iOS: keep app alive in background

ios/Podfile.lock

@@ -1,4 +1,6 @@
 PODS:
+  - audio_session (0.0.1):
+    - Flutter
   - bluetooth_low_energy_darwin (0.0.1):
     - Flutter
     - FlutterMacOS
@@ -25,6 +27,9 @@ PODS:
     - Flutter
   - ios_receipt (0.0.1):
     - Flutter
+  - just_audio (0.0.1):
+    - Flutter
+    - FlutterMacOS
   - media_key_detector_ios (0.0.1):
     - Flutter
   - nsd_ios (0.0.1):
@@ -63,6 +68,7 @@ PODS:
     - Flutter
 
 DEPENDENCIES:
+  - audio_session (from `.symlinks/plugins/audio_session/ios`)
   - bluetooth_low_energy_darwin (from `.symlinks/plugins/bluetooth_low_energy_darwin/darwin`)
   - device_info_plus (from `.symlinks/plugins/device_info_plus/ios`)
   - Flutter (from `Flutter`)
@@ -75,6 +81,7 @@ DEPENDENCIES:
   - in_app_review (from `.symlinks/plugins/in_app_review/ios`)
   - integration_test (from `.symlinks/plugins/integration_test/ios`)
   - ios_receipt (from `.symlinks/plugins/ios_receipt/ios`)
+  - just_audio (from `.symlinks/plugins/just_audio/darwin`)
   - media_key_detector_ios (from `.symlinks/plugins/media_key_detector_ios/ios`)
   - nsd_ios (from `.symlinks/plugins/nsd_ios/ios`)
   - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
@@ -96,6 +103,8 @@ SPEC REPOS:
     - RevenueCatUI
 
 EXTERNAL SOURCES:
+  audio_session:
+    :path: ".symlinks/plugins/audio_session/ios"
   bluetooth_low_energy_darwin:
     :path: ".symlinks/plugins/bluetooth_low_energy_darwin/darwin"
   device_info_plus:
@@ -120,6 +129,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/integration_test/ios"
   ios_receipt:
     :path: ".symlinks/plugins/ios_receipt/ios"
+  just_audio:
+    :path: ".symlinks/plugins/just_audio/darwin"
   media_key_detector_ios:
     :path: ".symlinks/plugins/media_key_detector_ios/ios"
   nsd_ios:
@@ -146,6 +157,7 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/wakelock_plus/ios"
 
 SPEC CHECKSUMS:
+  audio_session: 19e9480dbdd4e5f6c4543826b2e8b0e4ab6145fe
   bluetooth_low_energy_darwin: 50bc79258e60586e4c4bed5948bd31d925f37fac
   device_info_plus: bf2e3232933866d73fe290f2942f2156cdd10342
   Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
@@ -158,6 +170,7 @@ SPEC CHECKSUMS:
   in_app_review: 436034b18594851a7328d7f1c2ed5ec235b79cfc
   integration_test: 252f60fa39af5e17c3aa9899d35d908a0721b573
   ios_receipt: c2d5b4c36953c377a024992393976214ce6951e6
+  just_audio: a42c63806f16995daf5b219ae1d679deb76e6a79
   media_key_detector_ios: 7ff9aefdfea00bb7b71e184132381b7d0e7e1269
   nsd_ios: 8c37babdc6538e3350dbed3a52674d2edde98173
   package_info_plus: c0502532a26c7662a62a356cebe2692ec5fe4ec4

lib/bluetooth/devices/mywhoosh/link.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:bike_control/bluetooth/devices/trainer_connection.dart';
-import 'package:prop/prop.dart';
 import 'package:bike_control/bluetooth/messages/notification.dart';
 import 'package:bike_control/gen/l10n.dart';
 import 'package:bike_control/utils/actions/base_actions.dart';
@@ -11,6 +10,7 @@ import 'package:bike_control/utils/keymap/buttons.dart';
 import 'package:bike_control/utils/keymap/keymap.dart';
 import 'package:bike_control/utils/requirements/multi.dart';
 import 'package:flutter/foundation.dart';
+import 'package:prop/prop.dart';
 
 class WhooshLink extends TrainerConnection {
   Socket? _socket;
@@ -66,7 +66,8 @@ class WhooshLink extends TrainerConnection {
 
     // Accept connection
     _server!.listen(
-      (Socket socket) {
+      (Socket socket) async {
+        await SharedLogic.keepAlive();
         _socket = socket;
         core.connection.signalNotification(
           AlertNotification(LogLevel.LOGLEVEL_INFO, AppLocalizations.current.myWhooshLinkConnected),
@@ -89,6 +90,8 @@ class WhooshLink extends TrainerConnection {
           },
           onDone: () {
             print('Client disconnected: $socket');
+
+            SharedLogic.stopKeepAlive();
             isConnected.value = false;
             core.connection.signalNotification(
               AlertNotification(LogLevel.LOGLEVEL_WARNING, 'MyWhoosh Link disconnected'),

lib/bluetooth/devices/openbikecontrol/obc_mdns_emulator.dart

@@ -119,7 +119,8 @@ class OpenBikeControlMdnsEmulator extends TrainerConnection {
 
     // Accept connection
     _server!.listen(
-      (Socket socket) {
+      (Socket socket) async {
+        await SharedLogic.keepAlive();
         _socket = socket;
 
         if (kDebugMode) {
@@ -153,6 +154,7 @@ class OpenBikeControlMdnsEmulator extends TrainerConnection {
             }
           },
           onDone: () {
+            SharedLogic.stopKeepAlive();
             core.connection.signalNotification(
               AlertNotification(LogLevel.LOGLEVEL_INFO, 'Disconnected from app: ${connectedApp.value?.appId}'),
             );

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,7 @@
 import FlutterMacOS
 import Foundation
 
+import audio_session
 import bluetooth_low_energy_darwin
 import device_info_plus
 import file_selector_macos
@@ -15,6 +16,7 @@ import gamepads_darwin
 import in_app_purchase_storekit
 import in_app_review
 import ios_receipt
+import just_audio
 import keypress_simulator_macos
 import media_key_detector_macos
 import nsd_macos
@@ -28,6 +30,7 @@ import wakelock_plus
 import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  AudioSessionPlugin.register(with: registry.registrar(forPlugin: "AudioSessionPlugin"))
   BluetoothLowEnergyDarwinPlugin.register(with: registry.registrar(forPlugin: "BluetoothLowEnergyDarwinPlugin"))
   DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
@@ -38,6 +41,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   InAppPurchasePlugin.register(with: registry.registrar(forPlugin: "InAppPurchasePlugin"))
   InAppReviewPlugin.register(with: registry.registrar(forPlugin: "InAppReviewPlugin"))
   IosReceiptPlugin.register(with: registry.registrar(forPlugin: "IosReceiptPlugin"))
+  JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
   KeypressSimulatorMacosPlugin.register(with: registry.registrar(forPlugin: "KeypressSimulatorMacosPlugin"))
   MediaKeyDetectorPlugin.register(with: registry.registrar(forPlugin: "MediaKeyDetectorPlugin"))
   NsdMacosPlugin.register(with: registry.registrar(forPlugin: "NsdMacosPlugin"))

pubspec.lock

@@ -80,6 +80,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.13.0"
+  audio_session:
+    dependency: transitive
+    description:
+      name: audio_session
+      sha256: "8f96a7fecbb718cb093070f868b4cdcb8a9b1053dce342ff8ab2fde10eb9afb7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
   bluetooth_low_energy:
     dependency: "direct main"
     description:
@@ -868,6 +876,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.9.0"
+  just_audio:
+    dependency: transitive
+    description:
+      name: just_audio
+      sha256: "9694e4734f515f2a052493d1d7e0d6de219ee0427c7c29492e246ff32a219908"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.5"
+  just_audio_platform_interface:
+    dependency: transitive
+    description:
+      name: just_audio_platform_interface
+      sha256: "2532c8d6702528824445921c5ff10548b518b13f808c2e34c2fd54793b999a6a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.6.0"
+  just_audio_web:
+    dependency: transitive
+    description:
+      name: just_audio_web
+      sha256: "6ba8a2a7e87d57d32f0f7b42856ade3d6a9fbe0f1a11fabae0a4f00bb73f0663"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.16"
   keypress_simulator:
     dependency: "direct main"
     description:
@@ -1560,6 +1592,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.3.1"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      sha256: c254ade258ec8282947a0acbbc90b9575b4f19673533ee46f2f6e9b3aeefd7c0
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.4.0"
   term_glyph:
     dependency: transitive
     description:

pubspec.yaml

@@ -104,6 +104,7 @@ flutter:
     - INSTRUCTIONS_ZWIFT.md
     - INSTRUCTIONS_LOCAL.md
     - shorebird.yaml
+    - assets/silence.mp3
     - icon.png
 
 flutter_intl: