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2014/10/15 ¤U¤È 10:07:54
iphone Programming Glossary: easierHow to programatically check whether a keyboard is present in iphone app? http://stackoverflow.com/questions/1490573/how-to-programatically-check-whether-a-keyboard-is-present-in-iphone-app question drawnonward's code is very close but collides with UIKit's namespace and could be made easier to use. @interface KeyboardStateListener NSObject BOOL _isVisible KeyboardStateListener sharedInstance..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone ios accelerometer shake motion detection share improve this question In 3.0 there's now an easier way hook into the new motion events. The main trick is that you need to have some UIView not UIViewController..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview iphone ios mkmapview mapkit mkannotationview share improve this question There is an even easier solution. Create a custom UIView for your callout . Then create a subclass of MKAnnotationView and override..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed by the compiler..
http://stackoverflow.com/questions/2711297/underline-text-in-uilabel drawRect rect UPD As of iOS 6 Apple added NSAttributedString support for UILabel so now it's much easier and works for multiple lines NSDictionary underlineAttribute @ NSUnderlineStyleAttributeName @ NSUnderlineStyleSingle..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p.. __LINE__ NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework really stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel 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 10 14 21 59 We only need to create the attributed..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios anyObject locationInView self.view UIControl control sender control.center point It's a lot easier for individual vehicle to handle its own drags comparing to manage the scene as a whole. share improve..
http://stackoverflow.com/questions/551530/customizing-uialertview you're changing the UI paradigm on the user which is never a good idea. Second it would be much easier to animate a custom view into place than to try and hack UIAlertView to get it to do what you want...
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if you think about them in the context of the dependency injection design pattern. In.. view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse myWarehouse MockBookWarehouse alloc init MockCheckoutController..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare And as for tc's question does the orientation relative to North matter I guess not. It is far easier to compare the acceleration vectors than orientations Euler angles rotation matrices quaternions as..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su gist.github.com 1394947 . 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..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application has been cracked for piracy use. This does not involve you..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder objective c ios cocoa touch interface builder share improve this question There is also an easier way to access the view instead of dealing with the nib as an array. 1 Create a custom View subclass..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons Use it. Do it today. It is faster than your old code. It is safer than your old code. It is easier than your old code. It is not garbage collection. It has no GC runtime cost. The compiler inserts retains..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview in advance html iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in..
How to programatically check whether a keyboard is present in iphone app? http://stackoverflow.com/questions/1490573/how-to-programatically-check-whether-a-keyboard-is-present-in-iphone-app Thanks. iphone objective c keyboard share improve this question drawnonward's code is very close but collides with UIKit's namespace and could be made easier to use. @interface KeyboardStateListener NSObject BOOL _isVisible KeyboardStateListener sharedInstance @property nonatomic readonly getter isVisible BOOL visible..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone for a split second. Does anyone know how to detect this iphone ios accelerometer shake motion detection share improve this question In 3.0 there's now an easier way hook into the new motion events. The main trick is that you need to have some UIView not UIViewController that you want as firstResponder to receive the shake..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview I'm at a loss. Any suggestions Am I missing something obvious iphone ios mkmapview mapkit mkannotationview share improve this question There is an even easier solution. Create a custom UIView for your callout . Then create a subclass of MKAnnotationView and override setSelected as follows void setSelected BOOL selected..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention take is that NO class local variable should be accessed without a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed by the compiler and avoided through more thoughtful naming of parameters..
http://stackoverflow.com/questions/2711297/underline-text-in-uilabel self.bounds.size.height 1 CGContextStrokePath ctx super drawRect rect UPD As of iOS 6 Apple added NSAttributedString support for UILabel so now it's much easier and works for multiple lines NSDictionary underlineAttribute @ NSUnderlineStyleAttributeName @ NSUnderlineStyleSingle myLabel.attributedText NSAttributedString..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code NSLog but it's simple to define your own logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p @ d @ self NSString stringWithUTF8String __FILE__ lastPathComponent.. NSString stringWithUTF8String __FILE__ lastPathComponent __LINE__ NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework that's not an error it's just very very fast This code is really stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal A stride log2n FFT_INVERSE FFT on n real floats and..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel 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 10 14 21 59 We only need to create the attributed string if _label respondsToSelector @selector setAttributedText..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store mobile@jasoniphone.local uicache This only has to be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in your project. Note that if you wish to..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios
http://stackoverflow.com/questions/551530/customizing-uialertview
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers Builder take a look at this tutorial . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if you think about them in the context of the dependency injection design pattern. In a nutshell this means that your controller shouldn't look up.. myCheckout ... window addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse myWarehouse MockBookWarehouse alloc init MockCheckoutController myCheckout MockCheckoutController alloc..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare orientation from the DCM manuscript and that is what you need. And as for tc's question does the orientation relative to North matter I guess not. It is far easier to compare the acceleration vectors than orientations Euler angles rotation matrices quaternions as tc pointed that out. If you are using acceleration data you..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su class I called TransitionController . You can find it at https gist.github.com 1394947 . 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...
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications share improve this question UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application has been cracked for piracy use. This does not involve you to check the iPhone unique IDs against a list of accepted IDs...
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder create a viewController class. Any ideas Thanks Gonso iphone objective c ios cocoa touch interface builder share improve this question There is also an easier way to access the view instead of dealing with the nib as an array. 1 Create a custom View subclass with any outlets that you want to have access to later. MyView..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons ref counting share improve this question There is no downside. Use it. Do it today. It is faster than your old code. It is safer than your old code. It is easier than your old code. It is not garbage collection. It has no GC runtime cost. The compiler inserts retains and releases in all the places you should have anyway...
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview such as an equivalent of the .NET WebClient openRead Thanks in advance html iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in a URL as an instance of NSURL which can easily be instantiated..
How to programatically check whether a keyboard is present in iphone app? http://stackoverflow.com/questions/1490573/how-to-programatically-check-whether-a-keyboard-is-present-in-iphone-app share improve this question drawnonward's code is very close but collides with UIKit's namespace and could be made easier to use. @interface KeyboardStateListener NSObject BOOL _isVisible KeyboardStateListener sharedInstance @property nonatomic..
How do I detect when someone shakes an iPhone? http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone to detect this iphone ios accelerometer shake motion detection share improve this question In 3.0 there's now an easier way hook into the new motion events. The main trick is that you need to have some UIView not UIViewController that you want..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview something obvious iphone ios mkmapview mapkit mkannotationview share improve this question There is an even easier solution. Create a custom UIView for your callout . Then create a subclass of MKAnnotationView and override setSelected..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention be accessed without a setter getter property and thus they are ALL private given that why not name them in a way easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed by the compiler and avoided through..
http://stackoverflow.com/questions/2711297/underline-text-in-uilabel ctx super drawRect rect UPD As of iOS 6 Apple added NSAttributedString support for UILabel so now it's much easier and works for multiple lines NSDictionary underlineAttribute @ NSUnderlineStyleAttributeName @ NSUnderlineStyleSingle myLabel.attributedText..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p @ d @ self NSString.. lastPathComponent __LINE__ NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework fast This code is really stupidly obscure it is generously commented but the comments don't actually make life any easier. Basically at the heart of it is vDSP_fft_zrip setupReal A stride log2n FFT_FORWARD vDSP_fft_zrip setupReal A stride log2n..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel 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 10 14 21 59 We only need to create the attributed string if..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store only has to be done when you add or remove applications. Updated applications just need to be relaunched. To make life easier for yourself during development you can setup SSH key authentication and add these extra steps as a custom build step in..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios
http://stackoverflow.com/questions/551530/customizing-uialertview for. This means that you're changing the UI paradigm on the user which is never a good idea. Second it would be much easier to animate a custom view into place than to try and hack UIAlertView to get it to do what you want. share improve this..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers . Third and perhaps most importantly note that the best practices mentioned in the Stanford presentation are much easier to understand if you think about them in the context of the dependency injection design pattern. In a nutshell this means.. addSubview bookPicker view window makeKeyAndVisible Finally not only is your BookPickerController reusable but also easier to test. void testBookPickerController MockBookWarehouse myWarehouse MockBookWarehouse alloc init MockCheckoutController..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare that is what you need. And as for tc's question does the orientation relative to North matter I guess not. It is far easier to compare the acceleration vectors than orientations Euler angles rotation matrices quaternions as tc pointed that out...
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su can find it at https gist.github.com 1394947 . 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..
Reducing piracy of iPhone applications http://stackoverflow.com/questions/846309/reducing-piracy-of-iphone-applications UPDATE Please visit and read Thanks to chpwn in the comments. Code that's way too old 11th May 2009 For now there's an easier way to detect if your iPhone application has been cracked for piracy use. This does not involve you to check the iPhone..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder Thanks Gonso iphone objective c ios cocoa touch interface builder share improve this question There is also an easier way to access the view instead of dealing with the nib as an array. 1 Create a custom View subclass with any outlets that..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons There is no downside. Use it. Do it today. It is faster than your old code. It is safer than your old code. It is easier than your old code. It is not garbage collection. It has no GC runtime cost. The compiler inserts retains and releases in..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview openRead Thanks in advance html iphone uiwebview share improve this question The second question is actually easier to answer. Look at the stringWithContentsOfURL encoding error method of NSString it lets you pass in a URL as an instance..
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