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2014/10/15 ¤U¤È 10:13:39
iphone Programming Glossary: scenarioiOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior pixels of an image specifically the alpha channel of a PNG so any JPEG conversion gets thrown out of the window for my scenario . A few days ago I noticed that even though the image is displayed properly in my app thanks to my workaround code when.. everything seems to work perfectly just like photos taken from the internet EDIT Here are what some of the images and scenarios actually look like. Based off the comments so far it looks like this strange behavior is more than just an iPhone behavior..
Selective Autorotation within a UINavigationController and UITabBarController http://stackoverflow.com/questions/1196758/selective-autorotation-within-a-uinavigationcontroller-and-uitabbarcontroller Autorotation within a UINavigationController and UITabBarController Greetings Here's the scenario. Starting with a navigation controller and no tab bar is present it is hidden from a previous view controller push I init..
What happens if I don't retain IBOutlet? http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet nil again to nil is not. My description may have been overly verbose but I didn't want to leave out any details in the scenario. Simply following the guidelines will help avoid problems as you encounter more complex situations. It is additionally worth..
http://stackoverflow.com/questions/230984/compression-api-on-the-iphone secure. Some respondents have pointed out that the server can compress its output and the iPhone can consume that. The scenario we have is exactly the reverse. We'll be POSTing compressed content to the web service. We're not concerned with compression..
Installing a configuration profile on iPhone - programmatically http://stackoverflow.com/questions/2338035/installing-a-configuration-profile-on-iphone-programmatically mailto URLs the common technique is to translate them into openURL calls but that doesn't quite work for my case see scenario A. For itms URLs however UIWebView works as expected... EDIT2 tried feeding a data URL to Safari via openURL does not work..
Multiple annotation callouts displaying in MKMapView http://stackoverflow.com/questions/2417952/multiple-annotation-callouts-displaying-in-mkmapview
How can i change the color of pagination dots of UIPageControl? http://stackoverflow.com/questions/2942636/how-can-i-change-the-color-of-pagination-dots-of-uipagecontrol or image of UIPageControl pagination dots. How can I change it Is it possible to customize UIpageControl on above scenario iphone ios uipagecontrol share improve this question I ran into this problem today and decided to write my own simple..
Detecting programmatically whether an app is installed on iPhone http://stackoverflow.com/questions/3808691/detecting-programmatically-whether-an-app-is-installed-on-iphone them to the app your list of developer apps Take them to a website instead All code samples available for each scenario Find out if the application has been installed on the iOS device BOOL myAppIsInstalled return UIApplication sharedApplication..
Grand Central Dispatch (GCD) with CoreData http://stackoverflow.com/questions/4264540/grand-central-dispatch-gcd-with-coredata in my application to do some heavy lifting. The application is using Core Data for data storage purposes. Here's my scenario along with relevant question dispatch_queue_t main_queue dispatch_get_main_queue dispatch_queue_t request_queue dispatch_queue_create..
Repeating NSTimer, weak reference, owning reference or iVar? http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar nstimer for later access as the discussion has moved forward making a new question clearer than yet another EDIT The scenario is an object creates a repeating NSTimer lets say in viewDidLoad once created the NSTimer needs to stay around so it can..
Programmatically fire button click event? http://stackoverflow.com/questions/5625651/programmatically-fire-button-click-event a way to programmatically fire a button click event I have a button placed there in an UIView and in a particular scenario i want to click the button via code not manually as a user. Is it possible in iOS development Please provide your suggestions..
Objective-C get a class property from string http://stackoverflow.com/questions/6179427/objective-c-get-a-class-property-from-string property from string I've heard a number of similar questions for other languages but I'm looking for a specific scenario. My app has a Core Data model called Record which has a number of columns properties like date column1 and column2 . To.. of columns properties like date column1 and column2 . To keep the programming clean so I can adapt my app to multiple scenarios input fields are mapped to a Core Data property inside a plist so for example I have a string variable called dataToGet..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature in onsies twosies but I'm dealing with about ten different apps and the first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything without making the.. two lines the alloc init line and the added import. Added This is what I've come up with so far seems to work in all scenarios @implementation BNSDateFormatter id init static NSLocale en_US_POSIX nil NSDateFormatter me super init if en_US_POSIX nil..
Moving a Stick figure, anchorpoints, animation, or something else…? http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else result in undesirable behavior when rotating or scaling nodes. Let's assume an odd worst case but entirely possible scenario where the anchorPoint is no longer inside the texture ._______. ° ° That means the position of that sprite is.. When would you want to modify the anchor point I've done so only in the following situations and avoid it in all other scenarios to align non animated textures with the screen window borders or similar to right left top bottom align a label button..
iOS 5 Attach photo to Twitter with Twitter API http://stackoverflow.com/questions/8129079/ios-5-attach-photo-to-twitter-with-twitter-api @selector displayText withObject output waitUntilDone NO I found using TWRequest to be best solution for my scenario as I didn't want the user to be able to edit the post before tweeting which was the issue with using TWTweetComposeViewController..
Storyboard - refer to ViewController in AppDelegate http://stackoverflow.com/questions/8186375/storyboard-refer-to-viewcontroller-in-appdelegate refer to ViewController in AppDelegate consider the following scenario I have a storyboard based app. I add a ViewController object to the storyboard add the class files for this ViewController..
http://stackoverflow.com/questions/830218/nsoperation-on-the-iphone on the iPhone I've been looking for some concrete scenarios for when NSOperation on the iPhone is an ideal tool to use in an application. To my understanding this is a wrapper around.. if I'm missing out on a great tool instead of using NSThread . The ideal solution here would be to describe a use case scenario for NSOperation and how you would use it to solve your problem s . iphone objective c cocoa touch multithreading nsoperation..
App crash only on iPhone Device and not in Simulator http://stackoverflow.com/questions/8427516/app-crash-only-on-iphone-device-and-not-in-simulator Thread 1 program recieved signal EXC_BAC_ACCESS Can anybody tell why this happens and what's the solution for this scenario iphone objective c ios xcode share improve this question All objects involved in array creation using initWithObjects..
trying to update a UILabel on a parent view controller when dismissing the modal view http://stackoverflow.com/questions/8917330/trying-to-update-a-uilabel-on-a-parent-view-controller-when-dismissing-the-modal postNotificationName @ DoUpdateLabel object nil userInfo nil EDIT I have to mention 2 things here In this scenario it is always preferable to have Shared Data Modal where you save your data in so you can access this data in any view in..
Share data between two or more iPhone applications http://stackoverflow.com/questions/9425706/share-data-between-two-or-more-iphone-applications get data from the other application in order to remind me about the event. This is just a simple example not a real scenario. Thanks in advance. iphone ios xcode ipad ios5 sdk share improve this question Historically the iPhone has tried to..
Objective-C, cancel a dispatch queue using UI event http://stackoverflow.com/questions/10066897/objective-c-cancel-a-dispatch-queue-using-ui-event C cancel a dispatch queue using UI event Scenario User taps a button asking for some kind of modification on address book. A method is called to start this modification and..
How can I check if a user tapped near a CGPath? http://stackoverflow.com/questions/1143704/how-can-i-check-if-a-user-tapped-near-a-cgpath can I check if a user tapped near a CGPath Scenario I have a set of CGPath s. They are mostly just lines i.e. not closed shapes . They are drawn on the screen in a UIView 's..
Use autorelease before adding objects to a collection? http://stackoverflow.com/questions/1147785/use-autorelease-before-adding-objects-to-a-collection I release it explicitly after adding it. I know NSMutableArray willl retain the object This illustrates my question Scenario A autorelease void add array is an instance of NSMutableArray MyClass obj MyClass alloc init autorelease array addObject.. void add array is an instance of NSMutableArray MyClass obj MyClass alloc init autorelease array addObject obj Scenario B explicit release void add array is an instance of NSMutableArray MyClass obj MyClass alloc init array addObject obj obj..
Programmatically show soft keyboard on iPhone in a PhoneGap application? http://stackoverflow.com/questions/12140484/programmatically-show-soft-keyboard-on-iphone-in-a-phonegap-application not come across a working solution for PhoneGap Cordova applications that would show soft keyboard programmatically. Scenario We have a PhoneGap application a website created in jQuery Mobile that at one point shows a dialog to the user. This dialog..
phonegap offline storage and compression http://stackoverflow.com/questions/13084778/phonegap-offline-storage-and-compression offline storage and compression Phonegap newbie here. Scenario about my application it will need to be shipped containing some xml data 1000 xml blobs total 15MB uncompressed the user..
Why isn't the UIPickerView widthForComponent delegate method called everytime the view appears? http://stackoverflow.com/questions/1622839/why-isnt-the-uipickerview-widthforcomponent-delegate-method-called-everytime-th widths of 100 55 100 Brassiere 3 components with widths of 55 55 55 Other 4 components with widths of 100 100 55 50 Scenario #1 Everything is as it should be 1.1 You select the Belt clothing item and the UIPickerView is drawn with 3 components with.. is drawn with 3 components with the appropriate Brassiere data in each component. The component widths are 55 55 55. Scenario #2 Component widths not redrawn 1.1 You select the Belt clothing item and the UIPickerView is drawn with 3 components with..
http://stackoverflow.com/questions/4199808/is-there-a-negative-zero negate whatever is put to the screen already by doing a simple 1 . It works fine except when the previous input is 0 . Scenario With empty screen or 0 I tap to negate. Then when I tap for example 9 I want it to read or rather be 9 . Not 9 as it is..
UITableViewCell, UITextView with dynamic height http://stackoverflow.com/questions/4890054/uitableviewcell-uitextview-with-dynamic-height UITableView tableView heightForRowAtIndexPath NSIndexPath indexPath but thats not really what I am looking for. Scenario 1 First Cell Second Cell with some text. Third Cell Scenario 2 First Cell Second Cell with some more text and.. but thats not really what I am looking for. Scenario 1 First Cell Second Cell with some text. Third Cell Scenario 2 First Cell Second Cell with some more text and an unknown cell height. Third Cell iphone ios uitableviewcell uitextview..
how can i connect to a password proctected wifi named as “A” http://stackoverflow.com/questions/8213862/how-can-i-connect-to-a-password-proctected-wifi-named-as-a to a password proctected wifi named as &ldquo A&rdquo How can connect to a specific wifi which is password protected Scenario There are four wifi networks but my app needs to connect to specific one whilst providing a password. iphone ios networking..
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