2014/10/15 下午 10:13:05

iphone Programming Glossary: quits

http://stackoverflow.com/questions/10324596/detect-when-home-button-is-pressed-ios

can occur for certain types of temporary interruptions such as an incoming phone call or SMS message or when the user quits the application and it begins the transition to the background state. Use this method to pause ongoing tasks disable timers.. your application supports background execution this method is called instead of applicationWillTerminate when the user quits. void applicationWillTerminate UIApplication application Called when the application is about to terminate. Save data if..

iPhone file extension app association

http://stackoverflow.com/questions/1286615/iphone-file-extension-app-association

20Carlos 20Bulcourf 2C 20Villa 20Ballester 2C 201996 img src cid image1 a Tapping the diagram displayed by this URL quits Mail.app and opens Caissa Chess that then displays the diagram and allows you to solve the puzzle. How does this work I..

iOS 6 - can i return data when i unwind a segue?

http://stackoverflow.com/questions/13038622/ios-6-can-i-return-data-when-i-unwind-a-segue

segue NSLog @ SEGUE unwind This fires correctly and unwinds the segue the message gets logged . When the user quits the quiz I would like to pass some data back and have been struggling with how to achieve this. Can anyone advise iphone..

What's the point of NSAssert, actually?

http://stackoverflow.com/questions/1375786/whats-the-point-of-nsassert-actually

is to make sure a value is what its suppose to be. If assertion fails that means something went wrong and so the app quits. One reason to use assert would be if you have some function that will not behave or will create very bad side effects if.. to make sure that value is what you expect it to be and if its not then something is really wrong and so the app quits. Assert can be very useful for debugging unit testing and also when you provide frameworks to stop the users from doing..

How to quit an iPhone app nicely?

http://stackoverflow.com/questions/1707685/how-to-quit-an-iphone-app-nicely

so the user will only have to start it. If I simply use exit 0 some changes won't get saved as they would if the user quits by pressing the home button. The restart needed for language change. Related code void onChangeLanguage id sender NSArray..

How to open the iPhone calendar from within my app?

http://stackoverflow.com/questions/2889545/how-to-open-the-iphone-calendar-from-within-my-app

to open the iPhone calendar from within my app I want to be able to implement a button in my app that quits my app and takes the user to the iPhone's calendar. I'm not interested in sending the user to a specific event. Just opening..

how to show the same view when the app is reopened

http://stackoverflow.com/questions/3075975/how-to-show-the-same-view-when-the-app-is-reopened

called void applicationWillTerminate UIApplication application This delegate method gets called when the user quits the app. This is the time where you can save the state of your application off to the NSUserDefaults. But be aware that..

iPhone: How do I detect when an app is launched for the first time? [closed]

http://stackoverflow.com/questions/308832/iphone-how-do-i-detect-when-an-app-is-launched-for-the-first-time

share improve this question Pretty much what Marc and Chris said though I prefer to change the value when the app quits in case there're multiple areas of the application that need to know about it. In code applicationDidFinishLaunching NSUserDefaults..

Using the apple FFT and accelerate Framework

http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework

code you probably want to do this once when the app loads and call the complimentary release function once when it quits. DON'T do it lots of times it is expensive. let's say log2n 8 so n 2^8 256 samples or 'harmonics' or 'terms' if we pre calculate..

How to properly release an AVCaptureSession

http://stackoverflow.com/questions/3741121/how-to-properly-release-an-avcapturesession

best solution I've found so far. The basic idea is to use the finalizer of the dispatch queue. When the dispatch queue quits we can be sure that there won't be any more action in the second thread where the sample buffers are processed. static void..

how to quit (exit) an app in iPhone4 sdk

http://stackoverflow.com/questions/3869679/how-to-quit-exit-an-app-in-iphone4-sdk

it to the background. iphone ios4 share improve this question iPhone apps shouldn't have a quit button. The user quits by pressing the main button. From Apple's docs http developer.apple.com library ios documentation UserExperience Conceptual..

Profile bug (Error launching remote program: failed to get the task for process XXX.)

http://stackoverflow.com/questions/4720597/profile-bug-error-launching-remote-program-failed-to-get-the-task-for-process

for process XXX. The program being debugged is not being run. The program being debugged is not being run. The program quits but it seems to have installed on my device as I can then launch it with no problems. In my Project profile I have no code..

Return to app from safari

http://stackoverflow.com/questions/5512718/return-to-app-from-safari

the application and opens the safari browser. There is no problem in that. It works fine. The thing is when the user quits the safari browser I want to redirect the user back to the application not the home screen. Any idea please... iphone cocoa..

iOS: How to store username/password within an app?

http://stackoverflow.com/questions/6972092/ios-how-to-store-username-password-within-an-app

and passwords and since it's stored securely and only accessible to your app there is no need to delete it when app quits if that was your concern . Apple provides sample code that stores reads and deletes keychain items and here is how to use..

applicationWillTerminate when is it called and when not

http://stackoverflow.com/questions/7818045/applicationwillterminate-when-is-it-called-and-when-not

says For applications that support background execution this method is generally not called when the user quits the application because the application simply moves to the background in that case. However this method may be called in..

Application windows are expected to have a root view controller at the end of application launch

http://stackoverflow.com/questions/9844626/application-windows-are-expected-to-have-a-root-view-controller-at-the-end-of-ap

can occur for certain types of temporary interruptions such as an incoming phone call or SMS message or when the user quits the application and it begins the transition to the background state. Use this method to pause ongoing tasks disable timers.. your application supports background execution this method is called instead of applicationWillTerminate when the user quits. void applicationWillEnterForeground UIApplication application Called as part of the transition from the background to the..