2014/10/15 下午 10:09:16

iphone Programming Glossary: formal

Restrict to certain iOS target devices for App Store submission

http://stackoverflow.com/questions/10191657/restrict-to-certain-ios-target-devices-for-app-store-submission

hardware like the iPad iPhone 4. I did include notes to that effect in my submission but I wondered if there was a formal way to restrict the target device in iTunes Connect Cheers iphone objective c app store share improve this question ..

When to use a UIAlertView vs. UIActionSheet

http://stackoverflow.com/questions/1193379/when-to-use-a-uialertview-vs-uiactionsheet

programming a UIAlertView then I thought that an action sheet might be better for this situation. Are there any formal guidelines for which to use in different situations Thanks. iphone objective c cocoa touch alerts share improve this..

What is the second parameter of NSLocalizedString()?

http://stackoverflow.com/questions/1442822/what-is-the-second-parameter-of-nslocalizedstring

your application. For example the Hello_World_Key key may take different values in a given language depending on how formal or informal the Hello World phrase needs to be in that language What's up World Yo World Good Day World etc. . You can add.. For example the Hello_World_Key key may take different values in a given language depending on how formal or informal the Hello World phrase needs to be in that language What's up World Yo World Good Day World etc. . You can add a string..

Generate vCard from AddressBook.framework

http://stackoverflow.com/questions/2795615/generate-vcard-from-addressbook-framework

An Objective c category or simple framework would be a great help I might do it when time. The Wikipedia page and the formal spec for vCard 3.0 really help. UPDATE 3 If you're using iOS 5 or later there's now a function in ABPerson that can return..

Can we implement a openID options in a Native iPhone App?

http://stackoverflow.com/questions/3448863/can-we-implement-a-openid-options-in-a-native-iphone-app

with a UIWebView that stores a session or authentication cookie will carry over to other requests. I don't have a formal framework but it works like this I issue a REST request. If the request returns a JSON string then I'm already authenticated..

iPhone : Best way to detect the end of UIImageView image sequence animation

http://stackoverflow.com/questions/3770997/iphone-best-way-to-detect-the-end-of-uiimageview-image-sequence-animation

improve this question The isAnimating property on UIImageView should go to NO when it's done animating. It's not a formal property though so you can't set up observation on it. You can poll it on a fine grained timer like CADisplayLink 's . There's..

What are some great iPhone questions for exercise? [closed]

http://stackoverflow.com/questions/3993181/what-are-some-great-iphone-questions-for-exercise

extend existing classes with new functionality Delegation pattern how to implement your own delegates using either a formal or informal protocol Blocks often an improvement on delegation in case of asynchronous calls also useful in many other ways.. classes with new functionality Delegation pattern how to implement your own delegates using either a formal or informal protocol Blocks often an improvement on delegation in case of asynchronous calls also useful in many other ways Passing..

Using NSMutableDictionary as backing store for properties

http://stackoverflow.com/questions/5873776/using-nsmutabledictionary-as-backing-store-for-properties

@interface . This is normal and intentional you're really only supposed to use property access syntax to access known formal properties. What you're doing while I found it fun to solve is technically an abuse of the property access syntax. This.. for primitive values such as integers since KVC is not involved no free boxing and unboxing. If you have declared formal properties see 1 you'll need to introspect them using the Objective C runtime API and do the boxing and unboxing yourself..

How do I create delegates in Objective-C?

http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c

you simply define a class that implements the delegate methods you're interested in. Though with delegates that use a formal protocol you must declare your delegate to implement that protocol see below. For example suppose you have an NSWindow... to declare their methods somewhere. There are two basic approaches discussed in the Apple Docs on protocols 1 An Informal Protocol This can be done as NSWindow does in a category on NSObject. For example continuing the example above this is paraphrased.. libraries but new code should use the more modern approach below. 2 A Formal Protocol The newer option is to declare a formal protocol. The declaration would look like this @protocol NSWindowNotifications NSObject @optional void windowDidMove NSNotification..

What exactly does delegate do in xcode ios project?

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

so it can callback and ask you questions. Then for the delegate class in the header declare you implement that formal protocol and in the implementation m file you provide the code. @interface AppController NSObject XXTaskBoardDelegate .....

Delegates vs. events in Cocoa Touch

http://stackoverflow.com/questions/8262997/delegates-vs-events-in-cocoa-touch

is a callback so there is a 1 1 relationship. The delegate is a single instance of an object that implements a formal protocol. Notifications events are basically broadcasts to many objects that are interested in when something happens. Delegates..