2014/10/15 下午 10:08:24

iphone Programming Glossary: enumerate

iPhone iOS how to extract photo metadata and geotagging info from a camera roll image? [duplicate]

http://stackoverflow.com/questions/10116527/iphone-ios-how-to-extract-photo-metadata-and-geotagging-info-from-a-camera-roll

improve this question Yes it is possible. You have to use ALAssetsLibrary to access your camera roll. Then you just enumerate through your photos and asks for location. assetsLibrary ALAssetsLibrary alloc init groups NSMutableArray array assetsLibrary.. your photos and asks for location. assetsLibrary ALAssetsLibrary alloc init groups NSMutableArray array assetsLibrary enumerateGroupsWithTypes ALAssetsGroupSavedPhotos usingBlock ^ ALAssetsGroup group BOOL stop if group nil return groups addObject.. Location Services on. With Location Services disabled you can't access media library for security reasons. This will enumerate your assets groups. Next you pick up a group and enumerate its assets. ALAssetGroup group groups objectAtIndex 0 group enumerateAssetsUsingBlock..

how can i get songs from my iphone's ipod to my application in array in iphone sdk?

http://stackoverflow.com/questions/10221955/how-can-i-get-songs-from-my-iphones-ipod-to-my-application-in-array-in-iphone-s

share improve this question Yes Amergin is write this is the good way to get the list. Also if you want to enumerate the content of an MPMediaItem here's a good method to do that http www.wptechnology.com articles 2013 06 16 how to nslog..

What's a quick way to test to see a file exists?

http://stackoverflow.com/questions/1356701/whats-a-quick-way-to-test-to-see-a-file-exists

to quickly check to see if a file exists in my iPhone app's Documents directory or any path for that matter . I can enumerate through the directory's files or I can try to open a specific file. What's the fastest way I just need to know if the file..

How I can access the call log/history of iPhone

http://stackoverflow.com/questions/1817813/how-i-can-access-the-call-log-history-of-iphone

apple logs the phone call information. It is stored at private var mobile Library CallHistory directory. When I try to enumerate directory paths under private var mobile Library it does not list CallHistory folder but everything else. I guess Apple..

UITableView Core Data reordering

http://stackoverflow.com/questions/2360938/uitableview-core-data-reordering

What I know is that I need to have a displayOrder attribute in my Entity to track the order of items and I need to enumerate through all the objects in the fetched results and set their displayOrder attribute. In the given code in the question I..

What fonts do iPhone applications support? [closed]

http://stackoverflow.com/questions/249251/what-fonts-do-iphone-applications-support

question You should be able to use any of those fonts provided you know the appropriate name. There are calls to enumerate the font families and individual fonts in those families on the phone but a complete listing is available on this site ...

how to enumerate all available Wifi networks at range?

http://stackoverflow.com/questions/3019336/how-to-enumerate-all-available-wifi-networks-at-range

to enumerate all available Wifi networks at range I read on google that this is not possible and that on OS 2.0 it was some undocumented..

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

instances to UITableViewCelAccessoryCheckmark. To deselect the row set 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...

Accessing the iPhone's Call log with the iPhone SDK

http://stackoverflow.com/questions/341622/accessing-the-iphones-call-log-with-the-iphone-sdk

documentation means SQL error or missing database . In an attempt to debug the error I've used NSFileManager to enumerate the folder ' User Library ' . It would appear as if it's returning a filtered set of results that exclude the 'CallHistory'..

Is it possible to get information about all apps installed on iPhone?

http://stackoverflow.com/questions/3878197/is-it-possible-to-get-information-about-all-apps-installed-on-iphone

. Unfortunately Apple apparently does not have any function that checks this for you so I whipped one up. It does not enumerate every single app instead it uses the MobileInstallation cache which is always up to date with SpringBoard and holds the..

Is there any way of asking an iOS view which of its children has first responder status? [duplicate]

http://stackoverflow.com/questions/5029267/is-there-any-way-of-asking-an-ios-view-which-of-its-children-has-first-responder

find the first responder like this self window firstResponder Is there any way of doing it in iOS Or do you need to enumerate the child controls and send an isFirstResponder message to each one iphone ipad ios share improve this question It..

Fetch all events from EventStore EventKit iOS

http://stackoverflow.com/questions/6077613/fetch-all-events-from-eventstore-eventkit-ios

1024 NSDate currentStart NSDate dateWithTimeInterval 0 sinceDate start int seconds_in_year 60 60 24 365 enumerate events by one year segment because iOS do not support predicate longer than 4 year while currentStart compare finish NSOrderedAscending.. predicate eventStore predicateForEventsWithStartDate currentStart endDate currentFinish calendars nil eventStore enumerateEventsMatchingPredicate predicate usingBlock ^ EKEvent event BOOL stop if event eventsDict setObject event forKey..

iPhone ALAssetsLibrary get all images and edit

http://stackoverflow.com/questions/7570903/iphone-alassetslibrary-get-all-images-and-edit

question Take a look at the documentation for ALAssetsLibrary here . To access all photos and videos you need to enumerate all groups albums in the photo library and then enumerate all photos and images in each group. You cannot delete assets.. here . To access all photos and videos you need to enumerate all groups albums in the photo library and then enumerate all photos and images in each group. You cannot delete assets using the API. iOS 5 adds extra functionality it's still under.. forums for iOS5. Your code will need to do something like this ALAssetsLibrary al ALAssetsLibrary alloc init al enumerateGroupsWithTypes ALAssetsGroupAll usingBlock ^ ALAssetsGroup group BOOL stop group enumerateAssetsUsingBlock ^ ALAsset asset..

Iterating through NSDictionary for null value

http://stackoverflow.com/questions/8477789/iterating-through-nsdictionary-for-null-value

you'll be looking for NSNull null or you'll be looking for dictionaries that lack the keys you are looking for.... enumerateKeysAndObjectsUsingBlock is faster than for ... in ... . if you are modifying the contents of the dictionaries you must use.. if aDictionary is missing any keys here if aDictionary objectForKey @ DesiredKey ... fill in key value here ... enumerate key values filtering appropriately recursing as necessary aDictionary enumerateKeysAndObjectsUsingBlock ^ id key id value.. ... fill in key value here ... enumerate key values filtering appropriately recursing as necessary aDictionary enumerateKeysAndObjectsUsingBlock ^ id key id value BOOL stop if value isKindOfClass NSMutableDictionary class self filterMutableDictionary..

Objective-C NSMutableArray mutated while being enumerated?

http://stackoverflow.com/questions/8834031/objective-c-nsmutablearray-mutated-while-being-enumerated

C NSMutableArray mutated while being enumerated I kinda stumbled into the error where you try to remove objects from an NSMutableArray while other objects is being added.. with the array and then fire up the timers. I thought this would've worked since i am not using the timers anymore to enumerate through the array but seemingly it doesn't work. Any suggestions here iphone objective c xcode share improve this question..

Enumerate NSArray using blocks to find and store all indexe's of all NSStrings in array

http://stackoverflow.com/questions/9386094/enumerate-nsarray-using-blocks-to-find-and-store-all-indexes-of-all-nsstrings-i

NSArray using blocks to find and store all indexe's of all NSStrings in array How could I enumerate an NSArray containing objects of multiple types to get all the indexes where an NSString is found then be able to refer..