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2014/10/15 ¤U¤È 10:05:06
iphone Programming Glossary: classHow 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 touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere.. startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add.. Apple's version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone you to populate everything and avoids closing the application. The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging.. that sends messages on behalf of devices that don't have a cellular modem. Limitations to this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of.. screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController in your storyboard embedded in a navigation.. a UITableViewController in your storyboard embedded in a navigation controller and set its custom class to SimpleTableViewController. Give the navigation controller for SimpleTableViewController a Storyboard..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key class is not key value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created.. value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created in my class. Every time I build my application it crashes on the label screen with the error this class is not key.. in my class. Every time I build my application it crashes on the label screen with the error this class is not key value coding compliant for the key XXXX . Here is the code in SecondView.h . @interface SecondView..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application 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...
http://stackoverflow.com/questions/3339722/check-iphone-ios-version capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController is available on the current device using.. device using NSClassFromString if NSClassFromString @ UIPopoverController Do something Some classes like CLLocationManager and UIDevice provide methods to check device capabilities if CLLocationManager.. can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk Touch if possible. iphone ios ipod touch share improve this question You can use the UIDevice class as so NSString deviceType UIDevice currentDevice .model if deviceType isEqualToString @ iPhone it's..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c as a delegate of another. There's no 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.. an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could.. notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs the app. iphone ios ipad..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif @ kCTMessageIdKey int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg.. int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg mc incomingMessageWithId..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 changed in iOS 7.0. It no longer affects the bar's background. From the documentation barTintColor Class Reference The tint color to apply to the navigation bar background. @property nonatomic retain UIColor..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class C Object to Objective C Class I'm trying to mix C and Objective C I've made it most of the way but would like to have a single interface..
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu class cs193p cgi bin index.php Lecture 08 is related to an assignment..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone be to start with the Window based application template. Then go New File and create an Objective C Class with Subclass of set to UIView and give it a name say MyView.m. Now open up the Resources group and.. see all of it. With your new View selected hit Cmd 4 to bring up the Identity Inspector and under Class Identity click the dropdown and choose MyView. Next you need to implement the drawRect method in MyView.m..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c
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 a better way to accomplish this iphone objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m.. ^ NSLog @ Someone broke the internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the.. project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface section of the .h file Reachability internetReachable..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone it requires some user interaction. But this at least allows you to populate everything and avoids closing the application. The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging for iPod touch and iPad devices so while I've not yet tested.. If this is the case then Apple is running an SMS server that sends messages on behalf of devices that don't have a cellular modem. Limitations to this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps under iOS 5. You must either detect the..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present other text fields once the keyboard is brought up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView Does one go inside the other..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of an ActionSheet as it can lead to serious invalid context errors.. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController in your storyboard embedded in a navigation controller and set its custom class to SimpleTableViewController... subclass SimpleTableViewController . Create a UITableViewController in your storyboard embedded in a navigation controller and set its custom class to SimpleTableViewController. Give the navigation controller for SimpleTableViewController a Storyboard ID of SimpleTableVC . In SimpleTableViewController.h create..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c as well. if notification name isEqualToString @ TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName @ TestNotification object self share improve..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key class is not key value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created in my class. Every time I build my application it crashes on.. class is not key value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created in my class. Every time I build my application it crashes on the label screen with the error this class is not key value coding compliant for the key XXXX . Here is the code.. key I'm trying to link a UILabel with an IBOutlet created in my class. Every time I build my application it crashes on the label screen with the error this class is not key value coding compliant for the key XXXX . Here is the code in SecondView.h . @interface SecondView UIViewController IBOutlet UILabel string @property..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application can I send an email from my app iphone cocoa touch 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..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version on the version string as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController is available on the current device using NSClassFromString if NSClassFromString @ UIPopoverController.. 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.. in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice systemVersion if currSysVer compare reqSysVer options..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c property names with an underscore in Objective C duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So when I define..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c An Objective C delegate is just an object that has been assigned as a delegate of another. There's no 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.. 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 MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance of MyClass and assign it as the window's.. NSObject @optional void windowDidMove NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt this protocol @interface MyDelegate..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now unique identifier specific to your app you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs the app. iphone ios ipad share improve this question A UUID created by CFUUIDCreate..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif userInfo CFNumberRef msgID CFNumberRef info objectForKey @ kCTMessageIdKey int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg mc incomingMessageWithId result But with ios5 I can't do.. msgID CFNumberRef info objectForKey @ kCTMessageIdKey int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg mc incomingMessageWithId result But with ios5 I can't do it as incMsg is nil so..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 this question The behavior of tintColor for bars has changed in iOS 7.0. It no longer affects the bar's background. From the documentation barTintColor Class Reference The tint color to apply to the navigation bar background. @property nonatomic retain UIColor barTintColor Discussion This color is made translucent by..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class C Object to Objective C Class I'm trying to mix C and Objective C I've made it most of the way but would like to have a single interface class between the Objective C and C code. Therefore..
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers It includes lecture notes assignments and sample code and since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu class cs193p cgi bin index.php Lecture 08 is related to an assignment to build a UINavigationController based app that has multiple..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone you're starting with a new application the easiest way will be to start with the Window based application template. Then go New File and create an Objective C Class with Subclass of set to UIView and give it a name say MyView.m. Now open up the Resources group and double click on MainWindow.xib to open it in Interface Builder... a View component onto your window and position it so you can see all of it. With your new View selected hit Cmd 4 to bring up the Identity Inspector and under Class Identity click the dropdown and choose MyView. Next you need to implement the drawRect method in MyView.m here's some example code that draws a line void drawRect..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c
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 objective c ios cocoa touch reachability share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's.. internet internetReachableFoo startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of.. it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h file of where you are implementing the code 4 Create a couple instances to check in the interface..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone this at least allows you to populate everything and avoids closing the application. The MFMessageComposeViewController class is well documented and tutorials show how easy it is to implement. iOS 5 Update iOS 5 includes messaging for iPod touch.. running an SMS server that sends messages on behalf of devices that don't have a cellular modem. Limitations to this class Keep in mind that this won't work on phones without iOS 4 and it won't work on the iPod touch or the iPad except perhaps..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present up Automatically jump by scrolling up or shortening I know that I need a UIScrollView . I've tried changing the class of my UIView to a UIScrollView but I'm still unable to scroll the textboxes up or down. Do I need both a UIView and a UIScrollView..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to be subclassed nor should you add views to its hierarchy I recommend against trying to customize the contents of an ActionSheet as it.. 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController in your storyboard embedded in a navigation controller and set.. . Create a UITableViewController in your storyboard embedded in a navigation controller and set its custom class to SimpleTableViewController. Give the navigation controller for SimpleTableViewController a Storyboard ID of SimpleTableVC..
Send and receive messages through NSNotificationCenter in Objective-C? [closed] http://stackoverflow.com/questions/2191594/send-and-receive-messages-through-nsnotificationcenter-in-objective-c @ TestNotification NSLog @ Successfully received the test notification @end ... somewhere else in another class ... void someMethod All instances of TestClass will be notified NSNotificationCenter defaultCenter postNotificationName..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key class is not key value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created in my class. Every.. class is not key value coding compliant for the key I'm trying to link a UILabel with an IBOutlet created in my class. Every time I build my application it crashes on the label screen with the error this class is not key value coding compliant.. an IBOutlet created in my class. Every time I build my application it crashes on the label screen with the error this class is not key value coding compliant for the key XXXX . Here is the code in SecondView.h . @interface SecondView UIViewController..
How can I send mail from an iPhone application http://stackoverflow.com/questions/310946/how-can-i-send-mail-from-an-iphone-application cocoa touch 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..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. For example you can check if UIPopoverController is available on the current device using NSClassFromString.. 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.. my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice systemVersion..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c in Objective C duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk iPhone and iPod Touch if possible. iphone ios ipod touch share improve this question You can use the UIDevice class as so NSString deviceType UIDevice currentDevice .model if deviceType isEqualToString @ iPhone it's an iPhone share improve..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c that has been assigned as a delegate of another. There's no 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.. suppose you have an NSWindow. If you'd like to implement its delegate's windowDidMove method you could create a class like this @implementation MyClass void windowDidMove NSNotification notification ... @end Then you could create an instance.. NSNotification notification ... other methods here @end This is analogous to an interface or abstract base class as it creates a special type for your delegate NSWindowNotifications in this case. Delegate implementors would have to adopt..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now you can call the CFUUIDCreate function to create a UUID and write it to the defaults database using the NSUserDefaults class. However this value won't be the same if a user uninstalls and re installs the app. iphone ios ipad share improve this..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif info objectForKey @ kCTMessageIdKey int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg mc incomingMessageWithId.. @ kCTMessageIdKey int result CFNumberGetValue CFNumberRef msgID kCFNumberSInt32Type result Class CTMessageCenter NSClassFromString @ CTMessageCenter id mc CTMessageCenter sharedMessageCenter id incMsg mc incomingMessageWithId result But with..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular 4 imageView.image self addImageToImage imageView.image withImage2 croppedImg andRect cropRect UIImage Category Class UIImage ImageBlur.h #import UIKit UIKit.h @interface UIImage ImageBlur UIImage imageWithGaussianBlur9 @end UIImage ImageBlur.m..
Get the password from the webservices url and access through that password http://stackoverflow.com/questions/15377212/get-the-password-from-the-webservices-url-and-access-through-that-password be made 5. To receive the data from the HTTP request you can use the delegate methods provided by the URLConnection Class Reference. Delegate methods are as below. void connection NSURLConnection connection didReceiveData NSData data Above method..
Method Swizzle on iPhone device http://stackoverflow.com/questions/1637604/method-swizzle-on-iphone-device simple implementation at the bottom of that page #import objc runtime.h #import objc message.h .... void Swizzle Class c SEL orig SEL new Method origMethod class_getInstanceMethod c orig Method newMethod class_getInstanceMethod c new if class_addMethod..
How do I change the Navigation Bar color in iOS 7? http://stackoverflow.com/questions/18929864/how-do-i-change-the-navigation-bar-color-in-ios-7 for bars has changed in iOS 7.0. It no longer affects the bar's background. From the documentation barTintColor Class Reference The tint color to apply to the navigation bar background. @property nonatomic retain UIColor barTintColor Discussion..
Adding C++ Object to Objective-C Class http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class C Object to Objective C Class I'm trying to mix C and Objective C I've made it most of the way but would like to have a single interface class between..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down act accordingly. i.e. you can through away all events after the start or only look at movement as you need. From the Class Reference Long press gestures are continuous. The gesture begins UIGestureRecognizerStateBegan when the number of allowable..
http://stackoverflow.com/questions/3562478/native-json-support-in-ios
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode
How should I store UIImages within my Core Data database? http://stackoverflow.com/questions/3908910/how-should-i-store-uiimages-within-my-core-data-database as a transformable one and create a subclass of NSValueTransformer. Within that subclass add code like the following Class transformedValueClass return NSData class BOOL allowsReverseTransformation return YES id transformedValue id value if value.. and create a subclass of NSValueTransformer. Within that subclass add code like the following Class transformedValueClass return NSData class BOOL allowsReverseTransformation return YES id transformedValue id value if value nil return nil I pass.. value nil return nil I pass in raw data when generating the image save that directly to the database if value isKindOfClass NSData class return value return UIImagePNGRepresentation UIImage value id reverseTransformedValue id value return UIImage..
Is there a way to toggle bluetooth and/or wifi on and off programatically in iOS? http://stackoverflow.com/questions/4518406/is-there-a-way-to-toggle-bluetooth-and-or-wifi-on-and-off-programatically-in-ios customization after application launch. #if TARGET_IPHONE_SIMULATOR exit EXIT_SUCCESS #else this works in iOS 4.2.3 Class BluetoothManager objc_getClass BluetoothManager id btCont BluetoothManager sharedInstance self performSelector @selector.. launch. #if TARGET_IPHONE_SIMULATOR exit EXIT_SUCCESS #else this works in iOS 4.2.3 Class BluetoothManager objc_getClass BluetoothManager id btCont BluetoothManager sharedInstance self performSelector @selector toggle withObject btCont afterDelay..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c think that it's better. The swizzling method is defined thusly typedef IMP IMPPointer BOOL class_swizzleMethodAndStore Class class SEL original IMP replacement IMPPointer store IMP imp NULL Method method class_getInstanceMethod class original if..
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 sample code and since the course was given by Apple dev's I definitely consider it to be from the horse's mouth . Class Website http www.stanford.edu class cs193p cgi bin index.php Lecture 08 is related to an assignment to build a UINavigationController..
How to invoke iPhone Maps for Directions with Current Location as Start Address http://stackoverflow.com/questions/576768/how-to-invoke-iphone-maps-for-directions-with-current-location-as-start-address pre iOS 6 in the same code I'd recommend using something like this code that Apple has on the MKMapItem API doc page Class itemClass MKMapItem class if itemClass itemClass respondsToSelector @selector openMapsWithItems launchOptions iOS 6 MKMapItem.. 6 in the same code I'd recommend using something like this code that Apple has on the MKMapItem API doc page Class itemClass MKMapItem class if itemClass itemClass respondsToSelector @selector openMapsWithItems launchOptions iOS 6 MKMapItem available.. using something like this code that Apple has on the MKMapItem API doc page Class itemClass MKMapItem class if itemClass itemClass respondsToSelector @selector openMapsWithItems launchOptions iOS 6 MKMapItem available else use pre iOS 6 technique..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds having to directly reference Celestial frameork AVSystemController.h void setSystemVolumeLevelTo float newVolumeLevel Class avSystemControllerClass NSClassFromString @ AVSystemController id avSystemControllerInstance avSystemControllerClass performSelector.. Celestial frameork AVSystemController.h void setSystemVolumeLevelTo float newVolumeLevel Class avSystemControllerClass NSClassFromString @ AVSystemController id avSystemControllerInstance avSystemControllerClass performSelector @selector sharedAVSystemController.. frameork AVSystemController.h void setSystemVolumeLevelTo float newVolumeLevel Class avSystemControllerClass NSClassFromString @ AVSystemController id avSystemControllerInstance avSystemControllerClass performSelector @selector sharedAVSystemController..
ARC forbids Objective-C objects in structs or unions despite marking the file -fno-objc-arc http://stackoverflow.com/questions/8093099/arc-forbids-objective-c-objects-in-structs-or-unions-despite-marking-the-file-f It is only safe if the objects in the struct are unretained. Example If you use OpenFeint with ARC the Class OFBragDelegateStrings says this error in a struct. typedef struct OFBragDelegateStrings NSString prepopulatedText NSString..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone easiest way will be to start with the Window based application template. Then go New File and create an Objective C Class with Subclass of set to UIView and give it a name say MyView.m. Now open up the Resources group and double click on MainWindow.xib.. it so you can see all of it. With your new View selected hit Cmd 4 to bring up the Identity Inspector and under Class Identity click the dropdown and choose MyView. Next you need to implement the drawRect method in MyView.m here's some example..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c
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