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2014/10/15 ¤U¤È 10:09:55
iphone Programming Glossary: grabProgrammatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to grab a .h file that was generated from the library and include it in your project. I googled to find it Here..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view to adjust the layer's position to account for the new anchorPoint. One way I've done this is to grab the layer's bounds multiply the bounds' width and height by the old and new anchorPoint's normalized..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone from an NSString in Cocoa. One way is to render the string into an NSAttributedString and then grab the rendered text. Another way is to use NSXMLDocument's objectByApplyingXSLTString method to apply..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting on old devices with long texts. UITextInput Protocol Allows interaction with the keyboard and to grab text input . Also features basic text replacements. Problem text input only badly documented. No text..
Test app on iPhone without paying $99 to Apple [closed] http://stackoverflow.com/questions/4024704/test-app-on-iphone-without-paying-99-to-apple need to install SSH to your device to be able to copy files via scp. Build your application and grab the binary from your build directory. Copy it to the device's Applications folder using scp . Change..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield if the specified text should be changed. The text field has not changed at this point so we grab it's current length and the string length we're inserting minus the range length. If this value is too..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app displayConnectingView else NSLog @ theConnection is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added.. get quick access to the raw pixels within an OpenGL ES texture. You can take advantage of this to grab the pixels for an OpenGL ES rendering by using a framebuffer object FBO with an attached texture with..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString method.. html yourWebView stringByEvaluatingJavaScriptFromString @ document.body.innerHTML This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk iPhoneOS.platform Developer SDKs iPhoneOS3.0.sdk System Library PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to grab a .h file that was generated from the library and include it in your project. I googled to find it Here is one here http iphone dev.googlecode.com svn branches..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view the layer. In order to prevent this movement you would need to adjust the layer's position to account for the new anchorPoint. One way I've done this is to grab the layer's bounds multiply the bounds' width and height by the old and new anchorPoint's normalized values take the difference of the two anchorPoints and apply..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone There are a couple of different ways to remove HTML tags from an NSString in Cocoa. One way is to render the string into an NSAttributedString and then grab the rendered text. Another way is to use NSXMLDocument's objectByApplyingXSLTString method to apply an XSLT transform that does it. Unfortunately the iPhone doesn't..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting no. Just rendering. And quite a bit of work to make it fast on old devices with long texts. UITextInput Protocol Allows interaction with the keyboard and to grab text input . Also features basic text replacements. Problem text input only badly documented. No text selection etc see above . So here we are. Two fully functional..
Test app on iPhone without paying $99 to Apple [closed] http://stackoverflow.com/questions/4024704/test-app-on-iphone-without-paying-99-to-apple iphone sdk 4.1 share improve this question First you need to install SSH to your device to be able to copy files via scp. Build your application and grab the binary from your build directory. Copy it to the device's Applications folder using scp . Change the permissions to 755 recursively using chmod R 755 ApplicationName.app..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield Before the text field changes the UITextField asks the delegate if the specified text should be changed. The text field has not changed at this point so we grab it's current length and the string length we're inserting minus the range length. If this value is too long more than 25 characters in this example return NO to..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop on the edge of revelation I simply cannot achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent to the Aspect Fill option of UIImageView entirely in..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app if theConnection webData NSMutableData data retain self displayConnectingView else NSLog @ theConnection is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which you can make anything you want. Just keep..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added in iOS 5.0 doesn't just work for fast upload of camera frames.. camera frames to OpenGL ES but it can be used in reverse to get quick access to the raw pixels within an OpenGL ES texture. You can take advantage of this to grab the pixels for an OpenGL ES rendering by using a framebuffer object FBO with an attached texture with that texture having been supplied from the texture cache...
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview NSASCIIStringEncoding error &error EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString method as such NSString html yourWebView stringByEvaluatingJavaScriptFromString.. stringByEvaluatingJavascriptFromString method as such NSString html yourWebView stringByEvaluatingJavaScriptFromString @ document.body.innerHTML This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give it to you as an NSString of HTML. Another way is to do your..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap of generating video. It also uses some IOKit functions and IOMobileFramebuffer functions. It looks like the app is grabbing an IOSurface from the IOMobileFramebufferGetLayerDefaultSurface function. Not quite sure what it uses IOKit for though... sneaky techniques to avoid detection by static analyzers it doesn't link against the private frameworks but instead grabs the symbols dynamically. It uses a combination of IOSurface and IOMobileFramebuffer to record the video or UIGetScreenImage.. better get it now. UPDATE It appears that this app was indeed pulled from the AppStore. If you were lucky enough to grab a copy before it was pulled that's great. I know that I'm glad I got it. Apple probably justified its decision by stating..
How to use the first character as a section name http://stackoverflow.com/questions/1741093/how-to-use-the-first-character-as-a-section-name like below where I use name.firstLetter as the sectionNameKeyPath unfortunately that doesn't work . Do I have to grab the first letter of each result manually and create my sections like that Is it better to put in a new property to just..
Programmatically turn on bluetooth in the iphone sdk? http://stackoverflow.com/questions/1743610/programmatically-turn-on-bluetooth-in-the-iphone-sdk System Library PrivateFrameworks BluetoothManager.framework If the header file is not there you'll need to grab a .h file that was generated from the library and include it in your project. I googled to find it Here is one here http..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view you would need to adjust the layer's position to account for the new anchorPoint. One way I've done this is to grab the layer's bounds multiply the bounds' width and height by the old and new anchorPoint's normalized values take the difference..
Annotate PDF within iPhone SDK http://stackoverflow.com/questions/2313008/annotate-pdf-within-iphone-sdk 0 paperSize.size.height CGContextScaleCTM currentContext 1.0 1.0 CGPDFPageRef page CGPDFDocumentGetPage document 1 grab page 1 of the PDF CGContextDrawPDFPage currentContext page draw page 1 into graphics context flip context so annotations..
UIImage resize (Scale proportion) [duplicate] http://stackoverflow.com/questions/2645768/uiimage-resize-scale-proportion UIImage which is scaled. Set the scale and orientation params to achieve what you want. The first line of code just grabs the image. grab the original image UIImage originalImage UIImage imageNamed @ myImage.png scaling set to 2.0 makes the.. is scaled. Set the scale and orientation params to achieve what you want. The first line of code just grabs the image. grab the original image UIImage originalImage UIImage imageNamed @ myImage.png scaling set to 2.0 makes the image 1 2 the size...
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone to remove HTML tags from an NSString in Cocoa. One way is to render the string into an NSAttributedString and then grab the rendered text. Another way is to use NSXMLDocument's objectByApplyingXSLTString method to apply an XSLT transform that..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting work to make it fast on old devices with long texts. UITextInput Protocol Allows interaction with the keyboard and to grab text input . Also features basic text replacements. Problem text input only badly documented. No text selection etc see..
Test app on iPhone without paying $99 to Apple [closed] http://stackoverflow.com/questions/4024704/test-app-on-iphone-without-paying-99-to-apple question First you need to install SSH to your device to be able to copy files via scp. Build your application and grab the binary from your build directory. Copy it to the device's Applications folder using scp . Change the permissions to..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield asks the delegate if the specified text should be changed. The text field has not changed at this point so we grab it's current length and the string length we're inserting minus the range length. If this value is too long more than 25..
Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time? http://stackoverflow.com/questions/4944083/can-use-avcapturevideodataoutput-and-avcapturemoviefileoutput-at-the-same-time use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time I want to record video and grab frames at the same time with my code. I am using AVCaptureVideoDataOutput for grab frames and AVCaptureMovieFileOutput for.. time I want to record video and grab frames at the same time with my code. I am using AVCaptureVideoDataOutput for grab frames and AVCaptureMovieFileOutput for video recording. But can't work and get the error code 12780 while working at the.. share improve this question I can't answer the specific question put but I've been successfully recording video and grabbing frames at the same time using AVCaptureSession and AVCaptureVideoDataOutput to route frames into my own code AVAssetWriter..
How to apply “filters” to AVCaptureVideoPreviewLayer http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer aside from adjusting its opacity when overlaid with another view or layer. I have a sample application here where I grab frames from the camera and apply OpenGL ES 2.0 shaders to process the video in realtime for display. In this application..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera or library scale it down to a specified height using a function equivalent to the Aspect..
Has anyone implemented the PayPal API through a native iPhone app? http://stackoverflow.com/questions/779423/has-anyone-implemented-the-paypal-api-through-a-native-iphone-app data retain self displayConnectingView else NSLog @ theConnection is NULL After this you need to parse the response grab the session key and create a UIWebView to take them to the mobile paypal site. Paypal lets you specify a return URL which..
How to capture current view screenshot and reuse in code? (iPhone SDK) http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk of the app. What I would prefer to do is this When shouldAutorotateToInterfaceOrientation is called I would like to grab an opaque view snapshot a screenshot if you will of the user view before rotation. Then after the rotation is completed..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added in iOS 5.0 doesn't.. used in reverse to get quick access to the raw pixels within an OpenGL ES texture. You can take advantage of this to grab the pixels for an OpenGL ES rendering by using a framebuffer object FBO with an attached texture with that texture having..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString method as such NSString.. method as such NSString html yourWebView stringByEvaluatingJavaScriptFromString @ document.body.innerHTML This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give it to you as an NSString..
Creating 16:9 Video Rather than 4:3 - AVAsset Writer - iPhone http://stackoverflow.com/questions/10358086/creating-169-video-rather-than-43-avasset-writer-iphone CFRelease buffer writerInput markAsFinished videoWriter finishWriting videoWriter release NSLog @ outside for loop Grab the URL for the video so we can use it later. NSURL url self applicationDocumentsDirectory kIntroVideoFileName assetURLArray..
Open Twitter Setting from ACAccountStore (iOS 5.1 TWITTER) http://stackoverflow.com/questions/11325266/open-twitter-setting-from-acaccountstore-ios-5-1-twitter which account they want to tweet from if there is more than one Twitter account present. if accountsArray count 0 Grab the initial Twitter account to tweet from. ACAccount twitterAccount accountsArray objectAtIndex 0 Create a request which..
iPhone- Twitter API GET Users Followers/Following http://stackoverflow.com/questions/11600621/iphone-twitter-api-get-users-followers-following twitterFriends NSJSONSerialization JSONObjectWithData responseData options NSJSONWritingPrettyPrinted error jsonError Grab the Ids that Twitter returned and add them to the dictionary we created earlier accountDictionary setObject twitterFriends..
iOS Using NSDictionary to load data into section and rows http://stackoverflow.com/questions/11673963/ios-using-nsdictionary-to-load-data-into-section-and-rows @ date Store in the dictionary using the data as the key NSMutableArray section dataSource objectForKey date Grab the section that corresponds to the date if section If there is no section then create one and add it to the dataSource..
How does undo/redo basically work on iPhone OS? http://stackoverflow.com/questions/2449268/how-does-undo-redo-basically-work-on-iphone-os keyPath ofObject id object change NSDictionary change context void context NSUndoManager undo self undoManager Grab the old value of the key id oldValue change objectForKey NSKeyValueChangeOldKey Add edit item to the undo stack undo prepareWithInvocationTarget..
Opening a PDF in Safari on the iPhone http://stackoverflow.com/questions/2651190/opening-a-pdf-in-safari-on-the-iphone be all you need but you will probably want to create a function to handle this step handle memory check for errors etc Grab the file from the URL NSData pdfData NSData alloc initWithContentsOfURL NSURL URLWithString @ http www.website.com doc1.pdf..
iPhone, CGPDFDocument - PDF links http://stackoverflow.com/questions/3257057/iphone-cgpdfdocument-pdf-links before we start drawing. CGContextTranslateCTM context 0.0 self.bounds.size.height CGContextScaleCTM context 1.0 1.0 Grab the first PDF page CGPDFPageRef page CGPDFDocumentGetPage pdf pageNumber We're about to modify the context CTM to draw the..
Adjusting the volume of a playing AVPlayer http://stackoverflow.com/questions/3268949/adjusting-the-volume-of-a-playing-avplayer on currently playing AVPlayer items is to follow this process Offload the currently playing AVPlayerItem's asset Grab the current playback time for that AVPlayerItem Load the asset into a new AVPlayerItem Replace the current AVPlayerItem..
Load YouTube GData feed for a single video by id http://stackoverflow.com/questions/4112414/load-youtube-gdata-feed-for-a-single-video-by-id I want the feeds for in advance . How do i load a specific video's feed I'm then going to follow google's instruction Grab the video url from the media tag in the API response with the application x shockwave flash type. and then embed it like..
Accessing UITextField in a custom UITableViewCell http://stackoverflow.com/questions/4375442/accessing-uitextfield-in-a-custom-uitableviewcell cell. UIViewController temporaryController UIViewController alloc initWithNibName @ TextfieldTableCell bundle nil Grab a pointer to the custom cell. cell TextfieldTableCell temporaryController.view Release the temporary UIViewController. temporaryController..
Not all the comments visible when pulling a post using Facebook graph API iphone http://stackoverflow.com/questions/4393137/not-all-the-comments-visible-when-pulling-a-post-using-facebook-graph-api-iphone iphone facebook graph api commenting facebook iphone sdk share improve this question Just wanted to add this works Grab the feed for all the basic wall post information then grab the comments for each post individually. Requires more complex..
How to generate a thumbnails form a PDF document with iPhone SDK? http://stackoverflow.com/questions/4504834/how-to-generate-a-thumbnails-form-a-pdf-document-with-iphone-sdk CGContextScaleCTM context 1.0 1.0 CGContextSetGrayFillColor context 1.0 1.0 CGContextFillRect context aRect Grab the first PDF page page CGPDFDocumentGetPage pdf i 1 CGAffineTransform pdfTransform CGPDFPageGetDrawingTransform page kCGPDFMediaBox..
Changing the size of the UISearchBar TextField? http://stackoverflow.com/questions/556814/changing-the-size-of-the-uisearchbar-textfield Search Bar as the header of your Table View you can put a View instead. Then put a Navigation Bar inside this View. Grab the left resizing handle of the Navigation Bar and pull it to the right until the N B is only 25 pixels wide. Clear out..
TTT attributed Label Multi- colored Font help http://stackoverflow.com/questions/6081005/ttt-attributed-label-multi-colored-font-help XIB. NSArray topLevelObjects NSBundle mainBundle loadNibNamed @ SpotlightLikesTableViewCell owner self options nil Grab a pointer to the first object presumably the custom cell as that's all the XIB should contain . UITableViewCell cell topLevelObjects..
Trying to “follow” someone on Twitter using new iOS 5 API, getting 406 return error. Why? http://stackoverflow.com/questions/8085785/trying-to-follow-someone-on-twitter-using-new-ios-5-api-getting-406-return-er which account they want to tweet from if there is more than one Twitter account present. if accountsArray count 0 Grab the initial Twitter account to tweet from. ACAccount twitterAccount accountsArray objectAtIndex 0 NSMutableDictionary tempDict..
Where are iOS 5 simulator screenshots stored? http://stackoverflow.com/questions/8286120/where-are-ios-5-simulator-screenshots-stored command shift 4 these also end up on the Desktop as something like Screen Shot 2012 04 22 at _ AM.png If you use the Grab application found in Application Utilities you can save those files anywhere you decide. If you have saved a screenshot..
http://stackoverflow.com/questions/8652472/pdf-to-image-creation-in-ios CGContextScaleCTM context 1.0 1.0 CGContextSetGrayFillColor context 1.0 1.0 CGContextFillRect context aRect Grab the PDF page page CGPDFDocumentGetPage pdf i 1 CGAffineTransform pdfTransform CGPDFPageGetDrawingTransform page kCGPDFMediaBox..
http://stackoverflow.com/questions/9335475/iphone-read-write-plist-file same path on your device Apps on a device are sandboxed and can only read write files in their documents directory. Grab that file path like this and append your plist name. This approach will also work on the simulator. Try this NSArray paths..
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