added the feature of start and stop recording

obs_flutter/obs/obs_demo/android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<uses-permission android:name="android.permission.RECORD_AUDIO" />
+<!-- Optional: Add this permission if you want to use bluetooth telephony device like headset/earbuds -->
+<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+<!-- Optional: Add this permission if you want to save your recordings in public folders -->
+<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <application
         android:label="obs_demo"
         android:name="${applicationName}"

obs_flutter/obs/obs_demo/ios/Runner/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+<key>NSMicrophoneUsageDescription</key>
+<string>Some message to describe why you need this permission</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>

obs_flutter/obs/obs_demo/lib/main.dart

@@ -1,7 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:obs_demo/CreateUserPage.dart';
-import 'package:obs_demo/screen/bottomNavi.dart';
-import 'package:obs_demo/screen/dashboard.dart';
 
 void main() {
   runApp(const MyApp());

obs_flutter/obs/obs_demo/lib/screen/audio_recorder.dart

@@ -0,0 +1,115 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:audioplayers/audioplayers.dart';
+import 'package:record/record.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:path_provider/path_provider.dart';
+
+class AudioRecorder extends StatefulWidget {
+  @override
+  _AudioRecorderState createState() => _AudioRecorderState();
+}
+
+class _AudioRecorderState extends State<AudioRecorder> {
+  late AudioPlayer audioPlayer;
+  String? _filePath;
+  bool _isRecording = false;
+  bool _hasRecording = false;
+
+  @override
+  void initState() {
+    super.initState();
+    audioPlayer = AudioPlayer();
+    _requestPermissions();
+  }
+
+  Future<void> _requestPermissions() async {
+    await Permission.microphone.request();
+    await Permission.storage.request();
+  }
+
+  Future<void> _startRecording() async {
+    if (await Record().hasPermission()) {
+      final directory = await getApplicationDocumentsDirectory();
+      _filePath = '${directory.path}/audio_recording.wav';
+      await Record().start(
+        path: _filePath,
+        encoder: AudioEncoder.AAC,
+        bitRate: 128000,
+        samplingRate: 44100,
+      );
+      setState(() {
+        _isRecording = true;
+        _hasRecording = false;
+      });
+      print('Recording started: $_filePath');
+    } else {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Microphone permission is required')),
+      );
+    }
+  }
+
+  Future<void> _stopRecording() async {
+    await Record().stop();
+    setState(() {
+      _isRecording = false;
+      _hasRecording = true;
+    });
+    print('Recording stopped: $_filePath');
+  }
+
+  Future<void> _playRecording() async {
+    if (_filePath != null && File(_filePath!).existsSync()) {
+      await audioPlayer.play(DeviceFileSource(_filePath!));
+      print('Playing recording: $_filePath');
+    } else {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('No recording found or file does not exist')),
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    if (_isRecording) {
+      _stopRecording();
+    }
+    audioPlayer.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Modern Audio Recorder'),
+        elevation: 0,
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(20.0),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(_isRecording ? 'Recording...' : 'Press the button to record'),
+            SizedBox(height: 20),
+            ElevatedButton(
+              onPressed: _isRecording ? _stopRecording : _startRecording,
+              child: Text(_isRecording ? 'Stop Recording' : 'Start Recording'),
+            ),
+            if (_filePath != null && !_isRecording && _hasRecording) ...[
+              SizedBox(height: 20),
+              Text('Recording saved at:'),
+              Text(_filePath!),
+              SizedBox(height: 20),
+              ElevatedButton(
+                onPressed: _playRecording,
+                child: Text('Play Recording'),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}

obs_flutter/obs/obs_demo/lib/screen/bottomNavi.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:obs_demo/editortext.dart';
+import 'package:obs_demo/screen/audio_recorder.dart';
 import 'package:obs_demo/screen/dashboard.dart';
 import 'package:obs_demo/user_profile.dart';
 
@@ -64,6 +65,7 @@ class _BottomNavigationBarExampleState
       //   'Audio',
       //   style: optionStyle,
       // ),
+      AudioRecorder(),
       Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: <Widget>[
@@ -130,10 +132,10 @@ class _BottomNavigationBarExampleState
             icon: Icon(Icons.create),
             label: '',
           ),
-          // BottomNavigationBarItem(
-          //   icon: Icon(Icons.audiotrack_outlined),
-          //   label: 'Audio',
-          // ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.volume_up),
+            label: '',
+          ),
           BottomNavigationBarItem(
             icon: Icon(Icons.menu),
             label: '',

obs_flutter/obs/obs_demo/linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <audioplayers_linux/audioplayers_linux_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) audioplayers_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "AudioplayersLinuxPlugin");
+  audioplayers_linux_plugin_register_with_registrar(audioplayers_linux_registrar);
 }

obs_flutter/obs/obs_demo/linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  audioplayers_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

obs_flutter/obs/obs_demo/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,10 @@
 import FlutterMacOS
 import Foundation
 
+import audioplayers_darwin
 import path_provider_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  AudioplayersDarwinPlugin.register(with: registry.registrar(forPlugin: "AudioplayersDarwinPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
 }