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2014/10/15 ¤U¤È 10:04:29

iphone Programming Glossary: avsystemcontroller_systemvolumedidchangenotification

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

NSNotificationCenter defaultCenter notificationCenter addObserver self selector @selector volumeChanged name @ AVSystemController_SystemVolumeDidChangeNotification object nil This should notify my method volumeChanged of any SystemVolume changes but it doesn't actually do so. Since.. NSDictionary launchOptions NSNotificationCenter defaultCenter addObserver self selector @selector volumeChanged name @ AVSystemController_SystemVolumeDidChangeNotification object nil void volumeChanged NSNotification notification float volume notification userInfo objectForKey @ AVSystemController_AudioVolumeNotificationParameter..

iPhone SDK 4 - How to programmatically detect volume hardware button press?

http://stackoverflow.com/questions/3722239/iphone-sdk-4-how-to-programmatically-detect-volume-hardware-button-press

Check if iPad is in silent mode [duplicate]

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

volumeViewSlider view NSNotificationCenter defaultCenter addObserver self selector @selector volumeChanged name @ AVSystemController_SystemVolumeDidChangeNotification object nil void volumeChanged NSNotification notify volumeViewSlider setValue notify userInfo objectForKey @ AVSystemController_AudioVolumeNotificationParameter..

program access to iPhone volume buttons

http://stackoverflow.com/questions/772832/program-access-to-iphone-volume-buttons

view addSubview volume NSNotificationCenter defaultCenter addObserver self selector @selector volumeChanged name @ AVSystemController_SystemVolumeDidChangeNotification object nil for UIView view in volume subviews if view class description isEqualToString @ MPVolumeSlider volumeViewSlider..

How to implement a volume key shutter for iPhone?

http://stackoverflow.com/questions/8397170/how-to-implement-a-volume-key-shutter-for-iphone

NSNotificationCenter ... NSNotificationCenter defaultCenter addObserver self selector @selector volumeChanged name @ AVSystemController_SystemVolumeDidChangeNotification object nil ... void volumeChanged NSNotification notification self takePhoto However it has 2 issues There is an semi transparent.. good part is this ugly hack uses NO private APIs. Another note is it only works for ios5 anyway for my issue since the AVSystemController_SystemVolumeDidChangeNotification only works for ios5 so this UGLY hack just fits my issue. The way it work act as a music movie player app and let the volume..