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2014/10/15 ¤U¤È 10:12:58
iphone Programming Glossary: propertysizeSpeakHere sample can't play sound which loads from internet http://stackoverflow.com/questions/293929/speakhere-sample-cant-play-sound-which-loads-from-internet buffer allocation failed. And that because in AudioFileGetProperty audioFileID kAudioFilePropertyPacketSizeUpperBound propertySize maxPacketSize The maxPacketSize returned is 806128768. I am wondering how to make AudioFileGetProperty work. My sound file..
Detecting iPhone/iPod Touch Accessories http://stackoverflow.com/questions/667196/detecting-iphone-ipod-touch-accessories and get the value of kAudioSessionProperty_AudioInputAvailable. AudioSessionInitialize NULL NULL NULL NULL UInt32 propertySize micConnected AudioSessionGetProperty kAudioSessionProperty_AudioInputAvailable propertySize micConnected self updateMicStatus.. NULL NULL NULL NULL UInt32 propertySize micConnected AudioSessionGetProperty kAudioSessionProperty_AudioInputAvailable propertySize micConnected self updateMicStatus micConnected user created method According to the docs for Audio Session Services this..
Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working? http://stackoverflow.com/questions/6901363/detecting-the-iphones-ring-silent-mute-switch-using-avaudioplayer-not-worki If so on what kind of device and SDK version I'm calling it like so BOOL deviceIsSilenced CFStringRef state UInt32 propertySize sizeof CFStringRef OSStatus audioStatus AudioSessionGetProperty kAudioSessionProperty_AudioRoute &propertySize &state if.. UInt32 propertySize sizeof CFStringRef OSStatus audioStatus AudioSessionGetProperty kAudioSessionProperty_AudioRoute &propertySize &state if audioStatus kAudioSessionNoError NSLog @ audio route @ state Speaker regardless of silent switch setting but Headphone..
Check if iPad is in silent mode [duplicate] http://stackoverflow.com/questions/7546582/check-if-ipad-is-in-silent-mode mode is on it works as expected 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.. sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize state if CFStringGetLength state 0 UIAlertView alert UIAlertView alloc initWithTitle @ Silent mode message @ Please turn..
http://stackoverflow.com/questions/7798891/detect-silent-mode-in-ios5 return NO in simulator. Code causes crashes for some reason. return NO #endif CFStringRef state UInt32 propertySize sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize.. sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize state if CFStringGetLength state 0 return NO else return YES This is no longer working in iOS5 on my iPad or iPhone. Is..
How to detect iphone is on silent mode http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode support the test and the code 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..
Use built-in mic if Headset is plugged in http://stackoverflow.com/questions/9029442/use-built-in-mic-if-headset-is-plugged-in is plugged in. I'm able to detect 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.. sizeof CFStringRef AudioSessionInitialize NULL NULL NULL NULL AudioSessionGetProperty kAudioSessionProperty_AudioRoute propertySize route if route NULL CFStringGetLength route 0 Silent Mode NSLog @ AudioRoute SILENT else NSString routeStr NSString route..
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