2014/10/15 下午 10:05:26

iphone Programming Glossary: conforms

http://stackoverflow.com/questions/10160887/cannot-find-protocol-declaration-for

The first Ill call it viewController1 declares a protocol. The second which unsurprisingly I will name viewController2 conforms to this protocol. XCode is giving me a build error of 'Cannot find protocol declaration for viewController1' I have seen..

Saving an NSMutableArray to Core Data

http://stackoverflow.com/questions/1104075/saving-an-nsmutablearray-to-core-data

NSKeyedArchiver archivedDataWithRootObject NSArray arrayWithObjects @ 1 @ 2 nil Basically any class you have which conforms to the NSCoding protocol can be archived in this way. NSArray NSMutableArray already conform to it. They tell all of their..

Html5 cache manifest in a UIWebView?

http://stackoverflow.com/questions/1540240/html5-cache-manifest-in-a-uiwebview

images locally on an iPhone that is visiting the page via a UIWebView within an app. I've set up a sample that I think conforms to the specs and appears to work in safari 4 and mobile safari but not in my app's UIWebView . The sample html is set up..

Are Apps using iAd compatible with older iOS

http://stackoverflow.com/questions/3128457/are-apps-using-iad-compatible-with-older-ios

improve this question If you weak link the iAd framework you will encounter no issues with a controller class that conforms to the ADBannerViewDelegate protocol. You will of course need to add the ADBannerView programmatically if it exists on the..

How to add a push pin to a MKMapView(IOS) when touching?

http://stackoverflow.com/questions/3959994/how-to-add-a-push-pin-to-a-mkmapviewios-when-touching

touchMapCoordinate self.mapView addAnnotation annot annot release YourMKAnnotationClass is a class you define that conforms to the MKAnnotation protocol. If your app will only be running on iOS 4.0 or later you can use the pre defined MKPointAnnotation..

Zooming MKMapView to fit annotation pins?

http://stackoverflow.com/questions/4680649/zooming-mkmapview-to-fit-annotation-pins

will work but I just wanted to check I was not missing anything obvious. Code added BTW FGLocation is an class that conforms to MKAnnotation locationFake is an NSMutableArray of these objects. Comments always welcome .... MKCoordinateRegion regionFromLocations..

How do I create an image overlay and add to MKMapView?

http://stackoverflow.com/questions/5283741/how-do-i-create-an-image-overlay-and-add-to-mkmapview

Some parameter coordinates and image path are fixed but the code can be easily changed I guess. Create an class that conforms to MKOverlay MapOverlay.h @interface MapOverlay NSObject MKOverlay MKMapRect boundingMapRect @property nonatomic readonly.. MKMapRect bounds MKMapRectMake upperLeft.x upperLeft.y 2000 2000 return bounds @end Create an class that conforms to MKOverlayView MapOverlayView.h @interface MapOverlayView MKOverlayView @end MapOverlayView.m @implementation MapOverlayView..

Correct way to save/serialize custom objects in iOS

http://stackoverflow.com/questions/5413851/correct-way-to-save-serialize-custom-objects-in-ios

Difference between protocol and delegates?

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

C as follows id MyProtocol instanceOfClassThatImplementsMyProtocol If you state this in your code then any class that conforms to the protocol MyProtocol can be used in the variable instanceOfClassThatImplementsMyProtocol . This means that the code.. where necessary. In the Cocoa frameworks the delegate design pattern is used to specify an instance of a class which conforms to a particular protocol. This particular protocol specifies methods that the delegate class should implement to perform.. one delegate instance for another all the programmer has to do is ensure that the replacement instance or class conforms to the necessary protocol i.e. it implements the methods specified in the protocol Protocols and delegates are not restricted..

Why tack a protocol of NSObject to a protocol implementation

http://stackoverflow.com/questions/679822/why-tack-a-protocol-of-nsobject-to-a-protocol-implementation

the following @protocol MyProtocol NSObject write some methods. @end Is there any particular reason why MyProtocol conforms to the NSObject protocol Isn't that rather redundant in that if you do something such as id MyProtocol foo foo here conforms.. to the NSObject protocol Isn't that rather redundant in that if you do something such as id MyProtocol foo foo here conforms to NSObject AND MyProtocol Just curious what the logic is. iphone objective c cocoa share improve this question I'm..

iOS 5: Curious about UIAppearance

http://stackoverflow.com/questions/8257556/ios-5-curious-about-uiappearance

questions a How do I know which properties of a class work with the appearance property For e.g. since UITableView conforms to the UIAppearance protocol I was thinking I could do something like UITableView appearance setBackgroundColor mytableViewColor.. question a How do I know which instances of a class work with the appearance property For e.g. since UITableView conforms to the UIAppearance protocol I was thinking I could do something like You look in the header of the class and the headers..

How can I get the selected text frame from a UITextView

http://stackoverflow.com/questions/8683848/how-can-i-get-the-selected-text-frame-from-a-uitextview

in character UITextInput caretRectForPosition returns the CGRect of the character range in this input. UITextView conforms to UITextInput since iOS 5 so you can use these methods for your UITextView instance. It is going to be something like this...