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2014/10/15 ¤U¤È 10:04:32
iphone Programming Glossary: base64encodingRetrieving images to iphone app through XML http://stackoverflow.com/questions/1397649/retrieving-images-to-iphone-app-through-xml for NSString. You call these methods on the respective data types I have listed examples below. The methods are NSData base64Encoding and NSString base64Decoding . When sending to the server... NSLog @ Compressing Image JPEG 80 NSData imgData UIImageJPEGRepresentation.. NSLog @ Compressing Image JPEG 80 NSData imgData UIImageJPEGRepresentation scaledImage 0.8f NSString b64String imgData base64Encoding My b64String variable now has a base64 encoded string representation of my image. You can now wrap this in Xml and use your..
How to encrypt an NSString in Objective C with DES in ECB-Mode? http://stackoverflow.com/questions/2512184/how-to-encrypt-an-nsstring-in-objective-c-with-des-in-ecb-mode NSString result NSData myData NSData dataWithBytes const void bufferPtr length NSUInteger movedBytes result myData base64Encoding iphone base64 encode des share improve this question DES encryption in ECB mode uses an 8 byte block size and encodes..
UIImage to base64 String Encoding http://stackoverflow.com/questions/3889478/uiimage-to-base64-string-encoding
image upload on facebook connect iphone http://stackoverflow.com/questions/5164564/image-upload-on-facebook-connect-iphone NSData data UIImageJPEGRepresentation img 10 NSData data UIImagePNGRepresentation img NSString imgstr data base64Encoding NSString imgstr NSString alloc initWithData data encoding NSASCIIStringEncoding args setObject UIImage imageNamed @ antartica1.png..
Display local UIImage on UIWebview http://stackoverflow.com/questions/5329648/display-local-uiimage-on-uiwebview pathForResource @ image ofType @ png NSData imgData NSData dataWithContentsOfFile imgPath NSString imgB64 imgData base64Encoding pngDataURIWithContent NSString javascript NSString stringWithFormat @ document.body.style.backgroundImage 'url @ ' imgB64.. Base64 NSData dataWithBase64EncodedString NSString string id initWithBase64EncodedString NSString string NSString base64Encoding NSString base64EncodingWithLineLength unsigned int lineLength @end NSData.Base64.m #import NSData Base64.h static char encodingTable.. NSString string id initWithBase64EncodedString NSString string NSString base64Encoding NSString base64EncodingWithLineLength unsigned int lineLength @end NSData.Base64.m #import NSData Base64.h static char encodingTable 64 'A' 'B'..
http://stackoverflow.com/questions/7289150/uiimage-to-byte-array code UIImage image UIImage imageNamed @ image.png NSData data UIImagePNGRepresentation image NSString byteArray data base64Encoding If you are using a PNG Image you can use the UIImagePNGRepresentation function as shown above or if you are using a JPEG..
Base64 decoding issue with image data-iphone http://stackoverflow.com/questions/8341458/base64-decoding-issue-with-image-data-iphone image1 UIImage imageWithData data image to encoded string back to image imageString UIImagePNGRepresentation image base64Encoding data NSData dataWithBase64EncodedString imageString UIImage image2 UIImage imageWithData data Get NSAdditions files NSAdditions.h..
saving images in string format (to use in xml)..not working http://stackoverflow.com/questions/8804359/saving-images-in-string-format-to-use-in-xml-not-working 3 bytes length buffer 2 6 buffer 3 realloc bytes length return NSData dataWithBytesNoCopy bytes length length NSString base64Encoding if self length 0 return @ char characters malloc self length 2 3 4 if characters NULL return nil NSUInteger length 0 NSUInteger..
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