2014/10/15 下午 10:12:56
iphone Programming Glossary: produceHow can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth of the Made for iPod program. However that doesn't sound like your case. Third party developers in the near future may produce dongles that connect through the 30 pin dock port and give access to existing Bluetooth devices. If these developers opened..
Encrypted NSData to NSString in obj-c? http://stackoverflow.com/questions/1417893/encrypted-nsdata-to-nsstring-in-obj-c the same plaintext key. If the 'description' property of the NSData object can return a string is there any way I can produce an NSString from the NSData object without getting null UPDATE Thanks to Quinn who suggests using Base64 encoding to produce.. an NSString from the NSData object without getting null UPDATE Thanks to Quinn who suggests using Base64 encoding to produce the muddled string. From what I understand Base64 encoding does not simply swap characters but the character exchange depends..
Accessing & Using the MobileWiFi.framework http://stackoverflow.com/questions/2018110/accessing-using-the-mobilewifi-framework open airportHandle bind airportHandle @ en0 NSLog @ Result @ libHandle When executed on the device it'll produce my ever so favorite... Exception Type EXC_BAD_ACCESS SIGSEGV I'm thinking the dynamic loading call isn't loading anything...
How to add more details in MKAnnotation in iOS http://stackoverflow.com/questions/2342070/how-to-add-more-details-in-mkannotation-in-ios id MKAnnotation annotation CustomMapAnnotationView annotationView nil determine the type of annotation and produce the correct type of annotation view for it. CustomMapAnnotation myAnnotation CustomMapAnnotation annotation NSString identifier..
How to convert an NSString to hex values http://stackoverflow.com/questions/3056757/how-to-convert-an-nsstring-to-hex-values like to convert a regular NSString into an NSString with the what I assume are ASCII hex values and back. I need to produce the same output that the Java methods below do but I can't seem to find a way to do it in Objective C. I've found some examples.. some examples in C and C but I've had a hard time working them into my code. Here are the Java methods I'm trying to reproduce Encodes the given string by using the hexadecimal representation of its UTF 8 bytes. @param s The string to encode. @return..
What exactly does @synthesize do? http://stackoverflow.com/questions/3266467/what-exactly-does-synthesize-do the mapView1 part the compiler would assume that the property and ivar have the same name. In this case that would produce a compiler error since there is no ivar called mapView . The result of this @synthesize statement is similar to if you had..
want to add manual erasing option in ipad painting application by quartz http://stackoverflow.com/questions/3863931/want-to-add-manual-erasing-option-in-ipad-painting-application-by-quartz
http://stackoverflow.com/questions/459833/which-open-source-licenses-are-compatible-with-the-apples-iphone-and-its-offici that the end user is able to fetch your object files plus the open source library plus tools see the section below and produce some code that works. There is no room for having the downstream recipient have to enter a separate agreement with Apple.. You must ensure that the terms of the resulting executable allow the recipient to make changes to the LGPL code and produce a new working bits of code out of it. This in practice means that you need to distribute the object files of your program..
How to create custom easing function with Core Animation? http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation 0.0 and 1.0 where 0.0 is the beginning of the animation and 1.0 is the end and returns a scale factor where 0.0 would produce the starting value and 1.0 would produce the ending value typedef double ^KeyframeParametricBlock double @interface CAKeyframeAnimation.. the animation and 1.0 is the end and returns a scale factor where 0.0 would produce the starting value and 1.0 would produce the ending value typedef double ^KeyframeParametricBlock double @interface CAKeyframeAnimation Parametric id animationWithKeyPath..
Steps to upload an iPhone application to the AppStore http://stackoverflow.com/questions/796482/steps-to-upload-an-iphone-application-to-the-appstore manually trash the build folder in your Project from Finder. Once you've cleaned build again fresh. If this does not produce an app that when zipped properly loads to iTunes Connect quit and relaunch Xcode. I'm not kidding. This one simple trick..
http://stackoverflow.com/questions/8086584/objective-c-url-encoding CFStringRef unescaped NULL CFSTR ' @ # kCFStringEncodingUTF8 Note stringByAddingPercentEscapesUsingEncoding will not produce the correct encoding in this case it will not encode anything returning the same string. Note consider if this set of characters..
Make Background of UIView a Gradient Without Sub Classing http://stackoverflow.com/questions/844710/make-background-of-uiview-a-gradient-without-sub-classing the background. iphone uiview subclass share improve this question You can use UIColor colorWithPatternImage to produce a patterned background. Example bring your own CGGradient Allocate color space CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB..
Why do I have to call super -dealloc last, and not first? http://stackoverflow.com/questions/909856/why-do-i-have-to-call-super-dealloc-last-and-not-first
What tool(s) can I use to produce iPhone App Screencasts? [closed] http://stackoverflow.com/questions/935540/what-tools-can-i-use-to-produce-iphone-app-screencasts tool s can I use to produce iPhone App Screencasts closed I need to produce demonstration video screencasts for my iPhone app... I'm referring to those.. tool s can I use to produce iPhone App Screencasts closed I need to produce demonstration video screencasts for my iPhone app... I'm referring to those such as this one for the Reddit iPhone app the.. MP4 output to make sure that the video could be played natively on the iPhone. I've used both VisualHub and iMovie to produce MP4 videos with all the right settings to play on the device. Both have simple iPhone export profiles. share improve this..
How can you apply distortions to a UIImage using OpenGL ES? http://stackoverflow.com/questions/9886843/how-can-you-apply-distortions-to-a-uiimage-using-opengl-es for each of the filters you'll find that the math is very similar between them. You should be able to tweak that to produce your own custom effects from this same base. It's fairly easy to apply these filters to UIImages. If you have just one filter..
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