2014/10/15 下午 10:12:15

iphone Programming Glossary: objectatindex

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract.. 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.minutes fract fract release.. 1 gpsLoc.minutes fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 2 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.seconds fract fract release..

Add UIPickerView & a Button in Action sheet - How?

http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how

tableViewController SimpleTableViewController navigationController viewControllers objectAtIndex 0 tableViewController.tableData self.statesArray tableViewController.navigationItem.title @ States tableViewController.delegate..

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

something like this cell.text @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but setting numberOfLines on that and lineBreakMode doesn't work I still..

How can I get a writable path on the iPhone?

http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone

NSDocumentDirectory NSUserDomainMask YES NSString documentsDirectory paths objectAtIndex 0 Secondly and very similar to the Documents directory there is the Library folder where you store configuration.. NSLibraryDirectory NSUserDomainMask YES NSString libraryDirectory paths objectAtIndex 0 Note that even though the user cannot see files in iTunes using a device older than 3.2 the iPad the.. NSCachesDirectory NSUserDomainMask YES NSString cachePath paths objectAtIndex 0 BOOL isDir NO NSError error if NSFileManager defaultManager fileExistsAtPath cachePath isDirectory..

How to call Objective-C from Javascript?

http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript

components requestString componentsSeparatedByString @ if components count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog.. count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This.. @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This is the code to open the Store NSLog components objectAtIndex..

Detecting which UIButton was pressed in a UITableView

http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview

addSubview button button release UIButton button UIButton cell.contentView.subviews objectAtIndex 0 button setTag indexPath.row button setTitle @ Edit forState UIControlStateNormal return cell void..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

transforms to that. You should also be able to do the following UIView myView self subviews objectAtIndex 0 CALayer layer myView.layer CATransform3D rotationAndPerspectiveTransform CATransform3DIdentity rotationAndPerspectiveTransform.m34..

display image from URL retrieved from ALAsset in iPhone

http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone

reuseIdentifier CellIdentifier autorelease here 'asset' represents the ALAsset object asset assets objectAtIndex indexPath.row i am accessing the thumbnail here cell.imageView setImage UIImage imageWithCGImage asset..

Getting current device language in iOS?

http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios

retrieve the currently selected language you can do NSString language NSLocale preferredLanguages objectAtIndex 0 This will return a two letter code for the currently selected language. en for English es for Spanish..

parsing HTML on the iPhone [closed]

http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone

searchWithXPathQuery @ table 3 tr 2 td Access the first cell TFHppleElement element elements objectAtIndex 0 Get the text within the cell tag NSString content element content xpathParser release data release..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

fetchController.sections if sections.count 0 id NSFetchedResultsSectionInfo sectionInfo sections objectAtIndex section numberOfRows sectionInfo numberOfObjects return numberOfRows Delegate methods for the search..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex 0 NSArray dirContents NSFileManager defaultManager directoryContentsAtPath documentsDirectoryPath for.. videoWriterInput sourcePixelBufferAttributes nil AVAssetTrack audioTrack asset.tracks objectAtIndex 0 AVAssetReaderOutput readerOutput AVAssetReaderTrackOutput assetReaderTrackOutputWithTrack audioTrack.. to CGImage. int frameCount 0 for int i 0 i 20 i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex i CGImage andSize size BOOL append_ok NO int j 0 while append_ok j 30 if adaptor.assetWriterInput.readyForMoreMediaData..

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

array void populateGPS EXFGPSLoc gpsLoc NSArray locArray long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray.. fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.minutes fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex..

Add UIPickerView & a Button in Action sheet - How?

http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how

@ SimpleTableVC SimpleTableViewController tableViewController SimpleTableViewController navigationController viewControllers objectAtIndex 0 tableViewController.tableData self.statesArray tableViewController.navigationItem.title @ States tableViewController.delegate self self presentViewController..

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

so it doesn't create the data view until necessary so if I do something like this cell.text @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but setting numberOfLines on that and lineBreakMode doesn't work I still get single line text. There is plenty of height in the UILabel..

How can I get a writable path on the iPhone?

http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone

the user through iTunes as of 3.2 NSArray paths NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES NSString documentsDirectory paths objectAtIndex 0 Secondly and very similar to the Documents directory there is the Library folder where you store configuration files and writable databases that you also want.. be able to mess with through iTunes NSArray paths NSSearchPathForDirectoriesInDomains NSLibraryDirectory NSUserDomainMask YES NSString libraryDirectory paths objectAtIndex 0 Note that even though the user cannot see files in iTunes using a device older than 3.2 the iPad the NSLibraryDirectory constant has been available since iPhoneOS.. not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains NSCachesDirectory NSUserDomainMask YES NSString cachePath paths objectAtIndex 0 BOOL isDir NO NSError error if NSFileManager defaultManager fileExistsAtPath cachePath isDirectory isDir isDir NO NSFileManager defaultManager createDirectoryAtPath..

How to call Objective-C from Javascript?

http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript

NSString requestString request URL absoluteString NSArray components requestString componentsSeparatedByString @ if components count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront.. requestString componentsSeparatedByString @ if components count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This is the code to open the Store NSLog components objectAtIndex.. count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This is the code to open the Store NSLog components objectAtIndex 3 param2 Call your method in Objective C method using the above.....

Detecting which UIButton was pressed in a UITableView

http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview

forControlEvents UIControlEventTouchUpInside cell.contentView addSubview button button release UIButton button UIButton cell.contentView.subviews objectAtIndex 0 button setTag indexPath.row button setTitle @ Edit forState UIControlStateNormal return cell void buttonPressedAction id sender UIButton button UIButton sender..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

fraction for your initial transform then apply your layer rotation transforms to that. You should also be able to do the following UIView myView self subviews objectAtIndex 0 CALayer layer myView.layer CATransform3D rotationAndPerspectiveTransform CATransform3DIdentity rotationAndPerspectiveTransform.m34 1.0 500 rotationAndPerspectiveTransform..

display image from URL retrieved from ALAsset in iPhone

http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone

alloc initWithStyle UITableViewCellStyleDefault reuseIdentifier CellIdentifier autorelease here 'asset' represents the ALAsset object asset assets objectAtIndex indexPath.row i am accessing the thumbnail here cell.imageView setImage UIImage imageWithCGImage asset thumbnail cell.textLabel setText NSString stringWithFormat..

Getting current device language in iOS?

http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios

my region will still be English United States . In order to retrieve the currently selected language you can do NSString language NSLocale preferredLanguages objectAtIndex 0 This will return a two letter code for the currently selected language. en for English es for Spanish de for German etc. For more examples please see this Wikipedia..

parsing HTML on the iPhone [closed]

http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone

of the 2nd row of the 3rd table NSArray elements xpathParser searchWithXPathQuery @ table 3 tr 2 td Access the first cell TFHppleElement element elements objectAtIndex 0 Get the text within the cell tag NSString content element content xpathParser release data release Known issues As hpple is a wrapper over XPathQuery which is..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

tableView NSArray sections fetchController.sections if sections.count 0 id NSFetchedResultsSectionInfo sectionInfo sections objectAtIndex section numberOfRows sectionInfo numberOfObjects return numberOfRows Delegate methods for the search bar #pragma mark #pragma mark Content Filtering void filterContentForSearchText..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex 0 NSArray dirContents NSFileManager defaultManager directoryContentsAtPath documentsDirectoryPath for NSString tString in dirContents if tString isEqualToString.. assetWriterInputPixelBufferAdaptorWithAssetWriterInput videoWriterInput sourcePixelBufferAttributes nil AVAssetTrack audioTrack asset.tracks objectAtIndex 0 AVAssetReaderOutput readerOutput AVAssetReaderTrackOutput assetReaderTrackOutputWithTrack audioTrack outputSettings nil audioReader addOutput readerOutput .. Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i 20 i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex i CGImage andSize size BOOL append_ok NO int j 0 while append_ok j 30 if adaptor.assetWriterInput.readyForMoreMediaData printf appending d attemp d n frameCount..

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

NSArray locArray long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils.. numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.minutes fract fract release EXFUtils convertRationalToFraction.. numDenumArray 0 numDenumArray 1 gpsLoc.minutes fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 2 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.seconds fract fract release share improve this..

Add UIPickerView & a Button in Action sheet - How?

http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how

SimpleTableViewController tableViewController SimpleTableViewController navigationController viewControllers objectAtIndex 0 tableViewController.tableData self.statesArray tableViewController.navigationItem.title @ States tableViewController.delegate..

How can I get a writable path on the iPhone?

http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone

paths NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES NSString documentsDirectory paths objectAtIndex 0 Secondly and very similar to the Documents directory there is the Library folder where you store configuration files and.. paths NSSearchPathForDirectoriesInDomains NSLibraryDirectory NSUserDomainMask YES NSString libraryDirectory paths objectAtIndex 0 Note that even though the user cannot see files in iTunes using a device older than 3.2 the iPad the NSLibraryDirectory.. NSArray paths NSSearchPathForDirectoriesInDomains NSCachesDirectory NSUserDomainMask YES NSString cachePath paths objectAtIndex 0 BOOL isDir NO NSError error if NSFileManager defaultManager fileExistsAtPath cachePath isDirectory isDir isDir NO NSFileManager..

How to call Objective-C from Javascript?

http://stackoverflow.com/questions/1662473/how-to-call-objective-c-from-javascript

NSArray components requestString componentsSeparatedByString @ if components count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex.. @ if components count 1 NSString components objectAtIndex 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This is the code to open.. 0 isEqualToString @ myapp if NSString components objectAtIndex 1 isEqualToString @ myfunction NSLog components objectAtIndex 2 Airship shared displayStoreFront This is the code to open the Store NSLog components objectAtIndex 3 param2 Call your..

Detecting which UIButton was pressed in a UITableView

http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview

cell.contentView addSubview button button release UIButton button UIButton cell.contentView.subviews objectAtIndex 0 button setTag indexPath.row button setTitle @ Edit forState UIControlStateNormal return cell void buttonPressedAction..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

apply your layer rotation transforms to that. You should also be able to do the following UIView myView self subviews objectAtIndex 0 CALayer layer myView.layer CATransform3D rotationAndPerspectiveTransform CATransform3DIdentity rotationAndPerspectiveTransform.m34..

display image from URL retrieved from ALAsset in iPhone

http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone

Getting current device language in iOS?

http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios

States . In order to retrieve the currently selected language you can do NSString language NSLocale preferredLanguages objectAtIndex 0 This will return a two letter code for the currently selected language. en for English es for Spanish de for German etc...

parsing HTML on the iPhone [closed]

http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone

elements xpathParser searchWithXPathQuery @ table 3 tr 2 td Access the first cell TFHppleElement element elements objectAtIndex 0 Get the text within the cell tag NSString content element content xpathParser release data release Known issues As hpple..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

NSArray sections fetchController.sections if sections.count 0 id NSFetchedResultsSectionInfo sectionInfo sections objectAtIndex section numberOfRows sectionInfo numberOfObjects return numberOfRows Delegate methods for the search bar #pragma mark #pragma..