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2014/10/15 ¤U¤È 10:09:57
iphone Programming Glossary: hangUIView doesn't resize to full screen when hiding the nav bar & tab bar http://stackoverflow.com/questions/1110052/uiview-doesnt-resize-to-full-screen-when-hiding-the-nav-bar-tab-bar resize webview to be full screen normal webView removeFromSuperview if isFullScreen previousTabBarView is an ivar to hang on to the original view... previousTabBarView self.tabBarController.view self.tabBarController.view addSubview webView webView.frame..
PurgeIdleCellConnections causes application to freeze then crash [duplicate] http://stackoverflow.com/questions/11209725/purgeidlecellconnections-causes-application-to-freeze-then-crash to purge conn 0x1d57ba00 2 answers My app keeps rapidly throwing this up at me until we run out of memory and hang purgeIdleCellConnections found one to purge conn 0x1ddde360 purgeIdleCellConnections found one to purge conn 0x1dddb9a0..
http://stackoverflow.com/questions/11486828/table-view-scrolling-async you dispatch your image update back to the main queue you should do so asynchronously why have that background queue hang around and tie up resources as it waits for the the block to be sent back to the main queue to finish ... this is especially..
Failed to launch simulated application: Unknown error http://stackoverflow.com/questions/1262898/failed-to-launch-simulated-application-unknown-error error. My application has two targets but this error occurs on both of them. When error occurs the simulated OS hangs &mdash it displays black screen and no longer responds on any input. Simulator application itself does not hang &mdash.. OS hangs &mdash it displays black screen and no longer responds on any input. Simulator application itself does not hang &mdash all menus are active. All other applications I've tried running mostly Apple samples do work fine. Purging of caches.. these below Xcode Empty Caches... Delete directory Library Caches com.apple.DeveloperTools.### Full rebuild Reboot Change the product name it did not contain any spaces anyway Create new project and configure it manually from scratch A quote..
Retain/release pattern for UIPopoverController, UIActionSheet, and modal view controllers? http://stackoverflow.com/questions/2867709/retain-release-pattern-for-uipopovercontroller-uiactionsheet-and-modal-view-co my UIViewController presents a popover controller an action sheet or another view controller as modal am I required to hang onto a retained reference to that child controller until it's been dismissed In other words do the following lines of code..
Not safe to lookup objc runtime data http://stackoverflow.com/questions/3293523/not-safe-to-lookup-objc-runtime-data data Every now and then I start getting this error in the debugger constantly. Sometimes the debugger will flat out hang some times it will pause for a minute. This is just when stepping through all objective c code. Any thoughts on what might..
COMET (server push to client) on iPhone http://stackoverflow.com/questions/337985/comet-server-push-to-client-on-iphone
Create a UIImage by rendering UIWebView on a background thread - iPhone http://stackoverflow.com/questions/4660999/create-a-uiimage-by-rendering-uiwebview-on-a-background-thread-iphone . Because rendering a layer to a CGContext is a CPU consuming job I wouldn't like to use the main thread so not to hang the UI. My attempts so far were I tried to use renderInContext on the webView's layer to the UIGraphicalContext but the.. approached didn't work. I tried setting the kCATransactionDisableActions in a CATransaction but it didn't appear to change this behavior neither of them . I'm pretty close to giving up. Is there a savior among you people iphone ios uiwebview..
NSRegularExpression to validate URL http://stackoverflow.com/questions/4738521/nsregularexpression-to-validate-url NSLog @ no match Hope it helps somebody in the future The regular expression will sometimes cause the application to hang so I decided to use gruber's regular expression modified to recognize url without protocol or the www part i b a z w 1 3..
Optimize loading of remote plist http://stackoverflow.com/questions/5016261/optimize-loading-of-remote-plist of my plist. I imagine that I could store a copy of the plist on the device and only check if the remote plist has changed and if so download it. I am not sure if this will be less data and therefore minimize the load time and I'm not even sure.. initWithContentsOfURL . initWithContentsOfURL is synchronous. That means that it will run on the main thread and thus hang the application this is because UI events have to occur on the main thread and if a process is happening waiting for the..
what is the difference between Delegate and Notification? http://stackoverflow.com/questions/5325226/what-is-the-difference-between-delegate-and-notification your buddy and specifically want to talk to them. You can say something and they can respond. You can talk until you hang up the phone. Delegates in much the same way create a link between two objects and you don't need to know what type the.. is frequently used novice programmers which can lead to poor architecture. A lot of times these two features are interchangeable but more hardcore developers might scoff at the use of the NSNotificationCenter. Q what is the reason for using id..
If you have an IBOutlet, but not a property, is it retained or not? http://stackoverflow.com/questions/5523290/if-you-have-an-iboutlet-but-not-a-property-is-it-retained-or-not item when BigView is released In the case of 3 it seems clear that you must release explicitly. If you do not it will hang around after the view is gone. No problem. In the case of 1 I assume but can anyone actually confirm that the item will..
how to add searchbar in uitableview? http://stackoverflow.com/questions/5538355/how-to-add-searchbar-in-uitableview FirstTwo How to do this iphone ios uitableview uisearchbar share improve this question The best way to get the hang of this is by following a tutorial over here over here . The part you are looking for is this void searchBar UISearchBar.. a tutorial over here over here . The part you are looking for is this void searchBar UISearchBar searchBar textDidChange NSString searchText tableData removeAllObjects remove all data that belongs to previous search if searchText isEqualToString..
How to find unused images in an XCode project? http://stackoverflow.com/questions/6113243/how-to-find-unused-images-in-an-xcode-project any given png. iphone xcode ios4 share improve this question For files which are not included in project but just hang around in the folder you can press Cmd Opt A and they won't be grayed out. For files which are not referenced neither in..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c the circumstances under which you should call retain and release . My general rule of thumb is that if I want to hang on to an object for some length of time if it's a member variable in a class for instance then I need to make sure the object's.. after the event loop completes it will be destroyed. NSString s NSString stringWithString @ Hello World If you want to hang onto that string you'd need to call retain explicitly and then explicitly release it when you're done. Consider the following..
How to develop an app for Cydia and jailbroken iPhones http://stackoverflow.com/questions/6788207/how-to-develop-an-app-for-cydia-and-jailbroken-iphones
http://stackoverflow.com/questions/7269780/rest-web-services-in-iphone for the result and also a callback to get detailed error details. It als doesn't execute on the UI thread doesn't hang UI during the request . NSURL url NSURL URLWithString @ http www.mysite.com NSMutableURLRequest request NSMutableURLRequest..
http://stackoverflow.com/questions/8723923/core-data-vs-sqlite-or-fmdb a large percentage of the time say 90 a made up stat the answer on iOS will be to use Core Data. Why Once you get the hang of it and build out a few little helper methods Core Data keeps you in a consistent computing world the Objective C object..
How can I mute the capture sound in AVFoundation? http://stackoverflow.com/questions/9557081/how-can-i-mute-the-capture-sound-in-avfoundation i believe is correct...the problem is that AVfoundation library isn't really easy to master and i can't really get the hang of it.. capturing image using AVCaptureStillImageOutput was itself tough for me ..so can anyone help with pointing me or.. You will get the camera output in the following method.. I make a image and add it to my parent View..You can change it to your need #pragma mark AVCaptureSession delegate void captureOutput AVCaptureOutput captureOutput didOutputSampleBuffer.. to call our CALayer and tell it to display the CGImage. We display the result on the image view We need to change the orientation of the image so that the video is displayed correctly . Same thing as for the CALayer we are not in the..
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