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2014/10/15 ¤U¤È 10:15:29
iphone Programming Glossary: unlessHow can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth provide full access to Bluetooth devices headsets mention you can't connect to an arbitrary device unless if it's part of the Works for iPhone device. Do I need hardware that is part of this program Looking..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone 3.0 or even earlier if you are still doing that . Also the user will not be able to see anything unless you flag an app as allowing users to modify documents so if you are using Documents today you are fine..
How to add background image on iphone Navigation bar? http://stackoverflow.com/questions/1692487/how-to-add-background-image-on-iphone-navigation-bar
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 nonatomic retain UIColor barTintColor Discussion This color is made translucent by default unless you set the translucent property to NO . Availability Available in iOS 7.0 and later. Declared In UINavigationBar.h..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone to 1 relationship with the User model object so that the associated Image object is not called up unless required . However I am unsure how to practically store the image and whether this is potentially fatal..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c NSNotification notification notification name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the static..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework eg 8 you can throw these precalculated values into any fft function that uses resolution 2^8. So unless you want ultimate memory optimisation just create one set for the highest resolution you're going to..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int an int while on a 64 bit system it's a long . I'd stick with using NSInteger instead of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search when the search is canceled you can see below that this object is released . All UITableView..
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 device again. As @Cawas has said this completely disables the ability to return to the home screen unless your app crashes including accessibility assistive touch. Note that after installing the profile you..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable the setter will retain the variable and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers the MVC design pattern . Usually you want to avoid putting state information inside a controller unless it's strictly presentation data. Second see page 10 of the Stanford presentation for an example of how..
UILocalNotification Repeat Interval for Custom Alarm (sun, mon, tue, wed, thu, fri, sat) http://stackoverflow.com/questions/6966365/uilocalnotification-repeat-interval-for-custom-alarm-sun-mon-tue-wed-thu-f than 64 local notifications set in your app. You cannot reschedule a notification once it fires unless the user chooses to run your app when the notification fires they may not run it . There is a request..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore that I could find on this method. It doesn't sound like any of these methods meet your criteria unless you have fewer than 100 customers and don't plan to exceed that number. It sounds like from the question..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth at Stack Overflow questions like Can the iPhone 3.0 SDK provide full access to Bluetooth devices headsets mention you can't connect to an arbitrary device unless if it's part of the Works for iPhone device. Do I need hardware that is part of this program Looking through the Apple documentation Peer to Peer Connectivity it..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone since iPhoneOS 2.0 and so can be used for builds targeting 3.0 or even earlier if you are still doing that . Also the user will not be able to see anything unless you flag an app as allowing users to modify documents so if you are using Documents today you are fine as long as you change location when updating for support..
How to add background image on iphone Navigation bar? http://stackoverflow.com/questions/1692487/how-to-add-background-image-on-iphone-navigation-bar
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 The tint color to apply to the navigation bar background. @property nonatomic retain UIColor barTintColor Discussion This color is made translucent by default unless you set the translucent property to NO . Availability Available in iOS 7.0 and later. Declared In UINavigationBar.h Code NSArray ver UIDevice currentDevice .systemVersion..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone of creating an Image model object and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up unless required . However I am unsure how to practically store the image and whether this is potentially fatal in terms of performance. I would be grateful for any advice..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c name @ TestNotification object nil return self void receiveTestNotification NSNotification notification notification name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully received the test..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the static alloc method but there are a few others or a copy method you..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework log2n FFT_RADIX2 It's worth noting that if we set log2n to eg 8 you can throw these precalculated values into any fft function that uses resolution 2^8. So unless you want ultimate memory optimisation just create one set for the highest resolution you're going to need and use it for everything. Now the actual transforms making..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int the largest possible int type which on 32 bit systems is just an int while on a 64 bit system it's a long . I'd stick with using NSInteger instead of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these types and they are defined like this #if __LP64__ TARGET_OS_EMBEDDED..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll did I have two FRCs available as properties fetchedResultsController and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search when the search is canceled you can see below that this object is released . All UITableView methods must figure out what table view it will query..
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 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 assistive touch. Note that after installing the profile you must reboot the device power off power on for it to take effect...
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable directive in your .h file. I.e. if you specify retain the setter will retain the variable and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self syntax as stated above is saying that you want to use the..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers of putting data in model objects when appropriate per the MVC design pattern . Usually you want to avoid putting state information inside a controller unless it's strictly presentation data. Second see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation..
UILocalNotification Repeat Interval for Custom Alarm (sun, mon, tue, wed, thu, fri, sat) http://stackoverflow.com/questions/6966365/uilocalnotification-repeat-interval-for-custom-alarm-sun-mon-tue-wed-thu-f and get multiples of those intervals. You cannot have more than 64 local notifications set in your app. You cannot reschedule a notification once it fires unless the user chooses to run your app when the notification fires they may not run it . There is a request for repeat interval multipliers posted here . You can add..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore 500 employees. Apple does not provide any more public detail that I could find on this method. It doesn't sound like any of these methods meet your criteria unless you have fewer than 100 customers and don't plan to exceed that number. It sounds like from the question your customers are not internal to your company. I would..
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth the iPhone 3.0 SDK provide full access to Bluetooth devices headsets mention you can't connect to an arbitrary device unless if it's part of the Works for iPhone device. Do I need hardware that is part of this program Looking through the Apple documentation..
The executable was signed with invalid entitlements http://stackoverflow.com/questions/1074546/the-executable-was-signed-with-invalid-entitlements type in the filename of the new Entitlements.plist file including the extension. There is no need to specify a path unless you have put the Entitlements.plist file somewhere other than the top level of the project. Click ˜Build Note Your binary..
iphone: Calculating battery life http://stackoverflow.com/questions/1469549/iphone-calculating-battery-life for 2G battery life. Of course some of the apps claim they are 'the most accurate'... but I dont see that happening unless someone has a source for very accurate stats. Thanks iphone objective c battery share improve this question The API..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone for builds targeting 3.0 or even earlier if you are still doing that . Also the user will not be able to see anything unless you flag an app as allowing users to modify documents so if you are using Documents today you are fine as long as you change..
How to add background image on iphone Navigation bar? http://stackoverflow.com/questions/1692487/how-to-add-background-image-on-iphone-navigation-bar
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 bar background. @property nonatomic retain UIColor barTintColor Discussion This color is made translucent by default unless you set the translucent property to NO . Availability Available in iOS 7.0 and later. Declared In UINavigationBar.h Code..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone and creating a 1 to 1 relationship with the User model object so that the associated Image object is not called up unless required . However I am unsure how to practically store the image and whether this is potentially fatal in terms of performance...
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c self void receiveTestNotification NSNotification notification notification name should always be @ TestNotification unless you use this method for observation of other notifications as well. if notification name isEqualToString @ TestNotification..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the static alloc method but there..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework if we set log2n to eg 8 you can throw these precalculated values into any fft function that uses resolution 2^8. So unless you want ultimate memory optimisation just create one set for the highest resolution you're going to need and use it for..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int bit systems is just an int while on a 64 bit system it's a long . I'd stick with using NSInteger instead of int long unless you specifically require them. NSInteger NSUInteger are defined as dynamic typedef s to one of these types and they are..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll fetchedResultsController and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search when the search is canceled you can see below that this object is released . All UITableView methods must..
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 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 assistive touch. Note that after installing the profile you must reboot the device..
iPhone different between self and normal variable http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable if you specify retain the setter will retain the variable and if you specify copy it will copy it. The accessors will unless you specify otherwise be named propertyName and setPropertyName. Using the . notation note not the self syntax as stated..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers when appropriate per the MVC design pattern . Usually you want to avoid putting state information inside a controller unless it's strictly presentation data. Second see page 10 of the Stanford presentation for an example of how to programmatically..
UILocalNotification Repeat Interval for Custom Alarm (sun, mon, tue, wed, thu, fri, sat) http://stackoverflow.com/questions/6966365/uilocalnotification-repeat-interval-for-custom-alarm-sun-mon-tue-wed-thu-f You cannot have more than 64 local notifications set in your app. You cannot reschedule a notification once it fires unless the user chooses to run your app when the notification fires they may not run it . There is a request for repeat interval..
http://stackoverflow.com/questions/982476/iphone-app-without-appstore any more public detail that I could find on this method. It doesn't sound like any of these methods meet your criteria unless you have fewer than 100 customers and don't plan to exceed that number. It sounds like from the question your customers..
How can you enable the iOS 6.0 panorama camera within an application? http://stackoverflow.com/questions/12666523/how-can-you-enable-the-ios-6-0-panorama-camera-within-an-application this functionality. AVFramework gives you the data stream from the camera and you have to handle that yourself. Unless you want to implement your own panoramic feature this isn't appropriate. Whilst there are settings to adjust flash video..
Successful Swipe in UITextView? http://stackoverflow.com/questions/2042930/successful-swipe-in-uitextview and implementing the swipe function in the instance methods but no dice. My UITextView has scrolling disabled Unless there is another way to implement multiline text Edit What I should say is input multiline text Edit iphone objective c..
http://stackoverflow.com/questions/2108503/code-sign-error-the-identity-iphone-developer-doesnt-match-any-valid-certifi
Which mobile operating system should I code for? [closed] http://stackoverflow.com/questions/2441649/which-mobile-operating-system-should-i-code-for each platform there are many devices with different screen resolutions hardware capabilities memory capacity bugs etc. Unless you are developing something trivial why not a mobile web app then you'll need to acquire and test on at least the most..
Tips for a successful AppStore submission? [closed] http://stackoverflow.com/questions/28551/tips-for-a-successful-appstore-submission Make sure you have a website up and running and the ability to accept and provide feedback. I just used Blogger. Unless your app is trivial the real world will find problems that you didn't anticipate and your unhappy users will always be the..
what is the best way to play sound quickly upon fast button presses xcode? http://stackoverflow.com/questions/3128283/what-is-the-best-way-to-play-sound-quickly-upon-fast-button-presses-xcode that you play. Be careful about releasing the allocated players though unless you know you are finished with them. Unless you have very large sound files which might take a short second to buffer you'll have to figure out for yourself if you..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata to make sure it's removed from memory when you're done. If you don't have any huge images I wouldn't worry about it. Unless you see a problem and kudos for checking Object Allocation instead of preemptively optimizing I would choose less lines..
Are there any huge differences between objective-c and Java, or iPhone and Android? http://stackoverflow.com/questions/3326110/are-there-any-huge-differences-between-objective-c-and-java-or-iphone-and-andro and then starts putting you in the hole. There are simply to many compromises and square pegs jammed into round holes. Unless your app could in theory work from a generic web page cross platform is not for you. In the specific case of Objective C..
What is the most efficient way to count number of word in NSString without using regex? http://stackoverflow.com/questions/3975209/what-is-the-most-efficient-way-to-count-number-of-word-in-nsstring-without-using 2266434 how to count words within a text string iphone objective c cocoa ios nsstring share improve this question Unless you're going to be doing it hundreds of times a second I would just opt for the readable solution something like the following..
dealloc, use release or set to nil for properties? http://stackoverflow.com/questions/4124049/dealloc-use-release-or-set-to-nil-for-properties nil super dealloc iphone objective c cocoa touch share improve this question There is no real difference Unless you are not using the @synthesize keyword. When you set the properties to nil they are being released behind the scenes..
http://stackoverflow.com/questions/4999017/adding-images-to-uitableview @ I'm a UITableViewCell cell.imageView.image UIImage imageNamed @ MyReallyCoolImage.png return cell Unless you provide a tableView heightForRowAtIndexPath method in your UITableViewDelegate the default height of a UITableViewCell..
If you have an IBOutlet, but not a property, is it retained or not? http://stackoverflow.com/questions/5523290/if-you-have-an-iboutlet-but-not-a-property-is-it-retained-or-not value else object_setIvar self _keyName value retain See the key value programming guide for even more detail. Unless your file's owner object overrides setValue forKey or accessInstanceVariablesDirectly and setValue forUndefinedKey expect..
How to read objective-c stack traces http://stackoverflow.com/questions/6462214/how-to-read-objective-c-stack-traces randomly selected to handle it if you can consistently recreate this crash the random thread signal case is unlikely. Unless you have a capture of the input data or can somehow guess how msgpack_unpack_next might crash you are out of luck without..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone touch produces another X. Do I need to remember all these touchup coordinates and then draw them all in drawRect EDIT Unless I've misunderstood joconor and Hector Ramos's answers below are contradicting each other. And that's a good demonstration.. you move the layer backed view or cover it no redraw is needed the texture is just moved to that location via the GPU. Unless you set the needsDisplayOnBoundsChange property to YES for a layer changing the size of the layer or its containing view..
XML Parsing in Cocoa Touch/iPhone http://stackoverflow.com/questions/773651/xml-parsing-in-cocoa-touch-iphone forKey elementName P.S. Double check your XML though seems you are missing a root node on some of your results. Unless you left it out for simplicity. Take a look at w3schools XML tutorial it should point you in the right direction for XML..
What's the best way of learning iPhone programming when coming from Java? http://stackoverflow.com/questions/783321/whats-the-best-way-of-learning-iphone-programming-when-coming-from-java my feeling. After reading for 2 weeks now I figured out that I would forget fast what I have been reading a week ago. Unless I start to do something with the knowledge it's like a drain in the brain. What are your learning strategies java iphone..
Creating a custom text-drawing view http://stackoverflow.com/questions/844829/creating-a-custom-text-drawing-view Implementing something similar to NSAttributedString for iPhone may be valuable to you and improve your performance. Unless you're moving things around a lot for which this would best work in a UIScrollView I don't think you should need to use..
How to manage Enterprise Distribution certificate expiration? http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration time an application is opened on a device the distribution certificate is validated by contactingApple ™s OCSP server. Unless the certificate has been revoked the app is allowed to run. Inability to contactor get a response from the OCSP server is..
UIWebView in multithread ViewController http://stackoverflow.com/questions/945082/uiwebview-in-multithread-viewcontroller autorelease would still result in the final release happening from the autorelease pool of the background thread. Unless there's something special about releases from the autorelease pool I'm surprised this would make a difference . I found..
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