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2014/10/15 ¤U¤È 10:10:04

iphone Programming Glossary: hexstring

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

const unsigned char self bytes if dataBuffer return NSString string NSUInteger dataLength self length NSMutableString hexString NSMutableString stringWithCapacity dataLength 2 for int i 0 i dataLength i hexString appendString NSString stringWithFormat.. self length NSMutableString hexString NSMutableString stringWithCapacity dataLength 2 for int i 0 i dataLength i hexString appendString NSString stringWithFormat @ 02lx unsigned long dataBuffer i return NSString stringWithString hexString @end.. i hexString appendString NSString stringWithFormat @ 02lx unsigned long dataBuffer i return NSString stringWithString hexString @end Usage NSData someData ... NSString someDataHexadecimalString someData hexadecimalString This is probably better than..

How to convert an NSString to hex values

http://stackoverflow.com/questions/3056757/how-to-convert-an-nsstring-to-hex-values

NSString str NSUInteger len str length unichar chars malloc len sizeof unichar str getCharacters chars NSMutableString hexString NSMutableString alloc init for NSUInteger i 0 i len i hexString appendString NSString stringWithFormat @ x chars i free.. unichar str getCharacters chars NSMutableString hexString NSMutableString alloc init for NSUInteger i 0 i len i hexString appendString NSString stringWithFormat @ x chars i free chars return hexString autorelease @end iphone objective c share.. alloc init for NSUInteger i 0 i len i hexString appendString NSString stringWithFormat @ x chars i free chars return hexString autorelease @end iphone objective c share improve this question For these lines of Java utf8 s.getBytes ENCODING_UTF8..

How to convert HEX RGB color codes to UIColor?

http://stackoverflow.com/questions/3805177/how-to-convert-hex-rgb-color-codes-to-uicolor

uicolor share improve this question In some code of mine I use 2 different functions void SKScanHexColor NSString hexString float red float green float blue float alpha NSString cleanString hexString stringByReplacingOccurrencesOfString @ # withString.. functions void SKScanHexColor NSString hexString float red float green float blue float alpha NSString cleanString hexString stringByReplacingOccurrencesOfString @ # withString @ if cleanString length 3 cleanString NSString stringWithFormat @ @.. 8 0xFF 255.0f if alpha alpha baseValue 0 0xFF 255.0f And then I use it like this UIColor SKColorFromHexString NSString hexString float red green blue alpha SKScanHexColor hexString red green blue alpha return UIColor colorWithRed red green green blue..