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2014/10/15 ¤U¤È 10:10:33
iphone Programming Glossary: introducedgcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint c minx miny midx miny ROUND_SIZE This gave an error indicated..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec declaring and implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected past value of the slide was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now run the demo program. It has #defines for all five methods. Truly astounding alternate solution introduced by Tom Swift.................. Tom Swift has explained the amazing idea of quite simply manipulating..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone for cube map and 3D textures if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet methods of the Foo class I use for example _bar aBar instead of using bar aBar The 'Analyse' tool introduced by Xcode 4 gives me this warning I'm using version 4.0.2 Instance variable 'bar' in class 'Foo' is never..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign strong vs retain and weak vs assign There are two new memory management attributes for properties introduced by ARC strong and weak . Apart from copy which is obviously something completely different are there..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint c minx miny midx miny ROUND_SIZE This gave an error indicated that it wasn't declared so I added to my .h file the following..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec of type MyClass. myClass setMyVar v 1 Because manually declaring and implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property nonatomic int myVar @end MyClass.m @implementation MyClass..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected your executable. Usually the first entry . Since in the past value of the slide was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized for security reasons. share improve this..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring use NSAttributedString Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string that has three colours. The reason..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now do not use a background process. For the result of what works run the demo program. It has #defines for all five methods. Truly astounding alternate solution introduced by Tom Swift.................. Tom Swift has explained the amazing idea of quite simply manipulating the run loop . Here's how you trigger the run loop NSRunLoop..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone restrictions for 2D textures. The restrictions remain in place for cube map and 3D textures if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application to pass in 2D texture dimensions that may or may not..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet nil _bar aBar return self @end In the implementation of some methods of the Foo class I use for example _bar aBar instead of using bar aBar The 'Analyse' tool introduced by Xcode 4 gives me this warning I'm using version 4.0.2 Instance variable 'bar' in class 'Foo' is never used by the methods in its @implementation although it..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign C ARC strong vs retain and weak vs assign There are two new memory management attributes for properties introduced by ARC strong and weak . Apart from copy which is obviously something completely different are there any differences between strong vs retain and weak vs assign..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap able to do this in a way that wasn't detected during review My apologies if I'm missing something obvious that was introduced with a later version of iOS here. iphone objective c ios share improve this question Looked into it and it doesnt link..
gcc-4.2 failed with exit code 1 iphone http://stackoverflow.com/questions/1248520/gcc-4-2-failed-with-exit-code-1-iphone I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such CGContextAddArcToPoint c minx miny midx miny ROUND_SIZE This gave an error indicated that it wasn't declared..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec 1 Because manually declaring and implementing every accessor method was quite annoying @property and @synthesize were introduced to automatically generate the accessor methods MyClass.h @interface MyClass NSObject int myVar @property nonatomic int myVar..
How to save the content in UIWebView for faster loading on next launch? http://stackoverflow.com/questions/1343515/how-to-save-the-content-in-uiwebview-for-faster-loading-on-next-launch to save the content in UIWebView for faster loading on next launch I know that there are some caching classes introduced in the iphone sdk recently and there is also a TTURLRequest from three20's library that allows you to cache a request to..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected . Since in the past value of the slide was equal to value of the load address this always worked. But since Apple introduced Address space layout randomization beginning with iOS 4.3 in different variations the apps loading address is randomized..
What exactly must I do in viewDidUnload? http://stackoverflow.com/questions/2261972/what-exactly-must-i-do-in-viewdidunload exactly must I do in viewDidUnload I tend to release my stuff in dealloc and now iPhone OS 3.0 introduced this funny viewDidUnload method where they say Release any retained subviews of the main view. e.g. self.myOutlet nil So..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the..
http://stackoverflow.com/questions/3088624/support-legacy-iphone-users is pretty painless is it a reasonable expect most users to update The application itself doesn't really need anything introduced in the new OS but some of the traditional animation techniques are now discouraged in favor of their block based counterparts...
How to refresh a UIWebView by a “pull down and release” gesture? http://stackoverflow.com/questions/3223627/how-to-refresh-a-uiwebview-by-a-pull-down-and-release-gesture that natively iphone uiwebview scrolling pull to refresh share improve this question FYI iOS 5 has officially introduced the property scrollView in UIWebView. I tested it. It worked perfectly with EGO's pull and refresh code. So the problem..
How do you use NSAttributedString? http://stackoverflow.com/questions/3482346/how-do-you-use-nsattributedstring in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 or around 3.2 and is available on the iPhone as of iPhone SDK 4.0 beta . I would like to have a string..
Is there a way for XCode to warn about new API calls? http://stackoverflow.com/questions/4676000/is-there-a-way-for-xcode-to-warn-about-new-api-calls new API calls On more than one occasion I've seen crashing bugs appear on iOS 3.x due to use of a new call that was introduced in 4.x without proper checking. Is there a way for XCode to warn about classes methods and procedures that are only available..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now result of what works run the demo program. It has #defines for all five methods. Truly astounding alternate solution introduced by Tom Swift.................. Tom Swift has explained the amazing idea of quite simply manipulating the run loop . Here's..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone remain in place for cube map and 3D textures if supported. There is no additional procedural or enumerant API introduced by this extension except that an implementation which exports the extension string will allow an application to pass in..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet of some methods of the Foo class I use for example _bar aBar instead of using bar aBar The 'Analyse' tool introduced by Xcode 4 gives me this warning I'm using version 4.0.2 Instance variable 'bar' in class 'Foo' is never used by the methods..
iPhone — How to find topmost view controller http://stackoverflow.com/questions/6131205/iphone-how-to-find-topmost-view-controller is it possible to find the topmost view iphone objective c uiviewcontroller share improve this question iOS 4 introduced the rootViewController property on UIWindow UIApplication sharedApplication .keyWindow.rootViewController You'll need to..
What is the difference between Objective-C automatic reference counting and garbage collection? http://stackoverflow.com/questions/7874342/what-is-the-difference-between-objective-c-automatic-reference-counting-and-garb between Objective C automatic reference counting and garbage collection With the new automatic reference counting ARC introduced in Xcode 4.2 we no longer need to manually manage retain release in Objective C. This seems similar to garbage collection..
Core Data's NSPrivateQueueConcurrencyType and sharing objects between threads http://stackoverflow.com/questions/8637921/core-datas-nsprivatequeueconcurrencytype-and-sharing-objects-between-threads Data's NSPrivateQueueConcurrencyType and sharing objects between threads iOS 5 introduced a new way to quickly fetch data on a background thread by initializing the MOC using NSPrivateQueueConcurrencyType and then..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign C ARC strong vs retain and weak vs assign There are two new memory management attributes for properties introduced by ARC strong and weak . Apart from copy which is obviously something completely different are there any differences between..
How do I know whether the compiler has ARC support enabled? http://stackoverflow.com/questions/9462372/how-do-i-know-whether-the-compiler-has-arc-support-enabled #endif Update Combined they would take the general form #if defined __clang #if defined __has_feature idk when clang introduced this #error This version of clang does not support __has_feature #endif #define MON_IS_ARC_ENABLED_IN_THIS_TRANSLATION __has_feature..
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