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2014/10/15 ¤U¤È 10:14:39
iphone Programming Glossary: sufferInitial iPhone virtual keyboard display is slow for a UITextField. Is this hack around required? http://stackoverflow.com/questions/1628915/initial-iphone-virtual-keyboard-display-is-slow-for-a-uitextfield-is-this-hack improve this question No there is no other documented way to do that. And even Apple's built in apps such as Maps suffer from the same problem. You can either go with the hack you linked to or follow Apple's advice to not load stuff in advance..
Typical UDP latency on iPhone over 3G - are my numbers right? http://stackoverflow.com/questions/17859732/typical-udp-latency-on-iphone-over-3g-are-my-numbers-right
How can I reduce the number of annotations on a map? http://stackoverflow.com/questions/2200504/how-can-i-reduce-the-number-of-annotations-on-a-map a map I'm coding a map view with around 900 annotations. Having this many annotations on a map make the performance suffer so I'd like to reduce it to about 300 at a time. The annotations are representing shops in a country so they tend to cluster..
How to accommodate for the iPhone 4 screen resolution? http://stackoverflow.com/questions/2992360/how-to-accommodate-for-the-iphone-4-screen-resolution not. Nice. When we develop high resolution apps they probably won't work on older devices. And if they do they would suffer a lot from 4 times the size of any image having to scale them down in memory. iphone screen resolution share improve..
http://stackoverflow.com/questions/4473894/alternatives-to-creating-an-opengl-texture-from-a-captured-video-frame-to-overla You can indeed layer OpenGL content over something like AVCaptureVideoPreviewLayer but your performance will suffer. Apple highly recommends that you not overlay non opaque OpenGL ES content on top of other display elements. From the OpenGL..
How To Draw line on touch event? http://stackoverflow.com/questions/4669490/how-to-draw-line-on-touch-event for UIBezierPath path in paths path stroke Note that this is simplified a lot. If you draw many lines performance will suffer and eventually you'll want to cache the drawing in a bitmap image but this should get you started. share improve this answer..
How to make a UITableViewCell with different subviews reusable? http://stackoverflow.com/questions/5746904/how-to-make-a-uitableviewcell-with-different-subviews-reusable in a cell However if the content of a cell is composed of more than three or four subviews scrolling performance might suffer. In this case and especially if the cell is not editable consider drawing directly in one subview of the cell ™s content..
Removing grey bar above UINavigationController in a UITableView http://stackoverflow.com/questions/6200635/removing-grey-bar-above-uinavigationcontroller-in-a-uitableview when the view appears there is an annoying grey bar perched above the navigation controller none of my other views suffer from this. Just the view with the UITableView and NavigationController. Any ideas whats causing this and how to remove it..
How to protect app IPA from hacks if reverse engineering is possible http://stackoverflow.com/questions/6939222/how-to-protect-app-ipa-from-hacks-if-reverse-engineering-is-possible would still be able to get what he wants. Your client needs to get used to this as it's a fact. Other platforms suffer from similar vulnerabilities yet on the iPhone at least you have a somewhat closed environment and a reduced risk of being..
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