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2014/10/15 ¤U¤È 10:05:06
iphone Programming Glossary: classesHow do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development so I am looking for a simple sample to get me started. Thanks in..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec myVar @end You were able to access these variables only in your implementation but not from other classes. To do that you had to declare accessor methods that look something like this MyClass.h @interface MyClass.. myVar myVar newVar @end This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication the client. I'm kind of new the networking portion of the SDK and I'm not sure which of the other classes I should use to get this working. I see the NSURLCredential class but it seems that it is used only..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self self.mainViewController or self mainViewController when retrieving this value too. In general classes are much less likely to have important code in their getter methods than their setters but it's still..
How to intercept click on link in UITextView? http://stackoverflow.com/questions/2543967/how-to-intercept-click-on-link-in-uitextview Please do not advice to use UIWebView instead. And please don't just repeat text from apple classes reference certainly I've already read it. Thanks. iphone objective c uitextview datadetectortypes ..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library successful creation of effective Objective C static libraries that contain categories on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes.. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing Arment describes if you build with iOS 4.2 or later and target down to iPhone OS 3.1 individual classes are now weak linked and should have their class method return nil if the class does not exist on the..
How does Apple know you are using private API? http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api all linked symbols. This can detect Undocumented C functions such as _UIImageWithName Objective C classes such as UIProgressHUD Ivars such as UITouch._phase which could be the cause of rejection of Three20..
What does the -all_load linker flag do? http://stackoverflow.com/questions/2906147/what-does-the-all-load-linker-flag-do prevents ObjC from loading objects files from static libraries that contain only categories and no classes. The workaround is to use the all_load or force_load flags. all_load forces the linker to load all object..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version device using NSClassFromString if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier...
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import NSAttributedString Attributes.h #import OHAttributedLabel.h..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload YES submitButton.enabled YES I then at some point send it to my web server using the ASI classes ASIFormDataRequest request ASIFormDataRequest requestWithURL NSURL URLWithString @ http example.com..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers about where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar question I have been able to make it work by subclassing a UITabBarController and using private classes @interface UITabBarController private UITabBar tabBar @end @implementation CustomUITabBarController..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They provide a thin wrapper around SQLite. A final note It seems CoreData will become..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development so I am looking for a simple sample to get me started. Thanks in advance. iphone audio recording share improve this question..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk as well. Note The domain you use doesn't matter. It's just testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename one of the pairs of Reachability.h and..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec the curly brackets MyClass.h @interface MyClass NSObject int myVar @end You were able to access these variables only in your implementation but not from other classes. To do that you had to declare accessor methods that look something like this MyClass.h @interface MyClass NSObject int myVar int myVar void setMyVar int newVar.. int myVar return myVar void setMyVar int newVar if newVar myVar myVar newVar @end This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass is an object of type MyClass. myClass..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication only after the server has issued the challenge request to the client. I'm kind of new the networking portion of the SDK and I'm not sure which of the other classes I should use to get this working. I see the NSURLCredential class but it seems that it is used only with NSURLAuthenticationChallenge after the client has requested..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self Ideally to future proof your code you should also be using self.mainViewController or self mainViewController when retrieving this value too. In general classes are much less likely to have important code in their getter methods than their setters but it's still possible that accessing directly could break something in..
How to intercept click on link in UITextView? http://stackoverflow.com/questions/2543967/how-to-intercept-click-on-link-in-uitextview action when user touch autodetected phone link in UITextView. Please do not advice to use UIWebView instead. And please don't just repeat text from apple classes reference certainly I've already read it. Thanks. iphone objective c uitextview datadetectortypes share improve this question A nice way to do this is to by..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library object code loaded into the application it will allow the successful creation of effective Objective C static libraries that contain categories on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting.. C static libraries that contain categories on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing to weak link frameworks to prevent errors like this. As Marco Arment describes if you build with iOS 4.2 or later and target down to iPhone OS 3.1 individual classes are now weak linked and should have their class method return nil if the class does not exist on the currently running version of the OS. share improve this answer..
How does Apple know you are using private API? http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api and WebKit can be detected by this. 2. nm u This will list all linked symbols. This can detect Undocumented C functions such as _UIImageWithName Objective C classes such as UIProgressHUD Ivars such as UITouch._phase which could be the cause of rejection of Three20 based apps last few months. 3. Listing Objective C selectors..
What does the -all_load linker flag do? http://stackoverflow.com/questions/2906147/what-does-the-all-load-linker-flag-do bit and iPhone OS applications there is a linker bug that prevents ObjC from loading objects files from static libraries that contain only categories and no classes. The workaround is to use the all_load or force_load flags. all_load forces the linker to load all object files from every archive it sees even those without Objective..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version you can check if UIPopoverController is available on the current device using NSClassFromString if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do something Apple uses systemVersion in..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel CATextLayer s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have this string NSString text @ Updated 2012..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring is a subclass of UILabel that draws an NSAttributedString and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import NSAttributedString Attributes.h #import OHAttributedLabel.h 1 Build the NSAttributedString NSMutableAttributedString..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload self.navigationController dismissModalViewControllerAnimated YES submitButton.enabled YES I then at some point send it to my web server using the ASI classes ASIFormDataRequest request ASIFormDataRequest requestWithURL NSURL URLWithString @ http example.com myscript.php request setDelegate self request setStringEncoding..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers controller will be modular and reusable. And if you think about where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection...
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar Any ideas iphone uitabbarcontroller share improve this question I have been able to make it work by subclassing a UITabBarController and using private classes @interface UITabBarController private UITabBar tabBar @end @implementation CustomUITabBarController void viewDidLoad super viewDidLoad CGRect frame CGRectMake 0.0..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk in the applicationDidFinishLaunching method of your application delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They provide a thin wrapper around SQLite. A final note It seems CoreData will become available on the iPhone with OS version 3. You can use SQLite..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development so I am looking for a simple sample to get me started. Thanks in advance. iphone audio..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk matter. It's just testing for a gateway to any domain. Important Note The Reachability class is one of the most used classes in projects so you might run into naming conflicts with other projects like ShareKit. If this happens you'll have to rename..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec MyClass NSObject int myVar @end You were able to access these variables only in your implementation but not from other classes. To do that you had to declare accessor methods that look something like this MyClass.h @interface MyClass NSObject int.. int newVar if newVar myVar myVar newVar @end This way you were able to get and set this instance variable from other classes too using the usual square bracket syntax to send messages call methods OtherClass.m int v myClass myVar assuming myClass..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication challenge request to the client. I'm kind of new the networking portion of the SDK and I'm not sure which of the other classes I should use to get this working. I see the NSURLCredential class but it seems that it is used only with NSURLAuthenticationChallenge..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self you should also be using self.mainViewController or self mainViewController when retrieving this value too. In general classes are much less likely to have important code in their getter methods than their setters but it's still possible that accessing..
How to intercept click on link in UITextView? http://stackoverflow.com/questions/2543967/how-to-intercept-click-on-link-in-uitextview phone link in UITextView. Please do not advice to use UIWebView instead. And please don't just repeat text from apple classes reference certainly I've already read it. Thanks. iphone objective c uitextview datadetectortypes share improve this..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library it will allow the successful creation of effective Objective C static libraries that contain categories on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library.. on existing classes. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing like this. As Marco Arment describes if you build with iOS 4.2 or later and target down to iPhone OS 3.1 individual classes are now weak linked and should have their class method return nil if the class does not exist on the currently running version..
How does Apple know you are using private API? http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api nm u This will list all linked symbols. This can detect Undocumented C functions such as _UIImageWithName Objective C classes such as UIProgressHUD Ivars such as UITouch._phase which could be the cause of rejection of Three20 based apps last few..
What does the -all_load linker flag do? http://stackoverflow.com/questions/2906147/what-does-the-all-load-linker-flag-do a linker bug that prevents ObjC from loading objects files from static libraries that contain only categories and no classes. The workaround is to use the all_load or force_load flags. all_load forces the linker to load all object files from every..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version available on the current device using NSClassFromString if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager headingAvailable Do..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework like NSParagraphStyle and other constants that will make our life easier. Yay So if we have..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import NSAttributedString Attributes.h #import OHAttributedLabel.h 1 Build the NSAttributedString..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload YES submitButton.enabled YES I then at some point send it to my web server using the ASI classes ASIFormDataRequest request ASIFormDataRequest requestWithURL NSURL URLWithString @ http example.com myscript.php request..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers And if you think about where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices they mention for sharing..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar share improve this question I have been able to make it work by subclassing a UITabBarController and using private classes @interface UITabBarController private UITabBar tabBar @end @implementation CustomUITabBarController void viewDidLoad super..
Where's the best SQLite 3 tutorial for iPhone-SDK? [closed] http://stackoverflow.com/questions/716839/wheres-the-best-sqlite-3-tutorial-for-iphone-sdk method of your application delegate. After that you can just use your database. I've used Gus Mueller's FMDatabase classes on the iPhone. They provide a thin wrapper around SQLite. A final note It seems CoreData will become available on the iPhone..
I keep on getting “save operation failure” after any change on my XCode Data Model http://stackoverflow.com/questions/1091228/i-keep-on-getting-save-operation-failure-after-any-change-on-my-xcode-data-mod to the existing Evaluation entity. Then I created new files off the entities by pressing File New File Managed Object Classes and created a new .h and .m file for my four entities including the Evaluation entity with Evaluation.h and Evaluation.m...
Iphone Core Data crashing on Save http://stackoverflow.com/questions/1230858/iphone-core-data-crashing-on-save viewWillAppear self 0x11b560 _cmd 0x3014ecac animated 1 ' 001' at Users inckbmj Desktop iphone Decome Classes RootViewController.m 85 Sorry the code wasn't properly formatted before. When this view controller gets created if it is..
Custom CallOut not displayed correctly in ios6? http://stackoverflow.com/questions/13598739/custom-callout-not-displayed-correctly-in-ios6 extracted these classes from the following links https github.com asalom Custom Map Annotation Callouts blob master Classes CalloutMapAnnotationView.h https github.com asalom Custom Map Annotation Callouts blob master Classes CalloutMapAnnotationView.m.. blob master Classes CalloutMapAnnotationView.h https github.com asalom Custom Map Annotation Callouts blob master Classes CalloutMapAnnotationView.m These work fine in ios5 but in ios6 when i am clicking on the call out the map view is moving..
Accessing Method from other Classes Objective-C http://stackoverflow.com/questions/1658433/accessing-method-from-other-classes-objective-c Method from other Classes Objective C Looked for an answer for this question but I haven't found a suitable one yet. I'm hoping you guys and gals..
Difference between + and - methods in Objective-c http://stackoverflow.com/questions/2238584/difference-between-and-methods-in-objective-c
How to use Git properly with XCode? http://stackoverflow.com/questions/2615378/how-to-use-git-properly-with-xcode shell script to fix a .pbxproj file in a merge state from git I run this from within the project directory at the Classes level # bin sh projectfile `find d . name 'project.pbxproj'` projectdir `echo .xcodeproj` projectfile projectdir project.pbxproj..
How to dump data stored in objective-c object (NSArray or NSDictionary) http://stackoverflow.com/questions/289241/how-to-dump-data-stored-in-objective-c-object-nsarray-or-nsdictionary an object. If you invoke po myObj in gdb you get myObj debugDescription often the same as description but not always . Classes like NSArray and NSDictionary and NSData override description to print a pretty useful recursive description of their contents..
Create object from NSString of class name in Objective-C http://stackoverflow.com/questions/2951828/create-object-from-nsstring-of-class-name-in-objective-c alloc initWithNibName className bundle nil iphone c objective c cocoa cocoa touch share improve this question Classes are first class objects in Obj C too. You can get the class object from an NSString with the NSClassFromString function..
NSDateFormatter's init method is deprecated? http://stackoverflow.com/questions/3182314/nsdateformatters-init-method-is-deprecated init method is deprecated Per http developer.apple.com iphone library documentation Cocoa Reference Foundation Classes NSDateFormatter_Class Reference Reference.html The init method of NSDateFormatter is Available in iPhone OS 2.0 through..
iPad - More than one UITableView in the same screen http://stackoverflow.com/questions/3858554/ipad-more-than-one-uitableview-in-the-same-screen
How do I get a view in Interface Builder to load a custom view in another nib? http://stackoverflow.com/questions/3944964/how-do-i-get-a-view-in-interface-builder-to-load-a-custom-view-in-another-nib Identity it doesn't get the subelements from the UIAwesomeSauce nib. Same thing if I go to the Library and switch to Classes. It seems only a UIViewController has the field for Load from nib which would be beautiful. I know I can load the UIAwesomeSauce..
Downloading a Large File - iPhone SDK http://stackoverflow.com/questions/4002979/downloading-a-large-file-iphone-sdk anyway I can tweak this code so that it works with large files as well Here is the code I have in the DownloadHelper Classes which is already in the download link .h @protocol DownloadHelperDelegate NSObject @optional void didReceiveData NSData..
Advance search implementation in iphone? http://stackoverflow.com/questions/4208282/advance-search-implementation-in-iphone UITextView doesnot support NSAttributedString... Get the controller here https github.com AliSoftware Ali Cocoa Classes tree master OHAttributedLabel PS if you plan to distribute an iOS6 only application as UILabel now support NSAttributedString..
port an iOS (iPhone) app to mac? http://stackoverflow.com/questions/4579849/port-an-ios-iphone-app-to-mac that I have no experience with mac development . . . outside of what comes naturally with being an iOS developer. EDIT Classes heavily used in the game subclasses of NSObject UIView and UIViewController. I don't know much about NSView but I'm pretty..
programatically measuring carrier's signal strength in iPhone device http://stackoverflow.com/questions/4954389/programatically-measuring-carriers-signal-strength-in-iphone-device the VAFieldTest project located at Github . There seems to be getSignalStrength and register_notification functions in Classes VAFieldTestViewController.m that might be interesting to you as they call into CoreTelephony.framework . I am pretty confident..
How to wrap a Struct into NSObject http://stackoverflow.com/questions/5691881/how-to-wrap-a-struct-into-nsobject Hm try to look at the NSValue at http developer.apple.com library mac #documentation Cocoa Reference Foundation Classes NSValue_Class Reference Reference.html You can use it like struct aStruct int a int b typedef struct aStruct aStruct Then..
Converting NSData to NSString in Objective c http://stackoverflow.com/questions/6411965/converting-nsdata-to-nsstring-in-objective-c question The docs for NSString says http developer.apple.com library mac #documentation Cocoa Reference Foundation Classes NSString_Class Reference NSString.html Return Value An NSString object initialized by converting the bytes in data into..
XML Parsing in Cocoa Touch/iPhone http://stackoverflow.com/questions/773651/xml-parsing-in-cocoa-touch-iphone processes it e.g. send a request to the webserver gets xml parses xml populates its variables its a singleton shared Classes and then responses as true or false to the caller. Caller based on response given by the controller class checks controller's..
Having trouble creating UIImage from CIImage in iOS5 http://stackoverflow.com/questions/7788438/having-trouble-creating-uiimage-from-ciimage-in-ios5
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