2014/10/15 下午 10:05:06

iphone Programming Glossary: checks

How to post more parameters with image upload code in iOS?

http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios

Some of this is specific to what I do. All my web services use an APIKey to enhance security and they all do security checks before processing any requests. The network client will return either an NSDictionary or an NSArray depending on what the..

How to check for an active Internet Connection on iPhone SDK?

http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk

now patiently wait for the notification 8 Set up the method for when the notification gets sent and set whatever checks or call whatever methods you may have set up in my case I just set a BOOL void checkNetworkStatus NSNotification notice..

UITextField: move view when keyboard appears

http://stackoverflow.com/questions/1775860/uitextfield-move-view-when-keyboard-appears

context nil UIView setAnimationDuration animationDuration self.view.frame frame UIView commitAnimations This method checks if the source of the message is one of the textfields that are visible when the keyboard shows and if not it moves the view..

iPhone: Download PDF and store locally?

http://stackoverflow.com/questions/2226615/iphone-download-pdf-and-store-locally

be able to download that PDF to the device then be able to access that file locally. So the user opens the app the app checks the online PDFs date and compares it to the date of the PDF store locally if it is newer then the new PDF is downloaded..

iPhone Store Kit “Cannot connect to iTunes Store”

http://stackoverflow.com/questions/2359739/iphone-store-kit-cannot-connect-to-itunes-store

iphone objective c in app purchase storekit share improve this question I assume you've done the standard sanity checks double checking your code confirming your product IDs comparing your code to the In App Purchase Programming Guide etc...

iphone/ipad orientation handling

http://stackoverflow.com/questions/2815802/iphone-ipad-orientation-handling

how on earth to people maintain their code base I can just imagine so many issues with spaghetti code thousands of if checks all over the place that it would drive me nuts to make one small change to the UI arrangement. Does anyone have experience..

How does Apple know you are using private API?

http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api

potential rejection due to false alarms of private APIs. If you really really really really want to workaround these checks you could use runtime features such as dlopen dlsym objc_getClass sel_registerName objc_msgSend valueForKey object_getInstanceVariable..

Is it true that one should not use NSLog() on production code?

http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code

can be re used in different places in your application. For example in my application I use it to disable license key checks and only allow the application to run if it's before a certain date. This lets me distribute a time limited fully functional..

Setting direction for UISwipeGestureRecognizer

http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer

the action selector method you still get the bit mask you originally set for the allowed directions . This means that checks for the actual direction will always fail when more than 1 direction is allowed. You can see it for yourself quite easily..

Behaviour for significant change location API when terminated/suspended?

http://stackoverflow.com/questions/3421242/behaviour-for-significant-change-location-api-when-terminated-suspended

didUpdateToLocation fromLocation callbacks Do I just need to implement code in my didUpdateToLocation message which checks the application state and does minimal processing if in background mode In the process of writing this up I think I may..

Is there any way to use window.onbeforeunload on Mobile Safari for iOS devices?

http://stackoverflow.com/questions/4127621/is-there-any-way-to-use-window-onbeforeunload-on-mobile-safari-for-ios-devices

function or if you use DOM0 or DOM1 listeners you can just add some class and then use a global script that checks all elements with the class and adds it to the event listener with a closure. But you should normaly be able to avoid the..

What's the easiest way to get the current location of an iPhone?

http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone

but this can be a good jumping off point as you are building something. You will also notice that the class I wrote checks the timestamp on location updates and ignores any that are old to prevent the problem of getting stale data from core location...

Can you make the settings in Settings.bundle default even if you don't open the Settings App

http://stackoverflow.com/questions/510216/can-you-make-the-settings-in-settings-bundle-default-even-if-you-dont-open-the

app. Is there any way to get these values written out when your application installs I know I can just write code that checks for the first launch of my app and then write them out but then they are in two different places. Here is an entry from..

UIScrollView : paging horizontally, scrolling vertically?

http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically

and always returns itself so that all touch events go into UIScrollView. Then inside touchesBegan touchesMoved etc it checks if it's interested in the event and either handles or passes it on to the inner components. To decide if the touch is to.. RevengeTouch. Objective C is plain old C and there's nothing more ducktypeful in the world than C as long as noone checks the real class of the objects which I believe noone does you can make any class look like any other class. This opens up..

How to show and edit existing PDF files in ios application

http://stackoverflow.com/questions/7644340/how-to-show-and-edit-existing-pdf-files-in-ios-application

Moving a Stick figure, anchorpoints, animation, or something else…?

http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else

can lead to collision check discrepancies in particular the above situation would entirely void radius based collision checks. This is also a confusing situation to be in during development. Your game will be far easier to develop if you can be sure..

How to manage Enterprise Distribution certificate expiration?

http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration

I have to renew it. This expiration disables all apps signed with the expired certificate as soon as the devices checks the certificate's validity against Apple 䏭 OCSP server. Alternatively I can revoke my non enterprise distribution before..

How do I know whether the compiler has ARC support enabled?

http://stackoverflow.com/questions/9462372/how-do-i-know-whether-the-compiler-has-arc-support-enabled

would likely catch the error in this case since it would likely forbid use of ref count ops . Note that this has extra checks to demonstrate how one can and should avoid defining reserved identifiers based on a conversation in the comments . It's..