2014/10/15 下午 10:05:25

iphone Programming Glossary: conceptually

http://stackoverflow.com/questions/3623649/iphone-sdk-nonatomic-and-atomic

iphone objective c variables share improve this question The code for a non atomic retain getter and setter conceptually looks something like id foo return fooIvar void setFoo id newFoo newFoo retain fooIvar release fooIvar newFoo The code for.. fooIvar void setFoo id newFoo newFoo retain fooIvar release fooIvar newFoo The code for an atomic getter and setter conceptually looks something like this id foo @synchronized self return fooIvar retain autorelease void setFoo id newFoo @synchronized..

How much of a transition is programming Java to iPhone apps?

http://stackoverflow.com/questions/487932/how-much-of-a-transition-is-programming-java-to-iphone-apps

difficulty you're going to have if you have only coded Java is pointers and memory management. Memory management isn't conceptually hard as it's simply a question of keeping track of what you are allocating and releasing plus XCode seems to come with good..

What are the differences between nil, NULL and [NSNULL nil]?

http://stackoverflow.com/questions/6814427/what-are-the-differences-between-nil-null-and-nsnull-nil

Obj C's syntax happens to ride on top of C's the design of the language is higher level and its object IDs aren't conceptually the same as just pointers . Hence the creation of a special sentinel for them. NSNull null is an object that is intended..

What exactly does delegate do in xcode ios project?

http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project

any helps iphone objective c xcode ipad delegates share improve this question It's a key concept to understand conceptually so getting your head around how to think about it ahead of the technical details is important. Simply put a delegate is..

How to capture current view screenshot and reuse in code? (iPhone SDK)

http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk

after the rotation the default animation provided by UIKit rotating the currently displayed view is inappropriate conceptually. Simply disabling the animation and swapping the views suddenly is tolerable but is far below the polish I'm building into..

Obj-C: __block variables

http://stackoverflow.com/questions/8878358/obj-c-block-variables

For example __block NSString str someBlock ^ id param1 str @ iPhone str getCharAtIndex 1 or w e Am i doin something conceptually wrong or this not allowed or what Help is much appreciated. Edit here's the actual code basically the code gets the the..

objective-c interface - declaring variable vs just property?

http://stackoverflow.com/questions/9065417/objective-c-interface-declaring-variable-vs-just-property

and just declaring methods but in principle this line @property nonatomic readwrite strong MyObject myObject is conceptually the same as this MyObject myObject void setMyObject MyObject anObject Declaring the ivar yourself has no real impact here...

MKMapView annotations changing/losing order?

http://stackoverflow.com/questions/9539802/mkmapview-annotations-changing-losing-order

can just save the annotation directly coming from an Android background this was very cool to me . However I am still conceptually at a loss as to why the order became scrambled. Can someone help me Code below void viewDidLoad if fromString isEqualToString..

Inject system wide touch events on iOS7

http://stackoverflow.com/questions/19471572/inject-system-wide-touch-events-on-ios7

you'd be better off using iOS SDK Notification service api. That would be the cleanest way to achieve what you want. Conceptually Apple doesn't yet intend third parties to issue system wide events since that wouldn't sit well with iOS careful curating..

Inter-ViewController parameters passing in iPhone programming… how to?

http://stackoverflow.com/questions/2714309/inter-viewcontroller-parameters-passing-in-iphone-programming-how-to

app and was wondering what is the difference between UIApplication sharedApplicaton delegate and extern struct global Conceptually I don't see how UIApplication sharedApplicaton delegate not being a global thing. In fact that lessen the sense of guilty..

What's the best approach to draw lines between views?

http://stackoverflow.com/questions/5847876/whats-the-best-approach-to-draw-lines-between-views

else Cheers for the help iphone cocoa touch core animation core graphics calayer share improve this question Conceptually all your propositions are similar. All of them would lead to the following steps some of them done invisibly by UIKit Setup..

iOS store just a little bit of data

http://stackoverflow.com/questions/7417552/ios-store-just-a-little-bit-of-data

a very nice way to read and write objects. Use Cocoa Touch's file system API notably NSFileHandle and NSFileManager . Conceptually simple if you've ever worked with a file system before. Puts you in complete control. Use the regular old POSIX file system..

Difference between these two NSString methods

http://stackoverflow.com/questions/7900450/difference-between-these-two-nsstring-methods

constant i.e. it lives throughout the entire program execution never being released. It 䏭 not an autoreleased string. Conceptually and this is what I 羮 focus as an interviewer it 䏭 a string an empty string that is not owned by the caller hence the caller.. lives throughout the entire program execution. In fact it 䏭 the same object as the one above and it is not retained. Conceptually and this is what I 羮 focus as an interviewer it 䏭 a string an empty string that is owned by the caller hence the caller..

Calling a method from another class in Objective C

http://stackoverflow.com/questions/9629417/calling-a-method-from-another-class-in-objective-c

using delegates would be a good idea. Since I am from a C# background I am not sure about using it in Objective C. Conceptually I have implemented what I need in C# as shown below. Just wanted to know what the equivalent of it would be in Objective..