2014/10/15 下午 10:15:07
iphone Programming Glossary: turnHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I.. @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView NO return self void touchesBegan NSSet touches withEvent UIEvent event if touchesBeganCallback touchesBeganCallback.. event BOOL canBePreventedByGestureRecognizer UIGestureRecognizer preventingGestureRecognizer return NO BOOL canPreventGestureRecognizer UIGestureRecognizer preventedGestureRecognizer return NO @end ..
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode question Environment variables are now part of the scheme . If you edit the scheme you want to turn on zombies for in the Product menu select Edit Scheme go to the Run Foo.app stage in the left panel..
iOS 6: How do I restrict some views to portrait and allow others to rotate? http://stackoverflow.com/questions/12630359/ios-6-how-do-i-restrict-some-views-to-portrait-and-allow-others-to-rotate to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything.. iOS 5 I simply defined shouldAutorotateToInterfaceOrientation in each of my view controllers to return YES for the allowable orientations. Everything worked as described above including the return to portrait.. to return YES for the allowable orientations. Everything worked as described above including the return to portrait even if the device was being held in landscape orientation when returning from view controller..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk turn on bluetooth in the iphone sdk I have seen a lot of questions about this but no one actually gives..
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:] http://stackoverflow.com/questions/2244147/disabling-implicit-animations-in-calayer-setneedsdisplayinrect image using a cross fade. I'd like it to switch over instantly. I've tried using CATransaction to turn off actions and set the duration to zero and neither work. Here's the code I'm using CATransaction begin.. share improve this question You can do this by setting the actions dictionary on the layer to return NSNull null as an animation for the appropriate key. For example I use NSMutableDictionary newActions..
Turn on torch/flash on iPhone 4 http://stackoverflow.com/questions/3190034/turn-on-torch-flash-on-iphone-4 on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code.. flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn.. the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession captureSession AVCaptureSession alloc init AVCaptureDevice videoCaptureDevice..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially.. YES kCVPixelBufferCGBitmapContextCompatibilityKey nil CVPixelBufferRef pxbuffer NULL CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB.. kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again would I convert an NSString like 01 02 10 meaning 1st February 2010 into an NSDate And how could I turn the NSDate back into a string iphone objective c ios nsstring nsdate share improve this question..
Stop UIWebView from “bouncing” vertically? http://stackoverflow.com/questions/500761/stop-uiwebview-from-bouncing-vertically but none of them worked for me http www.iphonedevsdk.com forum iphone sdk development 996 turn off scrolling bounces uiwebview.html http forums.macrumors.com showthread.php t 619534 http stackoverflow.com..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request the request via a NSURLConnection object which forces me to have a delegate object which in turn will handle data events. Could someone please clarify the task with a practical example I should contact.. in 2 ways using NSURLConnection Synchronously NSData sendSynchronousRequest NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process... NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process. IMPORTANT Remember to kick off the synchronous request in a..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app many time ago. So...I know that it is possible because the Map app does it. In the Map app if I turn off the localization for this app it send me a message and if I press ok the Settings App will be open... How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that will open the Setting.. question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain developers release an update which is compatible with ARC. Edit I recently discovered that you can turn off ARC on a per file basis. See pixelfreak 's answer . So my advice still stands but now the 3rd party..
http://stackoverflow.com/questions/706344/lock-unlock-events-iphone BUS speed remains the same mach_time denom numer doesn't change ... However it seems Apple does turn off the accelerometer when the device is locked... Enable iPhone accelerometer while screen is locked..
Customize the MKAnnotationView callout http://stackoverflow.com/questions/8018841/customize-the-mkannotationview-callout in the answer MKAnnotationView Lock custom annotation view to pin on location updates which in turn is based in a blog post from Asynchrony Solutions. For explanation purposes here is some UML from a.. the implementation of the view if annotation conformsToProtocol @protocol AnnotationProtocol return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation.. return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation view ... The view returned will be of type AnnotationView which implements AnnotationViewProtocol..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization I am always getting EXC_BAD_ACCESS. How do I use NSJSONSerialization to parse the JSON above and turn it into the data structure I mentioned iphone objective c json nsdictionary share improve this question..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects This solutions is the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot be prevented and.. @implementation WildcardGestureRecognizer @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView NO return self void touchesBegan NSSet touches withEvent UIEvent event if touchesBeganCallback touchesBeganCallback touches event void touchesCancelled NSSet touches withEvent..
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode NSZombie in Xcode 4 xcode nszombie share improve this question Environment variables are now part of the scheme . If you edit the scheme you want to turn on zombies for in the Product menu select Edit Scheme go to the Run Foo.app stage in the left panel and the Arguments tab on the right. You can then add NSZombieEnabled..
iOS 6: How do I restrict some views to portrait and allow others to rotate? http://stackoverflow.com/questions/12630359/ios-6-how-do-i-restrict-some-views-to-portrait-and-allow-others-to-rotate to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to portrait. In iOS 5 I simply defined shouldAutorotateToInterfaceOrientation.. orientation I want everything to rotate back to portrait. In iOS 5 I simply defined shouldAutorotateToInterfaceOrientation in each of my view controllers to return YES for the allowable orientations. Everything worked as described above including the return to portrait even if the device was being held in landscape orientation.. in each of my view controllers to return YES for the allowable orientations. Everything worked as described above including the return to portrait even if the device was being held in landscape orientation when returning from view controller #4 to #3. In iOS 6 all view controllers rotate to landscape..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk turn on bluetooth in the iphone sdk I have seen a lot of questions about this but no one actually gives a real answer frameworks to import actual code etc . They only..
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:] http://stackoverflow.com/questions/2244147/disabling-implicit-animations-in-calayer-setneedsdisplayinrect updates my layer it's transitioning from the old to the new image using a cross fade. I'd like it to switch over instantly. I've tried using CATransaction to turn off actions and set the duration to zero and neither work. Here's the code I'm using CATransaction begin CATransaction setDisableActions YES self setNeedsDisplayInRect.. same result . iphone ios core animation calayer share improve this question You can do this by setting the actions dictionary on the layer to return NSNull null as an animation for the appropriate key. For example I use NSMutableDictionary newActions NSMutableDictionary alloc initWithObjectsAndKeys NSNull null..
Turn on torch/flash on iPhone 4 http://stackoverflow.com/questions/3190034/turn-on-torch-flash-on-iphone-4 on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession.. on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession captureSession AVCaptureSession alloc.. way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession captureSession AVCaptureSession alloc init AVCaptureDevice videoCaptureDevice AVCaptureDevice defaultDeviceWithMediaType AVMediaTypeVideo..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie improve this question Take a look at AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially you 耱l have to 1 Wire the writer NSError error nil AVAssetWriter.. YES kCVPixelBufferCGImageCompatibilityKey NSNumber numberWithBool YES kCVPixelBufferCGBitmapContextCompatibilityKey nil CVPixelBufferRef pxbuffer NULL CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status.. kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress pxbuffer NSParameterAssert pxdata NULL CGColorSpaceRef rgbColorSpace..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again NSString to NSDate and back again How would I convert an NSString like 01 02 10 meaning 1st February 2010 into an NSDate And how could I turn the NSDate back into a string iphone objective c ios nsstring nsdate share improve this question NSString to NSDate NSString dateString @ 01 02 2010 NSDateFormatter..
Stop UIWebView from “bouncing” vertically? http://stackoverflow.com/questions/500761/stop-uiwebview-from-bouncing-vertically page I had loaded I've looked at the following possible solutions but none of them worked for me http www.iphonedevsdk.com forum iphone sdk development 996 turn off scrolling bounces uiwebview.html http forums.macrumors.com showthread.php t 619534 http stackoverflow.com questions 173786 how do i stop a uiscrollview from..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request as I can understand I should manage the connection which handles the request via a NSURLConnection object which forces me to have a delegate object which in turn will handle data events. Could someone please clarify the task with a practical example I should contact an https endpoint sending authentication data username.. value forHTTPHeaderField NSString field Send your request in 2 ways using NSURLConnection Synchronously NSData sendSynchronousRequest NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process. IMPORTANT Remember to kick off the synchronous request.. using NSURLConnection Synchronously NSData sendSynchronousRequest NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process. IMPORTANT Remember to kick off the synchronous request in a separate thread to avoid blocking the UI. Asynchronously void..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app that there are many question about it but they are all from many time ago. So...I know that it is possible because the Map app does it. In the Map app if I turn off the localization for this app it send me a message and if I press ok the Settings App will be open. And my question is how is this possible How can i open the.. App will be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that will open the Setting app I really appreciate your answers i mean it. iphone settings.. application settings appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open the settings application. Not to be annoying or anything..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain errors and you will be unable to use them until the developers release an update which is compatible with ARC. Edit I recently discovered that you can turn off ARC on a per file basis. See pixelfreak 's answer . So my advice still stands but now the 3rd party libraries shouldn't need to be updated to work with ARC...
http://stackoverflow.com/questions/706344/lock-unlock-events-iphone determine that the screen is locked CPU speed doesn't report BUS speed remains the same mach_time denom numer doesn't change ... However it seems Apple does turn off the accelerometer when the device is locked... Enable iPhone accelerometer while screen is locked tested iOS4.2 on iPhone 4 has this behavior Thus... In your..
Customize the MKAnnotationView callout http://stackoverflow.com/questions/8018841/customize-the-mkannotationview-callout is the solution posted by users djibouti33 and jacob jennings in the answer MKAnnotationView Lock custom annotation view to pin on location updates which in turn is based in a blog post from Asynchrony Solutions. For explanation purposes here is some UML from a forked project This is a big hack but also the cleanest way.. MKAnnotation annotation if this is a custom annotation delegate the implementation of the view if annotation conformsToProtocol @protocol AnnotationProtocol return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation view ... The view returned will be of type AnnotationView.. the view if annotation conformsToProtocol @protocol AnnotationProtocol return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation view ... The view returned will be of type AnnotationView which implements AnnotationViewProtocol to announce that it wants to handle selection..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization printing out the number of elements and things like that but I am always getting EXC_BAD_ACCESS. How do I use NSJSONSerialization to parse the JSON above and turn it into the data structure I mentioned iphone objective c json nsdictionary share improve this question Your root json object is not a dictionary but an array..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture.. WildcardGestureRecognizer @synthesize touchesBeganCallback id init if self super init self.cancelsTouchesInView NO return self void touchesBegan NSSet touches withEvent UIEvent event if touchesBeganCallback touchesBeganCallback touches event.. touch forEvent UIEvent event BOOL canBePreventedByGestureRecognizer UIGestureRecognizer preventingGestureRecognizer return NO BOOL canPreventGestureRecognizer UIGestureRecognizer preventedGestureRecognizer return NO @end share improve this answer..
How to use NSzombie in xcode? [duplicate] http://stackoverflow.com/questions/1211923/how-to-use-nszombie-in-xcode share improve this question Environment variables are now part of the scheme . If you edit the scheme you want to turn on zombies for in the Product menu select Edit Scheme go to the Run Foo.app stage in the left panel and the Arguments tab..
iOS 6: How do I restrict some views to portrait and allow others to rotate? http://stackoverflow.com/questions/12630359/ios-6-how-do-i-restrict-some-views-to-portrait-and-allow-others-to-rotate three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to.. back to portrait. In iOS 5 I simply defined shouldAutorotateToInterfaceOrientation in each of my view controllers to return YES for the allowable orientations. Everything worked as described above including the return to portrait even if the device.. my view controllers to return YES for the allowable orientations. Everything worked as described above including the return to portrait even if the device was being held in landscape orientation when returning from view controller #4 to #3. In..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk turn on bluetooth in the iphone sdk I have seen a lot of questions about this but no one actually gives a real answer frameworks..
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:] http://stackoverflow.com/questions/2244147/disabling-implicit-animations-in-calayer-setneedsdisplayinrect the old to the new image using a cross fade. I'd like it to switch over instantly. I've tried using CATransaction to turn off actions and set the duration to zero and neither work. Here's the code I'm using CATransaction begin CATransaction setDisableActions.. animation calayer share improve this question You can do this by setting the actions dictionary on the layer to return NSNull null as an animation for the appropriate key. For example I use NSMutableDictionary newActions NSMutableDictionary..
Max size iPad / iPhone Offline Application Cache http://stackoverflow.com/questions/2772908/max-size-ipad-iphone-offline-application-cache caching ipad offline share improve this question I have the same problem on iPhone. On iPad though I figured a turn around. If your manifest contains files less than 5MB the first time and you update the cache by window.applicationCache.update..
Turn on torch/flash on iPhone 4 http://stackoverflow.com/questions/3190034/turn-on-torch-flash-on-iphone-4 on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is.. on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession.. on iPhone 4 is by turning the video camera on. I'm not too sure of the code though. Here is what I am trying IBAction turnTorchOn AVCaptureSession captureSession AVCaptureSession alloc init AVCaptureDevice videoCaptureDevice AVCaptureDevice defaultDeviceWithMediaType..
Behaviour for significant change location API when terminated/suspended? http://stackoverflow.com/questions/3421242/behaviour-for-significant-change-location-api-when-terminated-suspended the background it should do minimal work and avoid any tasks such as querying the network that might prevent it from returning before the allocated time expires. If it does not your application may be terminated. This suggests you are woken up.. a location test harness that you are welcome to download and try out. It is a pretty simple app that allows you to turn on significant change and gps change APIs through the UI and log all the responses that you get back. N.B. Point six in..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie AVAssetWriter and the rest of the AVFoundation framework . The writer has an input of type AVAssetWriterInput which in turn has a method called appendSampleBuffer that lets you add individual frames to a video stream. Essentially you 耱l have to.. NSNumber numberWithBool YES kCVPixelBufferCGBitmapContextCompatibilityKey nil CVPixelBufferRef pxbuffer NULL CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef.. frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress pxbuffer NSParameterAssert..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again and back again How would I convert an NSString like 01 02 10 meaning 1st February 2010 into an NSDate And how could I turn the NSDate back into a string iphone objective c ios nsstring nsdate share improve this question NSString to NSDate..
Stop UIWebView from “bouncing” vertically? http://stackoverflow.com/questions/500761/stop-uiwebview-from-bouncing-vertically following possible solutions but none of them worked for me http www.iphonedevsdk.com forum iphone sdk development 996 turn off scrolling bounces uiwebview.html http forums.macrumors.com showthread.php t 619534 http stackoverflow.com questions..
iOS: how to perform an HTTP POST request? http://stackoverflow.com/questions/5537297/ios-how-to-perform-an-http-post-request connection which handles the request via a NSURLConnection object which forces me to have a delegate object which in turn will handle data events. Could someone please clarify the task with a practical example I should contact an https endpoint.. Send your request in 2 ways using NSURLConnection Synchronously NSData sendSynchronousRequest NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process. IMPORTANT Remember.. NSData sendSynchronousRequest NSURLRequest request returningResponse NSURLResponse response error NSError error This returns a NSData variable that you can process. IMPORTANT Remember to kick off the synchronous request in a separate thread to..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app but they are all from many time ago. So...I know that it is possible because the Map app does it. In the Map app if I turn off the localization for this app it send me a message and if I press ok the Settings App will be open. And my question.. how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him a message saying something that will open the Setting app I really appreciate.. share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open the settings application...
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain use them until the developers release an update which is compatible with ARC. Edit I recently discovered that you can turn off ARC on a per file basis. See pixelfreak 's answer . So my advice still stands but now the 3rd party libraries shouldn't..
http://stackoverflow.com/questions/706344/lock-unlock-events-iphone speed doesn't report BUS speed remains the same mach_time denom numer doesn't change ... However it seems Apple does turn off the accelerometer when the device is locked... Enable iPhone accelerometer while screen is locked tested iOS4.2 on iPhone..
Customize the MKAnnotationView callout http://stackoverflow.com/questions/8018841/customize-the-mkannotationview-callout and jacob jennings in the answer MKAnnotationView Lock custom annotation view to pin on location updates which in turn is based in a blog post from Asynchrony Solutions. For explanation purposes here is some UML from a forked project This.. annotation delegate the implementation of the view if annotation conformsToProtocol @protocol AnnotationProtocol return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation view ... The.. @protocol AnnotationProtocol return NSObject AnnotationProtocol annotation annotationViewInMap mapView else else return a standard annotation view ... The view returned will be of type AnnotationView which implements AnnotationViewProtocol..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization things like that but I am always getting EXC_BAD_ACCESS. How do I use NSJSONSerialization to parse the JSON above and turn it into the data structure I mentioned iphone objective c json nsdictionary share improve this question Your root json..
iPhone UIWebView local resources using Javascript and handling onorientationChange http://stackoverflow.com/questions/843820/iphone-uiwebview-local-resources-using-javascript-and-handling-onorientationchan code of course is not copied into the resources. So you need to do two things select the .js file in your project and turn off the checkbox that indicates that it is compiled the bullseye column . If you don't do this you'll get a warning in your..
Install iOS Apps on device without developer program, iOS 5.1 http://stackoverflow.com/questions/10494398/install-ios-apps-on-device-without-developer-program-ios-5-1 tutorial is in that blog post but the steps basically are Create self signed certificate with name 'iPhone Developer' Turn 'Code Signing Identities' in Xcode project Build Settings back on to use your self signed certificate 'iPhone Developer'..
Best Practices for Error Logging and/or reporting for iPhone http://stackoverflow.com/questions/1667994/best-practices-for-error-logging-and-or-reporting-for-iphone console Once deployed errors should politely be sent to the mothership for analysis for a bug fix in the next update Turn on Trace Info logging when trying to track down a problem during development Turn off console logging for 'Release' to speed.. for a bug fix in the next update Turn on Trace Info logging when trying to track down a problem during development Turn off console logging for 'Release' to speed up things for the user Should clean up after itself so as to be a good citizen..
Reset push notification settings for app http://stackoverflow.com/questions/2438400/reset-push-notification-settings-for-app Update The tech note has been updated with new steps that work correctly as of iOS 7. Delete your app from the device. Turn the device off completely and turn it back on. Go to Settings General Date Time and set the date ahead a day or more. Turn..
Turn a page (a UIWebView) with an animation http://stackoverflow.com/questions/2598307/turn-a-page-a-uiwebview-with-an-animation a page a UIWebView with an animation I have a webview which shows the pages of a ebook. I want to switch from one page..
Using UIScreen to drive a VGA display - doesn't seem to show the UIWindow? http://stackoverflow.com/questions/2660473/using-uiscreen-to-drive-a-vga-display-doesnt-seem-to-show-the-uiwindow objectAtIndex i if current.size.width max.width max current.size maxScreenMode current Now we have the highest mode. Turn the external display to use that mode. UIScreen external UIScreen screens objectAtIndex 1 external.currentMode maxScreenMode..
Turn off iPhone/Safari input element rounding http://stackoverflow.com/questions/2918707/turn-off-iphone-safari-input-element-rounding off iPhone Safari input element rounding My website renders well on the iPhone Safari browser with one exception My text..
Turn on torch/flash on iPhone 4 http://stackoverflow.com/questions/3190034/turn-on-torch-flash-on-iphone-4 on torch flash on iPhone 4 I know that the only way to turn on the flash and keep it on on iPhone 4 is by turning the video..
http://stackoverflow.com/questions/3784654/uialertview-like-turn-on-location-services-to-allow-maps-to-determine-your-loca like &ldquo Turn On Location Services to allow maps to determine your location&rdquo . Settings Cancel I Want to emit this alert Turn On.. Turn On Location Services to allow maps to determine your location&rdquo . Settings Cancel I Want to emit this alert Turn On Location Services to allow maps to determine your location I need both Settings and Cancel exactly like the maps application...
Turn off display in iPhone OS (iOS) http://stackoverflow.com/questions/3950194/turn-off-display-in-iphone-os-ios off display in iPhone OS iOS is there a way to programmatically turn off the display in iOS Not just turning brightness..
Turn a page like a Book with UIView? http://stackoverflow.com/questions/477078/turn-a-page-like-a-book-with-uiview a page like a Book with UIView I am trying to switch between UIViews by making it look like you are turning a page in a..
http://stackoverflow.com/questions/4956413/reg-modifying-layer-that-is-being-finalized-calayer-frame-message-sen side effect of that because at some point you'd be updating the UIView while it's being deallocated before it should. Turn on breakpoints make sure you've set a breakpoint on exceptions being thrown and run your application within the debugger...
How to use pList in iOS Programming http://stackoverflow.com/questions/7059966/how-to-use-plist-in-ios-programming fileManager URLsForDocumentDirectory NSDocumentDirectory inDomains NSUserDomainMask objectAtIndex 0 Turn the filename into a string safe for use in a URL NSString safeString @ scores.plist stringByAddingPercentEscapesUsingEncoding..
Resizing an image with stretchableImageWithLeftCapWidth http://stackoverflow.com/questions/785986/resizing-an-image-with-stretchableimagewithleftcapwidth I tried using a transparent gif instead. Using a GIF shows the artifact problem on the sim. Victory Found a solution Turn off 'Compress PNG Files' in the build settings for your project. Disabling this makes the PNG transparency work without..
Convert formatted HTML text string to NSString parts http://stackoverflow.com/questions/8148291/convert-formatted-html-text-string-to-nsstring-parts store it in NSString. following is the html string for one of the response from google direction api. teststring is Turn b right b onto b Kennington Park Rd A3 b div style font size 0.9em Continue to follow A3 div div style font size 0.9em Entering.. this html string in Array of 4 different NSStrings with following 4 NSStrings removing all information for size colour Turn right onto Kennington Park Rd A3 Continue to follow A3 Entering toll zone in 1.7 km at Newington Causeway A3 Go through.. NSLog @ @ testString but it converts whole string instead of breaking it in parts. output at the console is Turn right onto Kennington Park Rd A3Continue to follow A3 Entering toll zone in 1.7 km at Newington Causeway A3 Go through 2..
Draw glow around inside edge of multiple CGPaths http://stackoverflow.com/questions/8480401/draw-glow-around-inside-edge-of-multiple-cgpaths the mask. for UIBezierPath path in paths CGContextBeginPath gc CGContextAddPath gc path.CGPath CGContextFillPath gc Turn the bitmap context into a UIImage. CGImageRef cgImage CGBitmapContextCreateImage gc CGContextRelease gc UIImage image UIImage..
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