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2014/10/15 ¤U¤È 10:08:01
iphone Programming Glossary: eitherHow to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting your app to..
iPhone Keyboard Covers UITextField http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield 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 text field farther up the screen iphone keyboard uitextfield..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout
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 @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string above is using assuming one has been created..
http://stackoverflow.com/questions/158914/cropping-a-uiimage crashes in this code and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target..
How to scale a UIImageView proportionally? http://stackoverflow.com/questions/185652/how-to-scale-a-uiimageview-proportionally I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. UIImage image UIImage alloc initWithData NSData dataWithContentsOfURL NSURL URLWithString..
Expand/collapse section in UITableView http://stackoverflow.com/questions/1938921/expand-collapse-section-in-uitableview You'd then setup your number numberOfRowsInSection to check the mybooleans value and return either 1 if the section isn't expanded or 1 the number of items in the section if it is expanded. NSInteger..
Using SSL in an iPhone App - Export Compliance http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance using SSL for this sort of purpose If so did you need to do anything to get permission to use it either from Apple or from the US government ios iphone ssl encryption app store share improve this question..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew such a transform is not linear. Therefore CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection..
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions your app is on a 4.0 device. Of course you have to gracefully handle working on older versions by either using older methods or not supporting particular features that need newer SDK support. NEW w XCode 4.2..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone Duplicate Manually drawing a gradient in iPhone apps My application needs to display text in either a View or Label but the back ground must be a gradient as opposed to a true color. Using a graphics..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either a single app all your apps or to a specific app with your company name specified. To send customers..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height that at various heights and widths there are visual glitches. Obviously these glitches would either need to be worked around somehow or choose another size that doesn't exhibit them. share improve this..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c it is also incremented set to 1 really when the object is created with an init method. In either of these cases it is my responsibility to call release on the object when I'm done with it. If I don't..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a 4.4 at step 3 choose Provisioning Profiles under LIBRARY. Then select your provisioning profiles either with the mouse or Command A. Also Apple is making improvements in the way they manage this aspect of..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample NSNotification notification 3 if Query is finished this will send the result i.e. either it found our text.dat or it didn't to the next function NSMetadataQuery query notification object query.. ubiq NSLog @ AppDelegate iCloud access self loadDocument else NSLog @ AppDelegate No iCloud access either you are using simulator or if you are on your phone you should check settings return YES @end The UIDocument..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone to this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting your app to recently upgraded 3G 3GS and 4 iPhones. However an intermediate..
iPhone Keyboard Covers UITextField http://stackoverflow.com/questions/1247113/iphone-keyboard-covers-uitextfield 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 text field farther up the screen iphone keyboard uitextfield share improve this question The usual solution..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout
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 or NSString filePath cachePath stringByAppendingPathComponent @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string above is using assuming one has been created . If you are trying to write an image into the photo library..
http://stackoverflow.com/questions/158914/cropping-a-uiimage displayed in UIWebViews . I've started to notice some crashes in this code and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the center portion of the image I set the..
How to scale a UIImageView proportionally? http://stackoverflow.com/questions/185652/how-to-scale-a-uiimageview-proportionally to scale a UIImageView proportionally I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. UIImage image UIImage alloc initWithData NSData dataWithContentsOfURL NSURL URLWithString @ http farm4.static.flickr.com 3092 2915896504_a88b69c9de.jpg..
Expand/collapse section in UITableView http://stackoverflow.com/questions/1938921/expand-collapse-section-in-uitableview indexPath.section withRowAnimation UITableViewRowAnimationFade You'd then setup your number numberOfRowsInSection to check the mybooleans value and return either 1 if the section isn't expanded or 1 the number of items in the section if it is expanded. NSInteger tableView UITableView tableView numberOfRowsInSection NSInteger..
Using SSL in an iPhone App - Export Compliance http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance nor do we have a US office. Has anyone else submitted an app using SSL for this sort of purpose If so did you need to do anything to get permission to use it either from Apple or from the US government ios iphone ssl encryption app store share improve this question For other people coming to find this answer The process..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew Now notice the x y factor in the transformation. This indicates such a transform is not linear. Therefore CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could..
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions make sure not to call a method that is 5.0 or 4.X only when your app is on a 4.0 device. Of course you have to gracefully handle working on older versions by either using older methods or not supporting particular features that need newer SDK support. NEW w XCode 4.2 To support older devices you need to add armv6 to the build..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c readwrite retain NSNumber bar @end @implementation Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone on UIView and UILabels On iPhone duplicate Possible Duplicate Manually drawing a gradient in iPhone apps My application needs to display text in either a View or Label but the back ground must be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display uses a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everything around it. So I guess..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store access your apps on the App Store directly from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either a single app all your apps or to a specific app with your company name specified. To send customers to a specific application http itunes.com apps appname To send..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c readwrite retain NSNumber bar @end @implementation Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through your synthesized or your custom accessor..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c reference count is incremented by calling retain . By convention it is also incremented set to 1 really when the object is created with an init method. In either of these cases it is my responsibility to call release on the object when I'm done with it. If I don't there will be a memory leak. Example of object creation NSString..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a above. Works like a charm. Edit for Xcode 4.4 With Xcode 4.4 at step 3 choose Provisioning Profiles under LIBRARY. Then select your provisioning profiles either with the mouse or Command A. Also Apple is making improvements in the way they manage this aspect of Xcode and some users have reported that the Refresh button..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample @ AppDelegate new document opened from iCloud void queryDidFinishGathering NSNotification notification 3 if Query is finished this will send the result i.e. either it found our text.dat or it didn't to the next function NSMetadataQuery query notification object query disableUpdates query stopQuery self loadData query NSNotificationCenter.. defaultManager URLForUbiquityContainerIdentifier nil if ubiq NSLog @ AppDelegate iCloud access self loadDocument else NSLog @ AppDelegate No iCloud access either you are using simulator or if you are on your phone you should check settings return YES @end The UIDocument MyTextDocument.h iCloudText #import Foundation Foundation.h..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the device and iOS limitations prior to using this controller or risk restricting your app to recently upgraded 3G..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout
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 @ SomeTmpFile.png Use that path for reading or writing. Note that you can make subdirectories in either of those writable paths which one of the example string above is using assuming one has been created . If you are trying..
http://stackoverflow.com/questions/158914/cropping-a-uiimage to notice some crashes in this code and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the..
How to scale a UIImageView proportionally? http://stackoverflow.com/questions/185652/how-to-scale-a-uiimageview-proportionally a UIImageView proportionally I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. UIImage image UIImage alloc initWithData NSData dataWithContentsOfURL NSURL URLWithString @ http farm4.static.flickr.com..
Expand/collapse section in UITableView http://stackoverflow.com/questions/1938921/expand-collapse-section-in-uitableview You'd then setup your number numberOfRowsInSection to check the mybooleans value and return either 1 if the section isn't expanded or 1 the number of items in the section if it is expanded. NSInteger tableView UITableView..
Using SSL in an iPhone App - Export Compliance http://stackoverflow.com/questions/2128927/using-ssl-in-an-iphone-app-export-compliance else submitted an app using SSL for this sort of purpose If so did you need to do anything to get permission to use it either from Apple or from the US government ios iphone ssl encryption app store share improve this question For other people..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew This indicates such a transform is not linear. Therefore CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual..
How To Make iPhone App compatible with multiple SDK (firmware) versions http://stackoverflow.com/questions/3027120/how-to-make-iphone-app-compatible-with-multiple-sdk-firmware-versions 5.0 or 4.X only when your app is on a 4.0 device. Of course you have to gracefully handle working on older versions by either using older methods or not supporting particular features that need newer SDK support. NEW w XCode 4.2 To support older..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone duplicate Possible Duplicate Manually drawing a gradient in iPhone apps My application needs to display text in either a View or Label but the back ground must be a gradient as opposed to a true color. Using a graphics program to create desired..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either a single app all your apps or to a specific app with your company name specified. To send customers to a specific application..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c Foo @synthesize bar void baz NSNumber numberOne NSNumber numberWithInt 1 Both set the value of bar through either the your custom or the synthesized setter method self setBar numberOne self.bar numberOne Both get the value of bar through..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c retain . By convention it is also incremented set to 1 really when the object is created with an init method. In either of these cases it is my responsibility to call release on the object when I'm done with it. If I don't there will be a memory..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a Xcode 4.4 With Xcode 4.4 at step 3 choose Provisioning Profiles under LIBRARY. Then select your provisioning profiles either with the mouse or Command A. Also Apple is making improvements in the way they manage this aspect of Xcode and some users..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample void queryDidFinishGathering NSNotification notification 3 if Query is finished this will send the result i.e. either it found our text.dat or it didn't to the next function NSMetadataQuery query notification object query disableUpdates query.. nil if ubiq NSLog @ AppDelegate iCloud access self loadDocument else NSLog @ AppDelegate No iCloud access either you are using simulator or if you are on your phone you should check settings return YES @end The UIDocument MyTextDocument.h..
UITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation holds items for this section. modelForSection removeItem self itemForRowAtIndexPath indexPath tableView beginUpdates Either delete some rows within a section leaving at least one or the entire section. if modelForSection.items count 0 Section..
Where to determine UIView size http://stackoverflow.com/questions/1103089/where-to-determine-uiview-size ivar. At the time the loadView method is called you use this ivar to create the view. What is the good way to go here Either setting the view's frame twice initializing with CGRectZero and setting afterwards or giving the UIViewController a new..
iphone Core Data Unresolved error while saving http://stackoverflow.com/questions/1283960/iphone-core-data-unresolved-error-while-saving objective c ios core data share improve this question It means there's a mandatory property has been assigned nil. Either in your .xcodatamodel check the optional box or when you are saving to the managedObjectContext make sure that your properties..
http://stackoverflow.com/questions/13511733/how-to-make-supplementary-view-float-in-uicollectionview-as-section-headers-do-i would be greatly appreciated iphone uitableview view uicollectionview supplementary share improve this question Either implement the following delegate methods collectionView layout sizeForItemAtIndexPath collectionView layout insetForSectionAtIndex..
Aspect-Oriented Objective-C Library? http://stackoverflow.com/questions/1508396/aspect-oriented-objective-c-library an old project called AspectCocoa this might be what you are searching for. Otherwise would suggest rolling your own. Either proxy based AOP by subclassing NSProxy for a change. Or you could do some method swizzling with the quite cool Obj C run..
What is the right choice between NSDecimal, NSDecimalNumber, CFNumber? http://stackoverflow.com/questions/1704504/what-is-the-right-choice-between-nsdecimal-nsdecimalnumber-cfnumber One comment on the code you posted r obj performSelector NSSelectorFromString @ capitalizedAmount is rather unelegant. Either r obj performSelector @selector capitalizedAmount or even the simple r obj capitalizedAmount would be better unless you..
Convert Flash art to OpenGL-ready vector format? http://stackoverflow.com/questions/1754508/convert-flash-art-to-opengl-ready-vector-format iphone flash opengl flash cs4 share improve this question I would recommend converting the swfs to .svg format Either in Illustrator or with this online tool . I actually used a small java console app to automate this part for what I had..
Singleton shared data source in Objective-C http://stackoverflow.com/questions/355449/singleton-shared-data-source-in-objective-c getting deallocated and their memory is being used up by other objects later on in your application's lifetime. Either retain your objects that you're creating there or use the non convenience methods to generate them. searchDict NSDictionary..
UIWebView and iPhone 4 retina display http://stackoverflow.com/questions/3724058/uiwebview-and-iphone-4-retina-display and iPhone 4 retina display I have a UIWebView which displays some local text and images. Either I've made a mistake somewhere or the UIWebView doesn't automatically handle the @2x suffix for high resolution images. So..
iphone - UIColor leaking… need to release the object? http://stackoverflow.com/questions/3868742/iphone-uicolor-leaking-need-to-release-the-object for some time using the simulator and then sending a memory warning to see if UIColor will purge its cache. Either way there isn't anything you can really do to fix leaks happening inside core frameworks so don't try. Just make sure you're..
Is there an offline geocoding framework, library, or database for iOS? http://stackoverflow.com/questions/4373730/is-there-an-offline-geocoding-framework-library-or-database-for-ios and longitude for sunrise and sunset calculations. The information must be in a format that will work on iPhone OS. Either a database file or written in C Objective C iphone location geocoding share improve this question What I would recommend..
Is there a way to convert an iOS app to a Mac OS X app? http://stackoverflow.com/questions/4714063/is-there-a-way-to-convert-an-ios-app-to-a-mac-os-x-app
Xcode Exit Code 1 - Duplicate Symbol http://stackoverflow.com/questions/5148466/xcode-exit-code-1-duplicate-symbol the sunnyHillsTL class that gets put into libcocoas2d libraries.a and then you are using the same object file as well. Either don't directly use the class in your target don't add the class to the target if you're using the library or don't have..
Running script only for an 'Archive' build in Xcode 4 http://stackoverflow.com/questions/5471396/running-script-only-for-an-archive-build-in-xcode-4 chooses 'Archive' as opposed to running it every time they build. Is there any way of testing for this situation Either in Shell Script or Apple Script iphone xcode xcode4 share improve this question In Xcode 4 you could run this script..
How to Parse XML File using xmlparsing on iphone? http://stackoverflow.com/questions/5715174/how-to-parse-xml-file-using-xmlparsing-on-iphone Make sure this tag is one of the ones allowed to repeat in the DTD CHILDREN COMMENT comments here COMMENT EMAILONE Either use fixed tags like this or change to a repeating tag EMAILONE EMAILTWO second email line EMAILTWO EMAILTHREE third EMAILTHREE..
The term “Context” in programming? http://stackoverflow.com/questions/6145091/the-term-context-in-programming you money so you'll probably have to show them a driver's license or swipe your ATM card and enter your PIN number. Either way what you're providing is context . The teller uses this information to move the transaction forward. They may then ask.. into your Google search to get better results and sometimes it's required like providing your PIN number at the ATM . Either way it's information that usually helps to get stuff done. Now let's say you take your 100 and buy a plane ticket to fly..
AudioQueue how to find out playback length of queued data http://stackoverflow.com/questions/7375309/audioqueue-how-to-find-out-playback-length-of-queued-data optimize the file. break case kAudioFileInvalidChunkError NSException raise @ AudioFileInvalidChunkError format @ Either the chunk does not exist in the file or it is not supported by the file. break case kAudioFileDoesNotAllow64BitDataSizeError..
App rejected: strange iPhone crash log http://stackoverflow.com/questions/7885682/app-rejected-strange-iphone-crash-log onto organizer it should try to symbolicate the crashlog . If not do it. When you do it there are two possibilities Either the iMetroRoma functions will get symbolicated meaning you'll see which line is crashing it or it wont. X If it does you..
Encrypting SQLite Database file in iPhone OS http://stackoverflow.com/questions/929744/encrypting-sqlite-database-file-in-iphone-os share improve this question You cannot trust the client period. If your standalone app can decrypt it so will they. Either put the data on a server or don't bother as the number of people who actually crack it to enhance stats will be minuscule..
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