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2014/10/15 ¤U¤È 10:14:40
iphone Programming Glossary: suppliedOptimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the complain that it can't update the values and give you errors. Also only use the constants for the desiredAccuracy supplied by Apple and no others thus kCLLocationAccuracyBest kCLLocationAccuracyNearestTenMeters kCLLocationAccuracyHundredMeters..
How do I break down an NSTimeInterval into year, months, days, hours, minutes and seconds on iPhone? http://stackoverflow.com/questions/1237778/how-do-i-break-down-an-nstimeinterval-into-year-months-days-hours-minutes-an options NSUInteger opts Returns as an NSDateComponents object using specified components the difference between two supplied dates . From the API documentation . Create 2 NSDate whose difference is the NSTimeInterval you want to break down. If your..
http://stackoverflow.com/questions/1309757/blend-two-uiimages newSize Use existing opacity as is bottomImage drawInRect CGRectMake 0 0 newSize.width newSize.height Apply supplied opacity image drawInRect CGRectMake 0 0 newSize.width newSize.height blendMode kCGBlendModeNormal alpha 0.8 UIImage newImage..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone I suspect I'd have to generate the encryption key with the passcode in a way that can be reversed if the passcode is supplied with the encrypted data. The method should then return an NSString created from the encrypted data. I've tried the technique..
Monotouch or Titanium for rapid application development on IPhone? http://stackoverflow.com/questions/1488402/monotouch-or-titanium-for-rapid-application-development-on-iphone period. And you can use this beginning phase to determine if you even want to use anything other than the free Apple supplied bits. You might not. I've been using MonoTouch because it pleases me not because it's necessary. So to summarize a few basic..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how 2.0 l setBorderColor UIColor darkGrayColor CGColor Above code is applying the roundness to each of corners of supplied View. Instead I just wanted to apply roundness to selected corners like top top left bottom right etc. Is it possible IF..
http://stackoverflow.com/questions/2475450/extracting-images-from-a-pdf images from a PDF I am having a little query regarding Extracting specifically images only images from a supplied PDF document in iPhone Application. I have gone through the documentation of apple But I am failure to find it. I have done..
http://stackoverflow.com/questions/2521275/what-is-nsparameterassert
Obtain Apple software id number before appstore submission (for Appirater) http://stackoverflow.com/questions/4153186/obtain-apple-software-id-number-before-appstore-submission-for-appirater encourage users to rate my app which I have yet to submit. In order for this to work you need to have the software id supplied by Apple. As I haven't yet submitted my app I don't have this id number. I do of course have my Bundle Seed ID and Bundle..
Testing asynchronous code on iOS with OCunit http://stackoverflow.com/questions/4685582/testing-asynchronous-code-on-ios-with-ocunit tool written in Ruby which lets you stub requests at a high level and can be used from your Objective C using the supplied wrapper. With regards to asynchronous testing please take a look at a little utility I wrote called AssertEventually . This..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open the settings application. Not to be annoying or anything..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates motion of the location annotation and it's callout annotation. The callout now also automatically resizes based on the supplied contentView and the view is loaded from a separate nib. Good luck https github.com jacobjennings JJMapCallout share improve..
using BSD-licensed libraries on iPhone http://stackoverflow.com/questions/670978/using-bsd-licensed-libraries-on-iphone the distribution. Does this mean I would have to paste the whole license text ~ 15 lines into that small info file supplied for all App Store applications Because if so that would make it unreadable... Or is it enough to just write that This application..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone Leopard views need to manually enable layer backing. For a layer backed view content is drawn once using whatever you supplied in drawRect but then is buffered into the layer. The layer acts like a rectangular texture so when you move the layer backed..
Need an API that detects when an iPhone is plugged in http://stackoverflow.com/questions/7301680/need-an-api-that-detects-when-an-iphone-is-plugged-in share improve this question I don't have a complete answer but a program that achieves what you want is USB Prober supplied with Xcode and located at Developer Applications Utilities USB Prober.app . That program is open source with the browser..
What's the difference between GLKView and EAGLView? http://stackoverflow.com/questions/8412302/whats-the-difference-between-glkview-and-eaglview ios5 share improve this question Both of these classes are related to OpenGL ES but only one of them is actually supplied by Apple as part of the iOS SDK. EAGLView is not a class provided with the Cocoa Touch frameworks. In Apple's OpenGL ES..
Best approach for XML parsing on the iPhone http://stackoverflow.com/questions/842292/best-approach-for-xml-parsing-on-the-iphone while creating that tree can be enormous. I wound up creating a variant of NSXMLParser which pulls data in from a supplied NSInputStream rather than using a single chunk of data and which passes only 1KB at a time into libxml for handling NSXMLParser..
How can I rotate an UIImageView by 20 degrees? http://stackoverflow.com/questions/852863/how-can-i-rotate-an-uiimageview-by-20-degrees share improve this question A transformation matrix is not incredibly difficult. It's quite simple if you use the supplied functions imgView.transform CGAffineTransformMakeRotation .34906585 .34906585 is 20 degrees in radians share improve this..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 for an OpenGL ES rendering by using a framebuffer object FBO with an attached texture with that texture having been supplied from the texture cache. Once you render your scene into that FBO the BGRA pixels for that scene will be contained within..
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