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2014/10/15 ¤U¤È 10:12:58
iphone Programming Glossary: protocolHow can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like on the phone and with Mobile Safari in case it is not. I read it is possible to create a unique protocol suffix for this and register it in the Info.plist but Mobile Safari will give an error in case the app.. the service through the browser 2 Check the User Agent and in case it's Mobile Safari open a myprotocol URL to attempt to open the iPhone app and have it open Mobile iTunes to the download of the app in case..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how property that will represent the data in the table. Also in SimpleTableViewController.h create a protocol SimpleTableViewControllerDelegate with a required method itemSelectedatRow and a weak property called..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata archivedDataWithRootObject array Note that all the objects in array must conform to the NSCoding protocol. If these are custom objects then that means you need to read up on Encoding and Decoding Objects ...
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone Apple does across Cocoa is to use the delegate pattern. An example of how to implement it follows @protocol MyViewDelegate NSObject void viewActionHappened @end @interface MyView UIView @property nonatomic assign..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone In fact you can use the transformable data type to store anything that implements the NSCoder protocol. Personally I would not convert it to a CGImageRef as you can lose a lot of information that way. share..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step.. unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers this just declares that a ChildViewControllerDelegate type exists so that we can use it later. @protocol ChildViewControllerDelegate 2. Declaration of the view controller class as usual @interface ChildViewController.. this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue.. parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import UIKit UIKit.h #import ChildViewController.h @interface RootViewController..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back ios uiviewcontroller modalviewcontroller share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look.. share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol.. in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject void secondViewControllerDismissed NSString stringForFirst @end @interface SecondViewController..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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.. 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. If you'd like to implement its delegate's windowDidMove.. 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..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like http martijnthe.nl with my app whenever the app is installed on the phone and with Mobile Safari in case it is not. I read it is possible to create a unique protocol suffix for this and register it in the Info.plist but Mobile Safari will give an error in case the app is not installed. What would be a workaround One idea 1 Use.. 1 Use http URLs that open in any desktop browser and render the service through the browser 2 Check the User Agent and in case it's Mobile Safari open a myprotocol URL to attempt to open the iPhone app and have it open Mobile iTunes to the download of the app in case the attempt fails Not sure if this will work... suggestions..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how . In SimpleTableViewController.h create an NSArray property that will represent the data in the table. Also in SimpleTableViewController.h create a protocol SimpleTableViewControllerDelegate with a required method itemSelectedatRow and a weak property called delegate of type id SimpleTableViewControllerDelegate . This..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata of the post Garrett links NSData data NSKeyedArchiver archivedDataWithRootObject array Note that all the objects in array must conform to the NSCoding protocol. If these are custom objects then that means you need to read up on Encoding and Decoding Objects . Note that this will create a fairly hard to read property list..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone a way with the view controller the recommended way and what Apple does across Cocoa is to use the delegate pattern. An example of how to implement it follows @protocol MyViewDelegate NSObject void viewActionHappened @end @interface MyView UIView @property nonatomic assign MyViewDelegate delegate @end @interface MyViewController..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There.. app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing associated applications or will they do..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application email share improve this question On iOS 3.0 and later you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI MFMailComposeViewController.h Then to send a message MFMailComposeViewController..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers UIKit.h 1. Forward declaration of ChildViewControllerDelegate this just declares that a ChildViewControllerDelegate type exists so that we can use it later. @protocol ChildViewControllerDelegate 2. Declaration of the view controller class as usual @interface ChildViewController UIViewController Delegate properties should always.. delegate's childViewController didChooseValue method inside this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue CGFloat value @end In the child view controller's.. self didChooseValue self.slider.value @end In the parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import UIKit UIKit.h #import ChildViewController.h @interface RootViewController UITableViewController ChildViewControllerDelegate @end In..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back I appreciate any help. Thanks guys. iphone ios uiviewcontroller modalviewcontroller share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject.. guys. iphone ios uiviewcontroller modalviewcontroller share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject void secondViewControllerDismissed.. use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject void secondViewControllerDismissed NSString stringForFirst @end @interface SecondViewController UIViewController id myDelegate @property..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c special process for creating them 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. If you'd like to implement its delegate's windowDidMove.. 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. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation.. a view it contains. To define your own delegates you'll have 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 from NSWindow.h..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati
How can an iPhone access another non-iPhone device over wireless or Bluetooth? http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like the app is installed on the phone and with Mobile Safari in case it is not. I read it is possible to create a unique protocol suffix for this and register it in the Info.plist but Mobile Safari will give an error in case the app is not installed... browser and render the service through the browser 2 Check the User Agent and in case it's Mobile Safari open a myprotocol URL to attempt to open the iPhone app and have it open Mobile iTunes to the download of the app in case the attempt fails..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how create an NSArray property that will represent the data in the table. Also in SimpleTableViewController.h create a protocol SimpleTableViewControllerDelegate with a required method itemSelectedatRow and a weak property called delegate of type id..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata data NSKeyedArchiver archivedDataWithRootObject array Note that all the objects in array must conform to the NSCoding protocol. If these are custom objects then that means you need to read up on Encoding and Decoding Objects . Note that this will..
Get to UIViewController from UIView on iPhone? http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview-on-iphone way and what Apple does across Cocoa is to use the delegate pattern. An example of how to implement it follows @protocol MyViewDelegate NSObject void viewActionHappened @end @interface MyView UIView @property nonatomic assign MyViewDelegate..
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone directly into Core Data. In fact you can use the transformable data type to store anything that implements the NSCoder protocol. Personally I would not convert it to a CGImageRef as you can lose a lot of information that way. share improve this answer..
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps.. it encounters an unknown file type. This means the association doesn't work out of the box for any app like the URL protocol registering did. This leads me to the question have system apps like Safari or Mail implemented this system for choosing..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application On iOS 3.0 and later you should use the MFMailComposeViewController class and the MFMailComposeViewControllerDelegate protocol that is tucked away in the MessageUI framework. First add the framework and import #import MessageUI MFMailComposeViewController.h..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers this just declares that a ChildViewControllerDelegate type exists so that we can use it later. @protocol ChildViewControllerDelegate 2. Declaration of the view controller class as usual @interface ChildViewController UIViewController.. method inside this handler. IBAction handleCloseButton id sender @end 3. Definition of the delegate's interface @protocol ChildViewControllerDelegate NSObject void childViewController ChildViewController viewController didChooseValue CGFloat.. @end In the parent view controller's header file declare that it implements the ChildViewControllerDelegate protocol. RootViewController.h #import UIKit UIKit.h #import ChildViewController.h @interface RootViewController UITableViewController..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back Thanks guys. iphone ios uiviewcontroller modalviewcontroller share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import.. share improve this question You need to use delegate protocols... Here's how to do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject.. do it Declare a protocol in your secondViewController's header file. It should look like this #import UIKit UIKit.h @protocol SecondDelegate NSObject void secondViewControllerDismissed NSString stringForFirst @end @interface SecondViewController..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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. If you'd.. 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. If you'd like to implement its delegate's windowDidMove method you.. you'll have 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..
What exactly does delegate do in xcode ios project? http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project do x You can interject code and influence the behavior. If you're creating a control or class you can create your own protocol datasource delegates etc... so your control can focus on doing what's advertised. For example let's say you wanted to create.. In this case I'm going to ask you the number of tasks and I'm going to have you give me a task given the row number. @protocol XXTaskBoardDelegate NSObject NSInteger getTaskCount XXTask getTaskForRow NSInteger rowNumber @end In the control or class.. a pure control. It knows nothing about how you get your data. It's asking for an object id that implements a contract protocol. id @implementation XXTaskBoard void setDelegate id XXTaskBoardDelegate newDelegate the control stores the delegate so it..
Applications are expected to have a root view controller at the end of application launch http://stackoverflow.com/questions/7520971/applications-are-expected-to-have-a-root-view-controller-at-the-end-of-applicati
Difference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey
Is it possible to NOT dismiss a UIAlertView http://stackoverflow.com/questions/2051402/is-it-possible-to-not-dismiss-a-uialertview dismiss with any button press. Do I have to create a subclass to accomplish this Why would the UIAlertViewDelegate Protocol have void alertView UIAlertView alertView didDismissWithButtonIndex NSInteger buttonIndex void alertView UIAlertView alertView..
Why am I crashing after MKMapView is freed if I'm no longer using it? http://stackoverflow.com/questions/2188098/why-am-i-crashing-after-mkmapview-is-freed-if-im-no-longer-using-it delegate to nil which will prevent MKMapView from sending messages to it. This is documented in MKMapViewDelegate Protocol Reference Before releasing an MKMapView object for which you have set a delegate remember to set that object ™s delegate..
Network Time Protocol for iPhone http://stackoverflow.com/questions/2269532/network-time-protocol-for-iphone Time Protocol for iPhone I am writing an application that requires accurate timing. After asking this question I have decided to investigate..
Using [self method] or @selector(method)? http://stackoverflow.com/questions/2674827/using-self-method-or-selectormethod C. However using performSelector allows you to call a method that is only determined at runtime. From the NSObject Protocol Reference The performSelector method is equivalent to sending an aSelector message directly to the receiver. For example..
How to use HTTP Live Streaming protocol in iPhone SDK 3.0 http://stackoverflow.com/questions/2719958/how-to-use-http-live-streaming-protocol-in-iphone-sdk-3-0 server. I used MPMoviePlayerController to stream and play those videos audio. How to implement the HTTP Live Streaming Protocol in my apps Also can I get some sample code Thanks in advance iphone objective c ios http live streaming rejection share..
How to create a protocol with methods that are optional? http://stackoverflow.com/questions/322498/how-to-create-a-protocol-with-methods-that-are-optional set a few of the methods as optional iphone objective c share improve this question From the Apple page on Formal Protocols Optional Protocol methods can be marked as optional using the @optional keyword. Corresponding to the @optional modal keyword.. as optional iphone objective c share improve this question From the Apple page on Formal Protocols Optional Protocol methods can be marked as optional using the @optional keyword. Corresponding to the @optional modal keyword there is a @required.. your protocol into sections as you see fit. If you do not specify any keyword the default is @required. @protocol MyProtocol void requiredMethod @optional void anOptionalMethod void anotherOptionalMethod @required void anotherRequiredMethod @end..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting no no no no no. Just rendering. And quite a bit of work to make it fast on old devices with long texts. UITextInput Protocol Allows interaction with the keyboard and to grab text input . Also features basic text replacements. Problem text input..
iPhone SDK difference between isKindOfClass and isMemberOfClass http://stackoverflow.com/questions/3653929/iphone-sdk-difference-between-iskindofclass-and-ismemberofclass
Correct way to save/serialize custom objects in iOS http://stackoverflow.com/questions/5413851/correct-way-to-save-serialize-custom-objects-in-ios
image clicked from iPhone in Portrait mode gets rotated by 90 degree http://stackoverflow.com/questions/5973105/image-clicked-from-iphone-in-portrait-mode-gets-rotated-by-90-degree Declared In UIImage.h UIImage Class Reference UIImagePickerController Class Reference UIImagePickerControllerDelegate Protocol Reference Second option Is to allow user to edit your image and get the image for UIImagePickerControllerEditedImage Set..
How to make return key on iphone make keyboard disappear? http://stackoverflow.com/questions/6190276/how-to-make-return-key-on-iphone-make-keyboard-disappear ios login uitextfield uikeyboard share improve this question First you need to conform to the UITextFieldDelegate Protocol in your View ViewController's header file like this @interface YourViewController UIViewController UITextFieldDelegate Then..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c 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.. is straight forward and common in Apple's 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..
Delegate vs Protocol [duplicate] http://stackoverflow.com/questions/6361958/delegate-vs-protocol vs Protocol duplicate Possible Duplicate Difference between protocol and delegates Is there any difference between Protocol and Delegates.. vs Protocol duplicate Possible Duplicate Difference between protocol and delegates Is there any difference between Protocol and Delegates If they are same why do we need two doing the same When to use Delegate and when to use Protocol. I am new.. between Protocol and Delegates If they are same why do we need two doing the same When to use Delegate and when to use Protocol. I am new to Objective C and Iphone programming. So please bear with me. iphone objective c share improve this question..
CoreAudio AudioTimeStamp.mHostTime clock frequency? http://stackoverflow.com/questions/675626/coreaudio-audiotimestamp-mhosttime-clock-frequency the system clock might be ahead of time and the system regularly synchronize the system time using NTP Network Time Protocol . If the system notices that it is ahead of time by two seconds at the next NTP sync it turns the system clock back by two..
How to save nsdictionary of a subview to a mainview based off tableviewcell selection http://stackoverflow.com/questions/7922305/how-to-save-nsdictionary-of-a-subview-to-a-mainview-based-off-tableviewcell-sele
iOS 5: Curious about UIAppearance http://stackoverflow.com/questions/8257556/ios-5-curious-about-uiappearance proxy. It will probably work but given the lack of method decoration isn't guaranteed to. From the UIAppearance Protocol Reference To support appearance customization a class must conform to the UIAppearanceContainer protocol and relevant accessor..
http://stackoverflow.com/questions/8501039/apple-mdm-vendor-csr-signing x509 inform der in AppleWWDRCA.cer out chain.pem As a vendor following sample java code in Mobile Device Management Protocol Reference I sign the customer.csr with the private key extracted from vendor.p12 Using Safari to upload generated plist..
PTT iPhone apps .. How it works? http://stackoverflow.com/questions/9433742/ptt-iphone-apps-how-it-works
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