||
samples, guidance on mobile development, and a full API reference. |
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# This file configures the analyzer, which statically analyzes Dart code to | ||
# check for errors, warnings, and lints. | ||
# | ||
# The issues identified by the analyzer are surfaced in the UI of Dart-enabled | ||
# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be | ||
# invoked from the command line by running `flutter analyze`. | ||
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# The following line activates a set of recommended lints for Flutter apps, | ||
# packages, and plugins designed to encourage good coding practices. | ||
include: package:flutter_lints/flutter.yaml | ||
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linter: | ||
# The lint rules applied to this project can be customized in the | ||
# section below to disable rules from the `package:flutter_lints/flutter.yaml` | ||
# included above or to enable additional rules. A list of all available lints | ||
# and their documentation is published at | ||
# https://dart-lang.github.io/linter/lints/index.html. | ||
# | ||
# Instead of disabling a lint rule for the entire project in the | ||
# section below, it can also be suppressed for a single line of code | ||
# or a specific dart file by using the `// ignore: name_of_lint` and | ||
# `// ignore_for_file: name_of_lint` syntax on the line or in the file | ||
# producing the lint. | ||
rules: | ||
# avoid_print: false # Uncomment to disable the `avoid_print` rule | ||
# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule | ||
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# Additional information about this file can be found at | ||
# https://dart.dev/guides/language/analysis-options |
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targets: | ||
$default: | ||
builders: | ||
csharp_generator:csharpBuilder: | ||
options: | ||
outPath: CsharpModels/Models.cs | ||
namespace: MyCsharpProject |
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import 'package:flutter/material.dart'; | ||
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void main() { | ||
runApp(const MyApp()); | ||
} | ||
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class MyApp extends StatelessWidget { | ||
const MyApp({super.key}); | ||
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// This widget is the root of your application. | ||
@override | ||
Widget build(BuildContext context) { | ||
return MaterialApp( | ||
title: 'Flutter Demo', | ||
theme: ThemeData( | ||
// This is the theme of your application. | ||
// | ||
// Try running your application with "flutter run". You'll see the | ||
// application has a blue toolbar. Then, without quitting the app, try | ||
// changing the primarySwatch below to Colors.green and then invoke | ||
// "hot reload" (press "r" in the console where you ran "flutter run", | ||
// or simply save your changes to "hot reload" in a Flutter IDE). | ||
// Notice that the counter didn't reset back to zero; the application | ||
// is not restarted. | ||
primarySwatch: Colors.blue, | ||
), | ||
home: const MyHomePage(title: 'Flutter Demo Home Page'), | ||
); | ||
} | ||
} | ||
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class MyHomePage extends StatefulWidget { | ||
const MyHomePage({super.key, required this.title}); | ||
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// This widget is the home page of your application. It is stateful, meaning | ||
// that it has a State object (defined below) that contains fields that affect | ||
// how it looks. | ||
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// This class is the configuration for the state. It holds the values (in this | ||
// case the title) provided by the parent (in this case the App widget) and | ||
// used by the build method of the State. Fields in a Widget subclass are | ||
// always marked "final". | ||
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final String title; | ||
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@override | ||
State<MyHomePage> createState() => _MyHomePageState(); | ||
} | ||
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class _MyHomePageState extends State<MyHomePage> { | ||
int _counter = 0; | ||
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void _incrementCounter() { | ||
setState(() { | ||
// This call to setState tells the Flutter framework that something has | ||
// changed in this State, which causes it to rerun the build method below | ||
// so that the display can reflect the updated values. If we changed | ||
// _counter without calling setState(), then the build method would not be | ||
// called again, and so nothing would appear to happen. | ||
_counter++; | ||
}); | ||
} | ||
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@override | ||
Widget build(BuildContext context) { | ||
// This method is rerun every time setState is called, for instance as done | ||
// by the _incrementCounter method above. | ||
// | ||
// The Flutter framework has been optimized to make rerunning build methods | ||
// fast, so that you can just rebuild anything that needs updating rather | ||
// than having to individually change instances of widgets. | ||
return Scaffold( | ||
appBar: AppBar( | ||
// Here we take the value from the MyHomePage object that was created by | ||
// the App.build method, and use it to set our appbar title. | ||
title: Text(widget.title), | ||
), | ||
body: Center( | ||
// Center is a layout widget. It takes a single child and positions it | ||
// in the middle of the parent. | ||
child: Column( | ||
// Column is also a layout widget. It takes a list of children and | ||
// arranges them vertically. By default, it sizes itself to fit its | ||
// children horizontally, and tries to be as tall as its parent. | ||
// | ||
// Invoke "debug painting" (press "p" in the console, choose the | ||
// "Toggle Debug Paint" action from the Flutter Inspector in Android | ||
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code) | ||
// to see the wireframe for each widget. | ||
// | ||
// Column has various properties to control how it sizes itself and | ||
// how it positions its children. Here we use mainAxisAlignment to | ||
// center the children vertically; the main axis here is the vertical | ||
// axis because Columns are vertical (the cross axis would be | ||
// horizontal). | ||
mainAxisAlignment: MainAxisAlignment.center, | ||
children: <Widget>[ | ||
const Text( | ||
'You have pushed the button this many times:', | ||
), | ||
Text( | ||
'$_counter', | ||
style: Theme.of(context).textTheme.headlineMedium, | ||
), | ||
], | ||
), | ||
), | ||
floatingActionButton: FloatingActionButton( | ||
onPressed: _incrementCounter, | ||
tooltip: 'Increment', | ||
child: const Icon(Icons.add), | ||
), // This trailing comma makes auto-formatting nicer for build methods. | ||
); | ||
} | ||
} |
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example/code_generation/flutter_app/lib/models/address.dart
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import 'package:csharp_annotations/csharp_annotations.dart'; | ||
import 'package:json_annotation/json_annotation.dart'; | ||
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part 'address.g.dart'; | ||
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@csharp | ||
@JsonSerializable() | ||
class Address { | ||
String street; | ||
String city; | ||
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Address(this.street, this.city); | ||
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factory Address.fromJson(Map<String, dynamic> json) => | ||
_$AddressFromJson(json); | ||
Map<String, dynamic> toJson() => _$AddressToJson(this); | ||
} |
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import 'package:csharp_annotations/csharp_annotations.dart'; | ||
import 'package:json_annotation/json_annotation.dart'; | ||
import 'address.dart'; | ||
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part 'user.g.dart'; | ||
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@CSharp() | ||
@JsonSerializable() | ||
class User { | ||
User(this.name, this.email, this.address); | ||
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String name; | ||
String email; | ||
Address address; | ||
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factory User.fromJson(Map<String, dynamic> json) => _$UserFromJson(json); | ||
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Map<String, dynamic> toJson() => _$UserToJson(this); | ||
} |
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