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2014/10/15 ¤U¤È 10:15:31
iphone Programming Glossary: untiliPhone Keyboard Covers UITextField http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield text into that field the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again. Has anyone else run into this problem and found a good way to solve it without..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts http www.cultofmac.com 179733 19 of ios apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell created on demand since the cell supports text and image access so it doesn't create the data view until necessary so if I do something like this cell.text @ create the label UILabel label UILabel cell.contentView..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon content width device width initial scale 1 Then disable scalability with javascript on load until gesturestart when you allow scalability again with this script if navigator.userAgent.match iPhone i..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Click Continue Validity 3650 days Click Continue Blank out the Email address field. Click Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview right after each other the view isn't updated and doesn't flicker. Of course we have to wait until the content has been loaded so we put the code into the webViewDidFinishLoad delegate method. void webViewDidFinishLoad..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app CertificateSigningRequest.certSigningRequest . Click the button Aprove . Refresh your browser until the status reads Issued . Click the Download button and save the file distribution_identify.cer . Doubleclick.. Common . Select the devices in my case my own and my tester's. Submit. Refresh the browser until the status field reads Active . Click the button Download and save the file to disk. Doubleclick the..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication application UIApplication.. your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app From the Apple docs By installing an app lock payload the device is locked to a single application until the payload is removed. The home button is disabled and the device returns to the specified application.. the first app that is launched when the device is rebooted will be the only app that will run until you reboot the device again. As @Cawas has said this completely disables the ability to return to the..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour but there's a problem moving around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the.. or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a way to get around this Threads A priority setting Anything iphone..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain might wish to use will sometimes throw up innumerable errors and you will be unable to use them until the developers release an update which is compatible with ARC. Edit I recently discovered that you can..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased The call to methodForSelector..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating 0 dispatch_sync queue ^ self createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable.. @selector createTreeFromNode withObject rootNode NO do not wait or enable here. Need to wait here until createTreeFromNode is finished. solveButton.enabled YES A UI message loop is running on the main thread..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting Xcode only the time you waste that's solving the issue. While you're..
iPhone Keyboard Covers UITextField http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield the bottom of the view. When I run the app and try to enter text into that field the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again. Has anyone else run into this problem and found a good way to solve it without either making the parent view scrollable or moving the..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts user permission before accessing contacts fixing this issue http www.cultofmac.com 179733 19 of ios apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot below but it doesn't. Trying to add the contact just..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell approach doesn't work. I've figured out that the label is created on demand since the cell supports text and image access so it doesn't create the data view until necessary so if I do something like this cell.text @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon by not setting a maximum scale in markup. meta name viewport content width device width initial scale 1 Then disable scalability with javascript on load until gesturestart when you allow scalability again with this script if navigator.userAgent.match iPhone i navigator.userAgent.match iPad i var viewportmeta document.querySelector..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store Certificate Type Code Signing Let me override defaults Yes Click Continue Validity 3650 days Click Continue Blank out the Email address field. Click Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed certificate to be used sudo usr bin..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview but it's actually not that bad. Since we do both frame changes right after each other the view isn't updated and doesn't flicker. Of course we have to wait until the content has been loaded so we put the code into the webViewDidFinishLoad delegate method. void webViewDidFinishLoad UIWebView aWebView CGRect frame aWebView.frame..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app Certificate . Upload the file you created with Keychain Access CertificateSigningRequest.certSigningRequest . Click the button Aprove . Refresh your browser until the status reads Issued . Click the Download button and save the file distribution_identify.cer . Doubleclick the file to add it to the Keychain. Backup the certificate.. app id. I have a common app id to use for multiple apps Evertsson Common . Select the devices in my case my own and my tester's. Submit. Refresh the browser until the status field reads Active . Click the button Download and save the file to disk. Doubleclick the file to add it to Xcode. Step C Build the app for distribution..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler.. while background self doSomething This is where you can do your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app Lock' payload as part of the device configuration profile. From the Apple docs By installing an app lock payload the device is locked to a single application until the payload is removed. The home button is disabled and the device returns to the specified application automatically upon wake or reboot. Read more about it here.. your device into the app. BEWARE Once this profile is installed the first app that is launched when the device is rebooted will be the only app that will run until you reboot the device again. As @Cawas has said this completely disables the ability to return to the home screen unless your app crashes including accessibility..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour which I'm using to get the rendering view for my textures but there's a problem moving around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes instead of the default run mode but unfortunately..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is.. NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a way to get around this Threads A priority setting Anything iphone uiscrollview nstimer share improve this question You have..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain things wont work and most noticeably many libraries you might wish to use will sometimes throw up innumerable errors and you will be unable to use them until the developers release an update which is compatible with ARC. Edit I recently discovered that you can turn off ARC on a per file basis. See pixelfreak 's answer..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown no longer used methods in the init copy family or attributed with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased The call to methodForSelector assumes that the return value of the method it's calling..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating updated. dispatch_queue_t queue dispatch_queue_create com.gamesbychris.createTree 0 dispatch_sync queue ^ self createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable else solveButton.title @ Solve Puzzle Needs to run in.. changing the button state. self performSelectorInBackground @selector createTreeFromNode withObject rootNode NO do not wait or enable here. Need to wait here until createTreeFromNode is finished. solveButton.enabled YES A UI message loop is running on the main thread which keeps the UI running. solvePuzzle is getting called..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera servers will catch up to the traffic or solve whatever issues they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting Xcode only the time you waste that's solving the issue. While you're waiting run your apps in Instruments and solve some performance..
iPhone Keyboard Covers UITextField http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield app and try to enter text into that field the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again. Has anyone else run into this problem and found a good way to solve it without either making..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts fixing this issue http www.cultofmac.com 179733 19 of ios apps access your address book without your permission until ios 6 report . I expected the app to automatically ask permission to access contacts like in the screenshot below but it..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell that the label is created on demand since the cell supports text and image access so it doesn't create the data view until necessary so if I do something like this cell.text @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon markup. meta name viewport content width device width initial scale 1 Then disable scalability with javascript on load until gesturestart when you allow scalability again with this script if navigator.userAgent.match iPhone i navigator.userAgent.match..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store defaults Yes Click Continue Validity 3650 days Click Continue Blank out the Email address field. Click Continue until complete. You should see This root certificate is not trusted . This is expected. Set the iPhone SDK to allow the self signed..
How to determine the content size of a UIWebView? http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview we do both frame changes right after each other the view isn't updated and doesn't flicker. Of course we have to wait until the content has been loaded so we put the code into the webViewDidFinishLoad delegate method. void webViewDidFinishLoad..
How do you beta test an iphone app? http://stackoverflow.com/questions/40154/how-do-you-beta-test-an-iphone-app with Keychain Access CertificateSigningRequest.certSigningRequest . Click the button Aprove . Refresh your browser until the status reads Issued . Click the Download button and save the file distribution_identify.cer . Doubleclick the file to.. for multiple apps Evertsson Common . Select the devices in my case my own and my tester's. Submit. Refresh the browser until the status field reads Active . Click the button Download and save the file to disk. Doubleclick the file to add it to Xcode...
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication.. is where you can do your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time..
Lock-down iPhone/iPod/iPad so it can only run one app http://stackoverflow.com/questions/5011774/lock-down-iphone-ipod-ipad-so-it-can-only-run-one-app profile. From the Apple docs By installing an app lock payload the device is locked to a single application until the payload is removed. The home button is disabled and the device returns to the specified application automatically upon.. profile is installed the first app that is launched when the device is rebooted will be the only app that will run until you reboot the device again. As @Cawas has said this completely disables the ability to return to the home screen unless..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour view for my textures but there's a problem moving around on the scroll view prevents the CADisplayLink from firing until the user has finished scrolling which looks horrible . One temporary fix has been to use NSRunLoopCommonModes instead of..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are.. a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused until the scroll is finished. Is there a way to get around this Threads A priority setting Anything iphone uiscrollview nstimer..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain many libraries you might wish to use will sometimes throw up innumerable errors and you will be unable to use them until the developers release an update which is compatible with ARC. Edit I recently discovered that you can turn off ARC on a..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown family or attributed with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased The call to methodForSelector assumes that the..
GCD, Threads, Program Flow and UI Updating http://stackoverflow.com/questions/7290931/gcd-threads-program-flow-and-ui-updating com.gamesbychris.createTree 0 dispatch_sync queue ^ self createTreeFromNode rootNode Need to wait here until createTreeFromNode is finished. solveButton.enabled YES if numSolutions 0 solveButton.title @ Not Solvable else solveButton.title.. @selector createTreeFromNode withObject rootNode NO do not wait or enable here. Need to wait here until createTreeFromNode is finished. solveButton.enabled YES A UI message loop is running on the main thread which keeps the..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera or solve whatever issues they're having at their end. If you're anxious feel free to just sit there and restart Xcode until it works but it's not restarting Xcode only the time you waste that's solving the issue. While you're waiting run your apps..
Optimizing 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 paste my filters accuracy respective code below. If anyone can comment on how I can speed this up that would be great. Until I speed it up it's rather useless in my app as it currently takes around 3 4 minutes to gather info a duration that's not..
Xcode 4.4 error - Timed out waiting for app to launch http://stackoverflow.com/questions/11683308/xcode-4-4-error-timed-out-waiting-for-app-to-launch installed Xcode 4.4. I'm working on a project which needs to run on ios 4.1 upwards supporting iOS device with camera. Until I installed Xcode 4.4 everything went well and I can test app on iphone 3gs and 4s. After I installed Xcode 4.4 I was unable..
How to add a contact to the iPhone's Address Book from a Web Page? http://stackoverflow.com/questions/1773876/how-to-add-a-contact-to-the-iphones-address-book-from-a-web-page
iPhone: how to get safari to recognize a vcard? http://stackoverflow.com/questions/1892373/iphone-how-to-get-safari-to-recognize-a-vcard
Core Data multi thread application http://stackoverflow.com/questions/2138252/core-data-multi-thread-application and pass it to the other thread. More rules Make sure you save the object into the store before getting the object ID. Until saved they're temporary and you can't access them from another thread. And beware of the merge policies if you make changes..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer had managed to work gravity out of the equation so that the car was actually being read very very well by the iPhone. Until I hit a slope. As soon as the angle of the car changed suddenly I was receiving accelerations and decelerations that didn't..
How to refresh a UITableViewController or NSFetchedResultsController? http://stackoverflow.com/questions/3077332/how-to-refresh-a-uitableviewcontroller-or-nsfetchedresultscontroller
Architectural and design question about uploading photos from iPhone app and S3 http://stackoverflow.com/questions/4481311/architectural-and-design-question-about-uploading-photos-from-iphone-app-and-s3 yet. I have a feeling once this thing is released for good you'll see it out on the mobile SDK immediately afterwards. Until then generate presigned URLs for your users or proxy through your own server like some others have suggested. The presigned..
Long-term potential of iPhone/Windows Mobile development platforms http://stackoverflow.com/questions/459214/long-term-potential-of-iphone-windows-mobile-development-platforms and takes over the smartphone market. Who knows You've got to make do with what we have today So my points would be Until Windows Mobile actually starts being a viable platform for third party apps ignore it Instead look at the Pré the iPhone..
How to run and debug unit tests for an iPhone application http://stackoverflow.com/questions/4989668/how-to-run-and-debug-unit-tests-for-an-iphone-application because I was pointing to the mac otest. I kept crashing on launch with termination code 6. Faulty arguments. Until I removed the space from bundle .octest name I kept having otest crash with exit code 1. Wrong path in environment variables...
Xcode 4 Final - “armv6 armv7” issue while linking with armv6 libs http://stackoverflow.com/questions/5316495/xcode-4-final-armv6-armv7-issue-while-linking-with-armv6-libs 4 Final &ldquo armv6 armv7&rdquo issue while linking with armv6 libs Until xcode 4 final I was using 3.latest and 4 GM for the time it was available this didn't happen. When I upgraded to xcode 4..
In app auto-renewable subscriptions http://stackoverflow.com/questions/5329336/in-app-auto-renewable-subscriptions application reloads the account info through another webservice and see there is a valid subscription. That was it... Until auto renewable products appeared. We now had to implement some CRON jobs which runs every day every day we make a list of..
iPhone Dev - How important is Project.pbxproj? http://stackoverflow.com/questions/5931788/iphone-dev-how-important-is-project-pbxproj friendly. In managing several large projects via svn I've generally found that the merges are automatic and painless. Until they aren't. And when they aren't revert merge changes by hand i.e. make the changes in the project that conflicted and..
iPhone app does not run on old device (3G, 3GS, …) [duplicate] http://stackoverflow.com/questions/6355890/iphone-app-does-not-run-on-old-device-3g-3gs this issue Thanks iphone xcode ios4 usb iphone 3gs share improve this question This can come for various reasons. Until now this is are the cases pople have encountered bad cable try another one or hold it really still when programming unsuported..
What is the strong property attribute http://stackoverflow.com/questions/6701023/what-is-the-strong-property-attribute entirely new I have searched through google and the developer documentation and havent been able to find anything. Until i know what it is i am hesitant to use it. Thanks in advance iphone objective c ios cocoa osx share improve this question..
What do horizontalAccuracy and verticalAccuracy of a CLLocation refer to? http://stackoverflow.com/questions/7402503/what-do-horizontalaccuracy-and-verticalaccuracy-of-a-cllocation-refer-to you need to set desiredAccuracy and wait for the GPS receiver to lock onto at least 3 satellites or 4 for a 3D fix . Until that happens CLLocationManager will give you the best it has which is WiFi or Cell tower triangulation results. share improve..
What major ASIHTTPRequest features is AFNetworking missing? http://stackoverflow.com/questions/7529258/what-major-asihttprequest-features-is-afnetworking-missing even web page caches. Which do i prefer It's hard to say. If AFNetworking matures enough I will like it more than ASI. Until then I can't help but admire ASI and the way it became one of the most used frameworks of all time for OS X and iOS. EDIT..
http://stackoverflow.com/questions/8275578/how-to-get-information-about-free-memory-and-running-processes-in-an-app-store-a can't find any good starting point. How can this app figure all this stuff out without any jailbreaking hacking etc. Until recently I was sure that something like this is absolutely impossible on iOS. I've found this code snippet NSArray runningProcesses..
Flurry events not showing up at all http://stackoverflow.com/questions/9821996/flurry-events-not-showing-up-at-all an account on Flurry and added their SDK to my project. Then I logged some events normal events and timed ones. Until here nothing special But even after 2 days I can't see any of these events in Flurry's dashboard. I can see the number of..
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