Setup flutter_rust_bridge

Cargo.toml

@@ -12,6 +12,9 @@ members = [
   "qb-daemon",
   # Application Clients
   "qb-cli",
+
+  # Needed for FFI
+  "qb-mobile/rust",
 ]
 
 [workspace.package]

qb-mobile/android/app/build.gradle

@@ -43,18 +43,6 @@ android {
             signingConfig = signingConfigs.debug
         }
     }
-
-    sourceSets {
-        main {
-            jniLibs.srcDirs += "native"
-        }
-        debug {
-            jniLibs.srcDirs += "native"
-        }
-        profile {
-            jniLibs.srcDirs += "native"
-        }
-    }
 }
 
 flutter {

qb-mobile/android/app/src/main/AndroidManifest.xml

@@ -1,15 +1,11 @@
 <manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="com.example.qb_mobile" >
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM"/>
 
     <application
         android:label="qb_mobile"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher"
-        android:extractNativeLibs="true"
-        tools:replace="android:extractNativeLibs" >
+        android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:exported="true"

qb-mobile/flutter_rust_bridge.yaml

@@ -0,0 +1,3 @@
+rust_input: crate::api
+rust_root: rust/
+dart_output: lib/src/rust

qb-mobile/integration_test/simple_test.dart

@@ -0,0 +1,13 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:qb_mobile/main.dart';
+import 'package:qb_mobile/src/rust/frb_generated.dart';
+import 'package:integration_test/integration_test.dart';
+
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+  setUpAll(() async => await RustLib.init());
+  testWidgets('Can call rust function', (WidgetTester tester) async {
+    await tester.pumpWidget(const MyApp());
+    expect(find.textContaining('Result: `Hello, Tom!`'), findsOneWidget);
+  });
+}

qb-mobile/lib/main.dart

@@ -1,90 +1,119 @@
-import 'package:flutter/material.dart';
-import 'package:qb_mobile/service.dart';
+// The original content is temporarily commented out to allow generating a self-contained demo - feel free to uncomment later.
 
-void main() async {
-  WidgetsFlutterBinding.ensureInitialized();
-  print("kekw");
-  await initializeService();
-
-  runApp(const QuixByteApp());
-}
+// import 'package:flutter/material.dart';
+// import 'package:qb_mobile/service.dart';
+//
+// void main() async {
+//   WidgetsFlutterBinding.ensureInitialized();
+//   print("kekw");
+//   await initializeService();
+//
+//   runApp(const QuixByteApp());
+// }
+//
+// class QuixByteApp extends StatelessWidget {
+//   const QuixByteApp({super.key});
+//
+//   // This widget is the root of your application.
+//   @override
+//   Widget build(BuildContext context) {
+//     return MaterialApp(
+//       title: 'QuixByte Mobile',
+//       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 purple 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 QuixByteHomePage(),
+//     );
+//   }
+// }
+//
+// class QuixByteHomePage extends StatelessWidget {
+//   const QuixByteHomePage({super.key});
+//
+//   @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: const Text("QuixByte Mobile"),
+//       ),
+//       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>[
+//             FilledButton(onPressed: () {}, child: const Text("Settings")),
+//             FilledButton(onPressed: () {}, child: const Text("Manage")),
+//             FilledButton(onPressed: () {}, child: const Text("View Files")),
+//           ],
+//         ),
+//       ),
+//     );
+//   }
+// }
+//
 
-class QuixByteApp extends StatelessWidget {
-  const QuixByteApp({super.key});
+import 'package:flutter/material.dart';
+import 'package:qb_mobile/src/rust/api/simple.dart';
+import 'package:qb_mobile/src/rust/frb_generated.dart';
 
-  // This widget is the root of your application.
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'QuixByte Mobile',
-      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 purple 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 QuixByteHomePage(),
-    );
-  }
+Future<void> main() async {
+  await RustLib.init();
+  runApp(const MyApp());
 }
 
-class QuixByteHomePage extends StatelessWidget {
-  const QuixByteHomePage({super.key});
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
 
   @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: const Text("QuixByte Mobile"),
-      ),
-      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>[
-            FilledButton(onPressed: () {}, child: const Text("Settings")),
-            FilledButton(onPressed: () {}, child: const Text("Manage")),
-            FilledButton(onPressed: () {}, child: const Text("View Files")),
-          ],
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(title: const Text('flutter_rust_bridge quickstart')),
+        body: Center(
+          child: Text(
+              'Action: Call Rust `greet("Tom")`\nResult: `${greet(name: "Tom")}`'),
         ),
       ),
     );

qb-mobile/lib/service.dart

@@ -9,7 +9,6 @@ import 'package:process/process.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_background_service/flutter_background_service.dart';
 
-
 const ProcessManager processManager = LocalProcessManager();
 
 Future<void> initializeService() async {
@@ -63,12 +62,14 @@ void onStart(ServiceInstance service) async {
     //await copyBinary('qb-daemon-$abi', file);
     //}
 
-    final fileProc = await processManager.run(['ls', '-la', '/data/app/com.example.qb_mobile.apk']);
+    final fileProc = await processManager
+        .run(['ls', '-la', '/data/app/com.example.qb_mobile.apk']);
     print(fileProc.stdout);
     print(fileProc.stderr);
 
     final file = File('');
-    final process = await processManager.run([file.path, '--no-ipc --std'], runInShell: true);
+    final process = await processManager
+        .run([file.path, '--no-ipc --std'], runInShell: true);
     print(process.stderr);
     process.stdout.listen((data) {
       print("recv: $data");
@@ -96,7 +97,7 @@ void onStart(ServiceInstance service) async {
 //  final src = await rootBundle.load("assets/bin/$srcBin");
 //  await dst.writeAsBytes(src.buffer.asUint8List(src.offsetInBytes, src.lengthInBytes));
 //  print(src.lengthInBytes);
-//  
+//
 //  final chmodProc = await processManager.run(['chmod', '+x', dst.path], runInShell: true);
 //  print(chmodProc.stdout);
 //  print(chmodProc.stderr);

qb-mobile/lib/src/rust/api/simple.dart

@@ -0,0 +1,10 @@
+// This file is automatically generated, so please do not edit it.
+// Generated by `flutter_rust_bridge`@ 2.3.0.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+String greet({required String name}) =>
+    RustLib.instance.api.crateApiSimpleGreet(name: name);