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2014/10/15 ¤U¤È 10:12:59
iphone Programming Glossary: proveCustomizing the iPhone keyboard http://stackoverflow.com/questions/1014705/customizing-the-iphone-keyboard make your own iPhone keyboard so that you can type in unsupported languages iphone objective c cocoa touch share improve this question You can create your own keyboard but actually using it is more difficult. To create it Create the keyboard.. position by manipulating the clipboard but a delete previous character button like that on the standard keyboard will prove impossible . As of iOS 5.0 UITextField and UITextView finally do implement the UITextInput protocol. It should now be a..
How to import Social framework only for iOS 6? http://stackoverflow.com/questions/14002304/how-to-import-social-framework-only-for-ios-6 Social Social.h Please tell how to check and run for both iOS 5 and iOS 6. Thanks. iphone ios ios5 ios6 share improve this question Firstly don't query the OS version for guessing what is supported check if a particular feature is actually..
How can my server securely authenticate iPhone in-app purchase? http://stackoverflow.com/questions/1581246/how-can-my-server-securely-authenticate-iphone-in-app-purchase and that Eve is not performing a replay with a dishonestly obtained receipt The receipt may be valid but that doesn't prove that the sender is the entitled party. Is there any notion of a device certificate on the iPhone that can be used to sign.. to the device so the server can validate iphone authentication iphone sdk 3.0 certificate in app purchase share improve this question Apple Provided Vulnerable Approach The server can authenticate a purchase by doing the following The iPhone..
http://stackoverflow.com/questions/1829954/write-to-a-file-in-monotouch I guess it has to be placed somewhere in the App bundle documents or resources . c# .net iphone monotouch share improve this question Note My response is pretty thorough because I don't know your level of understanding regarding app bundles.. to it. If the file already exists File.WriteAllText will overwrite it. File.WriteAllText filePath Howdy world. Now we prove it worked by reading the contents of the file and then printing them to the console... string text File.ReadAllText filePath..
How to Get the Title of a HTML Page Displayed in UIWebView? http://stackoverflow.com/questions/2275876/how-to-get-the-title-of-a-html-page-displayed-in-uiwebview Alternatively I could just scan the text of the HTML code for the title but that feels a bit cumbersome and might prove fragile if the page's authors got freaky with their code. If it comes to that what's the best method to use for processing.. UIWebView. Therefore the Javascript method above will always work. iphone objective c uiwebview foundation share improve this question For those who just scroll down to find the answer void webViewDidFinishLoad UIWebView webView NSString theTitle..
Are there more Cocoa and Cocoa Touch videos which are worth looking at? http://stackoverflow.com/questions/3024069/are-there-more-cocoa-and-cocoa-touch-videos-which-are-worth-looking-at example. The more people see this the greater the chance for more great links iphone cocoa cocoa touch osx share improve this question For those looking to go a little beyond the basics in terms of iPhone development the videos for the Advanced.. and links to the sample applications I used for the course. While focused on iPhone iPad the course may also prove useful to Mac developers as many of the frameworks and topics translate directly to the Mac Core Data Core Animation multithreading..
Does NSURLConnection Block the Main/UI Thread http://stackoverflow.com/questions/3234054/does-nsurlconnection-block-the-main-ui-thread thread Or is there a way where these images will download very quickly while the table view is being scrolled. EDIT To prove that NSURLConnection is slower I used NSThread to detach a new selector in a different thread. I then download the data.. into the event loop where the UITableView scrolling is blocking it. iphone objective c ipad nsurlconnection share improve this question Read NSDefaultRunLoopMode vs NSRunLoopCommonModes for a good explanation of why all the download delegate..
Cocoa thread synchronisation when using [ALAssetsLibrary enumerateGroupsWithTypes:] http://stackoverflow.com/questions/3586911/cocoa-thread-synchronisation-when-using-alassetslibrary-enumerategroupswithtype in the right direction Your clue boos are most welcome as always M. iphone objective c cocoa touch nslock share improve this question The framework doesn't run these blocks on a separate thread. It just runs them as additional events in the.. doesn't run these blocks on a separate thread. It just runs them as additional events in the same run loop. To prove it try this library enumerateGroupsWithTypes ALAssetsGroupAll usingBlock ^ ALAssetsGroup group BOOL stop if NSThread..
iphone - UIColor leaking… need to release the object? http://stackoverflow.com/questions/3868742/iphone-uicolor-leaking-need-to-release-the-object that was not allocated. What do you think thanks. E D I T I suppose this is a xcode problem or a framework leak. To prove that I replace the lines with UIColor myColor UIColor alloc initWithRed corR green corG blue corB alpha 1.0 and then the.. blue corB alpha 1.0 and then the object could be safely released... doing that solved the problem. iphone share improve this question Don't release the object you don't own it and you will eventually get crashes. UIColor is probably just..
Generating a PDF using the new printing stuff in iOS 4.2 http://stackoverflow.com/questions/4356436/generating-a-pdf-using-the-new-printing-stuff-in-ios-4-2 actual print job to convert HTML to PDF Any help much appreciated. iphone pdf generation ios 4.2 airprint share improve this question It seems as though print formatters including UIMarkupTextPrintFormatter aren't actually rendered drawn..
How to make a secure login using UDID or device token? http://stackoverflow.com/questions/4671435/how-to-make-a-secure-login-using-udid-or-device-token anyone to be able to use my web service by sending a phony device id or someone else's device id. How would the client prove to the server that it is providing the correct device id iphone android security login udid share improve this question.. client prove to the server that it is providing the correct device id iphone android security login udid share improve this question In theory you cannot. A device ID is not particularly secret and in most cases it can be easily spoofed...
XMPP library for iOS (iPhone/iPad) [closed] http://stackoverflow.com/questions/4734596/xmpp-library-for-ios-iphone-ipad iOS and would need a XMPP library to do the heavy lifting. Anyone know of such iphone objective c ipad ios share improve this question There's a single Objective C library xmppframework listed on the XMPP Standards Foundation site although.. a single Objective C library xmppframework listed on the XMPP Standards Foundation site although if this doesn't prove to be suitable you should be able to get the C C libraries up and running with some wrangling. share improve this answer..
Actual frequency of device motion updates lower than expected, but scales up with setting http://stackoverflow.com/questions/5034411/actual-frequency-of-device-motion-updates-lower-than-expected-but-scales-up-wit except for saving off timestamps in order to see what the real motion update rate is. I've tested this enough to prove to myself that it's repeatable even the strange result for 1 40. The table below shows what I'm seeing updateInterval actual.. case i'm fundamentally misunderstanding the Core Motion framework. iphone cocoa touch intervals core motion share improve this question Okay here's a possible solution Number of concurrent operations on NSOperationQueue are determined by the..
How would you keep secret data secret in an iPhone application? http://stackoverflow.com/questions/544463/how-would-you-keep-secret-data-secret-in-an-iphone-application access a web service from an iPhone app. This web service requires clients to digitally sign HTTP requests in order to prove that the app knows a shared secret a client key. The request signature is stored in a HTTP header and the request is simply.. code Hmm.. EDIT Filed bug report # 6584858 at http bugreport.apple.com Thanks. iphone security cryptography share improve this question The simple answer is that as things stand today it's just not possible to keep secrets on the iPhone. A..
How to draw signature with lines on iPhone screen? http://stackoverflow.com/questions/679983/how-to-draw-signature-with-lines-on-iphone-screen use 'touchesMoved' method I can only get one touch point. iphone objective c opengl quartz graphics paint share improve this question As per the UIResponder Class Reference you will also need to implement touchesBegan withEvent and touchesEnded..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically the user to scroll horizontally OR vertically but not both simultaneously. iphone objective c uiscrollview share improve this question You're in a very tough situation I must say. Note that you need to use a UIScrollView with pagingEnabled.. protect against touchesXxx reentry. Second strategy If due to some reason nested UIScrollViews do not work out or prove too hard to get right you can try to get along with just one UIScrollView switching its pagingEnabled property on the fly..
Memory leak drawInRect on iOS5.0.1 http://stackoverflow.com/questions/8236837/memory-leak-drawinrect-on-ios5-0-1 Am I doing something wrong or is this an iOS5.0.1 bug Update I've tried many tests. I have been able to prove that the exact same code compiled with XCode 4.0 runs fine on the same iPad. Same code compiled with XCode 4.2.1 causes.. be able to reproduce the problem and are not making any progress on it. iphone ios ipad ios5 memory leaks share improve this question I believe I have FINALLY found the cause of the memory leak. I discovered similar behavior when doing some..
How to get the latest photo in iPhone Library? http://stackoverflow.com/questions/9290929/how-to-get-the-latest-photo-in-iphone-library 1 CGImageRef ref asset defaultRepresentation fullResolutionImage I donno if this is always work... hope any one can prove me. And there I'm looking for a way to sync thread... iphone objective c ios share improve this question You can do.. work... hope any one can prove me. And there I'm looking for a way to sync thread... iphone objective c ios share improve this question You can do it simply by following method of ALAssetsGroup void enumerateAssetsWithOptions NSEnumerationOptions..
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