¡@
2014/10/15 ¤U¤È 10:14:41
iphone Programming Glossary: synthesizeAutorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour the supported orientations. Instead the shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec methods and properties here @end @implementation SampleClass 6 define ivars 7 define methods and synthesize properties from both public and private interfaces @end My understanding of 1 and 4 is that those are.. My take from working with iOS is that ivars have been alost completely phased out outside of the @synthesize directive and thus can be mostly ignored. Is that the case Regarding 5 why would I ever want to declare.. 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..
http://stackoverflow.com/questions/2032826/property-synthesize @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms.. @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms iphone share improve.. @property declares a property in your class header @property nonatomic retain NSString myString @synthesize creates your setter and getter for your property accessor methods Without synthesize you have to write..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone.. of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c share improve this.. on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy.. and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back id myDelegate @property nonatomic assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe.. assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe to the SecondDelegate protocol by doing..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder UIViewController subclass @property nonatomic retain IBOutlet UIView myViewFromNib dont forget to synthesize it and release it in your .m file 3 open your nib we'll call it 'myViewNib.xib' in IB set you file's..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour to using the app app delegate or Info.plist file to determine the supported orientations. Instead the shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your whole app to rotate then you should set your Info.plist to..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec @interface SampleClass 5 private interface can define private methods and properties here @end @implementation SampleClass 6 define ivars 7 define methods and synthesize properties from both public and private interfaces @end My understanding of 1 and 4 is that those are C style file based declarations and definitions that have.. before. Are there other convenient uses I'm missing My take from working with iOS is that ivars have been alost completely phased out outside of the @synthesize directive and thus can be mostly ignored. Is that the case Regarding 5 why would I ever want to declare methods in private interfaces My private class methods seem.. myClass is an object 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..
http://stackoverflow.com/questions/2032826/property-synthesize @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms iphone share improve this question You asked for simple.. @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms iphone share improve this question You asked for simple terms @property declares.. share improve this question You asked for simple terms @property declares a property in your class header @property nonatomic retain NSString myString @synthesize creates your setter and getter for your property accessor methods Without synthesize you have to write your own setter and getter implemention like getMyString..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c share improve this question There is not consensus.. a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c share improve this question There is not consensus on this. Some people like.. . 2 even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation c share improve this question On the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to synthesize the ivar.. the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of the iPhone simulator use the modern runtime but older ones..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back stringForFirst @end @interface SecondViewController UIViewController id myDelegate @property nonatomic assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe to the SecondDelegate protocol by doing this #import SecondViewController.h.. UIViewController id myDelegate @property nonatomic assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe to the SecondDelegate protocol by doing this #import SecondViewController.h @interface FirstViewController..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder the loaded nib's view for instance in MyViewController a UIViewController subclass @property nonatomic retain IBOutlet UIView myViewFromNib dont forget to synthesize it and release it in your .m file 3 open your nib we'll call it 'myViewNib.xib' in IB set you file's Owner to MyViewController 4 now connect your file's Owner outlet..
Facebook sdk post on wall on iPhone app http://stackoverflow.com/questions/11540372/facebook-sdk-post-on-wall-on-iphone-app FacebookSDK.h then @property strong nonatomic FBRequestConnection requestConnection and of course do not forget to synthesize @synthesize requestConnection the code itself IBAction likeButtonPressed id sender NSLog @ likeButtonPressed called FBSample.. then @property strong nonatomic FBRequestConnection requestConnection and of course do not forget to synthesize @synthesize requestConnection the code itself IBAction likeButtonPressed id sender NSLog @ likeButtonPressed called FBSample logic Check..
Does an IBOutlet needs to be a property & synthesized? http://stackoverflow.com/questions/1221516/does-an-iboutlet-needs-to-be-a-property-synthesized an IBOutlet needs to be a property synthesized In most examples I see the following setup of IBOutlets Example A FooController.h @interface FooController UIViewController.. fooLabel @property nonatomic retain IBOutlet UILabel fooLabel @end FooController.m @implementation FooController @synthesize fooLabel @end But this works also fine notice no property and no synthesize Example B FooController.h @interface FooController.. @implementation FooController @synthesize fooLabel @end But this works also fine notice no property and no synthesize Example B FooController.h @interface FooController UIViewController IBOutlet UILabel fooLabel @end FooController.m @implementation..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour file to determine the supported orientations. Instead the shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your whole app to rotate..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec can define private methods and properties here @end @implementation SampleClass 6 define ivars 7 define methods and synthesize properties from both public and private interfaces @end My understanding of 1 and 4 is that those are C style file based.. uses I'm missing My take from working with iOS is that ivars have been alost completely phased out outside of the @synthesize directive and thus can be mostly ignored. Is that the case Regarding 5 why would I ever want to declare methods in private.. 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..
How do I synthesize sounds with CoreAudio on iPhone/Mac http://stackoverflow.com/questions/1361148/how-do-i-synthesize-sounds-with-coreaudio-on-iphone-mac do I synthesize sounds with CoreAudio on iPhone Mac I'd like to play a synthesised sound in an iPhone. Instead of using a pre recorded.. improve this question What you want to do it probably to setup an AudioQueue. It allows you to fill a buffer with synthesized audio data in a callback. You would setup the AudeioQueue to run in a new thread as such #define BUFFER_SIZE 16384 #define..
Monotouch or Titanium for rapid application development on IPhone? http://stackoverflow.com/questions/1488402/monotouch-or-titanium-for-rapid-application-development-on-iphone anyway requires that you declare a local variable to back the property write the property declaration and then use the synthesize directive to have the property generated for you depending on what property attributes you specify you might have a property..
How to access a property of a viewcontroller from another one? iPhone http://stackoverflow.com/questions/15063078/how-to-access-a-property-of-a-viewcontroller-from-another-one-iphone from another one iPhone I define a property in the viewcontroller A @property nonatomic BOOL updateOnServer and also synthesize it give it values and then I try to access this variable from another viewcontroller B like this A view A alloc init if..
Can't connect IBOutlet in Interface Builder http://stackoverflow.com/questions/1746281/cant-connect-iboutlet-in-interface-builder and see them rendered if I run. Now i'm trying to add a few IBOutlets to the controller so I add them to the .h file synthesize on the .m file. Then i head over to Interface Builder to connect the outlets. I drag the UILabel to the UIView and then..
http://stackoverflow.com/questions/2032826/property-synthesize @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms iphone share improve.. @synthesize Why you are @synthesize and @property things on Xcode What is the explanation in really simple terms iphone share improve this question You.. for simple terms @property declares a property in your class header @property nonatomic retain NSString myString @synthesize creates your setter and getter for your property accessor methods Without synthesize you have to write your own setter and..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c share.. I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing Thanks iphone objective c share improve this question There is.. refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be..
Property Declaration and Automatic Backing Storage Allocation http://stackoverflow.com/questions/3238009/property-declaration-and-automatic-backing-storage-allocation the modern Objective C runtime nonfragile abi they are the same the ivar backing will be created automatically by the @synthesize declaration. This is the runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it.. runtime used by iPhone and 64 bit Mac OS X apps. 32 bit Mac OS X use the legacy runtime where it is not possible to synthesize the ivar and the second bit of code you wrote would not compile properly. The most recent versions of the iPhone simulator..
Can someone explain this @synthesize syntax? http://stackoverflow.com/questions/3277209/can-someone-explain-this-synthesize-syntax someone explain this @synthesize syntax I'm following the example Navigation View template with core data in the latest iOS SDK. In the rootViewController.m.. Navigation View template with core data in the latest iOS SDK. In the rootViewController.m file I see this in the @synthesize line @synthesize fetchedResultsController fetchedResultsController_ managedObjectContext managedObjectContext_ Where the.. template with core data in the latest iOS SDK. In the rootViewController.m file I see this in the @synthesize line @synthesize fetchedResultsController fetchedResultsController_ managedObjectContext managedObjectContext_ Where the header file is @private..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back UIViewController id myDelegate @property nonatomic assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe to the SecondDelegate.. @property nonatomic assign id SecondDelegate myDelegate Dont forget to synthesize the myDelegate in your .m file @synthesize myDelegate In your firstViewController's header file subscribe to the SecondDelegate protocol by doing this #import SecondViewController.h..
How to pass an array from one view controller to another? http://stackoverflow.com/questions/6678097/how-to-pass-an-array-from-one-view-controller-to-another SecondViewController UIViewController NSMutableArray array @property nonatomic assign NSArray array in .m file synthesize it like @synthesize array Now in FirstViewconrtoller just assign it SecondViewController controller SecondViewController.. UIViewController NSMutableArray array @property nonatomic assign NSArray array in .m file synthesize it like @synthesize array Now in FirstViewconrtoller just assign it SecondViewController controller SecondViewController alloc .... controller.array..
http://stackoverflow.com/questions/6696893/show-hide-tab-bar Now reference your Login View Controller like @class LoginController and create an object LoginViewController lvc and synthesize it. Now declare LoginButton and in the IBAction IBAction loginAction id sender NSLog @ I clicked Login if self.lvc nil self.lvc..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically objects which I believe noone does you can make any class look like any other class. This opens up a possibility to synthesize any touches you want with any coordinates you want. Backup strategy there's TTScrollView a sane reimplementation of UIScrollView..
How to handle Objective-C protocols that contain properties? http://stackoverflow.com/questions/844678/how-to-handle-objective-c-protocols-that-contain-properties writing a concrete superclass that subclasses extend. The question is if you conform to this protocol do you need to synthesize the properties yourself If you're extending a superclass the answer is obviously no you do not need to. But how does one.. @end TestProtocolsViewController.m #import TestProtocolsViewController.h @implementation TestProtocolsViewController @synthesize anObject anObject doesn't exist even though we conform to MyProtocol. void dealloc anObject release anObject doesn't exist.. in your class that conforms to your protocol you have to do everything to make sure anObject works. @property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter and or setter method..
How to resolve 'unrecognized selector sent to instance'? http://stackoverflow.com/questions/861626/how-to-resolve-unrecognized-selector-sent-to-instance ClassA.h @interface ClassA NSObject ... NSString downloadUrl @property nonatomic copy NSString downloadUrl ClassA.m @synthesize downloadUrl In the calling app's appDelegate. app delegate header file @interface myApp NSObject UIApplicationDelegate ClassA.. myApp NSObject UIApplicationDelegate ClassA classA @property nonatomic retain ClassA classA app delegate .m file @synthesize classA void applicationDidFinishLaunching UIApplication application classA ClassA alloc init exception occurs here. downloadUrl.. objective c iphone cocoa touch memory management static libraries share improve this question 1 Is the synthesize within @implementation block 2 Should you refer to self.classA ClassA alloc init and self.classA.downloadUrl @ ... instead..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder MyViewController a UIViewController subclass @property nonatomic retain IBOutlet UIView myViewFromNib dont forget to synthesize it and release it in your .m file 3 open your nib we'll call it 'myViewNib.xib' in IB set you file's Owner to MyViewController..
|