mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
[fp-rs] Set up basic demo for calling Rust from Flutter
This commit is contained in:
Lucas Silva Shepard
@@ -0,0 +1,15 @@
|
||||
// AUTO GENERATED FILE, DO NOT EDIT.
|
||||
// Generated by `flutter_rust_bridge`@ 1.79.0.
|
||||
// ignore_for_file: non_constant_identifier_names, unused_element, duplicate_ignore, directives_ordering, curly_braces_in_flow_control_structures, unnecessary_lambdas, slash_for_doc_comments, prefer_const_literals_to_create_immutables, implicit_dynamic_list_literal, duplicate_import, unused_import, unnecessary_import, prefer_single_quotes, prefer_const_constructors, use_super_parameters, always_use_package_imports, annotate_overrides, invalid_use_of_protected_member, constant_identifier_names, invalid_use_of_internal_member, prefer_is_empty, unnecessary_const
|
||||
|
||||
import 'dart:convert';
|
||||
import 'dart:async';
|
||||
import 'package:meta/meta.dart';
|
||||
import 'package:flutter_rust_bridge/flutter_rust_bridge.dart';
|
||||
import 'package:uuid/uuid.dart';
|
||||
|
||||
abstract class Rust {
|
||||
Future<String> hello({dynamic hint});
|
||||
|
||||
FlutterRustBridgeTaskConstMeta get kHelloConstMeta;
|
||||
}
|
||||
@@ -0,0 +1,203 @@
|
||||
// AUTO GENERATED FILE, DO NOT EDIT.
|
||||
// Generated by `flutter_rust_bridge`@ 1.79.0.
|
||||
// ignore_for_file: non_constant_identifier_names, unused_element, duplicate_ignore, directives_ordering, curly_braces_in_flow_control_structures, unnecessary_lambdas, slash_for_doc_comments, prefer_const_literals_to_create_immutables, implicit_dynamic_list_literal, duplicate_import, unused_import, unnecessary_import, prefer_single_quotes, prefer_const_constructors, use_super_parameters, always_use_package_imports, annotate_overrides, invalid_use_of_protected_member, constant_identifier_names, invalid_use_of_internal_member, prefer_is_empty, unnecessary_const
|
||||
|
||||
import "bridge_definitions.dart";
|
||||
import 'dart:convert';
|
||||
import 'dart:async';
|
||||
import 'package:meta/meta.dart';
|
||||
import 'package:flutter_rust_bridge/flutter_rust_bridge.dart';
|
||||
import 'package:uuid/uuid.dart';
|
||||
|
||||
import 'dart:convert';
|
||||
import 'dart:async';
|
||||
import 'package:meta/meta.dart';
|
||||
import 'package:flutter_rust_bridge/flutter_rust_bridge.dart';
|
||||
import 'package:uuid/uuid.dart';
|
||||
|
||||
import 'dart:ffi' as ffi;
|
||||
|
||||
class RustImpl implements Rust {
|
||||
final RustPlatform _platform;
|
||||
factory RustImpl(ExternalLibrary dylib) => RustImpl.raw(RustPlatform(dylib));
|
||||
|
||||
/// Only valid on web/WASM platforms.
|
||||
factory RustImpl.wasm(FutureOr<WasmModule> module) =>
|
||||
RustImpl(module as ExternalLibrary);
|
||||
RustImpl.raw(this._platform);
|
||||
Future<String> hello({dynamic hint}) {
|
||||
return _platform.executeNormal(FlutterRustBridgeTask(
|
||||
callFfi: (port_) => _platform.inner.wire_hello(port_),
|
||||
parseSuccessData: _wire2api_String,
|
||||
constMeta: kHelloConstMeta,
|
||||
argValues: [],
|
||||
hint: hint,
|
||||
));
|
||||
}
|
||||
|
||||
FlutterRustBridgeTaskConstMeta get kHelloConstMeta =>
|
||||
const FlutterRustBridgeTaskConstMeta(
|
||||
debugName: "hello",
|
||||
argNames: [],
|
||||
);
|
||||
|
||||
void dispose() {
|
||||
_platform.dispose();
|
||||
}
|
||||
// Section: wire2api
|
||||
|
||||
String _wire2api_String(dynamic raw) {
|
||||
return raw as String;
|
||||
}
|
||||
|
||||
int _wire2api_u8(dynamic raw) {
|
||||
return raw as int;
|
||||
}
|
||||
|
||||
Uint8List _wire2api_uint_8_list(dynamic raw) {
|
||||
return raw as Uint8List;
|
||||
}
|
||||
}
|
||||
|
||||
// Section: api2wire
|
||||
|
||||
// Section: finalizer
|
||||
|
||||
class RustPlatform extends FlutterRustBridgeBase<RustWire> {
|
||||
RustPlatform(ffi.DynamicLibrary dylib) : super(RustWire(dylib));
|
||||
|
||||
// Section: api2wire
|
||||
|
||||
// Section: finalizer
|
||||
|
||||
// Section: api_fill_to_wire
|
||||
}
|
||||
|
||||
// ignore_for_file: camel_case_types, non_constant_identifier_names, avoid_positional_boolean_parameters, annotate_overrides, constant_identifier_names
|
||||
|
||||
// AUTO GENERATED FILE, DO NOT EDIT.
|
||||
//
|
||||
// Generated by `package:ffigen`.
|
||||
// ignore_for_file: type=lint
|
||||
|
||||
/// generated by flutter_rust_bridge
|
||||
class RustWire implements FlutterRustBridgeWireBase {
|
||||
@internal
|
||||
late final dartApi = DartApiDl(init_frb_dart_api_dl);
|
||||
|
||||
/// Holds the symbol lookup function.
|
||||
final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
|
||||
_lookup;
|
||||
|
||||
/// The symbols are looked up in [dynamicLibrary].
|
||||
RustWire(ffi.DynamicLibrary dynamicLibrary) : _lookup = dynamicLibrary.lookup;
|
||||
|
||||
/// The symbols are looked up with [lookup].
|
||||
RustWire.fromLookup(
|
||||
ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
|
||||
lookup)
|
||||
: _lookup = lookup;
|
||||
|
||||
void store_dart_post_cobject(
|
||||
DartPostCObjectFnType ptr,
|
||||
) {
|
||||
return _store_dart_post_cobject(
|
||||
ptr,
|
||||
);
|
||||
}
|
||||
|
||||
late final _store_dart_post_cobjectPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.Void Function(DartPostCObjectFnType)>>(
|
||||
'store_dart_post_cobject');
|
||||
late final _store_dart_post_cobject = _store_dart_post_cobjectPtr
|
||||
.asFunction<void Function(DartPostCObjectFnType)>();
|
||||
|
||||
Object get_dart_object(
|
||||
int ptr,
|
||||
) {
|
||||
return _get_dart_object(
|
||||
ptr,
|
||||
);
|
||||
}
|
||||
|
||||
late final _get_dart_objectPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.Handle Function(ffi.UintPtr)>>(
|
||||
'get_dart_object');
|
||||
late final _get_dart_object =
|
||||
_get_dart_objectPtr.asFunction<Object Function(int)>();
|
||||
|
||||
void drop_dart_object(
|
||||
int ptr,
|
||||
) {
|
||||
return _drop_dart_object(
|
||||
ptr,
|
||||
);
|
||||
}
|
||||
|
||||
late final _drop_dart_objectPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.Void Function(ffi.UintPtr)>>(
|
||||
'drop_dart_object');
|
||||
late final _drop_dart_object =
|
||||
_drop_dart_objectPtr.asFunction<void Function(int)>();
|
||||
|
||||
int new_dart_opaque(
|
||||
Object handle,
|
||||
) {
|
||||
return _new_dart_opaque(
|
||||
handle,
|
||||
);
|
||||
}
|
||||
|
||||
late final _new_dart_opaquePtr =
|
||||
_lookup<ffi.NativeFunction<ffi.UintPtr Function(ffi.Handle)>>(
|
||||
'new_dart_opaque');
|
||||
late final _new_dart_opaque =
|
||||
_new_dart_opaquePtr.asFunction<int Function(Object)>();
|
||||
|
||||
int init_frb_dart_api_dl(
|
||||
ffi.Pointer<ffi.Void> obj,
|
||||
) {
|
||||
return _init_frb_dart_api_dl(
|
||||
obj,
|
||||
);
|
||||
}
|
||||
|
||||
late final _init_frb_dart_api_dlPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.IntPtr Function(ffi.Pointer<ffi.Void>)>>(
|
||||
'init_frb_dart_api_dl');
|
||||
late final _init_frb_dart_api_dl = _init_frb_dart_api_dlPtr
|
||||
.asFunction<int Function(ffi.Pointer<ffi.Void>)>();
|
||||
|
||||
void wire_hello(
|
||||
int port_,
|
||||
) {
|
||||
return _wire_hello(
|
||||
port_,
|
||||
);
|
||||
}
|
||||
|
||||
late final _wire_helloPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.Void Function(ffi.Int64)>>('wire_hello');
|
||||
late final _wire_hello = _wire_helloPtr.asFunction<void Function(int)>();
|
||||
|
||||
void free_WireSyncReturn(
|
||||
WireSyncReturn ptr,
|
||||
) {
|
||||
return _free_WireSyncReturn(
|
||||
ptr,
|
||||
);
|
||||
}
|
||||
|
||||
late final _free_WireSyncReturnPtr =
|
||||
_lookup<ffi.NativeFunction<ffi.Void Function(WireSyncReturn)>>(
|
||||
'free_WireSyncReturn');
|
||||
late final _free_WireSyncReturn =
|
||||
_free_WireSyncReturnPtr.asFunction<void Function(WireSyncReturn)>();
|
||||
}
|
||||
|
||||
final class _Dart_Handle extends ffi.Opaque {}
|
||||
|
||||
typedef DartPostCObjectFnType = ffi.Pointer<
|
||||
ffi.NativeFunction<
|
||||
ffi.Bool Function(DartPort port_id, ffi.Pointer<ffi.Void> message)>>;
|
||||
typedef DartPort = ffi.Int64;
|
||||
@@ -1,125 +1,44 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:demo/rust.dart';
|
||||
|
||||
void main() {
|
||||
runApp(const MyApp());
|
||||
runApp(const FastPairApp());
|
||||
}
|
||||
|
||||
class MyApp extends StatelessWidget {
|
||||
const MyApp({super.key});
|
||||
|
||||
// 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 THIS: Try running your application with "flutter run". You'll see
|
||||
// the application has a blue toolbar. Then, without quitting the app,
|
||||
// try changing the seedColor in the colorScheme below to Colors.green
|
||||
// and then invoke "hot reload" (save your changes or press the "hot
|
||||
// reload" button in a Flutter-supported IDE, or press "r" if you used
|
||||
// the command line to start the app).
|
||||
//
|
||||
// Notice that the counter didn't reset back to zero; the application
|
||||
// state is not lost during the reload. To reset the state, use hot
|
||||
// restart instead.
|
||||
//
|
||||
// This works for code too, not just values: Most code changes can be
|
||||
// tested with just a hot reload.
|
||||
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
|
||||
useMaterial3: true,
|
||||
),
|
||||
home: const MyHomePage(title: 'Flutter Demo Home Page'),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class MyHomePage extends StatefulWidget {
|
||||
const MyHomePage({super.key, required this.title});
|
||||
|
||||
// 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.
|
||||
|
||||
// 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".
|
||||
|
||||
final String title;
|
||||
class FastPairApp extends StatelessWidget {
|
||||
const FastPairApp({super.key});
|
||||
|
||||
@override
|
||||
State<MyHomePage> createState() => _MyHomePageState();
|
||||
}
|
||||
|
||||
class _MyHomePageState extends State<MyHomePage> {
|
||||
int _counter = 0;
|
||||
|
||||
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++;
|
||||
});
|
||||
}
|
||||
|
||||
@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(
|
||||
// TRY THIS: Try changing the color here to a specific color (to
|
||||
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
|
||||
// change color while the other colors stay the same.
|
||||
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
|
||||
// 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.
|
||||
//
|
||||
// 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).
|
||||
//
|
||||
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
|
||||
// action in the IDE, or press "p" in the console), to see the
|
||||
// wireframe for each widget.
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
const Text(
|
||||
'You have pushed the button this many times:',
|
||||
),
|
||||
Text(
|
||||
'$_counter',
|
||||
style: Theme.of(context).textTheme.headlineMedium,
|
||||
),
|
||||
],
|
||||
Widget build(BuildContext context) => MaterialApp(
|
||||
title: 'Fast Pair',
|
||||
theme: ThemeData(
|
||||
primarySwatch: Colors.blue,
|
||||
),
|
||||
),
|
||||
floatingActionButton: FloatingActionButton(
|
||||
onPressed: _incrementCounter,
|
||||
tooltip: 'Increment',
|
||||
child: const Icon(Icons.add),
|
||||
), // This trailing comma makes auto-formatting nicer for build methods.
|
||||
);
|
||||
}
|
||||
home: const HomePage(),
|
||||
);
|
||||
}
|
||||
|
||||
class HomePage extends StatelessWidget {
|
||||
const HomePage({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) => Scaffold(
|
||||
appBar: AppBar(
|
||||
title: const Text("Fast Pair"),
|
||||
),
|
||||
body: Center(
|
||||
child: FutureBuilder(
|
||||
// All Rust functions are called as Future's
|
||||
future: api.hello(), // The Rust function we are calling.
|
||||
builder: (context, data) {
|
||||
if (data.hasData) {
|
||||
return Text(data.data!); // The string to display
|
||||
}
|
||||
return const Center(
|
||||
child: CircularProgressIndicator(),
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,18 @@
|
||||
// This file initializes the dynamic library and connects it with the stub
|
||||
// generated by flutter_rust_bridge_codegen.
|
||||
|
||||
import 'dart:ffi';
|
||||
|
||||
import 'dart:io' as io;
|
||||
|
||||
import 'package:demo/bridge_generated.dart';
|
||||
|
||||
const _base = 'rust';
|
||||
|
||||
// On MacOS, the dynamic library is not bundled with the binary,
|
||||
// but rather directly **linked** against the binary.
|
||||
final _dylib = io.Platform.isWindows ? '$_base.dll' : 'lib$_base.so';
|
||||
|
||||
final api = RustImpl(io.Platform.isIOS || io.Platform.isMacOS
|
||||
? DynamicLibrary.executable()
|
||||
: DynamicLibrary.open(_dylib));
|
||||
@@ -1,30 +0,0 @@
|
||||
// This is a basic Flutter widget test.
|
||||
//
|
||||
// To perform an interaction with a widget in your test, use the WidgetTester
|
||||
// utility in the flutter_test package. For example, you can send tap and scroll
|
||||
// gestures. You can also use WidgetTester to find child widgets in the widget
|
||||
// tree, read text, and verify that the values of widget properties are correct.
|
||||
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
|
||||
import 'package:demo/main.dart';
|
||||
|
||||
void main() {
|
||||
testWidgets('Counter increments smoke test', (WidgetTester tester) async {
|
||||
// Build our app and trigger a frame.
|
||||
await tester.pumpWidget(const MyApp());
|
||||
|
||||
// Verify that our counter starts at 0.
|
||||
expect(find.text('0'), findsOneWidget);
|
||||
expect(find.text('1'), findsNothing);
|
||||
|
||||
// Tap the '+' icon and trigger a frame.
|
||||
await tester.tap(find.byIcon(Icons.add));
|
||||
await tester.pump();
|
||||
|
||||
// Verify that our counter has incremented.
|
||||
expect(find.text('0'), findsNothing);
|
||||
expect(find.text('1'), findsOneWidget);
|
||||
});
|
||||
}
|
||||
Reference in New Issue
Block a user