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2014/10/15 ¤U¤È 10:05:32
iphone Programming Glossary: conventioniPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew instead of relying on the CATransform3DMake functions. You may need to perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size of the iPad is 768 1024 notice in the dimensions..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet How does an underscore in front of a variable in a cocoa objective c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c it but I'm just not over the hump yet. How do release retain and autorelease work and what are the conventions about their use Or failing that what did you read which helped you get it iphone objective c cocoa.. about me. As described above an object's 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.. for us so we don't have to and in fact we shouldn't . What's important to note is that again by convention all object creation class methods return an autoreleased object. For example in the following example..
`[super viewDidLoad]` convention http://stackoverflow.com/questions/844195/super-viewdidload-convention super viewDidLoad ` convention I see some example code with super viewDidLoad called before your implementation and after your implementation...
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral x1a y1a x2a y2a x3a y3a x4a y4a use this function you..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen I googled iPad default png and got this info from the phunkwerks site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size of the iPad is 768 1024 notice in the dimensions that follow the height takes into account a 20 pixel status..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet the 'Analyze' tool of Xcode 4 duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable method argument naming in Objective C I copy paste his..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c confused. I'm told it's very elegant once you understand it but I'm just not over the hump yet. How do release retain and autorelease work and what are the conventions about their use Or failing that what did you read which helped you get it iphone objective c cocoa memory share improve this question Let's start with retain.. then I need to make sure the object's reference count knows about me. As described above an object's 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.. perspective as programmers it takes care of calling release for us so we don't have to and in fact we shouldn't . What's important to note is that again by convention all object creation class methods return an autoreleased object. For example in the following example the variable s has a reference count of 1 but after the event..
`[super viewDidLoad]` convention http://stackoverflow.com/questions/844195/super-viewdidload-convention super viewDidLoad ` convention I see some example code with super viewDidLoad called before your implementation and after your implementation. I know you don't always have to call super as seen..
How to properly design multi-orientation iPad application http://stackoverflow.com/questions/11621777/how-to-properly-design-multi-orientation-ipad-application portrait differences are really significant then I recommend having one .xib for each orientation with a strict naming convention like MyViewController.xib and MyViewController landscape.xib . But both .xib files should connect File's Owner to the same.. imageNamed method that helps load images that are proper for the current orientation named with a image landscape.png convention . However I think stretchable UIImages should be used instead the vast majority of the time. I didn't do this but the RotatingViewController..
iPhone 5 - what naming convention the new images have to follow? http://stackoverflow.com/questions/12431445/iphone-5-what-naming-convention-the-new-images-have-to-follow 5 what naming convention the new images have to follow What name convention the new images have to have to be loaded by the new iPhone 5 We see.. 5 what naming convention the new images have to follow What name convention the new images have to have to be loaded by the new iPhone 5 We see that we have to have 3 default images to be loaded by.. device Default.png Default@2x.png and Default 568h@2x.png what about the other images used by an app Is there a naming convention that will automatically load the correct image iphone ios ipad retina display share improve this question The new default..
Cocoa-Touch, NSManagedObject: Exception when setting a property http://stackoverflow.com/questions/1556304/cocoa-touch-nsmanagedobject-exception-when-setting-a-property xxx 2435 20b Failed to call designated initializer on NSManagedObject class 'Item' All Objective C classes have by convention a designated initializer which is the initializer method that must be called either explicitly or via an other convenience..
How to share a ManagedObjectContext when using UITabBarController http://stackoverflow.com/questions/2070565/how-to-share-a-managedobjectcontext-when-using-uitabbarcontroller are both loaded from other xib files. The app uses core data the stack is initialized in the app delegate as per the convention . The app delegate adds the UITabBarController to the window void applicationDidFinishLaunching UIApplication application..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed..
Difference between class property mVar and instance variable self.mVar http://stackoverflow.com/questions/2278389/difference-between-class-property-mvar-and-instance-variable-self-mvar the auto created setter via @synthesize Thanks all Edit Update in response to Peter Hosey ... So your thinking the convention of mVarName is bad I took that from my C days. But what about the case when you do void someMethod int x x x You can't do..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral x1a y1a x2a..
What are the sizes used for the iOS application splash screen? http://stackoverflow.com/questions/2634898/what-are-the-sizes-used-for-the-ios-application-splash-screen info from the phunkwerks site iPad Launch Image Orientations To deal with various orientation options a new naming convention has been created for iPad launch images. The screen size of the iPad is 768 1024 notice in the dimensions that follow the..
Non-retaining array for delegates http://stackoverflow.com/questions/4692161/non-retaining-array-for-delegates NSArray for these delegates the problem is that NSArray would have all these delegates retained which it shouldn't by convention objects should not retain their delegates . Should I write my own array class to prevent retaining or are there simpler..
http://stackoverflow.com/questions/472103/lower-case-k-in-cocoa case &ldquo k&rdquo in Cocoa I know this is a common convention but what does the k in variable names signify i.e. kMaxImageViewSize I looked in the Apple documentation on Variable names..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I'm using the same convention for instance variable and properties naming as shown by sebnow in his following answer instance variable method argument..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c once you understand it but I'm just not over the hump yet. How do release retain and autorelease work and what are the conventions about their use Or failing that what did you read which helped you get it iphone objective c cocoa memory share improve.. reference count knows about me. As described above an object's 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.. of calling release for us so we don't have to and in fact we shouldn't . What's important to note is that again by convention all object creation class methods return an autoreleased object. For example in the following example the variable s has..
! vs == nil in objective-c [duplicate] http://stackoverflow.com/questions/6782190/vs-nil-in-objective-c as false and any integer value different from 0 was taken as true . The meaning of is therefore defined based on this convention and current versions of the C standard have kept the original definition for compatibility. In your specific case someString..
NSDefaultRunLoopMode vs NSRunLoopCommonModes http://stackoverflow.com/questions/7222449/nsdefaultrunloopmode-vs-nsrunloopcommonmodes or it can be associated to a run loop but this run loop can be set to work on different modes. A run loop mode is a convention used by the OS to establish some rules on when delivering certain events or simply suspend this delivery and then collect..
What is the difference between these two ways of allocating memory in Objective-C? http://stackoverflow.com/questions/8211075/what-is-the-difference-between-these-two-ways-of-allocating-memory-in-objective between a retained object and an autoreleased one. If you're using ARC then you don't even need to know that. The convention is If you see init new or copy it's a retained object. If the method name starts with the class name sans the framework..
`[super viewDidLoad]` convention http://stackoverflow.com/questions/844195/super-viewdidload-convention super viewDidLoad ` convention I see some example code with super viewDidLoad called before your implementation and after your implementation. I know..
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