2014/10/15 下午 10:10:30
iphone Programming Glossary: interopenURL a local file or force UIDocumentInteractionController to use a specific app http://stackoverflow.com/questions/12539243/openurl-a-local-file-or-force-uidocumentinteractioncontroller-to-use-a-specific app. Currently I am using openURL there is a dedicated url scheme and it works fine if I use a file hosted on the internet but I would like to use a local file so a it works offline b a lot of the time my users are either out of cell zone coverage.. to use a local file so a it works offline b a lot of the time my users are either out of cell zone coverage or roaming internationally What I have tried so far I have not had any luck telling openURL to use a local file I have tried a few approaches.. for subclassing QLPreviewController QLPreviewController remove or add UIBarButtonItems Of course I believe the way inter app sharing works is largely out of your hands. If an app has registered to be able to handle a certain type of file it..
How to achieve concurrent task through NSOperation? [closed] http://stackoverflow.com/questions/12910479/how-to-achieve-concurrent-task-through-nsoperation its task. Operations within the queue but not yet executing are themselves organized according to priority levels and inter operation object dependencies and are executed accordingly . An application may create multiple operation queues and submit..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths drags this object around the oval and it orbits it. iphone ios cocoa touch share improve this question This is an interesting problem. We want to drag an object but constrain it to lie on a CGPath . You said you have 𦡞 simple oval shape but.. . We start by creating a new project using the �Single View Application template with ARC enabled. We add a category @interface UIBezierPath forEachElement void forEachElement void ^ CGPathElement const element block @end The implementation is.. the array of points along the path somewhere. Let's use an NSMutableData NSMutableData pathPointsData_ We'll want a pointer to the array of points typed as a CGPoint pointer CGPoint const pathPoints_ And we need to know how many of those points..
Include a resource directory hierarchy into app bundle http://stackoverflow.com/questions/1401338/include-a-resource-directory-hierarchy-into-app-bundle select Create Folder References for any added folders . This will create a blue folder and the folder will and it's inter hierarchy will appear in the apps resources. This will automatically create an entry in Copy Bundle Resources build phase..
UICollectoinView horizontal scroll with inter item spacing http://stackoverflow.com/questions/14651464/uicollectoinview-horizontal-scroll-with-inter-item-spacing horizontal scroll with inter item spacing I am using a collection view for some of my images. Each image should be displayed at the size of the screen.. is that if I am scrolling the collection view doesn't scroll to the start of the next image but to the start of the interItemSpacing. Let's give me an example Image Cell width 320 CollectionView's interItemSpacing 25 If I scroll one page the.. next image but to the start of the interItemSpacing. Let's give me an example Image Cell width 320 CollectionView's interItemSpacing 25 If I scroll one page the scroll view content offset is at 320 and not at 345 meaning that the second cell..
What tool or technology does Apple use to create its documentation? http://stackoverflow.com/questions/1930755/what-tool-or-technology-does-apple-use-to-create-its-documentation use iphone cocoa cocoa touch documentation apple share improve this question I'm not sure what tools Apple uses internally. Since I've had the exact same need I'll share what I learned and what I ended up doing. Two of my open source projects.. dumped in to a sqlite database and then a script generates the final HTML output. Because everything is parsed first inter header references for classes types etc are no problem. It also allows the Table of Contents to be generated automatically... still very close. Not only is it nearly identical to the HTML documentation a lot of effort went in to a special printer media style sheet so that if you print the documentation from a browser particularly Safari it looks nearly identical to..
Is there a way to instantiate a NSManagedObject without inserting it? http://stackoverflow.com/questions/3868514/is-there-a-way-to-instantiate-a-nsmanagedobject-without-inserting-it there a way to instantiate a NSManagedObject without inserting it I have a user interface to insert a Transaction. once the user clicks on a plus he gets the screen and i want to instantiate my Core Data NSManagedObject..
Alternative to global variables in app delegate http://stackoverflow.com/questions/7635008/alternative-to-global-variables-in-app-delegate the arrow position is updated and used by several classes. in many cases you can reduce the scope. this reduces inter component dependency. However I am insecure whether this is a good or a bad design decision. My thoughts are that since.. you'll need some additions in obvious areas to piece it all together demonstrates how you could update the controller interfaces and there are two free 'elsewhere' methods at the end which further illustrate how to use these @interface MONArrowPosition.. controller interfaces and there are two free 'elsewhere' methods at the end which further illustrate how to use these @interface MONArrowPosition NSObject float arrowPosition @end @implementation MONArrowPosition id initWithPosition float position..
Photos app-like gap between pages in UIScrollView with pagingEnabled http://stackoverflow.com/questions/849383/photos-app-like-gap-between-pages-in-uiscrollview-with-pagingenabled some people to here. I've implemented progammatic zooming and got in photo zooming scrolling working together with inter photo paging. So I know how to play with UIScrollView and am looking for the advanced stuff. Please don't point me at TTScrollView...
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