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ios - AVAudioPlayer initWithContentsOfURL returns nil for ...
https://stackoverflow.com/questions/20104398/avaudioplayer-initwithcontentsofurl-returns-nil-for-aac-m4a-files
It plays fine for MP3 files, but when I try to play an AAC file, the [ [AVAudioPlayer alloc] initWithContentsOfURL:] returns nil and I get the following error: Error Domain=NSOSStatusErrorDomain Code=1937337955 "The operation couldn’t be completed. (OSStatus error 1937337955.)" The audio file plays fine on Mac and iPhone (when I email it to …
ios - AVAudioPlayer initWithData returning nil - Stack ...
https://stackoverflow.com/questions/24140566/avaudioplayer-initwithdata-returning-nil
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AVAudioPlayer cannot play music with a NSTimer in background
https://www.py4u.net/discuss/2784061
Answer #2: before going to code. you need to tell the OS that you want permission to play music in background. you can do that by setting a Key in your app's info.plist. <key> UIBackgroundModes </key> <array> <string> audio </string> </array>. doing so, you will be able to play audio when app moves to background.
iOS AVAudioPlayer(音频播放) - 简书 - jianshu.com
https://www.jianshu.com/p/b6696495504b
iOS AVAudioPlayer(音频播放) AVAudioPlayer. 在iOS程序中，音频播放随处可见，有的声音只有1秒，有的声音好几分钟 。iOS支持的音频格式AAC、ALAC、IMA4、linear、MP3。 AVAudioPlayer类用于回放音频数据。是一个易于使用的类，它提供了大量的功能。
AVAudioPlayer_MeteoriteMan的博客-程序员秘密 - 程序员秘密
https://cxymm.net/article/qq_18683985/99008013
React Native打包安卓不符合谷歌play关于提供64位版本应用的规定1，解决方案:在ndk后面加入"arm64-v8a", "x86_64"(如果可以的话，就不必往下看了)2，在我这里，上一步实施后能通过谷歌市场的校验，但是运行app会报错：libgnustl_shared.so is 32-bit instead of 64-bit3，最终解决方案：通过apktool解码打包好的apk...
AVAudioPlayerが応答しない - stackfinder.jp.net
https://stackfinder.jp.net/questions/1198149/avaudioplayer-not-responding
NSString* path = [[NSBundle mainBundle] pathForResource:@"foo" ofType:@"wav"]; AVAudioPlayer* player =[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:nil]; //Returned object not nil, indicating that the file has loaded successfully BOOL b = [player prepareToPlay]; //returns TRUE BOOL b2 = [player play]; //returns …
AVFoundation（一）---AVAudioPlayer - 编程猎人
https://www.programminghunter.com/article/6644246250/
AVFoundation（一）---AVAudioPlayer，编程猎人，网罗编程知识和经验分享，解决编程疑难杂症。
iOS--播放声音（AVAudioPlayer）、录音（AVAudioRecorder）_转 …
https://cxymm.net/article/u010165653/41750771
iOS--播放声音（AVAudioPlayer）、录音（AVAudioRecorder）_转身扭到脖子的专栏-程序员秘密. 技术标签： iOS--UI
iOS - AVAudioPlayer 音频播放 - 编程猎人
https://www.programminghunter.com/article/3249513394/
// 获取当前音乐文件的数据 /* 音乐文件播放控件由 data 创建，returns nil if object was not created with a data object */ let currentMusicData = musicPlayer.data // 设置声道 /* -1.0：左声道, 0.0：左右声道（默认）, 1.0：右声道 */ musicPlayer.pan = 1.0 // 设置音量 /* 音量范围是 0.0 ~ 1.0，默 ...
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