2014/10/15 下午 10:04:14

iphone Programming Glossary: audiosessioninitialize

How to Play a sound using AVAudioPlayer when in Silent Mode in iPhone

http://stackoverflow.com/questions/10322040/how-to-play-a-sound-using-avaudioplayer-when-in-silent-mode-in-iphone

then it sort of makes sense that the user would want to hear the audio even with the ring silent switch enabled . AudioSessionInitialize NULL NULL NULL NULL AudioSessionSetActive true Allow playback even if Ring Silent switch is on mute UInt32 sessionCategory..

iOS use the volume buttons as input

http://stackoverflow.com/questions/10458438/ios-use-the-volume-buttons-as-input

question See the Audio Session Services References for more details but basically you start an audio session with AudioSessionInitialize . Then you make it active with AudioSessionSetActive . Then listen for changes in the volume with AudioSessionAddPropertyListener..

how to resume recording after interruption occured in iphone?

http://stackoverflow.com/questions/1706064/how-to-resume-recording-after-interruption-occured-in-iphone

iphone, how to play sound even in silent or mute mode?

http://stackoverflow.com/questions/2749066/iphone-how-to-play-sound-even-in-silent-or-mute-mode

is it possible Thanks again I have attached the code as follows please check which step is wrong .thanks. @step AudioSessionInitialize NULL NULL NULL NULL AudioSessionSetActive true UInt32 sessionCategory kAudioSessionCategory_MediaPlayback OSStatus error.. app ignore the ring silent switch settings you could try changing the category #import AudioToolbox AudioToolbox.h AudioSessionInitialize NULL NULL NULL NULL AudioSessionSetActive true UInt32 sessionCategory kAudioSessionCategory_MediaPlayback AudioSessionSetProperty..

How to programmatically sense the iPhone mute switch?

http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch

session if gAudioSessionInited AudioSessionInterruptionListener inInterruptionListener NULL OSStatus error if error AudioSessionInitialize NULL NULL inInterruptionListener NULL NSLog @ Error error in AudioSessionInitialize d. error else gAudioSessionInited.. NULL OSStatus error if error AudioSessionInitialize NULL NULL inInterruptionListener NULL NSLog @ Error error in AudioSessionInitialize d. error else gAudioSessionInited YES SInt32 ambient kAudioSessionCategory_AmbientSound if AudioSessionSetProperty kAudioSessionProperty_AudioCategory..

How to get audio volume level, and volume changed notifications on iOS 4?

http://stackoverflow.com/questions/3651252/how-to-get-audio-volume-level-and-volume-changed-notifications-on-ios-4

which should work like this Registering for Volume Change notifications AudioSessionInitialize NULL NULL NULL NULL returnvalue AudioSessionAddPropertyListener kAudioSessionProperty_CurrentHardwareOutputVolume audioVolumeChangeListenerCallback.. work for me. Another way I have tried is to register at NSNotificationCenter like this. sharedAVSystemController AudioSessionInitialize NULL NULL NULL NULL NSNotificationCenter notificationCenter NSNotificationCenter defaultCenter notificationCenter addObserver..

Detecting iPhone/iPod Touch Accessories

http://stackoverflow.com/questions/667196/detecting-iphone-ipod-touch-accessories

objective c ipod touch share improve this question Finally found it After initializing the Audio Session object AudioSessionInitialize you can make a call to AudioSessionGetProperty and get the value of kAudioSessionProperty_AudioInputAvailable. AudioSessionInitialize.. you can make a call to AudioSessionGetProperty and get the value of kAudioSessionProperty_AudioInputAvailable. AudioSessionInitialize NULL NULL NULL NULL UInt32 propertySize micConnected AudioSessionGetProperty kAudioSessionProperty_AudioInputAvailable propertySize..

Check if iPad is in silent mode [duplicate]

http://stackoverflow.com/questions/7546582/check-if-ipad-is-in-silent-mode

on the iPhone but on the iPad it returns speaker regardless. CFStringRef state UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize state if CFStringGetLength state..

Detect Silent mode in iOS5?

http://stackoverflow.com/questions/7798891/detect-silent-mode-in-ios5

Code causes crashes for some reason. return NO #endif CFStringRef state UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize state if CFStringGetLength state..

Detecting iPhone mute switch in iOS 5

http://stackoverflow.com/questions/8158087/detecting-iphone-mute-switch-in-ios-5

session if gAudioSessionInited AudioSessionInterruptionListener inInterruptionListener NULL OSStatus error if error AudioSessionInitialize NULL NULL inInterruptionListener NULL NSLog @ Error error in AudioSessionInitialize d. error else gAudioSessionInited YES.. NULL OSStatus error if error AudioSessionInitialize NULL NULL inInterruptionListener NULL NSLog @ Error error in AudioSessionInitialize d. error else gAudioSessionInited YES SInt32 ambient kAudioSessionCategory_AmbientSound if AudioSessionSetProperty kAudioSessionProperty_AudioCategory..

How to detect iphone is on silent mode

http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode

does not check for errors. Corrected code would look like CFStringRef state nil UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL OSStatus status AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize state if status..

Use built-in mic if Headset is plugged in

http://stackoverflow.com/questions/9029442/use-built-in-mic-if-headset-is-plugged-in

already if headset is plugged in using the following code. CFStringRef route UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize route if route NULL CFStringGetLength..

How do I start playing audio when in silent mode & locked in iOS 6?

http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6

silent starting the app back up to play the audio or some other method Current Methods Implemented AVAudioPlayer using AudioSessionInitialize nil nil nil nil AudioSessionSetActive YES UInt32 sessionCategory kAudioSessionCategory_MediaPlayback AudioSessionSetProperty..