2014/10/15 下午 10:12:22
iphone Programming Glossary: optionsHow do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder recorderFilePath NSError err nil NSData audioData NSData dataWithContentsOfFile url path options 0 error err if audioData NSLog @ audio data @ d @ err domain err code err userInfo description editedObject..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone stringByStrippingHTML NSRange r NSString s self copy autorelease while r s rangeOfString @ ^ options NSRegularExpressionSearch .location NSNotFound s s stringByReplacingCharactersInRange r withString @..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk Project Edit Project Settings... Under Architecture Base SDK choose one of the available device options iPhone 3.2 or iPhone 4.0. If you are iPhone only 4.0 is the way to go. Close that window. From the menu.. Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2 or iPhone 4.0. If you want to target previous iOS versions then in that same window under..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version @ 3.1 NSString currSysVer UIDevice currentDevice systemVersion if currSysVer compare reqSysVer options NSNumericSearch NSOrderedAscending displayLinkSupported TRUE Important Note If for whatever reason you..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first one is to do something less fancy and show it just as plain text without attributes...
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef image NSDictionary options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES kCVPixelBufferCGImageCompatibilityKey.. kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file NULL path kCFURLPOSIXPathStyle 0 CFRelease path This dictionary contains extra options mostly for 'signing' the PDF myDictionary CFDictionaryCreateMutable NULL 0 kCFTypeDictionaryKeyCallBacks.. view UIView loadTemplate NSArray nib NSBundle mainBundle loadNibNamed @ ReportTemplate owner self options nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various..
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 how do I add a set of json data to this post as a simple string for example magic real true options happy true joy true joy2 true key 123 Thank you in advance iphone objective c cocoa touch json..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive completes go to the Organizer select your archive select Share and in the Select the content and options for sharing pane set Contents to iOS App Store Package .ipa and Identity to iPhone Distribution which..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice Block based Animation based on Tom's Comment UIView transitionWithView mysuperview duration 0.75 options UIViewAnimationTransitionFlipFromRight animations ^ myview removeFromSuperview completion nil share..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application iOS 4.3 and the solution should work for non jailbroken iPhones. I tried considered following options CLLocationManager startUpdatingLocation startMonitoringSignificantLocationChanges This works in the..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization Here is my code so far NSError e nil NSDictionary JSON NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e This is just something I saw as an example on another website... of how to handle it NSError e nil NSArray jsonArray NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e if jsonArray NSLog @ Error parsing JSON @ e else for NSDictionary..
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 MyViewController write the following line NSBundle mainBundle loadNibNamed @ myViewNib owner self options nil Now as soon as you do that calling your property self.myViewFromNib will give you access to the..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder 10 void stopRecording recorder stop NSURL url NSURL fileURLWithPath recorderFilePath NSError err nil NSData audioData NSData dataWithContentsOfFile url path options 0 error err if audioData NSLog @ audio data @ d @ err domain err code err userInfo description editedObject setValue NSData dataWithContentsOfURL url forKey editedFieldKey..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController in your storyboard embedded in a navigation controller and..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk will do the trick you can get the thumbnail at any time in the example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone everything between and solution works with iOS 3.2 NSString stringByStrippingHTML NSRange r NSString s self copy autorelease while r s rangeOfString @ ^ options NSRegularExpressionSearch .location NSNotFound s s stringByReplacingCharactersInRange r withString @ return s I have this declared as a category os NSString. ..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk Fixing Base SDK Missing Load your project From the menu select Project Edit Project Settings... Under Architecture Base SDK choose one of the available device options iPhone 3.2 or iPhone 4.0. If you are iPhone only 4.0 is the way to go. Close that window. From the menu select Project Edit Active Target YourTarget Under Architecture.. go. Close that window. From the menu select Project Edit Active Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2 or iPhone 4.0. If you want to target previous iOS versions then in that same window under Deployment iPhone OS Deployment Target select the lowest version..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version is used as fallback when it isn't available. NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice systemVersion if currSysVer compare reqSysVer options NSNumericSearch NSOrderedAscending displayLinkSupported TRUE Important Note If for whatever reason you decide that systemVersion is what you want make sure to treat..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel setAttributes subAttrs range range Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first one is to do something less fancy and show it just as plain text without attributes. The second is to use CoreText and get similar results with a..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef image NSDictionary options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES kCVPixelBufferCGImageCompatibilityKey NSNumber numberWithBool YES kCVPixelBufferCGBitmapContextCompatibilityKey.. pxbuffer NULL CVReturn status CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress pxbuffer NSParameterAssert..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file a CFURL using the CFString we just defined url CFURLCreateWithFileSystemPath NULL path kCFURLPOSIXPathStyle 0 CFRelease path This dictionary contains extra options mostly for 'signing' the PDF myDictionary CFDictionaryCreateMutable NULL 0 kCFTypeDictionaryKeyCallBacks kCFTypeDictionaryValueCallBacks CFDictionarySetValue.. to from design time coordinates . In code I load the view UIView loadTemplate NSArray nib NSBundle mainBundle loadNibNamed @ ReportTemplate owner self options nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various elements. I used tags to find the appropriate elements..
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 the HttpMethod like so request setHTTPMethod @ POST And finally how do I add a set of json data to this post as a simple string for example magic real true options happy true joy true joy2 true key 123 Thank you in advance iphone objective c cocoa touch json nsurlrequest share improve this question Here's what I do..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive an .xcarchive Product Archive. After the Archive operation completes go to the Organizer select your archive select Share and in the Select the content and options for sharing pane set Contents to iOS App Store Package .ipa and Identity to iPhone Distribution which should match your ad hoc app store provisioning profile for..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application location update every n minutes in my iOS application. I'm using iOS 4.3 and the solution should work for non jailbroken iPhones. I tried considered following options CLLocationManager startUpdatingLocation startMonitoringSignificantLocationChanges This works in the background as expected based on the configured properties but..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization how the NSJSONSerialization stores the data though. Here is my code so far NSError e nil NSDictionary JSON NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e This is just something I saw as an example on another website. I have been trying to get a read on the JSON object by printing.. 1 name Aaa id 2 name Bbb This might give you a clear picture of how to handle it NSError e nil NSArray jsonArray NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e if jsonArray NSLog @ Error parsing JSON @ e else for NSDictionary item in jsonArray NSLog @ Item @ item share improve this..
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
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder url NSURL fileURLWithPath recorderFilePath NSError err nil NSData audioData NSData dataWithContentsOfFile url path options 0 error err if audioData NSLog @ audio data @ d @ err domain err code err userInfo description editedObject setValue NSData..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController in your storyboard..
Getting thumbnail from a video url or data in IPhone SDK http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk at any time in the example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage image scaledToSize..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone with iOS 3.2 NSString stringByStrippingHTML NSRange r NSString s self copy autorelease while r s rangeOfString @ ^ options NSRegularExpressionSearch .location NSNotFound s s stringByReplacingCharactersInRange r withString @ return s I have this..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk From the menu select Project Edit Project Settings... Under Architecture Base SDK choose one of the available device options iPhone 3.2 or iPhone 4.0. If you are iPhone only 4.0 is the way to go. Close that window. From the menu select Project Edit.. Project Edit Active Target YourTarget Under Architecture Base SDK choose one of the available device or simulator options iPhone 3.2 or iPhone 4.0. If you want to target previous iOS versions then in that same window under Deployment iPhone OS..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice systemVersion if currSysVer compare reqSysVer options NSNumericSearch NSOrderedAscending displayLinkSupported TRUE Important Note If for whatever reason you decide that systemVersion..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel Set it in our UILabel and we are done _label setAttributedText attributedText else iOS5 and below Here we have some options too. The first one is to do something less fancy and show it just as plain text without attributes. The second is to use..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef image NSDictionary options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES kCVPixelBufferCGImageCompatibilityKey NSNumber numberWithBool.. CVPixelBufferCreate kCFAllocatorDefault frameSize.width frameSize.height kCVPixelFormatType_32ARGB CFDictionaryRef options pxbuffer NSParameterAssert status kCVReturnSuccess pxbuffer NULL CVPixelBufferLockBaseAddress pxbuffer 0 void pxdata CVPixelBufferGetBaseAddress..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file url CFURLCreateWithFileSystemPath NULL path kCFURLPOSIXPathStyle 0 CFRelease path This dictionary contains extra options mostly for 'signing' the PDF myDictionary CFDictionaryCreateMutable NULL 0 kCFTypeDictionaryKeyCallBacks kCFTypeDictionaryValueCallBacks.. . In code I load the view UIView loadTemplate NSArray nib NSBundle mainBundle loadNibNamed @ ReportTemplate owner self options nil for id view in nib if view isKindOfClass UIView class return view return nil I then fill in various elements. I used..
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 @ POST And finally how do I add a set of json data to this post as a simple string for example magic real true options happy true joy true joy2 true key 123 Thank you in advance iphone objective c cocoa touch json nsurlrequest share..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive the Archive operation completes go to the Organizer select your archive select Share and in the Select the content and options for sharing pane set Contents to iOS App Store Package .ipa and Identity to iPhone Distribution which should match your..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice instead. Eg of Block based Animation based on Tom's Comment UIView transitionWithView mysuperview duration 0.75 options UIViewAnimationTransitionFlipFromRight animations ^ myview removeFromSuperview completion nil share improve this answer..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application application. I'm using iOS 4.3 and the solution should work for non jailbroken iPhones. I tried considered following options CLLocationManager startUpdatingLocation startMonitoringSignificantLocationChanges This works in the background as expected..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization the data though. Here is my code so far NSError e nil NSDictionary JSON NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e This is just something I saw as an example on another website. I have been trying.. you a clear picture of how to handle it NSError e nil NSArray jsonArray NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error e if jsonArray NSLog @ Error parsing JSON @ e else for NSDictionary item in jsonArray..
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 in the nib. 5 Now in MyViewController write the following line NSBundle mainBundle loadNibNamed @ myViewNib owner self options nil Now as soon as you do that calling your property self.myViewFromNib will give you access to the view from your nib ..
Location Manager Error : (KCLErrorDomain error 0) http://stackoverflow.com/questions/1409141/location-manager-error-kclerrordomain-error-0 error 0 why this error occurs iphone share improve this question This error occurs if you have Scheme Edit Scheme Options Allow Location Simulation checked but don't have a default location set. I'm sure there are other causes as well though...
Core Data Inferred Migration ??Automatic “lightweight” vs Manual http://stackoverflow.com/questions/2535373/core-data-inferred-migration-automatic-lightweight-vs-manual 5 times longer than automatic UPDATE Model loading Core Data documentation for NSPersistentStoreCoordinator Migration Options says NSInferMappingModelAutomaticallyOption ... the coordinator will attempt to infer a mapping model if none can be found...
CLLocationManager on iPhone Simulator fails with kCLErrorDomain Code=0 http://stackoverflow.com/questions/3110708/cllocationmanager-on-iphone-simulator-fails-with-kclerrordomain-code-0 cllocationmanager cllocation share improve this question This error also occurs if you have Scheme Edit Scheme Options Allow Location Simulation checked but don't have a default location set. Please check this it may resolve your issue. share..
iOS installing apps without app store http://stackoverflow.com/questions/3848916/ios-installing-apps-without-app-store
FFMPEG integration on iphone/ ipad project http://stackoverflow.com/questions/6854190/ffmpeg-integration-on-iphone-ipad-project options by going in to the ffmpeg folder and type . configure help list of options for your reference FFmpeg Configure Options . The 𦒄omponents options will be up to you depending on what you want to do with FFmpeg. Now run the following configure.. that the library is functioning. Go to your AppDelegate.m and add #include avformat.h And in the didFinishLaunchingWithOptions function add av_register_all if suppose you are getting this errors means Undefined symbols for architecture i386 _iconv..
Best practices for handling user preferences in an iPhone MVC app? http://stackoverflow.com/questions/962591/best-practices-for-handling-user-preferences-in-an-iphone-mvc-app MainView displaying data stored in a Model object MainViewController handling the app logic. For the options I have an OptionsView and an OptionsViewController. A RootViewController handles swapping of the Main and Options views. First of all what.. data stored in a Model object MainViewController handling the app logic. For the options I have an OptionsView and an OptionsViewController. A RootViewController handles swapping of the Main and Options views. First of all what about the options.. the options I have an OptionsView and an OptionsViewController. A RootViewController handles swapping of the Main and Options views. First of all what about the options data Would I want to make an NSOjbect derived class to store them an OptionsModel..
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