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2014/10/15 ¤U¤È 10:14:14
iphone Programming Glossary: sizeofBest way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string str NSMutableString stringWithCapacity 64 int length deviceToken length char bytes malloc sizeof char length deviceToken getBytes bytes length length for int i 0 i length i str appendFormat @ 02.2hhX..
Types in objective-c on iPhone http://stackoverflow.com/questions/2107544/types-in-objective-c-on-iphone or run this code 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The.. @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The.. char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long is d. sizeof long long..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch kAudioSessionCategory_AmbientSound if AudioSessionSetProperty kAudioSessionProperty_AudioCategory sizeof ambient ambient NSLog @ Error could not set Session property to ambient. share improve this answer..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework to get this maybe look up COMPLEX_SPLIT in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated... in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated. note that if you are doing this in..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray.. size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone vector dummy in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The openssl..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset size.height AVVideoHeightKey nil AudioChannelLayout channelLayout memset channelLayout 0 sizeof AudioChannelLayout channelLayout.mChannelLayoutTag kAudioChannelLayoutTag_Stereo NSDictionary audioSettings.. NSNumber numberWithInt 192000 AVEncoderBitRateKey NSData dataWithBytes channelLayout length sizeof AudioChannelLayout AVChannelLayoutKey nil AVAssetWriterInput videoWriterInput AVAssetWriterInput ..
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 and SDK version I'm calling it like so BOOL deviceIsSilenced CFStringRef state UInt32 propertySize sizeof CFStringRef OSStatus audioStatus AudioSessionGetProperty kAudioSessionProperty_AudioRoute &propertySize..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone mach mach.h ... void report_memory void struct task_basic_info info mach_msg_type_number_t size sizeof info kern_return_t kerr task_info mach_task_self TASK_BASIC_INFO task_info_t info size if kerr..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray.. size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1..
How to detect iphone is on silent mode http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode 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..
Best way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string it. NSString serializeDeviceToken NSData deviceToken NSMutableString str NSMutableString stringWithCapacity 64 int length deviceToken length char bytes malloc sizeof char length deviceToken getBytes bytes length length for int i 0 i length i str appendFormat @ 02.2hhX bytes i free bytes return str Thanks for your inputs. thomas..
Types in objective-c on iPhone http://stackoverflow.com/questions/2107544/types-in-objective-c-on-iphone programming_languages objective c types.html or run this code 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long.. objective c types.html or run this code 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long is d. sizeof long long NSLog @ The size.. 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long is d. sizeof long long NSLog @ The size of a unsigned char is d. sizeof unsigned char..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework nOver2 n 2 elts You would really need to look at how A is allocated to get this maybe look up COMPLEX_SPLIT in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated. note that if you are doing this in real code you probably.. look at how A is allocated to get this maybe look up COMPLEX_SPLIT in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated. note that if you are doing this in real code you probably want to do this once when the app loads..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad size if newprocess if process free process return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString.. return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString processID NSString alloc initWithFormat @ d..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone bug in it... . The iPhone code uses 0 for IV. Initialization vector dummy in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The openssl output is more secure since it is prepending a random initialization..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset numberWithInt size.width AVVideoWidthKey NSNumber numberWithInt size.height AVVideoHeightKey nil AudioChannelLayout channelLayout memset channelLayout 0 sizeof AudioChannelLayout channelLayout.mChannelLayoutTag kAudioChannelLayoutTag_Stereo NSDictionary audioSettings NSDictionary dictionaryWithObjectsAndKeys NSNumber.. NSNumber numberWithInt 1 AVNumberOfChannelsKey NSNumber numberWithInt 192000 AVEncoderBitRateKey NSData dataWithBytes channelLayout length sizeof AudioChannelLayout AVChannelLayoutKey nil AVAssetWriterInput videoWriterInput AVAssetWriterInput assetWriterInputWithMediaType AVMediaTypeVideo outputSettings..
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 used this method successfully 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 audioStatus kAudioSessionNoError NSLog @ audio..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone to give you a much better picture of usage over all. #import mach mach.h ... void report_memory void struct task_basic_info info mach_msg_type_number_t size sizeof info kern_return_t kerr task_info mach_task_self TASK_BASIC_INFO task_info_t info size if kerr KERN_SUCCESS NSLog @ Memory in use in bytes u info.resident_size..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a size if newprocess if process free process return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString.. return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString processID NSString alloc initWithFormat @ d..
How to detect iphone is on silent mode http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode that the simulator does not 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 propertySize state if status kAudioSessionNoError..
Best way to serialize a NSData into an hexadeximal string http://stackoverflow.com/questions/1305225/best-way-to-serialize-a-nsdata-into-an-hexadeximal-string deviceToken NSMutableString str NSMutableString stringWithCapacity 64 int length deviceToken length char bytes malloc sizeof char length deviceToken getBytes bytes length length for int i 0 i length i str appendFormat @ 02.2hhX bytes i free bytes..
Types in objective-c on iPhone http://stackoverflow.com/questions/2107544/types-in-objective-c-on-iphone objective c types.html or run this code 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d... 32 bit process NSLog @ Primitive sizes NSLog @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long.. @ The size of a char is d. sizeof char NSLog @ The size of short is d. sizeof short NSLog @ The size of int is d. sizeof int NSLog @ The size of long is d. sizeof long NSLog @ The size of long long is d. sizeof long long NSLog @ The size of..
How to programmatically sense the iPhone mute switch? http://stackoverflow.com/questions/287543/how-to-programmatically-sense-the-iphone-mute-switch
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework look at how A is allocated to get this maybe look up COMPLEX_SPLIT in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated. note that if.. maybe look up COMPLEX_SPLIT in the documentation. A.realp float malloc nOver2 sizeof float A.imagp float malloc nOver2 sizeof float Next it pre calculates everything that can be precalculated. note that if you are doing this in real code you probably..
Can we retrieve the applications currently running in iPhone and iPad http://stackoverflow.com/questions/4312613/can-we-retrieve-the-applications-currently-running-in-iphone-and-ipad return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init.. mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString processID..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone 0 for IV. Initialization vector dummy in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The openssl output is more..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset NSNumber numberWithInt size.height AVVideoHeightKey nil AudioChannelLayout channelLayout memset channelLayout 0 sizeof AudioChannelLayout channelLayout.mChannelLayoutTag kAudioChannelLayoutTag_Stereo NSDictionary audioSettings NSDictionary.. AVNumberOfChannelsKey NSNumber numberWithInt 192000 AVEncoderBitRateKey NSData dataWithBytes channelLayout length sizeof AudioChannelLayout AVChannelLayoutKey nil AVAssetWriterInput videoWriterInput AVAssetWriterInput assetWriterInputWithMediaType..
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 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 audioStatus..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone over all. #import mach mach.h ... void report_memory void struct task_basic_info info mach_msg_type_number_t size sizeof info kern_return_t kerr task_info mach_task_self TASK_BASIC_INFO task_info_t info size if kerr KERN_SUCCESS NSLog..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a return nil process newprocess st sysctl mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init.. mib miblen process size NULL 0 while st 1 errno ENOMEM if st 0 if size sizeof struct kinfo_proc 0 int nprocess size sizeof struct kinfo_proc if nprocess NSMutableArray array NSMutableArray alloc init for int i nprocess 1 i 0 i NSString processID..
How to detect iphone is on silent mode http://stackoverflow.com/questions/833304/how-to-detect-iphone-is-on-silent-mode 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..
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