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feat(ios): add ambient tracks to NWC background audio keep-alive

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This commit is contained in:
ajaysehwal
2026-06-04 10:52:41 -04:00
committed by Evan Kaloudis
parent d29f9a2c50
commit b53a89a0e3
7 changed files with 257 additions and 139 deletions
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ios/zeus.xcodeproj/project.pbxproj
+16
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@@ -223,6 +223,10 @@
FEEEEFC0248849C8BFB0F9A4 /* ldk.png in Resources */ = {isa = PBXBuildFile; fileRef = CEF377B5DB424EBBB4249CA4 /* ldk.png */; };
FF3AC496C4DE4B86AEC22CA7 /* MintToken.svg in Resources */ = {isa = PBXBuildFile; fileRef = C06B8930D07546EA8605E869 /* MintToken.svg */; };
NWC1A2B3C4D5E6F700000001 /* NWCAudioKeepAlive.m in Sources */ = {isa = PBXBuildFile; fileRef = NWC1A2B3C4D5E6F700000002 /* NWCAudioKeepAlive.m */; };
NWCAUDIO0000000000000010 /* Soft Pulse.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = NWCAUDIO0000000000000014 /* Soft Pulse.mp3 */; };
NWCAUDIO0000000000000011 /* Fireplace.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = NWCAUDIO0000000000000015 /* Fireplace.mp3 */; };
NWCAUDIO0000000000000012 /* White Noise.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = NWCAUDIO0000000000000016 /* White Noise.mp3 */; };
NWCAUDIO0000000000000013 /* Gentle Rain.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = NWCAUDIO0000000000000017 /* Gentle Rain.mp3 */; };
/* End PBXBuildFile section */
/* Begin PBXContainerItemProxy section */
@@ -700,6 +704,10 @@
FDE09436C88E4DCA980DA7DE /* zeus_illustration_6a.jpg */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = unknown; name = zeus_illustration_6a.jpg; path = ../assets/images/zeus_illustration_6a.jpg; sourceTree = "<group>"; };
NWC1A2B3C4D5E6F700000002 /* NWCAudioKeepAlive.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = NWCAudioKeepAlive.m; path = zeus/NWCAudioKeepAlive.m; sourceTree = "<group>"; };
NWC1A2B3C4D5E6F700000003 /* NWCAudioKeepAlive.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = NWCAudioKeepAlive.h; path = zeus/NWCAudioKeepAlive.h; sourceTree = "<group>"; };
NWCAUDIO0000000000000014 /* Soft Pulse.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; name = "Soft Pulse.mp3"; path = "zeus/Soft Pulse.mp3"; sourceTree = "<group>"; };
NWCAUDIO0000000000000015 /* Fireplace.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; name = Fireplace.mp3; path = zeus/Fireplace.mp3; sourceTree = "<group>"; };
NWCAUDIO0000000000000016 /* White Noise.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; name = "White Noise.mp3"; path = "zeus/White Noise.mp3"; sourceTree = "<group>"; };
NWCAUDIO0000000000000017 /* Gentle Rain.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; name = "Gentle Rain.mp3"; path = "zeus/Gentle Rain.mp3"; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
@@ -868,6 +876,10 @@
13B07FB01A68108700A75B9A /* AppDelegate.mm */,
NWC1A2B3C4D5E6F700000003 /* NWCAudioKeepAlive.h */,
NWC1A2B3C4D5E6F700000002 /* NWCAudioKeepAlive.m */,
NWCAUDIO0000000000000014 /* Soft Pulse.mp3 */,
NWCAUDIO0000000000000015 /* Fireplace.mp3 */,
NWCAUDIO0000000000000016 /* White Noise.mp3 */,
NWCAUDIO0000000000000017 /* Gentle Rain.mp3 */,
13B07FB51A68108700A75B9A /* Images.xcassets */,
13B07FB61A68108700A75B9A /* Info.plist */,
13B07FB11A68108700A75B9A /* LaunchScreen.xib */,
@@ -1645,6 +1657,10 @@
13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
97D6EBB726C487DC002ADC8C /* ioslauncher.png in Resources */,
13B07FBD1A68108700A75B9A /* LaunchScreen.xib in Resources */,
NWCAUDIO0000000000000010 /* Soft Pulse.mp3 in Resources */,
NWCAUDIO0000000000000011 /* Fireplace.mp3 in Resources */,
NWCAUDIO0000000000000012 /* White Noise.mp3 in Resources */,
NWCAUDIO0000000000000013 /* Gentle Rain.mp3 in Resources */,
74F9D7F22AF33324007D44BF /* PPNeueMontreal-Medium.otf in Resources */,
74C5F97A2D5311BC003840C4 /* PPNeueMontreal-Bold.otf in Resources */,
74C5F97B2D5311BC003840C4 /* PPNeueMontreal-Book.otf in Resources */,
ios/zeus/Fireplace.mp3
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ios/zeus/Gentle Rain.mp3
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ios/zeus/NWCAudioKeepAlive.h
+21 -5
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@@ -4,12 +4,28 @@
/**
* NWCAudioKeepAlive
*
* Keeps the NWC relay connection alive in background by playing a looping
* ambient audio track via AVAudioPlayer with AVAudioSessionCategoryPlayback.
* The user can mute the audio; the session (and background entitlement) stays
* active regardless of the volume level.
*
* Exported methods (all return Promises):
* startAudioKeepAlive() → start session + begin playing current track
* stopAudioKeepAlive() → stop playback + deactivate session
* getStatus() → current status dict (no side-effects)
* getAvailableTracks() → [{index, name, isSelected}, ...]
* setTrack(index) → switch to track by index (live or deferred)
* nextTrack() → advance to next track (wraps)
* previousTrack() → go back to previous track (wraps)
* setMuted(muted) → mute/unmute volume (session stays alive)
*
* Emitted events (listen via NativeEventEmitter):
* - NWCAudioInterrupted Audio session was interrupted (e.g. phone call)
* - NWCAudioInterruptionEnded Audio interruption ended; session will resume
* - NWCAudioRouteChanged Audio output route changed
* - NWCAudioStatusUpdate Periodic heartbeat with uptime/background stats
* - NWCAudioSuspended App appears to be suspended despite audio session
* NWCAudioInterrupted Audio session interrupted (e.g. phone call)
* NWCAudioInterruptionEnded Interruption ended; session will resume
* NWCAudioRouteChanged Audio output route changed
* NWCAudioStatusUpdate Periodic heartbeat with uptime/background stats
* NWCAudioSuspended App appears suspended despite active session
* NWCAudioTrackChanged Track was switched; payload: {trackIndex, trackName}
*/
@interface NWCAudioKeepAlive : RCTEventEmitter <RCTBridgeModule>
ios/zeus/NWCAudioKeepAlive.m
+220 -134
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@@ -9,18 +9,24 @@ static NSString *const kEventInterruptionEnded = @"NWCAudioInterruptionEnded";
static NSString *const kEventRouteChanged = @"NWCAudioRouteChanged";
static NSString *const kEventStatusUpdate = @"NWCAudioStatusUpdate";
static NSString *const kEventSuspended = @"NWCAudioSuspended";
static NSString *const kEventTrackChanged = @"NWCAudioTrackChanged";
// How often (seconds) to emit a heartbeat status event while active
static const NSTimeInterval kStatusIntervalSeconds = 30.0;
// Silence buffer duration in seconds (short buffer looped forever)
static const double kSilentBufferDuration = 0.1;
static const double kSampleRate = 44100.0;
// Available ambient audio tracks bundled with the app
static NSArray<NSString *> *kAvailableTracks(void) {
return @[@"Soft Pulse", @"Fireplace", @"White Noise", @"Gentle Rain"];
}
@interface NWCAudioKeepAlive ()
@interface NWCAudioKeepAlive () <AVAudioPlayerDelegate>
@property (nonatomic, strong) AVAudioEngine *audioEngine;
@property (nonatomic, strong) AVAudioPlayerNode *playerNode;
@property (nonatomic, strong) AVAudioPlayer *audioPlayer;
// Track management
@property (nonatomic, copy) NSArray<NSString *> *trackNames;
@property (nonatomic, assign) NSInteger currentTrackIndex;
@property (nonatomic, assign) BOOL isMuted;
// Monitoring
@property (nonatomic, strong) NSDate *sessionStartTime;
@@ -53,7 +59,8 @@ RCT_EXPORT_MODULE();
kEventInterruptionEnded,
kEventRouteChanged,
kEventStatusUpdate,
kEventSuspended
kEventSuspended,
kEventTrackChanged,
];
}
@@ -69,11 +76,14 @@ RCT_EXPORT_MODULE();
- (instancetype)init {
if (self = [super init]) {
_isActive = NO;
_hasListeners = NO;
_disconnectCount = 0;
_iosVersion = [[UIDevice currentDevice] systemVersion];
_deviceModel = [self deviceModelIdentifier];
_isActive = NO;
_hasListeners = NO;
_disconnectCount = 0;
_trackNames = kAvailableTracks();
_currentTrackIndex = 0;
_isMuted = NO;
_iosVersion = [[UIDevice currentDevice] systemVersion];
_deviceModel = [self deviceModelIdentifier];
}
return self;
}
@@ -86,15 +96,15 @@ RCT_EXPORT_MODULE();
[timer invalidate];
});
}
[self teardownAudioEngine];
[self teardownAudioPlayer];
[self unregisterNotifications];
}
// ─── Public API ──────────────────────────────────────────────────────────────
/**
* Configures AVAudioSession with .playback category (mixWithOthers so we
* don't hijack Spotify etc.), builds an AVAudioEngine that loops a silent
* PCM buffer, and activates the session. Returns a status dict on resolve.
* Starts the AVAudioSession (.playback + mixWithOthers) and begins looping
* the currently selected ambient track. Returns a status dict on resolve.
*/
RCT_EXPORT_METHOD(startAudioKeepAlive:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
@@ -106,7 +116,7 @@ RCT_EXPORT_METHOD(startAudioKeepAlive:(RCTPromiseResolveBlock)resolve
NSError *error = nil;
// 1. Configure AVAudioSession
// 1. Configure AVAudioSession for background playback
AVAudioSession *session = [AVAudioSession sharedInstance];
BOOL ok = [session setCategory:AVAudioSessionCategoryPlayback
withOptions:AVAudioSessionCategoryOptionMixWithOthers
@@ -124,27 +134,25 @@ RCT_EXPORT_METHOD(startAudioKeepAlive:(RCTPromiseResolveBlock)resolve
return;
}
// 2. Build engine + silent buffer loop
if (![self setupAudioEngine:&error]) {
NSLog(@"[NWCAudio] engine setup failed: %@", error.localizedDescription);
// 2. Load and play the selected track
if (![self loadAndPlayTrackAtIndex:self.currentTrackIndex error:&error]) {
NSLog(@"[NWCAudio] Failed to load track: %@", error.localizedDescription);
[session setActive:NO error:nil];
reject(@"AUDIO_ENGINE_ERROR", @"Failed to set up audio engine", error);
reject(@"AUDIO_PLAYER_ERROR", @"Failed to load audio track", error);
return;
}
// 3. Register for system notifications
[self registerNotifications];
self.sessionStartTime = [NSDate date];
self.backgroundEnteredTime = nil;
self.isActive = YES;
self.sessionStartTime = [NSDate date];
self.backgroundEnteredTime = nil;
self.isActive = YES;
// 4. Start heartbeat timer (main thread for RunLoop compatibility)
// 4. Start heartbeat timer on main thread
dispatch_async(dispatch_get_main_queue(), ^{
[self.statusTimer invalidate];
if (!self.isActive) {
return;
}
if (!self.isActive) return;
__weak typeof(self) weakSelf = self;
self.statusTimer = [NSTimer scheduledTimerWithTimeInterval:kStatusIntervalSeconds
repeats:YES
@@ -153,12 +161,13 @@ RCT_EXPORT_METHOD(startAudioKeepAlive:(RCTPromiseResolveBlock)resolve
}];
});
NSLog(@"[NWCAudio] Started – iOS %@ on %@", self.iosVersion, self.deviceModel);
NSLog(@"[NWCAudio] Started – iOS %@ on %@ – track: %@",
self.iosVersion, self.deviceModel, self.trackNames[self.currentTrackIndex]);
resolve([self currentStatusDict]);
}
/**
* Stops the audio engine and deactivates the AVAudioSession.
* Stops playback and deactivates the AVAudioSession.
*/
RCT_EXPORT_METHOD(stopAudioKeepAlive:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
@@ -174,86 +183,156 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
resolve([self currentStatusDict]);
}
// ─── Audio engine ────────────────────────────────────────────────────────────
/**
* Returns the list of available ambient audio tracks.
*/
RCT_EXPORT_METHOD(getAvailableTracks:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
NSMutableArray *result = [NSMutableArray array];
for (NSInteger i = 0; i < self.trackNames.count; i++) {
[result addObject:@{
@"index": @(i),
@"name": self.trackNames[i],
@"isSelected": @(i == self.currentTrackIndex)
}];
}
resolve(result);
}
- (BOOL)setupAudioEngine:(NSError **)outError {
self.audioEngine = [[AVAudioEngine alloc] init];
self.playerNode = [[AVAudioPlayerNode alloc] init];
/**
* Selects a track by index and immediately switches to it if active.
*/
RCT_EXPORT_METHOD(setTrack:(NSInteger)index
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
if (index < 0 || index >= (NSInteger)self.trackNames.count) {
reject(@"INVALID_TRACK", @"Track index out of range", nil);
return;
}
[self.audioEngine attachNode:self.playerNode];
self.currentTrackIndex = index;
// Use stereo 44.1 kHz float format
AVAudioFormat *format = [[AVAudioFormat alloc]
initStandardFormatWithSampleRate:kSampleRate
channels:2];
if (!format) {
if (self.isActive) {
NSError *error = nil;
if (![self loadAndPlayTrackAtIndex:index error:&error]) {
reject(@"AUDIO_PLAYER_ERROR", @"Failed to switch audio track", error);
return;
}
}
[self safeEmit:kEventTrackChanged body:@{
@"trackIndex": @(index),
@"trackName": self.trackNames[index]
}];
resolve([self currentStatusDict]);
}
/**
* Advances to the next track (wraps around).
*/
RCT_EXPORT_METHOD(nextTrack:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
NSInteger next = (self.currentTrackIndex + 1) % self.trackNames.count;
[self setTrack:next resolver:resolve rejecter:reject];
}
/**
* Goes back to the previous track (wraps around).
*/
RCT_EXPORT_METHOD(previousTrack:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
NSInteger prev = (self.currentTrackIndex - 1 + self.trackNames.count) % self.trackNames.count;
[self setTrack:prev resolver:resolve rejecter:reject];
}
/**
* Mutes or unmutes the audio track. The session stays alive; only volume is 0.
*/
RCT_EXPORT_METHOD(setMuted:(BOOL)muted
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
self.isMuted = muted;
self.audioPlayer.volume = muted ? 0.0f : 1.0f;
NSLog(@"[NWCAudio] %@", muted ? @"Muted" : @"Unmuted");
resolve([self currentStatusDict]);
}
// ─── Audio player ────────────────────────────────────────────────────────────
- (BOOL)loadAndPlayTrackAtIndex:(NSInteger)index error:(NSError **)outError {
NSString *trackName = self.trackNames[index];
NSString *path = [[NSBundle mainBundle] pathForResource:trackName ofType:@"mp3"];
if (!path) {
if (outError) {
*outError = [NSError errorWithDomain:@"NWCAudioKeepAlive"
code:1
code:3
userInfo:@{NSLocalizedDescriptionKey:
@"Failed to create audio format"}];
[NSString stringWithFormat:@"Audio resource not found: %@.mp3", trackName]}];
}
NSLog(@"[NWCAudio] Resource not found: %@.mp3", trackName);
return NO;
}
NSURL *url = [NSURL fileURLWithPath:path];
// Stop and release the existing player
[self teardownAudioPlayer];
NSError *playerError = nil;
AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&playerError];
if (!player) {
if (outError) *outError = playerError;
NSLog(@"[NWCAudio] AVAudioPlayer init failed: %@", playerError.localizedDescription);
return NO;
}
player.numberOfLoops = -1; // infinite loop
player.volume = self.isMuted ? 0.0f : 1.0f;
player.delegate = self;
if (![player prepareToPlay]) {
if (outError) {
*outError = [NSError errorWithDomain:@"NWCAudioKeepAlive"
code:4
userInfo:@{NSLocalizedDescriptionKey:
@"AVAudioPlayer failed to prepare"}];
}
return NO;
}
[self.audioEngine connect:self.playerNode
to:self.audioEngine.mainMixerNode
format:format];
// Build a silent PCM buffer (zero-filled float samples)
AVAudioFrameCount frameCount = (AVAudioFrameCount)(kSampleRate * kSilentBufferDuration);
AVAudioPCMBuffer *silentBuffer = [[AVAudioPCMBuffer alloc]
initWithPCMFormat:format
frameCapacity:frameCount];
if (!silentBuffer) {
if (outError) {
*outError = [NSError errorWithDomain:@"NWCAudioKeepAlive"
code:2
userInfo:@{NSLocalizedDescriptionKey:
@"Failed to allocate PCM buffer"}];
}
return NO;
}
silentBuffer.frameLength = frameCount;
// Explicitly zero both channels (buffers may contain garbage memory)
for (AVAudioChannelCount ch = 0; ch < format.channelCount; ch++) {
memset(silentBuffer.floatChannelData[ch], 0,
frameCount * sizeof(float));
}
// Schedule the buffer for infinite looping before starting the engine
[self.playerNode scheduleBuffer:silentBuffer
atTime:nil
options:AVAudioPlayerNodeBufferLoops
completionHandler:nil];
// Keep at a near-zero but non-zero volume so iOS does not optimize away
// the audio engine (a true 0.0 can cause the engine to be suspended).
self.audioEngine.mainMixerNode.outputVolume = 0.001f;
NSError *startError = nil;
if (![self.audioEngine startAndReturnError:&startError]) {
if (outError) *outError = startError;
self.audioEngine = nil;
self.playerNode = nil;
return NO;
}
[self.playerNode play];
NSLog(@"[NWCAudio] Engine running – silent loop active");
[player play];
self.audioPlayer = player;
NSLog(@"[NWCAudio] Now playing: %@%@", trackName, self.isMuted ? @" (muted)" : @"");
return YES;
}
- (void)teardownAudioEngine {
if (self.playerNode.isPlaying) {
[self.playerNode stop];
- (void)teardownAudioPlayer {
if (self.audioPlayer.isPlaying) {
[self.audioPlayer stop];
}
if (self.audioEngine.isRunning) {
[self.audioEngine stop];
self.audioPlayer.delegate = nil;
self.audioPlayer = nil;
}
// ─── AVAudioPlayerDelegate ───────────────────────────────────────────────────
- (void)audioPlayerDecodeErrorDidOccur:(AVAudioPlayer *)player error:(NSError *)error {
NSLog(@"[NWCAudio] Decode error: %@", error.localizedDescription);
self.disconnectCount++;
self.lastDisconnectReason = @"decode_error";
[self safeEmit:kEventSuspended body:@{
@"reason": @"decode_error",
@"uptimeSeconds": @([self uptimeSeconds])
}];
}
- (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag {
// numberOfLoops = -1 means this should never fire, but guard against it
if (self.isActive) {
NSLog(@"[NWCAudio] Player finished unexpectedly – restarting");
[player play];
}
self.playerNode = nil;
self.audioEngine = nil;
}
// ─── Internal stop ───────────────────────────────────────────────────────────
@@ -269,7 +348,7 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
[timer invalidate];
});
[self teardownAudioEngine];
[self teardownAudioPlayer];
[self unregisterNotifications];
NSError *error = nil;
@@ -350,7 +429,7 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
NSLog(@"[NWCAudio] Interruption ended – shouldResume: %d", shouldResume);
if (shouldResume && self.isActive) {
[self resumeAudioEngine];
[self resumeAudioPlayer];
}
[self safeEmit:kEventInterruptionEnded body:@{
@@ -365,7 +444,7 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
AVAudioSessionRouteChangeReason reason =
(AVAudioSessionRouteChangeReason)reasonValue.unsignedIntegerValue;
NSString *reasonStr = [self routeChangeReasonString:reason];
NSString *reasonStr = [self routeChangeReasonString:reason];
NSString *currentOutput = [self currentAudioOutputDescription];
NSLog(@"[NWCAudio] Route changed: %@ → output: %@", reasonStr, currentOutput);
@@ -377,18 +456,18 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
}
- (void)handleMediaServerReset:(NSNotification *)notification {
NSLog(@"[NWCAudio] Media server reset – rebuilding engine");
NSLog(@"[NWCAudio] Media server reset – reloading player");
self.disconnectCount++;
self.lastDisconnectReason = @"media_server_reset";
if (self.isActive) {
[self teardownAudioEngine];
NSError *error = nil;
if (![self setupAudioEngine:&error]) {
NSLog(@"[NWCAudio] Failed to rebuild engine after reset: %@",
[[AVAudioSession sharedInstance] setActive:YES error:nil];
if (![self loadAndPlayTrackAtIndex:self.currentTrackIndex error:&error]) {
NSLog(@"[NWCAudio] Failed to rebuild player after reset: %@",
error.localizedDescription);
[self safeEmit:kEventSuspended body:@{
@"reason": @"media_server_reset_recovery_failed",
@"reason": @"media_server_reset_recovery_failed",
@"uptimeSeconds": @([self uptimeSeconds])
}];
}
@@ -397,9 +476,8 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
- (void)handleDidEnterBackground:(NSNotification *)notification {
self.backgroundEnteredTime = [NSDate date];
NSLog(@"[NWCAudio] App entered background – audio engine running: %d",
self.audioEngine.isRunning);
NSLog(@"[NWCAudio] App entered background – player playing: %d",
self.audioPlayer.isPlaying);
[self emitStatusUpdate:NO reason:@"entered_background"];
}
@@ -411,37 +489,41 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
bgDuration);
self.backgroundEnteredTime = nil;
// If the player was stopped while in background, restart it
if (self.isActive && !self.audioPlayer.isPlaying) {
NSError *error = nil;
[self loadAndPlayTrackAtIndex:self.currentTrackIndex error:&error];
}
[self emitStatusUpdate:NO reason:@"returned_to_foreground"];
}
// ─── Audio engine resume ─────────────────────────────────────────────────────
// ─── Audio player resume ─────────────────────────────────────────────────────
- (void)resumeAudioEngine {
if (self.audioEngine.isRunning) return;
- (void)resumeAudioPlayer {
if (self.audioPlayer.isPlaying) return;
NSError *error = nil;
// Re-activate session first
[[AVAudioSession sharedInstance] setActive:YES error:&error];
if (error) {
NSLog(@"[NWCAudio] Re-activate session error: %@", error.localizedDescription);
}
if (![self.audioEngine startAndReturnError:&error]) {
NSLog(@"[NWCAudio] Engine restart failed: %@", error.localizedDescription);
self.disconnectCount++;
self.lastDisconnectReason = @"engine_restart_failed";
[self safeEmit:kEventSuspended body:@{
@"reason": @"engine_restart_failed",
@"uptimeSeconds": @([self uptimeSeconds])
}];
return;
if (self.audioPlayer) {
[self.audioPlayer play];
NSLog(@"[NWCAudio] Player resumed");
} else {
// Player was deallocated – recreate it
if (![self loadAndPlayTrackAtIndex:self.currentTrackIndex error:&error]) {
NSLog(@"[NWCAudio] Player restart failed: %@", error.localizedDescription);
self.disconnectCount++;
self.lastDisconnectReason = @"player_restart_failed";
[self safeEmit:kEventSuspended body:@{
@"reason": @"player_restart_failed",
@"uptimeSeconds": @([self uptimeSeconds])
}];
}
}
if (!self.playerNode.isPlaying) {
[self.playerNode play];
}
NSLog(@"[NWCAudio] Engine resumed successfully");
}
// ─── Event helpers ───────────────────────────────────────────────────────────
@@ -470,15 +552,19 @@ RCT_EXPORT_METHOD(getStatus:(RCTPromiseResolveBlock)resolve
: 0;
return @{
@"isActive": @(self.isActive),
@"engineRunning": @(self.audioEngine.isRunning),
@"uptimeSeconds": @(uptime),
@"backgroundDuration": @(bgElapsed),
@"disconnectCount": @(self.disconnectCount),
@"lastDisconnectReason": self.lastDisconnectReason ?: @"none",
@"iosVersion": self.iosVersion ?: @"unknown",
@"deviceModel": self.deviceModel ?: @"unknown",
@"currentOutput": [self currentAudioOutputDescription]
@"isActive": @(self.isActive),
@"playerPlaying": @(self.audioPlayer.isPlaying),
@"isMuted": @(self.isMuted),
@"currentTrackIndex": @(self.currentTrackIndex),
@"currentTrackName": self.trackNames[self.currentTrackIndex],
@"availableTracks": self.trackNames,
@"uptimeSeconds": @(uptime),
@"backgroundDuration": @(bgElapsed),
@"disconnectCount": @(self.disconnectCount),
@"lastDisconnectReason": self.lastDisconnectReason ?: @"none",
@"iosVersion": self.iosVersion ?: @"unknown",
@"deviceModel": self.deviceModel ?: @"unknown",
@"currentOutput": [self currentAudioOutputDescription]
};
}
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