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2014/10/15 ¤U¤È 10:09:04
iphone Programming Glossary: finishesGet notification when NSOperationQueue finishes all tasks http://stackoverflow.com/questions/1049001/get-notification-when-nsoperationqueue-finishes-all-tasks notification when NSOperationQueue finishes all tasks NSOperationQueue has waitUntilAllOperationsAreFinished but I don't want to wait synchronously for it. I just.. but I don't want to wait synchronously for it. I just want to hide progress indicator in UI when queue finishes. What's the best way to accomplish this I can't send notifications from my NSOperation s because I don't know which one..
How do i put a void(shake gesture) inside a IBAction(button)? http://stackoverflow.com/questions/11264989/how-do-i-put-a-voidshake-gesture-inside-a-ibactionbutton an app and I have bumped into a problem. My app has a play button once the user presses it a animation plays and finishes. I have created the above in code which I will display below but I need some help. When the player press's play it should..
Make phone call on iPhone and take user back to app? (UIWebView does it) http://stackoverflow.com/questions/12065498/make-phone-call-on-iphone-and-take-user-back-to-app-uiwebview-does-it recognises it and if I tap that phone number link to make phone call I will be taken back to the app when the call finishes. My preliminary thinking is that the UIWebView does something internally like a deep link to the Phone app then another..
Asynchronous methods in NSOperation http://stackoverflow.com/questions/1596160/asynchronous-methods-in-nsoperation problem is that all the FBConnect calls are asynchronous. Because of this the main method of the NSOperation quickly finishes and the operation is marked as completed. Is there some way to overcome this It would appear there are no synchronous options..
Keeping a UIButton selected after a touch http://stackoverflow.com/questions/1785008/keeping-a-uibutton-selected-after-a-touch setSelected YES right after the button push with a corresponding call to UIButton setSelected NO after my network op finishes but it doesn't seem to do anything. Same thing if I call setHighlighted . I suppose I could try swapping out the background..
UIWebView didFinishLoading fires multiple times http://stackoverflow.com/questions/1842370/uiwebview-didfinishloading-fires-multiple-times didFinishLoading fires multiple times I have some code that needs to run after the a UIWebView finishes loading a document. For that I've set the UIWebView 's delegate to my controller and implemented the webViewDidFinishLoading.. improve this question It could be enlightening if you haven't gone this far yet to NSLog a trace of load starts and finishes. BOOL webView UIWebView webView shouldStartLoadWithRequest NSURLRequest request navigationType UIWebViewNavigationType navigationType..
What is a “delegate” in Objective C's iPhone development? [duplicate] http://stackoverflow.com/questions/2534094/what-is-a-delegate-in-objective-cs-iphone-development
Subclassing NSOperation to be concurrent and cancellable http://stackoverflow.com/questions/3859631/subclassing-nsoperation-to-be-concurrent-and-cancellable onto the main thread is when you're updating the user interface. If you need to update the UI when your MyOperation finishes that is when you should use performSelectorOnMainThread . I'll show how to do that in my example below. 2. Cancelling an..
Downloading a Large File - iPhone SDK http://stackoverflow.com/questions/4002979/downloading-a-large-file-iphone-sdk NSString aURLString if sharedInstance.isDownloading NSLog @ Error Cannot start new download until current download finishes DELEGATE_CALLBACK dataDownloadFailed @ return sharedInstance.urlString aURLString sharedInstance start void cancel if sharedInstance.isDownloading..
NSURLConnection and grand central dispatch http://stackoverflow.com/questions/5037545/nsurlconnection-and-grand-central-dispatch I'm not certain how to deal with all of the various callbacks that are invoked when the connection work starts up finishes void connection NSURLConnection aConnection didReceiveResponse NSURLResponse response void connection NSURLConnection connection..
How do you explicitly animate a CALayer's backgroundColor? http://stackoverflow.com/questions/518192/how-do-you-explicitly-animate-a-calayers-backgroundcolor only effects the presentation layer of the target layer while the animation is running. After the animation finishes the value set in the model layer returns. So you are going to have to set the layers backgroundColor property to red as..
Xcode 4 Archive Version Unspecified http://stackoverflow.com/questions/5332115/xcode-4-archive-version-unspecified 4 Archive Version Unspecified I'm trying to build a release version of my iPhone app in Xcode 4 and when it finishes and launches Organizer there is no version number it only says unspecified . This is preventing me from using Xcode 4's..
Can you use cancel/isCancelled with GCD/dispatch_async? http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async inbetween pleaseAbandonYourEfforts false that's it void attentionBGIsAllDone you get here when the process finishes whether by completion or if we have asked it to cancel itself. self typically setNeedsDisplay etc YourUIStateMachine nothinghappening..
downloading mp3 file from server in iphone programing [duplicate] http://stackoverflow.com/questions/5602409/downloading-mp3-file-from-server-in-iphone-programing music from a server and I need to put button so that if the user presses it the music will start downloading. After it finishes downloading it saves the file in his iPhone and he can play it from his iPhone. Any code I appreciate your help. iphone..
How to show button 'Done' on number pad on iPhone? http://stackoverflow.com/questions/584538/how-to-show-button-done-on-number-pad-on-iphone to show button 'Done' on number pad on iPhone There is no 'Done' button on number pad by default. When a user finishes entering his numeric information in a textfield how can I make the number pad disappear I may do this by remaining the Text..
UIScrollView pauses NSTimer until scrolling finishes http://stackoverflow.com/questions/605027/uiscrollview-pauses-nstimer-until-scrolling-finishes pauses NSTimer until scrolling finishes While a UIScrollView or a derived class thereof is scrolling it seems like all the NSTimers that are running get paused..
http://stackoverflow.com/questions/6293298/llvm-gcc-4-2-error gcc 4.2 error The Project build runs fine on a real device but a build for the iphone simulator finishes in this error 'llvm gcc 4.2 error'. Any ideas llvm gcc 4.2 error trying to exec ' Developer Platforms iPhoneSimulator.platform..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller navigation controller. However if you use the presentModalViewController animated approach then once the animation finishes the view just covered will actually disappear which makes any transparency of your modal view pointless. You can verify..
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