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2014/10/15 ¤U¤È 10:03:50
iphone Programming Glossary: approacheshow can i trace the finger movement on touch for drawing smooth curves? http://stackoverflow.com/questions/1052119/how-can-i-trace-the-finger-movement-on-touch-for-drawing-smooth-curves objective c share improve this question Depending on the number of sample points you are looking at there are two approaches that I would recommend Simple Interpolation You can simply sample the finger location at set intervals and then interpolate..
how to remove subviews from scrollview? http://stackoverflow.com/questions/1310723/how-to-remove-subviews-from-scrollview rid of all subviews in the given view. If you want something more fine grained you could take any of several different approaches Maintain your own arrays of views of different types so you can send them removeFromSuperview messages later in the same..
UIView Animation Inconsistent Result http://stackoverflow.com/questions/13388835/uiview-animation-inconsistent-result you want. If you do need autolayout you need to learn how to make animations work with autolayout. There are two basic approaches. One approach is to modify the constraints so that autolayout will put the view where you want and then do view layoutIfNeeded..
How to save the content in UIWebView for faster loading on next launch? http://stackoverflow.com/questions/1343515/how-to-save-the-content-in-uiwebview-for-faster-loading-on-next-launch of the UIWebView works and the global feeling is that even if some mechanisms seems to work OK under MacOS X the same approaches may have curious behavior under iPhone. HOWEVER I'm doing it by playing with the global cache that is accessed by any NSURLConnection..
color replacement in image for iphone application http://stackoverflow.com/questions/15082025/color-replacement-in-image-for-iphone-application output Original After changing wall color selected by user along with some threshold for replacement I have tried two approaches but could not got working as expected Approach 1 Queue based Flood Fill algorithm for color replacement but with i got below..
what exactly NSUrlConnection ASynchronous means? http://stackoverflow.com/questions/1707253/what-exactly-nsurlconnection-asynchronous-means
UISegmentedControl Best Practice http://stackoverflow.com/questions/2118358/uisegmentedcontrol-best-practice sections based on the segment option selected not the case for my app So which approach is best for subview non table approaches Which is the easiest to implement Could you share some sample code to the approach Thanks iphone subview uisegmentedcontrol..
iPhone : making UIBarButtonItem that is arrow shaped http://stackoverflow.com/questions/2330157/iphone-making-uibarbuttonitem-that-is-arrow-shaped Thanks iphone xcode uinavigationcontroller uibarbuttonitem share improve this question I wrestled with several approaches on this one and finally figured it out using all the answers from several sources. There are a couple of tricks this snippet..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting components that lack a central function and two partial solutions that lack the missing link. Here are all viable approaches I can come up with Have the user edit a UITextView unstyled and display the content styled in a UIWebView . For the latter..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way recent and all on one page http github.com jverkoey iOS Framework . It also lays out the issues with several other approaches. This is the guide I now follow when trying to remember what to do when setting up a new framework. share improve this..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion is worth to spent some time I agree with westsider's statement as I spent a few weeks of experimenting with different approaches and ended up with poor results. I am sure that there won't be an acceptable solution for either larger distances or slow..
http://stackoverflow.com/questions/5014176/mpmoviewplayercontroller-fullscreen-playback-rotation-with-underlying-uiviewcont too. Rotation doesn't work because UITabBarController disallows it and both UIViewControllers too . So I tried two approaches but none of them does work as expected. 1 Subclassed UITabBarController I did add property BOOL __allowRotation and if it..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers article talking about the various methods of Observing Notification techniques http cocoawithlove.com 2008 06 five approaches to listening observing.html Method #5 even indicates delegates as an method Except.... objects can only set one delegate..
http://stackoverflow.com/questions/5880597/custom-image-mask-in-ios problem with performance mostly when i crop image into 16 puzzles and drag in over the screen . Is there any other approaches to crop image in custom way. I don't know how to solve performance problem . Thanks in advance. iphone ios calayer puzzle..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c a view it contains. To define your own delegates you'll have to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This can be done as NSWindow does in a category on NSObject...
SFHFKeychainUtils. iOS keychain. ARC compatible http://stackoverflow.com/questions/7663443/sfhfkeychainutils-ios-keychain-arc-compatible SecItemCopyMatching __bridge CFDictionaryRef attributeQuery CFTypeRef subAttributeResult These 2 being the only 2 approaches I managed to get no errors for. Any other approach by adding objc_XXX instead of CFTypeRef here and there gets me errors..
Best approach for XML parsing on the iPhone http://stackoverflow.com/questions/842292/best-approach-for-xml-parsing-on-the-iphone using tree based parsing can be a prohibitive memory hog. Trust me I've been there and I've tried many different approaches over the last five months of development of my main iPhone application. Tree based parsing works fine until you download..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications the application Likewise what code would I use to access that extra data What seem to be the best available technical approaches to this problem at the present time Please refrain from non programming answers about how piracy is inevitable etc. iphone..
Best practices for iOS applications security http://stackoverflow.com/questions/9448632/best-practices-for-ios-applications-security the service presents a certificate that you have signed not just a trusted certificate. This is just a smattering of approaches but they set the basic tone Use the built in APIs to store things. As Apple improves security you get the benefits for free...
How do I start playing audio when in silent mode & locked in iOS 6? http://stackoverflow.com/questions/9725192/how-do-i-start-playing-audio-when-in-silent-mode-locked-in-ios-6 is locked all threads are killed and audio is never played. How do theses apps manage to work around this Possible approaches Found So Far A. Use 'beginBackgroundTaskWithExpirationHandler ' with an infinite loop to keep app running indefinitely...
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