引言

I、 判断是否插了耳机

/**
 
 1. AudioToolBox中的AudioSession
 2. AVFoundation中的AVAudioSession
 
 //AVAudioSession的AudioRouteChangeReason枚举
 typedef NS_ENUM(NSUInteger, AVAudioSessionRouteChangeReason)
 {
   AVAudioSessionRouteChangeReasonUnknown = 0,
   AVAudioSessionRouteChangeReasonNewDeviceAvailable = 1,
   AVAudioSessionRouteChangeReasonOldDeviceUnavailable = 2,
   AVAudioSessionRouteChangeReasonCategoryChange = 3,
   AVAudioSessionRouteChangeReasonOverride = 4,
   AVAudioSessionRouteChangeReasonWakeFromSleep = 6,
   AVAudioSessionRouteChangeReasonNoSuitableRouteForCategory = 7,
   AVAudioSessionRouteChangeReasonRouteConfigurationChange NS_ENUM_AVAILABLE_IOS(7_0) = 8
 }
 
 
 //AudioSession的AudioRouteCh
  

 

  
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文章来源: kunnan.blog.csdn.net，作者：iOS逆向，版权归原作者所有，如需转载，请联系作者。

原文链接：kunnan.blog.csdn.net/article/details/115552577