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2014/10/15 ¤U¤È 10:11:00
iphone Programming Glossary: levelUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application that manages a stack and from which you retrieve a context typically at best introduces a needless level of indirection and at worst introduces unnecessary application rigidity. No example retrieves the context..
iPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing of a complex programmatic view heirarchy that 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..
http://stackoverflow.com/questions/1388467/reading-epub-format just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding program from Apple.It consist of LevelMeter.h file in which @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the.. @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property.. @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch ..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone id initWithFrame CGRect frame if self super initWithFrame frame Place the window on the correct level and position self.windowLevel UIWindowLevelStatusBar 1.0f self.frame UIApplication sharedApplication..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting private API and a lot of headaches. Editing would work like 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..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset the transform scale to 1x1 so that the next time the user zooms the transform starts.. simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When I finish..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation it possible to cancel a UIView animation while it is in progress Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be a navigation controller whose root view is an Accounts table view. If you.. whose root view is an Accounts table view. If you click on any account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down.. the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController..
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..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su view transition animations that replace a view w a different view must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented..
iPhone App ??#160;Add voice recognition? [closed] http://stackoverflow.com/questions/942312/iphone-app-add-voice-recognition big companies like Google etc implement this feature but I'm curious about doing it on a start up level. Anyone looked into this Are there any tools out there for us to do this iphone speech recognition..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos UPDATE I gave a test to the library mentioned above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h void imagePickerController..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application a managed object. Using and passing a singleton object that manages a stack and from which you retrieve a context typically at best introduces a needless level of indirection and at worst introduces unnecessary application rigidity. No example retrieves the context using UIApplication delegate managedObjectContext share..
iPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing up for viewWillAppear events. Does anyone have an example of a complex programmatic view heirarchy that 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..
http://stackoverflow.com/questions/1388467/reading-epub-format then to display the relevant content. Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your app's documents folder using the zip library..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding in iphone .I have downloaded the speak here sample program from Apple.It consist of LevelMeter.h file in which @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property.. program from Apple.It consist of LevelMeter.h file in which @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c.. UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property directive..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone UIWindow @end @implementation ACStatusBarOverlayWindow id initWithFrame CGRect frame if self super initWithFrame frame Place the window on the correct level and position self.windowLevel UIWindowLevelStatusBar 1.0f self.frame UIApplication sharedApplication statusBarFrame Create an image view with an image to make it..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting that. You canot get selections acces the DOM etc without private API and a lot of headaches. Editing would work like 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..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom I want the graph to resize dynamically like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset the transform scale to 1x1 so that the next time the user zooms the transform starts from the current view. If I reset the transform to Identity.. device. This doesn't even solve the issue entirely on the simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up at the correct scale but the actual act..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation a UIView animation Is it possible to cancel a UIView animation while it is in progress Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations nil context NULL UIView setAnimationDuration duration UIView..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root inside a navigation controller or sharing a navigation root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be a navigation controller whose root view is an Accounts table view. If you click on any account it goes to the second level which has.. the top level view controller seems to be a navigation controller whose root view is an Accounts table view. If you click on any account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this.. account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController UITabBarController Tweets UITableViewController..
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 controller for the C function pointer for the method corresponding 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..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su when the interface is in portrait orientation. This is b c view transition animations that replace a view w a different view must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented a simple container class I called TransitionController..
iPhone App ??#160;Add voice recognition? [closed] http://stackoverflow.com/questions/942312/iphone-app-add-voice-recognition like to build an app that uses voice recognition. I've seen big companies like Google etc implement this feature but I'm curious about doing it on a start up level. Anyone looked into this Are there any tools out there for us to do this iphone speech recognition voice recording speech to text share improve this question..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application a singleton object that manages a stack and from which you retrieve a context typically at best introduces a needless level of indirection and at worst introduces unnecessary application rigidity. No example retrieves the context using UIApplication..
iPhone viewWillAppear not firing http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing have an example of a complex programmatic view heirarchy that 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..
http://stackoverflow.com/questions/1388467/reading-epub-format pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding speak here sample program from Apple.It consist of LevelMeter.h file in which @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a.. file in which @interface LevelMeter UIView CGFloat _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please.. property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question..
Adding view on StatusBar in iPhone http://stackoverflow.com/questions/2833724/adding-view-on-statusbar-in-iphone id initWithFrame CGRect frame if self super initWithFrame frame Place the window on the correct level and position self.windowLevel UIWindowLevelStatusBar 1.0f self.frame UIApplication sharedApplication statusBarFrame Create..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting the DOM etc without private API and a lot of headaches. Editing would work like 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..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom like it does when I return the graph from viewForZoomingInScrollView. However the Graph redraws itself at the new zoom level and I want to reset the transform scale to 1x1 so that the next time the user zooms the transform starts from the current.. entirely on the simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up..
http://stackoverflow.com/questions/554997/cancel-a-uiview-animation animation Is it possible to cancel a UIView animation while it is in progress Or would I have to drop to the CA level i.e. I've done something like this maybe setting an end animation action too UIView beginAnimations nil context NULL UIView..
Tab bar controller inside a navigation controller, or sharing a navigation root view http://stackoverflow.com/questions/576764/tab-bar-controller-inside-a-navigation-controller-or-sharing-a-navigation-root a navigation root view I'm trying to implement a UI structured like in the Tweetie app which behaves as so the top level view controller seems to be a navigation controller whose root view is an Accounts table view. If you click on any account.. a navigation controller whose root view is an Accounts table view. If you click on any account it goes to the second level which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent.. has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further the subsequent levels don't show the tab bar . So this seems like the implementation hierarchy is UINavigationController Accounts UITableViewController..
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 the method corresponding 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..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su This is b c view transition animations that replace a view w a different view must occur with views at least a level below the first view added to the window e.g. window.rootViewController.view.anotherView . I've implemented a simple container..
iPhone App ??#160;Add voice recognition? [closed] http://stackoverflow.com/questions/942312/iphone-app-add-voice-recognition I've seen big companies like Google etc implement this feature but I'm curious about doing it on a start up level. Anyone looked into this Are there any tools out there for us to do this iphone speech recognition voice recording speech..
iPhone App floating point calculations when released to the app store. http://stackoverflow.com/questions/14210621/iphone-app-floating-point-calculations-when-released-to-the-app-store behavior between Release and Debug version. This different behavior has been seen in the past. Is given by Optmization Level setting. Debug version is set to None O0 while the Release version is set to Fastest Smallest Os . An example here .. here..
Video file formats supported in iPhone http://stackoverflow.com/questions/1535836/video-file-formats-supported-in-iphone .mp4 and .mov file formats H.264 video up to 768 Kbps 320 by 240 pixels 30 frames per second Baseline Profile up to Level 1.3 with AAC LC audio up to 160 Kbps 48kHz stereo audio in .m4v .mp4 and .mov file formats MPEG 4 video up to 2.5 Mbps 640..
Changing Backlight Level, iPhone http://stackoverflow.com/questions/1777470/changing-backlight-level-iphone Backlight Level iPhone I searched around for a way to set the backlight level within an app on the iPhone. I found a solution here http.. GraphicsServices.h void viewWillAppear BOOL animated NSNumber bl NSNumber CFPreferencesCopyAppValue CFSTR SBBacklightLevel CFSTR com.apple.springboard previousBacklightLevel bl floatValue Error here incompatible types in assignment bl release.. NSNumber bl NSNumber CFPreferencesCopyAppValue CFSTR SBBacklightLevel CFSTR com.apple.springboard previousBacklightLevel bl floatValue Error here incompatible types in assignment bl release GSEventSetBacklightLevel 0.5f Warning here implicit..
SOLVED: Peculiar problem - iphone application distribution build contains a bug http://stackoverflow.com/questions/2211486/solved-peculiar-problem-iphone-application-distribution-build-contains-a-bug the compiler was ignoring all calls to set a CGSize's values. I was able to prevent this by setting the Optimization Level in the target preferences to None instead of Fastest Smallest . Hello there I have a very peculiar in my application. A..
indentationLevelForRowAtIndexPath not indenting custom cell http://stackoverflow.com/questions/2502822/indentationlevelforrowatindexpath-not-indenting-custom-cell not indenting custom cell I have overridden the tableView indentationLevelForRowAtIndexPath method in.. not indenting custom cell I have overridden the tableView indentationLevelForRowAtIndexPath method in my UITableViewController derived class as follows NSInteger tableView UITableView tableView indentationLevelForRowAtIndexPath.. method in my UITableViewController derived class as follows NSInteger tableView UITableView tableView indentationLevelForRowAtIndexPath NSIndexPath indexPath NSDictionary item self.projects objectAtIndex indexPath.row int indentationLevel..
Received memory warning. Level=1 when showing a UIImagePickerController http://stackoverflow.com/questions/3099029/received-memory-warning-level-1-when-showing-a-uiimagepickercontroller memory warning. Level 1 when showing a UIImagePickerController This is driving me crazy I'm getting a Received memory warning. Level 1 whenever.. Level 1 when showing a UIImagePickerController This is driving me crazy I'm getting a Received memory warning. Level 1 whenever I attempt to show a UIImagePickerController with a sourceType UIImagePickerControllerSourceTypeCamera. Here is..
http://stackoverflow.com/questions/330461/how-to-get-battery-status UIDevice myDevice UIDevice currentDevice myDevice setBatteryMonitoringEnabled YES float batLeft myDevice batteryLevel int i myDevice batteryState int batinfo batLeft 100 NSLog @ Battry Level is d and Battery Status is d batinfo i switch i.. YES float batLeft myDevice batteryLevel int i myDevice batteryState int batinfo batLeft 100 NSLog @ Battry Level is d and Battery Status is d batinfo i switch i case UIDeviceBatteryStateUnplugged BCStatus setText NSLocalizedString @..
Changing the volume without a volume slider on an iphone http://stackoverflow.com/questions/3458965/changing-the-volume-without-a-volume-slider-on-an-iphone For that particular example you would set the volume like this Add to the AudioStreamer.h file void setVolume float Level Add to the AudioStreamer.m file void setVolume float Level OSStatus errorMsg AudioQueueSetParameter audioQueue kAudioQueueParam_Volume.. this Add to the AudioStreamer.h file void setVolume float Level Add to the AudioStreamer.m file void setVolume float Level OSStatus errorMsg AudioQueueSetParameter audioQueue kAudioQueueParam_Volume Level if errorMsg NSLog @ AudioQueueSetParameter.. file void setVolume float Level OSStatus errorMsg AudioQueueSetParameter audioQueue kAudioQueueParam_Volume Level if errorMsg NSLog @ AudioQueueSetParameter returned d when setting the volume. errorMsg Add to the view controller for..
Setting up a plist to store application data (not settings) for an iPhone game http://stackoverflow.com/questions/4911688/setting-up-a-plist-to-store-application-data-not-settings-for-an-iphone-game how I should set the plist up based on my data model. Here is how I have it hard coded now in my appDelegate void loadLevels setup NSNumber objects to load into sequences NSNumber rID NSNumber alloc initWithInt 0 autorelease NSNumber bID NSNumber.. NSNumber byID NSNumber alloc initWithInt 8 autorelease NSNumber gyID NSNumber alloc initWithInt 9 autorelease Level One's Sequence NSMutableArray aSequence NSMutableArray alloc initWithCapacity 1 autorelease aSequence addObject rID aSequence.. bgID aSequence addObject byID aSequence addObject gyID Load level One _levels NSMutableArray alloc init autorelease Level level1 Level alloc initWithLevelNum 1 levelSpeed 1.0 levelSequence aSequence autorelease _levels addObject level1 do the..
iOS Low Memory Crash, but very low memory usage http://stackoverflow.com/questions/5980636/ios-low-memory-crash-but-very-low-memory-usage There is no crash log that I can find. The following is from the console MyApp 1205 Warning Received memory warning. Level 1 MyApp 1205 Warning applicationDidReceiveMemoryWarning SpringBoard 30 Warning Received memory warning. Level 1 MobileMail.. warning. Level 1 MyApp 1205 Warning applicationDidReceiveMemoryWarning SpringBoard 30 Warning Received memory warning. Level 1 MobileMail 1199 Warning Received memory warning. Level 1 configd 26 Notice jetsam kernel memory event 95 free 428 active.. SpringBoard 30 Warning Received memory warning. Level 1 MobileMail 1199 Warning Received memory warning. Level 1 configd 26 Notice jetsam kernel memory event 95 free 428 active 1853 inactive 1011 purgeable 338 wired 15122 configd 26..
Does Apple provide an API for SIRI? http://stackoverflow.com/questions/7857353/does-apple-provide-an-api-for-siri an API for Siri It would be great if I can be sipping my coffee and say User SIRI could you please open Angry Birds Level 4 and throw a first bird for me And make sure you atleast hit one green pig SIRI Yes sure I will do that for you Is this..
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