2014/10/15 下午 10:10:41

iphone Programming Glossary: iterate

http://stackoverflow.com/questions/1259316/iphone-sdk-3-0-video-thumbnail

http://stackoverflow.com/questions/1310723/how-to-remove-subviews-from-scrollview

objective c iphone xcode uiscrollview share improve this question To remove all the subviews from any view you can iterate over the subviews and send each a removeFromSuperview call With some valid UIView view for UIView subview in view subviews..

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

path with many short segments. We'll take the endpoints of each segment as our array of points. That means we need to iterate over the elements of a CGPath . The only way to iterate over the elements of a CGPath is with the CGPathApply function which.. of each segment as our array of points. That means we need to iterate over the elements of a CGPath . The only way to iterate over the elements of a CGPath is with the CGPathApply function which takes a callback. It would be much nicer to iterate.. over the elements of a CGPath is with the CGPathApply function which takes a callback. It would be much nicer to iterate over path elements with a block so let's add a category to UIBezierPath . We start by creating a new project using the 侻ingle..

Core Data: Quickest way to delete all instances of an entity

http://stackoverflow.com/questions/1383598/core-data-quickest-way-to-delete-all-instances-of-an-entity

of a specific entity in the managed object context e.g. all entities of type CAR or do I need to query them call then iterate through the results to delete each then save Ideally I could just say delete all where entity is Blah. thanks Adam iphone..

Core Data and Core Location

http://stackoverflow.com/questions/2176127/core-data-and-core-location

an easier way iphone objective c cocoa touch core data core location share improve this question You will have to iterate through them one by one as far as I know there is no other way to do it. However you can make this more efficient by using..

Creating a custom UIKeyBoard for iPhone

http://stackoverflow.com/questions/2275685/creating-a-custom-uikeyboard-for-iphone

going to be shown void keyboardWillShow NSNotification note Just used to reference windows of our application while we iterate though them UIWindow tempWindow Because we cant get access to the UIKeyboard throught the SDK we will just use UIView. UIKeyboard..

Figure out UIBarButtonItem frame in window?

http://stackoverflow.com/questions/2994354/figure-out-uibarbuttonitem-frame-in-window

Is it possible to configure a UITableView to allow multiple-selection?

http://stackoverflow.com/questions/308081/is-it-possible-to-configure-a-uitableview-to-allow-multiple-selection

it back to UITableViewCellAccessoryNone. To enumerate which cells rows were selected say upon clicking a button simply iterate over the cells of the table looking for UITableViewCellAccessoryCheckmark. Or manage some NSSet or the like in your table..

ABAddressBook ABSource and ABSourceType

http://stackoverflow.com/questions/3108413/abaddressbook-absource-and-absourcetype

GAL you'll need to use the function ABAddressBookCopyArrayOfAllSources to get an array of all sources and then iterate over the array to try and get the correct source for the Exchange GAL. Use the ABRecordCopyValue function to get the kABSourceTypeProperty..

Sort an NSArray in Descending Order

http://stackoverflow.com/questions/3402667/sort-an-nsarray-in-descending-order

more effective way of going about doing this. Thanks EDIT I found this question which provides a simple way to reverse iterate an NSArray for id someObject in myArray reverseObjectEnumerator This works fine I guess it's a nice simple solution but..

How to get screen size using code?

http://stackoverflow.com/questions/3635483/how-to-get-screen-size-using-code

How do I retrieve a page number or page reference for an Outline destination in a PDF on iOS?

http://stackoverflow.com/questions/4643489/how-do-i-retrieve-a-page-number-or-page-reference-for-an-outline-destination-in

then the first item is the page object the outline entry points to a dictionary . To get the page number you have to iterate over all pages in the document and see which one is equal to the dictionary you have CGPDFPageRef s are actually CGPDFDictionaryRef..

select multiple rows from uitableview and delete

http://stackoverflow.com/questions/4954393/select-multiple-rows-from-uitableview-and-delete

section header footer your title bar anywhere hooked up to a selector called deleteRows in your deleteRows method iterate through the selectedRows set building up an array of indexPaths delete these rows from your data model then call with your..

UITextView ruled line background but wrong line height

http://stackoverflow.com/questions/5375350/uitextview-ruled-line-background-but-wrong-line-height

Set the line offset from the baseline. I'm sure there's a concrete way to calculate this. CGFloat baselineOffset 6.0f iterate over numberOfLines and draw each line for int x 0 x numberOfLines x 0.5f offset lines up line with pixel boundary CGContextMoveToPoint..

Need an API that detects when an iPhone is plugged in

http://stackoverflow.com/questions/7301680/need-an-api-that-detects-when-an-iphone-is-plugged-in

io_iterator_t deviceIterator IOServiceGetMatchingServices masterDevicePort matchingDictionary deviceIterator iterate through the iterator... io_service_t ioDevice while ioDevice IOIteratorNext deviceIterator IOUSBDeviceInterface deviceInterface..

With an NSArray of object references, do I explicitly release all objects in the array or just the array itself?

http://stackoverflow.com/questions/885839/with-an-nsarray-of-object-references-do-i-explicitly-release-all-objects-in-the

an NSArray that is filled with objects. In my dealloc method can I simply call release on my NSArray or do I need to iterate the array and release all objects first iphone objective c memory management share improve this question You can call..

Take screenshot of the window

http://stackoverflow.com/questions/10669222/take-screenshot-of-the-window

imageSize NO 0 else UIGraphicsBeginImageContext imageSize CGContextRef context UIGraphicsGetCurrentContext Iterate over every window from back to front for UIWindow window in UIApplication sharedApplication windows if window respondsToSelector..

iOS Keyboard Location and Orientation

http://stackoverflow.com/questions/10955888/ios-keyboard-location-and-orientation

UIPeripheral throught the SDK we will just use UIView. UIPeripheral is a subclass of UIView anyways UIView keyboard Iterate though each view inside of the selected Window for int i 0 i tempWindow.subviews count i Get a reference of the current..

How to NSLog pixel RGB from a UIImage?

http://stackoverflow.com/questions/1352989/how-to-nslog-pixel-rgb-from-a-uiimage

to NSLog pixel RGB from a UIImage I just want to 1 Copy the pixel data. 2 Iterate and Modify each pixel just show me how to NSLog the ARGB values as 255 3 Create a UIImage from the new pixel data I can..

Send and receive NSData via GameKit

http://stackoverflow.com/questions/4837102/send-and-receive-nsdata-via-gamekit

reassemblage of the original file from these packets can be done using much the same approach as splitting it up... Iterate over the packets copying from the individual packet payload NSDatas into a big NSMutableData. In closing I feel compelled..

How to save nsdictionary of a subview to a mainview based off tableviewcell selection

http://stackoverflow.com/questions/7922305/how-to-save-nsdictionary-of-a-subview-to-a-mainview-based-off-tableviewcell-sele

self.letterDictionary NSMutableDictionary dictionary sectionLetterArray NSMutableArray alloc init Index scrolling Iterate over values for future use for NSString value in sortedArray Get the first letter and its associated array from the dictionary...

wait_fences: failed to receive reply: 10004003 (Again)

http://stackoverflow.com/questions/8994998/wait-fences-failed-to-receive-reply-10004003-again

statement. And the warning went away. I put it back and the warning appears. So the code I have is void loadImages Iterate over button definitions and cache the required images for int i 0 i numKeys i if imageCache imageExistsForTag keyTags i..

How will I be able to remove [NSNull Null] objects from NSMutableArray?

http://stackoverflow.com/questions/9192301/how-will-i-be-able-to-remove-nsnull-null-objects-from-nsmutablearray

NSNull null Do I need to iterate Is there any function to remove all null values from NSMutableArray If need to Iterate how will I do that iphone objective c ios4 nsmutablearray share improve this question You can use NSMutableArray 's..

Storyboard static cells: dequeueReusableCellWithIdentifier returns nil

http://stackoverflow.com/questions/9993669/storyboard-static-cells-dequeuereusablecellwithidentifier-returns-nil

cell tableView cellForRowAtIndexPath indexPath have an outlet to the specific cell and customise it directly. Iterate through the cells and check the reuseIdentifier property to get the cell you are interested in. Any of these things can..