判断设备是否插入耳机

判断设备是否插入耳机

//获取设备状态，是否插入耳机，如果插入耳机，则返回“YES" BY Leisure

+ (BOOL)isHeadphone

{

UInt32 propertySize = sizeof(CFStringRef);

CFStringRef state = nil;

AudioSessionGetProperty(kAudioSessionProperty_AudioRoute

,&propertySize,&state);

//return @"Headphone" or @"Speaker" and so on.

//根据状态判断是否为耳机状态

if ([(NSString *)state isEqualToString:@"Headphone"] ||[(NSString *)state isEqualToString:@"HeadsetInOut"])

{

return YES;

}

else {

return NO;

}

}