2014/10/15 下午 10:14:41

iphone Programming Glossary: syntax

How to convert time to the timezone of the iPhone device?

http://stackoverflow.com/questions/1081647/how-to-convert-time-to-the-timezone-of-the-iphone-device

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass is an object of type.. shorter code. The accessor methods will be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar.. you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming myClass is an object of type MyClass...

Property Declaration and Automatic Backing Storage Allocation

http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation

I'm trying to understand Objective C properties and I have some lingering questions about their syntax. What is the difference between explicitly declaring an ivar for a property like this @interface myObject1..

Prefixing property names with an underscore in Objective C [duplicate]

http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c

the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo NSObject NSNumber bar @property readwrite retain NSNumber..

UITextView with Syntax Highlighting [duplicate]

http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting

it. Is there a Framework or Library that can do Syntax Highlighting in a UITextView specifically syntax highlighting and detection for Objective C on the iPhone . Some of my Ideas of how to do this NSAttributedString..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

book but I don't know how much if any applies to iPhone development. And I find the Objective C syntax somewhat confusing with the weird nested method naming things like id that don't make sense and the..

NSXMLParser example

http://stackoverflow.com/questions/4705588/nsxmlparser-example

How to parse a date string into an NSDate object in iOS?

http://stackoverflow.com/questions/4999396/how-to-parse-a-date-string-into-an-nsdate-object-in-ios

in an iPhone app I am aware this must have been asked before however I believe I have the right syntax but it is not working. Is there a problem with my code The date string I need to parse is 2011 01 21T12..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

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 accessors a good thing if you are setting strings..

Property vs instance variable in Objective-C [duplicate]

http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c

How to convert time to the timezone of the iPhone device?

http://stackoverflow.com/questions/1081647/how-to-convert-time-to-the-timezone-of-the-iphone-device

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

newVar if newVar myVar myVar newVar @end This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass is an object of type MyClass. myClass setMyVar v 1 Because manually declaring and.. MyClass @synthesize myVar @end The result is much clearer and shorter code. The accessor methods will be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming myClass is an object of type MyClass... shorter code. The accessor methods will be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming myClass is an object of type MyClass. myClass.myVar v 1 Since Xcode 4.4 you don't have to declare..

Property Declaration and Automatic Backing Storage Allocation

http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation

Declaration and Automatic Backing Storage Allocation I'm trying to understand Objective C properties and I have some lingering questions about their syntax. What is the difference between explicitly declaring an ivar for a property like this @interface myObject1 NSObject NSString title @property copy NSString title..

Prefixing property names with an underscore in Objective C [duplicate]

http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c

when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo NSObject NSNumber bar @property readwrite retain NSNumber bar @end @implementation Foo @synthesize bar void baz NSNumber..

UITextView with Syntax Highlighting [duplicate]

http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting

on this already but it didn't have a complete answer to it. Is there a Framework or Library that can do Syntax Highlighting in a UITextView specifically syntax highlighting and detection for Objective C on the iPhone . Some of my Ideas of how to do this NSAttributedString . Now available in iOS 3.2 and greater. But how..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find the Objective C syntax somewhat confusing with the weird nested method naming things like id that don't make sense and the scary thought that I have to do manual memory management. Where..

NSXMLParser example

http://stackoverflow.com/questions/4705588/nsxmlparser-example

How to parse a date string into an NSDate object in iOS?

http://stackoverflow.com/questions/4999396/how-to-parse-a-date-string-into-an-nsdate-object-in-ios

trying to parse a date string from xml into an NSDate object in an iPhone app I am aware this must have been asked before however I believe I have the right syntax but it is not working. Is there a problem with my code The date string I need to parse is 2011 01 21T12 26 47 05 00 The code I am using to parse it is self.dateFormatter..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

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 accessors a good thing if you are setting strings and want to ensure the retain count is correct for example..

Property vs instance variable in Objective-C [duplicate]

http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c

How to convert time to the timezone of the iPhone device?

http://stackoverflow.com/questions/1081647/how-to-convert-time-to-the-timezone-of-the-iphone-device

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass is an object of type MyClass. myClass setMyVar.. is much clearer and shorter code. The accessor methods will be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming.. be implemented for you and you can still use the bracket syntax as before. But in addition you can also use the dot syntax to access properties OtherClass.m int v myClass.myVar assuming myClass is an object of type MyClass. myClass.myVar v 1 Since..

How can my iPhone Objective-C code get notified of Javascript errors in a UIWebView?

http://stackoverflow.com/questions/193119/how-can-my-iphone-objective-c-code-get-notified-of-javascript-errors-in-a-uiwebv

I need to have my iPhone Objective C code catch Javascript errors in a UIWebView. That includes uncaught exceptions syntax errors when loading files undefined variable references etc. This is for a development environment so it doesn't need to..

SEL performSelector and arguments

http://stackoverflow.com/questions/2716143/sel-performselector-and-arguments

an easy way to call a selector with some arguments when all you have is a SEL object. I can't seem to find the correct syntax. MyClass init SEL sel owner NSObject parent int i 10 parent performSelector sel i iphone objective c selectors share..

Property Declaration and Automatic Backing Storage Allocation

http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation

Storage Allocation I'm trying to understand Objective C properties and I have some lingering questions about their syntax. What is the difference between explicitly declaring an ivar for a property like this @interface myObject1 NSObject NSString..

How can I programmatically pause an NSTimer?

http://stackoverflow.com/questions/347219/how-can-i-programmatically-pause-an-nstimer

input. While the user is providing input I'd like to pause i.e. something like this myNSTimer pause I'm using this syntax because I've been doing things like myNSTimer invalidate when I want it to stop. How can I programmatically pause the NSTimer..

What does this ^ syntax mean in Objective-C?

http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c

does this ^ syntax mean in Objective C In iPhone SDK 4.0 UIApplication has a new method setKeepAliveTimeout that requires a second parameter.. ^ void '. BOOL setKeepAliveTimeout NSTimeInterval timeout handler void ^ void keepAliveHandler What exactly does the syntax of the second param mean and how would I declare a function handler that I can pass into it FWIW the following is not what..

Prefixing property names with an underscore in Objective C [duplicate]

http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c

directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo NSObject NSNumber bar @property readwrite retain NSNumber bar @end @implementation..

UITextView with Syntax Highlighting [duplicate]

http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting

a complete answer to it. Is there a Framework or Library that can do Syntax Highlighting in a UITextView specifically syntax highlighting and detection for Objective C on the iPhone . Some of my Ideas of how to do this NSAttributedString . Now available..

Want to display a 3D model on the iPhone: how to get started?

http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started

I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find the Objective C syntax somewhat confusing with the weird nested method naming things like id that don't make sense and the scary thought that I..

NSXMLParser example

http://stackoverflow.com/questions/4705588/nsxmlparser-example

How to parse a date string into an NSDate object in iOS?

http://stackoverflow.com/questions/4999396/how-to-parse-a-date-string-into-an-nsdate-object-in-ios

into an NSDate object in an iPhone app I am aware this must have been asked before however I believe I have the right syntax but it is not working. Is there a problem with my code The date string I need to parse is 2011 01 21T12 26 47 05 00 The..

Grand Central Dispatch (GCD) vs. performSelector - need a better explanation

http://stackoverflow.com/questions/5225130/grand-central-dispatch-gcd-vs-performselector-need-a-better-explanation

to think of them as interchangeable that is performSelectorOnMainThread waitUntilDone is an Obj C wrapper to the GCD C syntax. I've been thinking of these two commands as equivalent dispatch_sync dispatch_get_main_queue ^ self doit YES self performSelectorOnMainThread..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

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 accessors a good thing if you are setting strings and want to ensure..

Difference between protocol and delegates?

http://stackoverflow.com/questions/5431413/difference-between-protocol-and-delegates

class iphone objective c delegates protocols share improve this question A protocol declared with the @protocol syntax in Objective C is used the declare a set of methods that a class that adopts declares that it will use this protocol will..

Property vs instance variable in Objective-C [duplicate]

http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c

How to post more parameters with image upload code in iOS?

http://stackoverflow.com/questions/10618056/how-to-post-more-parameters-with-image-upload-code-in-ios

NSError error NSString errorString NSString stringWithFormat @ Error @ error Standard UIAlert Syntax UIAlertView myAlert UIAlertView alloc initWithTitle @ Connection Error message errorString delegate nil cancelButtonTitle.. @ OK otherButtonTitles nil nil myAlert show void handleNoAccessWithReason NSString reason Standard UIAlert Syntax UIAlertView myAlert UIAlertView alloc initWithTitle @ No Access message reason delegate nil cancelButtonTitle @ OK ..

Cross-compile Autotools-based Libraries for Official iPhone SDK

http://stackoverflow.com/questions/1602182/cross-compile-autotools-based-libraries-for-official-iphone-sdk

#define PACKAGE_STRING #define PACKAGE_BUGREPORT end confdefs.h. #ifdef __STDC__ # include #else # include #endif Syntax error configure 7857 Developer Platforms iPhoneOS.platform Developer usr bin cpp 4.2 std c99 arch armv6 pipe no cpp precomp.. #define PACKAGE_STRING #define PACKAGE_BUGREPORT end confdefs.h. #ifdef __STDC__ # include #else # include #endif Syntax error configure 7926 error in ` Users michaelsafyan Downloads apr 1.3.8' configure 7929 error C preprocessor Developer Platforms..

UITextView w/ Syntax Highlighting [closed]

http://stackoverflow.com/questions/2638752/uitextview-w-syntax-highlighting

w Syntax Highlighting closed Is there a common library parser etc. for Cocoa or Cocoa Touch that can take a chunk of text and do..

What does this ^ syntax mean in Objective-C?

http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c

to GCC 4.2 and clang and has submitted it for consideration as part of the next version of the C programming language. Syntax A block variable looks like a function pointer except with a caret 樫 instead of an asterisk . void ^my_block void share..

UITextView with Syntax Highlighting [duplicate]

http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting

with Syntax Highlighting duplicate Possible Duplicate UITextView w Syntax Highlighting I've found a question on this already but it.. with Syntax Highlighting duplicate Possible Duplicate UITextView w Syntax Highlighting I've found a question on this already but it didn't have a complete answer to it. Is there a Framework or Library.. a question on this already but it didn't have a complete answer to it. Is there a Framework or Library that can do Syntax Highlighting in a UITextView specifically syntax highlighting and detection for Objective C on the iPhone . Some of my Ideas..

Center text in a UILabel

http://stackoverflow.com/questions/3743904/center-text-in-a-uilabel

improve this question The Code is yourLabel setTextAlignment UITextAlignmentCenter or of course the Obj C 2.0 Dot Syntax yourLabel.textAlignment UITextAlignmentCenter For iOS 6 and higher you should use NSTextAlignmentCenter instead of UITextAlignmentCenter..

How do I flag a method as deprecated in Objective-C 2.0?

http://stackoverflow.com/questions/3908715/how-do-i-flag-a-method-as-deprecated-in-objective-c-2-0

which will flag a warning in XCode iphone objective c deprecated share improve this question Deprecation Syntax Syntax is provided to mark methods as deprecated @interface SomeClass method __attribute__ deprecated @end or #include AvailabilityMacros.h.. which will flag a warning in XCode iphone objective c deprecated share improve this question Deprecation Syntax Syntax is provided to mark methods as deprecated @interface SomeClass method __attribute__ deprecated @end or #include AvailabilityMacros.h..

How to specify decimal places when formatting NSNumber objects?

http://stackoverflow.com/questions/524827/how-to-specify-decimal-places-when-formatting-nsnumber-objects

@ ###.00 for 55.23 and .23 and .20 formatter setFormat @ ##0.00 for 55.23 and 0.23 and 0.20 See Number Format String Syntax Mac OS X Versions 10.0 to 10.3 Or you can use a 10.4 formatter with setMinimumFractionDigits and setMaximumFractionDigits..

@property/@synthesize question

http://stackoverflow.com/questions/5903281/property-synthesize-question

self article Some suggestions on reading all official documents by Apple The Objective C Programming Language Dot Syntax Declared Properties Memory Management Programming Guide Object Ownership and Disposal Using Accessor Methods share improve..

Syntax help - Variable as object name [duplicate]

http://stackoverflow.com/questions/7940809/syntax-help-variable-as-object-name

help Variable as object name duplicate Possible Duplicate create multiple variables based on an int count Objective C Equivalent..