fix: microphone permission for MacOS

Author: ctrlvnt

lib/view/widgets/channel_parameters_widget.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';
@@ -249,7 +251,9 @@ class _ChannelParametersState extends State<ChannelParametersWidget> {
                       groupValue:
                           oscilloscopeStateProvider.isInBuiltMICSelected,
                       onChanged: (bool? value) async {
-                        await Permission.microphone.request();
+                        if(!Platform.isMacOS) {
+                          await Permission.microphone.request();
+                        }
                         setState(
                           () {
                             if (value == null) {

macos/Runner/DebugProfile.entitlements

@@ -12,5 +12,7 @@
 	<true/>
 	<key>com.apple.security.personal-information.location</key>
 	<true/>
+	<key>com.apple.security.device.audio-input</key>
+    <true/>
 </dict>
 </plist>

macos/Runner/Info.plist

@@ -30,5 +30,7 @@
 	<string>NSApplication</string>
 	<key>NSLocationUsageDescription</key>
 	<string>This app needs access to location.</string>
+    <key>NSMicrophoneUsageDescription</key>
+    <string>This app needs access to microphone for oscilloscope.</string>
 </dict>
 </plist>

macos/Runner/Release.entitlements

@@ -8,5 +8,7 @@
 	<true/>
 	<key>com.apple.security.personal-information.location</key>
 	<true/>
+	<key>com.apple.security.device.audio-input</key>
+    <true/>
 </dict>
 </plist>