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2014/10/15 ¤U¤È 10:13:25
iphone Programming Glossary: returnedApple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers to receive alerts deviceToken 'XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos folder and running it through an EXIF library. However I can't work out a way of matching a photo returned from the UIImagePickerController to a file on disk. I've explored file sizes but the original file is.. to a file on disk. I've explored file sizes but the original file is a JPEG whilst the returned image is a raw UIImage making it impossible to know the file size of the image that was selected. I'm.. this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use the CLLocationManager..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour to rotate. The system determines whether an orientation is supported by intersecting the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations.. the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations method of the top most full screen controller. The setStatusBarOrientation.. shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your whole app to rotate then you should set..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The code for this would look something..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated...
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest as of recent. I have a working example that can call a url via http GET and parse the json returned. The working example of this is below void connection NSURLConnection connection didReceiveResponse..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone CLLocation newLocation fromLocation CLLocation oldLocation if the time interval returned from core location is more than two minutes we ignore it because it might be from an old session if..
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak problems. Now using.. the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak problems. Now using..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c created it. If we call release however the reference count will hit zero and bad memory will be returned to the caller. The answer is to call autorelease before returning the string. By explicitly calling.. the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of this function. return s autorelease I realize all of this..
Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working? http://stackoverflow.com/questions/6901363/detecting-the-iphones-ring-silent-mute-switch-using-avaudioplayer-not-worki documentation dictates But on my iPhone 4 the state value is always Speaker and the length value returned by CFStringGetLength state is always 7 . Has anyone used this method successfully If so on what kind..
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error http://stackoverflow.com/questions/6984368/undefined-symbols-for-architecture-i386-objc-class-skpsmtpmessage-refere sendEmail in ConfirmController.o ld symbol s not found for architecture i386 collect2 ld returned 1 exit status I have imported framework correctly. Sorce from which i have taken framework and followed..
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 used methods in the init copy family or attributed with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased.. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though you don't want to use it. From the compiler's perspective it is an..
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code I was first testing the notification service. I like it because it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers to receive alerts deviceToken 'XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX' thePayLoad 'aps'..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos file from the private var mobile Media DCIM 100APPLE folder and running it through an EXIF library. However I can't work out a way of matching a photo returned from the UIImagePickerController to a file on disk. I've explored file sizes but the original file is a JPEG whilst the returned image is a raw UIImage making it.. out a way of matching a photo returned from the UIImagePickerController to a file on disk. I've explored file sizes but the original file is a JPEG whilst the returned image is a raw UIImage making it impossible to know the file size of the image that was selected. I'm considering making a table of hashes and matching against.. so we're stuck for sure no EXIF info will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use the CLLocationManager to retrieve the current CLocation Once you have it you..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour method to determine whether to rotate. The system determines whether an orientation is supported by intersecting the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations method of the top most full screen controller... determines whether an orientation is supported by intersecting the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations method of the top most full screen controller. The setStatusBarOrientation animated method is not deprecated outright. It.. file to determine the supported orientations. Instead the shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your whole app to rotate then you should set your Info.plist to support all orientations. Now if you want..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The code for this would look something like NSUserDefaults standardUserDefaults setObject NSArray..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone back ground must be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated. iphone ios cocoa touch gradient share improve this question..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest I'm starting to put a great deal of effort into request response as of recent. I have a working example that can call a url via http GET and parse the json returned. The working example of this is below void connection NSURLConnection connection didReceiveResponse NSURLResponse response responseData setLength 0 void connection..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone return YES void locationManager CLLocationManager manager didUpdateToLocation CLLocation newLocation fromLocation CLLocation oldLocation if the time interval returned from core location is more than two minutes we ignore it because it might be from an old session if abs newLocation.timestamp timeIntervalSinceDate NSDate date..
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init and NSMutableArray array NSMutableArray alloc init Because in the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak problems. Now using the first declaration I don't need to release anything... ipad memory leaks share improve this question Because in the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak problems. Now using the first declaration i don't need to release anything That..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c be responsible for releasing it since we're the ones that created it. If we call release however the reference count will hit zero and bad memory will be returned to the caller. The answer is to call autorelease before returning the string. By explicitly calling autorelease we pass the responsibility for releasing the string.. we pass the responsibility for releasing the string on to the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of this function. return s autorelease I realize all of this is a bit confusing at some point though it will click. Here..
Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working? http://stackoverflow.com/questions/6901363/detecting-the-iphones-ring-silent-mute-switch-using-avaudioplayer-not-worki the iPhone mute switch AVAudioSession category not working as documentation dictates But on my iPhone 4 the state value is always Speaker and the length value returned by CFStringGetLength state is always 7 . Has anyone used this method successfully If so on what kind of device and SDK version I'm calling it like so BOOL deviceIsSilenced..
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error http://stackoverflow.com/questions/6984368/undefined-symbols-for-architecture-i386-objc-class-skpsmtpmessage-refere _kSKPSMTPPartContentTypeKey referenced from ConfirmController sendEmail in ConfirmController.o ld symbol s not found for architecture i386 collect2 ld returned 1 exit status I have imported framework correctly. Sorce from which i have taken framework and followed is MFMailComposeViewController Question Locking the Fields..
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 standard assumption Release new object values when no longer used methods in the init copy family or attributed with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased The call to methodForSelector assumes.. return values that aren't assigned to local variables. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though you don't want to use it. From the compiler's perspective it is an object after all. That means that if the method you're calling..
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code I like it because it is very simple and works well during testing. import socket ssl json struct # device token returned when the iPhone application # registers to receive alerts deviceToken 'XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos Media DCIM 100APPLE folder and running it through an EXIF library. However I can't work out a way of matching a photo returned from the UIImagePickerController to a file on disk. I've explored file sizes but the original file is a JPEG whilst the.. the UIImagePickerController to a file on disk. I've explored file sizes but the original file is a JPEG whilst the returned image is a raw UIImage making it impossible to know the file size of the image that was selected. I'm considering making.. will be given through this interface. FINAL UPDATE Ok I managed to get it working at least to geotag properly pictures returned by the picker. Before triggering the UIImagePickerController it's up to you to use the CLLocationManager to retrieve the..
Autorotate in iOS 6 has strange behaviour http://stackoverflow.com/questions/12526054/autorotate-in-ios-6-has-strange-behaviour to determine whether to rotate. The system determines whether an orientation is supported by intersecting the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations.. by intersecting the value returned by the app ™s supportedInterfaceOrientationsForWindow method with the value returned by the supportedInterfaceOrientations method of the top most full screen controller. The setStatusBarOrientation animated.. Instead the shouldAutorotateToInterfaceOrientation method is used to synthesize the information that would be returned by the supportedInterfaceOrientations method. If you want your whole app to rotate then you should set your Info.plist to..
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language setObject forKey method to set your own language list. This will take precedence over the globally set value and be returned to any code in your application that is performing localization. The code for this would look something like NSUserDefaults..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated. iphone ios cocoa..
How to send json data in the Http request using NSURLRequest http://stackoverflow.com/questions/4456966/how-to-send-json-data-in-the-http-request-using-nsurlrequest into request response as of recent. I have a working example that can call a url via http GET and parse the json returned. The working example of this is below void connection NSURLConnection connection didReceiveResponse NSURLResponse response..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone manager didUpdateToLocation CLLocation newLocation fromLocation CLLocation oldLocation if the time interval returned from core location is more than two minutes we ignore it because it might be from an old session if abs newLocation.timestamp..
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init alloc init Because in the beginning I was declaring all my arrays with alloc and if in the end of a certain function I returned the array created with alloc I had to autorelease that array because of memory leak problems. Now using the first declaration.. question Because in the beginning i was declaring all my arrays with alloc and if in the end of a certain function i returned the array created with alloc i had to autorelease that array because memory leak problems. Now using the first declaration..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c we're the ones that created it. If we call release however the reference count will hit zero and bad memory will be returned to the caller. The answer is to call autorelease before returning the string. By explicitly calling autorelease we pass.. the string on to the thread's NSAutoreleasePool which will happen at some later time. The consequence is that the returned string will still be valid for the caller of this function. return s autorelease I realize all of this is a bit confusing..
Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working? http://stackoverflow.com/questions/6901363/detecting-the-iphones-ring-silent-mute-switch-using-avaudioplayer-not-worki not working as documentation dictates But on my iPhone 4 the state value is always Speaker and the length value returned by CFStringGetLength state is always 7 . Has anyone used this method successfully If so on what kind of device and SDK version..
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error http://stackoverflow.com/questions/6984368/undefined-symbols-for-architecture-i386-objc-class-skpsmtpmessage-refere from ConfirmController sendEmail in ConfirmController.o ld symbol s not found for architecture i386 collect2 ld returned 1 exit status I have imported framework correctly. Sorce from which i have taken framework and followed is MFMailComposeViewController..
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 values when no longer used methods in the init copy family or attributed with ns_returns_retained Do nothing assume returned object value will be valid in local scope until inner most release pool is drained attributed with ns_returns_autoreleased.. to local variables. There's no reason that with ARC enabled that it can't retain and release the object value that's returned from methodForSelector even though you don't want to use it. From the compiler's perspective it is an object after all...
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