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2014/10/15 ¤U¤È 10:13:23
iphone Programming Glossary: responsiveObjective-C, cancel a dispatch queue using UI event http://stackoverflow.com/questions/10066897/objective-c-cancel-a-dispatch-queue-using-ui-event is called to start this modification and an alert view is shown. In order to show the alert view and keep the UI responsive I used dispatch_queue dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ dispatch_sync dispatch_get_main_queue..
NSURLRequest : Post data and read the posted page http://stackoverflow.com/questions/10300353/nsurlrequest-post-data-and-read-the-posted-page up on the URL Loading System it's your friend. Aim to make all your url connections asynchronous so your UI remains responsive. You can do this with NSURLConnectionDelegate callbacks. NSURLConnection has a small drawback your code must be decoupled...
How can i create excel sheet and file in iPhone sdk? http://stackoverflow.com/questions/11775661/how-can-i-create-excel-sheet-and-file-in-iphone-sdk recently someone reported that they got it to work on iOS. The two people supporting this library appear to be quite responsive to users so its likely that they will continue to support the ObjectiveC wrapper if people are using it. That said there..
http://stackoverflow.com/questions/12539697/iphone-5-css-media-query 5 CSS media query The iPhone 5 has a longer screen and it's not catching my website's mobile view. What are the new responsive design queries for the iPhone 5 and can I combine with existing iPhone queries My current media query is this @media only.. with existing iPhone queries My current media query is this @media only screen and max device width 480px iphone css responsive design media queries iphone 5 share improve this question Another useful media feature is device aspect ratio . Note..
Improving Finger Painting Performance http://stackoverflow.com/questions/1355527/improving-finger-painting-performance Temporary Graphics on top UIView. In this manner I can accumulate graphics on the underlying UIView while maintaining responsive painting of the temporary graphics on the top UIView. Sidenote Each Drawing is simply an NSArray of custom Point Objects..
Zbar SDK and ios7/xcode 5 - App is reaching 100% cpu use and memory more than 100MB http://stackoverflow.com/questions/19019607/zbar-sdk-and-ios7-xcode-5-app-is-reaching-100-cpu-use-and-memory-more-than-10 5 bar codes the app is reaching 100 cpu use for iOS 7 device I can see that in Xcode debug mode and app become less responsive. We never had issue in earlier iOS versions everything worked fine. Is thing changed in iOS 7 related to camera launching..
Background threads consuming 100% CPU on iPhone 3GS causes latent main thread http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread In practice you simply cannot have more than two or three background network threads and have the UI stay fully responsive. Optimize for user responsiveness it's the only thing a user really notices. Or and I really hate to say this add a Turbo.. cannot have more than two or three background network threads and have the UI stay fully responsive. Optimize for user responsiveness it's the only thing a user really notices. Or and I really hate to say this add a Turbo button to your app that puts..
Pattern for wrapping an Asynchronous JavaScript function to make it synchronous http://stackoverflow.com/questions/214491/pattern-for-wrapping-an-asynchronous-javascript-function-to-make-it-synchronous to manipulate SQLite3 databases. I understand the design decision to make things async as to not block and provide a responsive user interface. In my situation I know that my usage of the async API calls will execute fast. Since this is the case I'd..
UITextField in UIAlertView on iPhone - how to make it responsive? http://stackoverflow.com/questions/376104/uitextfield-in-uialertview-on-iphone-how-to-make-it-responsive in UIAlertView on iPhone how to make it responsive I placed a UITextField into a UIAlertView and moved it up so the keyboard wouldn't cover it up with the following code..
Best analytics offering for iPhone http://stackoverflow.com/questions/406186/best-analytics-offering-for-iphone far the best. I don't know where that July 2008 date comes from they've been releasing updates regularly and are super responsive to feedback and questions emailed to their support people. Whether by coincidence or not several of my suggestions have..
Passing array between view controllers? http://stackoverflow.com/questions/4478511/passing-array-between-view-controllers be then if your parsing of the JSON string takes longer also this is performed in the background and your UI will stay responsive. So now the model is downloading your stuff great but how do I know when it is done Well you would post a Notification from..
http://stackoverflow.com/questions/4600290/uislider-and-uiscrollview and you can then adjust the slider value. This behavior is undesirable. What is the best way to make the UISlider responsive when loaded into a UIScrollView I've thought about adding a blocker view that just eats up touch events that is placed under..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now down . why does it happen you can see with the controversial TOMSWIFT method there is actually no problem at all with responsiveness. tap for response at any time. but still the bizarre progressive slow down problem So the overwhelming thing is this.. started. Additionally anything that runs for a while on the main thread will also cause your touch handling to be unresponsive. This means that there is no way to force a UI refresh to occur from some other point in a process running on the main thread... loop to come to completion in the middle of operations performed on the main thread. However this still may reduce the responsiveness of your application. In general it is recommended that you move anything that takes a while to perform to a background..
How to make ui responsive all the time and do background updating? http://stackoverflow.com/questions/5133731/how-to-make-ui-responsive-all-the-time-and-do-background-updating to make ui responsive all the time and do background updating I am creating a application which displays 8 thumbnails per page and it can have.. gives a bad user experience How can i create the thumbnails and add them to UIScrollview without affecting the touch responsiveness I want them to run independent of the main thread which is resposible for handling touch events i suppose . Also i would.. and the delegate method is called when download is complete. Let me know the the options i have to make this more responsive and update UI without affecting the touch operations. The page control works fine with lazy loading of the grid of thumbnails...
Can you use cancel/isCancelled with GCD/dispatch_async? http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async to cancel the background process. Let's say you want to do a lot of processing in the background while keeping the UI responsive so that you can catch a cancel button or animate something to show the processor is working . Here's how we do it... @interface..
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 an iOS application goes to the background are lengthy tasks paused Yes I know if I wish my app to be responsive to users' multitasking actions such as switch to another app I should deal with void applicationWillResignActive UIApplication..
Responsive website on iPhone - unwanted white space on rotate from landscape to portrait http://stackoverflow.com/questions/8004707/responsive-website-on-iphone-unwanted-white-space-on-rotate-from-landscape-to website on iPhone unwanted white space on rotate from landscape to portrait I am creating a responsive website and have just noticed a strange behaviour in my content pages when viewed on the iPhone. It scales correctly when.. does not have this issue . If you need to see anything further just me know iphone orientation whitespace rotation responsive design share improve this question Fixed it The issue was coming from one particular div to find it it was a process..
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