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2014/10/15 ¤U¤È 10:08:35
iphone Programming Glossary: executeiOS: Keep an app running like a service http://stackoverflow.com/questions/11044095/ios-keep-an-app-running-like-a-service other OSs can. Here's the situation regarding background execution and notifications and timers etc. 1 An app cannot execute in the background unless a it requests extra time from the OS to do so. This is done using beginBackgroundTaskWithExpirationHandler... app has a background mode the modes are voip audio location newstand. Even if it has one of these types an app cannot execute without restrictions. The rest of this discussion assumes the app does not have a background mode. If you try to use one.. in the foreground when a local remote notification fires then the app DOES NOT receive it. There is no code that is executed when the notification fires Only IF the user selects the notification will the app become active and it can execute. Note..
ALAsset Photo Library Image Performance Improvements When Its Loading Slow http://stackoverflow.com/questions/13508535/alasset-photo-library-image-performance-improvements-when-its-loading-slow or should do something else iphone ios objective c blocks share improve this question ALAssetsLibrary block will execute in separate thread . So I suggest to do the UI related stuffs in main thread . To do this either use dispatch_sync dispatch_get_main_queue..
How can my iPhone Objective-C code get notified of Javascript errors in a UIWebView? http://stackoverflow.com/questions/193119/how-can-my-iphone-objective-c-code-get-notified-of-javascript-errors-in-a-uiwebv didEnterCallFrame WebScriptCallFrame frame sourceId int sid line int lineno forWebFrame WebFrame webFrame about to execute some code void webView WebView webView willExecuteStatement WebScriptCallFrame frame sourceId int sid line int lineno forWebFrame..
How do I tell if my iPhone app is running when a Push Notification is received? http://stackoverflow.com/questions/1998196/how-do-i-tell-if-my-iphone-app-is-running-when-a-push-notification-is-received is received I am sending Push Notifications to my iPhone app and I'd like a different set of instructions to execute depending on whether the app is already launched or not. I'm new to iPhone development and while I suspect UIApplication..
Programmatically add custom event in the iPhone Calendar http://stackoverflow.com/questions/246249/programmatically-add-custom-event-in-the-iphone-calendar a bit as of iOS 6.0. 1 You should request access to the user's calendar via requestAccessToEntityType completion and execute the event handling inside of a block. 2 You need to commit your event now or pass the commit param to your save remove call..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer Finding position position.x position.x velocity.x interval 160 position.y position.y velocity.y interval 230 If I execute this I get quite good values I mean I can see the acceleration going into positive or negative values according to the movements..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received the EXC_BAD_ACCESS signal. In this particular case it happened to be an error in the accelerometer code. It would not execute within the simulator which is why it did not throw any errors. However it would execute once deployed to the device. Most.. code. It would not execute within the simulator which is why it did not throw any errors. However it would execute once deployed to the device. Most of the answers to this question deal with the general EXC_BAD_ACCESS error so I will leave..
Application failed codesign verification. What do I do? http://stackoverflow.com/questions/3892148/application-failed-codesign-verification-what-do-i-do its Designated Requirement test requirement failed to satisfy code requirement s codesign_wrapper 0.7.10 failed to execute codesign 1 null iphone xcode ipad ios4 certificate share improve this question You probably need to check what code..
Blocks instead of performSelector:withObject:afterDelay: [duplicate] http://stackoverflow.com/questions/4007023/blocks-instead-of-performselectorwithobjectafterdelay How do you trigger a block after a delay like performSelector withObject afterDelay 10 answers I often want to execute some code a few microseconds in the future. Right now I solve it like this void someMethod some code And this self performSelector..
http://stackoverflow.com/questions/5337337/could-not-load-nib-in-bundle sample module xcodeproj as indicated in the Jainrain's documentation. Now I give build command to this project then execute the . build.py and then finally I execute the titanium run command. It launches the application in simulator with a blank.. the Jainrain's documentation. Now I give build command to this project then execute the . build.py and then finally I execute the titanium run command. It launches the application in simulator with a blank screen and immediately crashes throwing..
What is the difference between -viewWillAppear: and -viewDidAppear:? http://stackoverflow.com/questions/5630649/what-is-the-difference-between-viewwillappear-and-viewdidappear . 3 ViewDidAppear Finally I use the ViewDidAppear to start off new threads to things that would take a long time to execute like for example doing a webservice call to get extra data for the form above.The good thing is that because the view already..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application for background tasks Local notifications Local notifications can be scheduled every n minutes but it's not possible to execute some code to get the current location without the user having to launch the app via the notification . This approach also..
When an iOS application goes to the background, are lengthy tasks paused? http://stackoverflow.com/questions/6650717/when-an-ios-application-goes-to-the-background-are-lengthy-tasks-paused in time. If your task is running on a background thread and it really should be if it's taking long to execute that thread appears to be paused if the application returns from applicationDidEnterBackground according to the discussion..
How to target a specific iPhone version? http://stackoverflow.com/questions/820142/how-to-target-a-specific-iphone-version to target a specific iPhone version I've got some code I want to only execute on the latest iPhone SDK 3.0 however I can't seem to figure out a way to target just 3.0 and ignore 2.2.1 etc. There is..
http://stackoverflow.com/questions/8234186/afnetworking-uploading-a-file operation.completionBlock ^ ... or with setCompletionBlockWithSuccess failure . Keep in mind that completion blocks execute after the request has finished downloading. As for the multipart form block appendWithFileData mimeType name was also removed..
iPhone assembly, compilation error with LDR parameters http://stackoverflow.com/questions/9735169/iphone-assembly-compilation-error-with-ldr-parameters on the assembler or you put a .pool or other similar directive in a branch shadow or some other place that you wont execute through to encourage the assembler to use it to place these kinds of constants. b somewhere .pool I suspect from the error..
http://stackoverflow.com/questions/1065628/uploading-video-with-iphone setValue @ multipart form data boundary AaB03x forHTTPHeaderField @ Content Type uploadRequest setHTTPBody postData Execute the reqest NSURLConnection conn NSURLConnection alloc initWithRequest uploadRequest delegate self if conn Connection succeeded..
Execute an “if” condition “x” milliseconds and stop for “y”millisecond and repeat the condition ? http://stackoverflow.com/questions/10845025/execute-an-if-condition-x-milliseconds-and-stop-for-ymillisecond-and-repea an &ldquo if&rdquo condition &ldquo x&rdquo milliseconds and stop for &ldquo y&rdquo millisecond and repeat the condition.. and call this method when you want to start the process with TRUE value. void yourProcessMethod BOOL _flag if _flag Execute your process now check for time is it 5ms or not if time elapsed 5ms self yourProcessMethod TRUE else self yourProcessMethod.. for time is it 5ms or not if time elapsed 5ms self yourProcessMethod TRUE else self yourProcessMethod FALSE else Execute your process or do nothing if you want to stop it for 10 ms now check for time is it 10ms or not if time elapsed 10ms self..
Core Data: UIManagedDocument or AppDelegate to setup core data stack? http://stackoverflow.com/questions/14876988/core-data-uimanageddocument-or-appdelegate-to-setup-core-data-stack
What's your approach to testing iPhone / iPad apps? http://stackoverflow.com/questions/2670107/whats-your-approach-to-testing-iphone-ipad-apps memory leaks memory footprint at runtime etc. 4 Use Shark to identify performance problems when I feel it is needed. 5 Execute manually all of a predefined series of tests to check that both the UI and the underlying code works as expected. When adding..
How to fetch distinct values in Core Data? http://stackoverflow.com/questions/2785844/how-to-fetch-distinct-values-in-core-data request setReturnsDistinctValues YES request setPropertiesToFetch NSArray arrayWithObject @ #Attribute name# Execute the fetch NSError error id requestedValue nil WTF This isn't defined or used anywhere NSArray objects managedObjectContext.. request setReturnsDistinctValues YES request setPropertiesToFetch NSArray arrayWithObject @ name Execute the fetch NSError error NSArray objects managedObjectContext executeFetchRequest request error error if objects nil abort..
Asynchronous function execution? http://stackoverflow.com/questions/6225532/asynchronous-function-execution the following. viewDidAppear Load a spinner in a view on the top DSBezelActivityView newActivityViewForView self.view Execute code that require 3 seconds ... Stop the spinner DSBezelActivityView removeViewAnimated YES The problem is that the spinner..
Return NSArray from NSDictionary http://stackoverflow.com/questions/6481504/return-nsarray-from-nsdictionary the property request setPropertiesToFetch NSArray arrayWithObject @ timeStamp name s of properties you want to fetch Execute the fetch. NSError error NSArray objects managedObjectContext executeFetchRequest request error error When I log the NSArray..
iOS Objective C - UIWebView AutoFill and Execute http://stackoverflow.com/questions/9711246/ios-objective-c-uiwebview-autofill-and-execute Objective C UIWebView AutoFill and Execute I was wondering is there any possible way that I can have a webview that automatically inputs the values for text boxes..
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