Avaudiosession addobserver 4 days ago · How to Fix AVAudioSession Error: Deactivating an Audio Session with Running I/O (NSOSStatusErrorDomain Code 560030580) If you’re developing an iOS or macOS app that handles audio—whether it’s playback, recording, or voice processing—you’ve likely encountered AVAudioSession. Aug 28, 2016 · I'm using AVAudioSession to get info about route changes - [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(currentRouteChange The 'notification' parameter to the callback contains extra information that is specific to the notification type. addObserver (self, selector: #selector (audioRouteChangeListener (_:)), name: AVAudioSession. duckOthers, . addObserver(forName: . [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioRouteChangeListenerCallback:) name:AVAudioSessionRouteChangeNotification object:[AVAudioSession sharedInstance]]; AVPlayer observeValueForKeyPath ios5 avplayer avaudiosession addobserver Sangram Shivankar 3,573 modified Oct 21, 2016 at 21:49 votes 2 2kviews uitableview nsnotificationcenter CatVsDogs 374 answered Sep 29, 2016 at 13:22 votes views Feb 15, 2025 · Swift 2 addObserver for specific textField with the object parameter To my understanding the object parameter of the addObserver method is the object you want to receive notifications from. ObserveAvailableInputsChange helper method instead. Constants that describe the options to pass when activating the audio session. setPreferredInput method doesn't work. Mar 30, 2022 · My other app, BackgroundPlayer, is well behaved. //but what I need is the notification of the change of volume print ("view will appear ,this volume is \ (audioSession Feb 12, 2015 · Using the second method, the value of the key path should be "outputVolume". outputV Apr 23, 2024 · Learn how to seamlessly manage audio input device switches in AVAudioSession for enhanced user experience. setCategory (. For example, AVPlayer monitors your app’s audio session and automatically pauses playback in response to interruption events. It might be valid in some cases (as the Video Player requests it), but it means Unity initializes the OS Audio with default values before any other piece of code can be ran. Expert tips and insights inside! Notification constant for SpatialPlaybackCapabilitiesChanged May 6, 2020 · I am trying to show a volume indicator in my app, but first I need to monitor the systems current volume. routeChangeNotification, object: AVAudioSession. setActive (true, options: []) } catch { print ("error") } // this print shows, got the current volume. object as? AVPlayerItem, AVPlayer observeValueForKeyPath I have an audio app that plays stream content. Currently when I launch my UE4 iOS apps, that app causes all currently playing audio to stop. Oct 7, 2020 · Both addObserver and removeObserver are tied to the plugin instance. allowBluetoothA2DP]) NotificationCenter. This change remains iOS音量调节那些事 因为项目需求需要通过调节手机音量键调节远程硬件设备音量，所以对iOS系统音量事件做了一些研究，也尝试了网上的一些方法，所以记录一些所见所得: 1. How do I handle this when an incoming call comes? Oct 4, 2017 · I have 1 controller. They all look similar. You can try signing in or changing directories. options An integer bit mask containing one or more constants from the AVAudioSession. To replace the functionality provided by deprecated AudioSessionInitialize (e. So why it happened and how could I resume playing after interruptions (I used AudioQueue to play or record instead of AVAudioPlayer)? Feb 4, 2015 · I'm trying to play sounds on my app at the same time I play other applications music, like Spotify. Works on iOS 12 and above private func setupPlayInBackground() { NotificationCenter. May 30, 2023 · I'm using AVAudioSession. AVAudioSession. g when music starts playing). I tried ios5 audio-streaming avplayer avaudiosession addobserver Patrice Cote asked Aug 1, 2012 at 20:44 1vote 2answers 2kviews Swift – Hacking with Swift forumsSAVE 50% All our books and bundles are half price for Black Friday, so you can take your Swift knowledge further for less! Get my all-new book Everything but the Code to make more money with apps, get the Swift Power Pack to build your iOS career faster, get the Swift Platform Pack to builds apps for macOS, watchOS, and beyond, or get the Swift Plus Pack to Dec 13, 2024 · 官方原文链接 响应线路的更改(Responding to Route Changes)在应用运行期间，用户可能会插入或者拔出耳机，或者使用带有音频连接的扩展坞。iOS人机界面指南描述了应用应该如何响应此类事件。为了实现这些建议，需要编写audio sessioin代码来处理音频硬件线路的更改。某些类型的应用（例如游戏）并不 Oct 14, 2015 · AVAudioSession - Requesting Audio Session Preferences Q: Can I set a preferred value for an AVAudioSession 's buffer duration or sample rate at any time? Aug 6, 2013 · [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioSessionInterruption:) name:AVAudioSessionInterruptionNotification object:nil]; and outside the application launching method, implement the selector as Oct 4, 2014 · So I have a music app that uses an AVAudioSession to allow it to play when it is in the background. vdumlf vcuqkqe mpjngy eublgy ccvpq xhzs iboud jaaty hpkrc fadey dyf fbwfujtk xxxogm idton vsvdbcw