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iphone - Linker Error OBJC_CLASS_$_AVAudioPlayer" - …
https://stackoverflow.com/questions/14116945/linker-error-objc-class-avaudioplayer
[Error: objc-class-ref in ViewController.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation)] I am running an application which will produce sound after button is clicked , I have included all the framework for audio after seeing the error
Apple Developer Documentation
https://developer.apple.com/documentation/avfaudio/avaudioplayer
class AVAudioPlayer: NSObject. Overview. Use an audio player to: Play audio of any duration from a file or buffer. Control the volume, panning, rate, and looping behavior of the played audio. Access playback-level metering data. Play multiple sounds simultaneously by synchronizing the playback of multiple players.
Undefined symbols for architecture x86_64: “_OBJC_CLASS ...
https://www.codetd.com/article/11963327
从错误信息的""_OBJC_CLASS_$ _AVAudioPlayer ",referenced from:"能够看出,是缺少_AVAudioPlayer 文件（或者库 ）的引用; 解决方法:在Build Phases-->CompileSources(items)中,添加报错的.m文件,点左下角的"+",在弹出框中找到报错的.m文件,选中add,添加漏掉的.m文件。
AVAudioPlayer play() method play a… | Apple Developer …
https://developer.apple.com/forums/thread/687919
Hi, I am trying to implement outgoing call ringtone in swift 5.0 where I am using AVAudioPlayer. I have loaded the audio file (mp3), set numberOfLoops to -1 and called prepareToPlay () in init () of my class. Checked PrepareToPlay () method returns true. When calling play (), it play the ringtone for one sec and stopped (even thought the ...
Play Music with AVAudioPlayer iOS Tutorial - iOScreator
https://www.ioscreator.com/tutorials/play-music-avaudioplayer-ios-tutorial
The AVAudioPlayer class provides playback of audio data. In this tuturial a music file will be played, paused and stopped. Furthermore, the track title and playing time will be displayed. This tutorial is made with Xcode 10 and built for iOS 12. Open Xcode and create a new Single View App.
Apple Developer Documentation
https://developer.apple.com/documentation/avfaudio/avaudioplayerdelegate
A protocol that defines the methods to respond to audio playback events and decoding errors.
Using Audio - Apple Developer
https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
The AVAudioPlayer class lets you play sound in any audio format available in iOS, as described in Table 1-1. For a complete description of this class’s interface, see AVAudioPlayer Class Reference. To configure an audio player: Assign a sound file to the audio player.
AVAudioPlayer Constructor (AVFoundation) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/avfoundation.avaudioplayer.-ctor
AVAudioPlayer(NSObjectFlag) Constructor to call on derived classes to skip initialization and merely allocate the object. AVAudioPlayer(IntPtr) A constructor used when creating managed representations of unmanaged objects; Called by the runtime. AVAudioPlayer(NSData, String, NSError) AVAudioPlayer(NSUrl, String, NSError)
Playing Audio on iOS 10 using AVAudioPlayer - Techotopia
https://www.techotopia.com/index.php/Playing_Audio_on_iOS_8_using_AVAudioPlayer
This chapter will provide an overview of audio playback using the AVAudioPlayer class. Once the basics have been covered, a tutorial is worked through step by step. The topic of recording audio from within an iOS application is covered in the next chapter entitled Recording Audio on iOS 10 with AVAudioRecorder.
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