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2014/10/15 ¤U¤È 10:06:48
iphone Programming Glossary: directlyiPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing Apple's Docs state Warning If the view belonging to a view controller is added to a view hierarchy directly the view controller will not receive this message. If you insert or add a view to the view hierarchy.. hierarchy and it has a view controller you should send the associated view controller this message directly. Failing to send the view controller this message will prevent any associated animation from being displayed... from being displayed. The problem is that they don't describe how to do this. What the hell does directly mean. How do you indirectly add a view. I am fairly new to Cocoa and iPhone so it would be nice if there..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview to perform the layer's rotation. The trick to get perspective working as described here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting private. CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone be a bit slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz been asked multiple times here with no real practical answers. I usually never ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store iphone opens safari first and then the app store. I have used other apps that open the app store directly so I know it is possible. Any ideas What is the URL Scheme for the app store iphone objective c hyperlink.. iTunes links you can provide your customers with an easy way to access your apps on the App Store directly from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown and it works through some lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x all things that are old cruft display lists immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su class b c it's easier to reuse. If you don't want that you could simply implement the same logic directly in your app delegate eliminating the need for the TransitionController class. The logic you'd need would..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller and viewDidDisappear methods in your root view controller . You can add the modal view directly to the view hierarchy like so UIView modalView UIView alloc initWithFrame UIScreen mainScreen bounds..
iPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing successfully recieves viewWillAppear events at every level Apple's Docs state Warning If the view belonging to a view controller is added to a view hierarchy directly the view controller will not receive this message. If you insert or add a view to the view hierarchy and it has a view controller you should send the associated.. this message. If you insert or add a view to the view hierarchy and it has a view controller you should send the associated view controller this message directly. Failing to send the view controller this message will prevent any associated animation from being displayed. The problem is that they don't describe how to do.. controller this message will prevent any associated animation from being displayed. The problem is that they don't describe how to do this. What the hell does directly mean. How do you indirectly add a view. I am fairly new to Cocoa and iPhone so it would be nice if there were useful examples from Apple besides the basic Hello..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew CGFloat m11 m12 m13 m14 CGFloat m21 m22 m23 m24 CGFloat m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform a transpose due to convention of using row or column vectors...
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview need to work with the UIView's layer using a CATransform3D to perform the layer's rotation. The trick to get perspective working as described here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c still have to send messages to themselves to access properties it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting in UITextView but require a whole new level of headache. Still private. CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text input no spell checking no replacements no highlights no..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone anyway. iOS 5 update When the result block fires seems to be a bit slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate NSObject @optional void hiresImageAvailable UIImage aimage..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz a feature I see on every PDF reader this same question has been asked multiple times here with no real practical answers. I usually never ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update I just realized the guy who has done my testing PDF had just..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store WebObjects MZStore.woa wa viewSoftware id 300136119 mt 8 the iphone opens safari first and then the app store. I have used other apps that open the app store directly so I know it is possible. Any ideas What is the URL Scheme for the app store iphone objective c hyperlink app store share improve this question From https.. Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy way to access your apps on the App Store directly from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either a single app all your apps or to a specific..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload and regular . How can i make the image always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve this question A UIImage has a property imageOrientation..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c still have to send messages to themselves to access properties it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes intent more explicit IMO. @interface Foo..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown to the controller. All objects respond to methodForSelector and it works through some lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x about OpenGL or learn that via other means and forget about all things that are old cruft display lists immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in OpenGL 3.0. GL ES 1.x is for pretty simple devices. What you..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app piece of code. UPDATE Will Apple allow this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve this question Re Update As answered..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su . As an aside I prefer the implementation in a separate class b c it's easier to reuse. If you don't want that you could simply implement the same logic directly in your app delegate eliminating the need for the TransitionController class. The logic you'd need would be the same however. Use it as follows In your app delegate..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller pointless. You can verify this by implementing the viewWillDisappear and viewDidDisappear methods in your root view controller . You can add the modal view directly to the view hierarchy like so UIView modalView UIView alloc initWithFrame UIScreen mainScreen bounds autorelease modalView.opaque NO modalView.backgroundColor UIColor..
iPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing at every level Apple's Docs state Warning If the view belonging to a view controller is added to a view hierarchy directly the view controller will not receive this message. If you insert or add a view to the view hierarchy and it has a view controller.. a view to the view hierarchy and it has a view controller you should send the associated view controller this message directly. Failing to send the view controller this message will prevent any associated animation from being displayed. The problem.. associated animation from being displayed. The problem is that they don't describe how to do this. What the hell does directly mean. How do you indirectly add a view. I am fairly new to Cocoa and iPhone so it would be nice if there were useful examples..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew m21 m22 m23 m24 CGFloat m31 m32 m33 m34 CGFloat m41 m42 m43 m44 typedef struct CATransform3D CATransform3D So you can directly change the matrix elements instead of relying on the CATransform3DMake functions. You may need to perform a transpose due..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview using a CATransform3D to perform the layer's rotation. The trick to get perspective working as described here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c to access properties it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting of headache. Still private. CoreText Framework Since iOS 3.2 a very very good rendering engine. But that's it. Can directly layout and render NSAttributesString s. However there is no user interaction. No text selection no text input no spell checking..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone fires seems to be a bit slower with iOS5 maybe single core devices so I couldnt rely on the image to be available directly after calling findLargeImage . So I changed it to call out to a delegate. @protocol HiresImageDelegate NSObject @optional..
Get PDF hyperlinks on iOS with Quartz http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz same question has been asked multiple times here with no real practical answers. I usually never ask for sample code directly but apparently this time I really need it... anyone got this working possibly with sample code Update I just realized the..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store id 300136119 mt 8 the iphone opens safari first and then the app store. I have used other apps that open the app store directly so I know it is possible. Any ideas What is the URL Scheme for the app store iphone objective c hyperlink app store share.. iTunes Links With iTunes links you can provide your customers with an easy way to access your apps on the App Store directly from your website or marketing campaigns. Creating an iTunes link is simple and can be made to direct customers to either..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload always show the correct orientation after uploading the image appears to be correct as displayed in an UIImageView directly after taking the picture but viewing on the server says otherwise. iphone cocoa touch ios share improve this question..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c to access properties it's hard to confuse when you're accessing a property or when you're accessing its backing ivar directly though using the 2.0 dot access to properties does make it more possible. Using the standard message passing syntax makes..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown respond to methodForSelector and it works through some lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x and forget about all things that are old cruft display lists immediate mode things that are in OpenGL but are not directly related to just drawing triangles . Basically unlearn everything that has been declared deprecated in OpenGL 3.0. GL ES..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app this It is a charity app so I am assuming there is no issue. Re UPDATE I assumed wrong. Apple will not allow payments directly within apps using paypal. You have to re direct to a web interface. iphone objective c cocoa touch paypal share improve..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su in a separate class b c it's easier to reuse. If you don't want that you could simply implement the same logic directly in your app delegate eliminating the need for the TransitionController class. The logic you'd need would be the same however...
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller the viewWillDisappear and viewDidDisappear methods in your root view controller . You can add the modal view directly to the view hierarchy like so UIView modalView UIView alloc initWithFrame UIScreen mainScreen bounds autorelease modalView.opaque..
How Can I Launch The Appstore App Directly from my Application http://stackoverflow.com/questions/226986/how-can-i-launch-the-appstore-app-directly-from-my-application Can I Launch The Appstore App Directly from my Application I've used several apps now that launch the itunes store directly from the app. I'm even using some..
how to delete all contct form iphone address book? http://stackoverflow.com/questions/3235320/how-to-delete-all-contct-form-iphone-address-book
Directly accessing nested dictionary values in Objective-C http://stackoverflow.com/questions/4317760/directly-accessing-nested-dictionary-values-in-objective-c accessing nested dictionary values in Objective C Is there a way to directly access an inner array of an an outer array..
How to link to apps on the app store http://stackoverflow.com/questions/433907/how-to-link-to-apps-on-the-app-store c hyperlink app store share improve this question From https developer.apple.com news id 01062010a Drive Customers Directly to Your App on the App Store with iTunes Links With iTunes links you can provide your customers with an easy way to access..
Building iPhone Code using xcodebuild and running LLVM/Clang Static Analyzer http://stackoverflow.com/questions/490835/building-iphone-code-using-xcodebuild-and-running-llvm-clang-static-analyzer to run static analyzer on my project. When I try to run xcodebuild on my project 1. Open Terminal 2. Go to Project Directly 3. xcodebuild I get this error BUILDING NATIVE TARGET XProject OF PROJECT XProject WITH THE DEFAULT CONFIGURATION Release..
MkMapView rame et fuite mémoire apple http://stackoverflow.com/questions/5935243/mkmapview-rame-et-fuite-memoire-apple memory leaks that are not in my code for debugging so it's not obvious . I tried to implement several different ways Directly implemented in the code Implemented via Interface Builder In a separate view which contained the MkMapView In all cases..
How to get file path in iPhone app http://stackoverflow.com/questions/6387915/how-to-get-file-path-in-iphone-app to get file path in iPhone app I have a problem accessing my files in my app. I am currently using Directly from TileMap example from WWDC2010 NSString tileDirectory NSBundle mainBundle resourcePath stringByAppendingPathComponent..
http://stackoverflow.com/questions/983657/iphone-device-debugging I installed Xcode on another system and device debugging on the same device with the same cable worked flawlessly. Directly after that device debugging began working on my original machine leading me to believe that some strange hardware flag was..
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