2014/10/15 下午 10:10:29

iphone Programming Glossary: instant

http://stackoverflow.com/questions/11589768/bug-in-uikit-string-drawing-method

broken if all you do is string drawing avoiding the overhead of creating destroying contexts the crash happens nearly instantly void threadFunc UIFont font @autoreleasepool NSString string @ CGRect r 0 0 50 50 UIGraphicsBeginImageContextWithOptions.. 12 for int i 2 i NSThread detachNewThreadSelector @selector threadFunc toTarget self withObject font EDIT It is nearly instant only in multi core environments i.e. a dual core device or the simulator assuming a multi core Mac . Otherwise it takes..

iPhone dev - Manually rotate view

http://stackoverflow.com/questions/1220580/iphone-dev-manually-rotate-view

a view using the autoresizingMasks as if the user had rotated the phone and it had auto rotated. Also I want it to be instant no animation. I you want to know why I need this look at my other question at http stackoverflow.com questions 1219988 iphone..

Lag while drawing in ios7

http://stackoverflow.com/questions/19108185/lag-while-drawing-in-ios7

How can i solve this iphone ios objective c drawing ios7 share improve this question To find a instant solution Replace this line mainImage.image UIGraphicsGetImageFromContext UIGraphicsGetCurrentContext with mainImage performSelectorInBackground..

Dynamic (Default.png) splashscreen in 3.0 [iPhone SDK]

http://stackoverflow.com/questions/1959080/dynamic-default-png-splashscreen-in-3-0-iphone-sdk

your user interface as it would be empty without any content. It is intended to give the user the illusion of an near instant launch. Check out all of the Apple apps on the iPhone and you'll see how the default.png is meant to be used properly. Apple..

UIActivityIndicator not working properly?

http://stackoverflow.com/questions/2919879/uiactivityindicator-not-working-properly

indicator does not appear. When I remove the line spinner stopAnimating then the indicator appears but not at the instant button is pressed. It appears just before the other view loads and apparently does not appear I mean it does not appear.. and apparently does not appear I mean it does not appear but if we see very carefully then only it appears for an instant. Thanx in advance for any answer. iphone objective c ios uiactivityindicatorview share improve this question Ole is..

Any way of changing the duration of zoomToRect for UIScrollView?

http://stackoverflow.com/questions/3238567/any-way-of-changing-the-duration-of-zoomtorect-for-uiscrollview

for the animation of UIScrollView zoomToRect zoomRect animated YES At the moment it's either fast animated YES or instant animated NO . I'd like to specify a duration eg UIScrollView setAnimationDuration 2 or something similar. Thanks in advance..

xcode project-/target-settings-syntax for linker flag force_load on iPhone

http://stackoverflow.com/questions/3354864/xcode-project-target-settings-syntax-for-linker-flag-force-load-on-iphone

or the app won't build thanks to a duplicate symbols linker error. To solve this issue I now want to use force_load instant of load_all as it due to documentation it does the same like all_load but only for the passed path or lib file instead of..

UIScrollView Infinite Scrolling

http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling

the contentOffset under its hands. So it just goes on setting what it thinks should be the contentOffset for the next instant without verifying if the contentOffset has changed in the meantime. I would subclass UIScrollView and put the magic in the..

Disable orienation change rotation animation

http://stackoverflow.com/questions/4290050/disable-orienation-change-rotation-animation

it possible to speed it up Just to clarify i don't want to stop the orientation change just the animation. I want an instant orientation change. iphone objective c ios animation orientation share improve this question If I remember correctly..

How to reuse/recycle custom element like uitableviewcell does?

http://stackoverflow.com/questions/4914427/how-to-reuse-recycle-custom-element-like-uitableviewcell-does

methods. This helps keep memory in check for huge tables as only a few cells are there in the view at a given instant. I want to create a UIScrollView that has many subviews. Inserting all the subviews takes up a lot of memory and initial..

PVR textures versus PNG in OpenGL ES

http://stackoverflow.com/questions/501956/pvr-textures-versus-png-in-opengl-es

methods are available 3 or 4 color channels. Fast loading from disk no software decompression needed. Almost instant texture upload because it's an internal hardware format will go through drivers unchanged. fast rendering because of smaller..

how do I calculate heightForRowAtIndexPath when the cell is not even constructed yet?

http://stackoverflow.com/questions/5294356/how-do-i-calculate-heightforrowatindexpath-when-the-cell-is-not-even-constructed

actually prepared it seems prior to a heightForRowAtIndexPath so you can't rely on calling your specific custom cell instant to query it Only thing I can think of for the moment is to 1. In your custom UITableViewCell subclass create a method that..

UIView vertical flip animation

http://stackoverflow.com/questions/5392629/uiview-vertical-flip-animation

nil The above code will vertically flip the superview of viewToReplace . At the halfway point in the animation at the instant when the superview is perpendicular to the screen and thus invisible viewToReplace gets replaced by replacementView . It's..

ios app maximum memory budget

http://stackoverflow.com/questions/5887248/ios-app-maximum-memory-budget

you're using not SDK how many applications running in background what exact memory you're using etc. Just avoid the instant memory splashes e.g. you're using 40 Mb of RAM and then allocating 80 Mb's more for some short computation . In this case..

iPhone - Correct way for getting current date and time for a given place / timezone and compare it with another date/time in the same place

http://stackoverflow.com/questions/7362199/iphone-correct-way-for-getting-current-date-and-time-for-a-given-place-timez

timezone. Therefore you should not attempt to convert a date between time zones. NSDate objects represent an absolute instant in time. Consider the following example of how two date representations in different time zones 9 9 11 3 54 PM in Paris.. that It logs that last message because 9 9 11 3 54 PM in Paris and 9 9 11 11 54 PM in Sydney are actually the same instant in time. When it is 9 9 11 3 54 PM in Paris it is 9 9 11 11 54 PM in Sydney. both gives in the debugger and NSLog 2011 09..

Call a parent view controller (through a navigationcontroller)

http://stackoverflow.com/questions/8055052/call-a-parent-view-controller-through-a-navigationcontroller

.h file @interface parentViewController ChildViewControllerDelegate In parent view controller .m file after create instant of your ChildViewController childViewController.delegate self void parentMethodThatChildCanCall do thing share improve..