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2014/10/15 ¤U¤È 10:14:20
iphone Programming Glossary: spinHow can I enforce an specific direction (i.e. clockwise) of rotation in Core Animation? http://stackoverflow.com/questions/1149635/how-can-i-enforce-an-specific-direction-i-e-clockwise-of-rotation-in-core-ani rotatedTransform CGAffineTransformRotate CGAffineTransformIdentity rotationValue I have an object which I want to spin around for about 320 degrees. Now Core Animation is clever and just rotates it as much as needed doing that by rotating..
http://stackoverflow.com/questions/1421050/iphone-uiimageview-rotation multiples of a full rotation without having to split the rotation into pieces. As an example the following code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of.. the following code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of rotations or by some number of radians. void runSpinAnimationWithDuration CGFloat duration..
spin image clockwise/anticlockwise on touch http://stackoverflow.com/questions/1547171/spin-image-clockwise-anticlockwise-on-touch image clockwise anticlockwise on touch Any idea about how to spin image clockwise anticlockwise on touch. iphone share.. image clockwise anticlockwise on touch Any idea about how to spin image clockwise anticlockwise on touch. iphone share improve this question #import QuartzCore QuartzCore.h UIView beginAnimations.. 2 speed for the rotation. Smaller number is faster fullRotationAnimation.repeatCount 1e100f number of times to spin. 1 once myImage.layer addAnimation fullRotationAnimation forKey @ 360 UIView commitAnimations share improve this answer..
Core Data Migration Across Multiple Version Upgrades http://stackoverflow.com/questions/1557344/core-data-migration-across-multiple-version-upgrades compatibleWithStoreMetadata Thanks for any assistance. I am loving Core Data. But it sometimes makes my head spin and I get confused which is why I am seeking some sage wisdom. iphone cocoa core data migration mapping model share improve..
UITableView scroll smooth with certain speed? http://stackoverflow.com/questions/3979119/uitableview-scroll-smooth-with-certain-speed But this method will make the table scroll with a constant duration. So you will not really recognize a long or short spin. I'm looking for a way to A Slow down the scroll animation. Or B Change the duration for the scroll animation to a self..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started Head Start C# book and my wife's intro to OOP course that used Java I have managed to display a 3D textured model and spin it using a tutorial in C# I got off the net I didn't just copy and paste I understand basically how it works and the XNA..
how can I use animation in cocos2d? http://stackoverflow.com/questions/486609/how-can-i-use-animation-in-cocos2d can I use animation in cocos2d I am trying to develop a Roulette game for iPhone. How can I animation spin the Roulette board iphone objective c cocoa touch animation cocos2d iphone share improve this question I have no idea.. this first set up your UIImageView by initializing it with your roulette wheel image. When you want the wheel to spin use the following code CATransform3D rotationTransform CATransform3DMakeRotation 1.0f M_PI 0 0 1.0 CABasicAnimation rotationAnimation..
Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees? http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees multiples of a full rotation without having to split the rotation into pieces. As an example the following code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of.. the following code will spin a view once per second for a specified number of seconds. You can easily modify it to spin a view by a certain number of rotations or by some number of radians. void runSpinAnimationWithDuration CGFloat duration..
Rotate image on center using one finger touch http://stackoverflow.com/questions/5468559/rotate-image-on-center-using-one-finger-touch using your calculations. You can replace the green block UIView with your UIImageView or anything else you want to spin. RotationViewController.h #import UIKit UIKit.h @interface RotationViewController UIViewController UIView m_block UILabel..
iPhone SDK Internet connection detection http://stackoverflow.com/questions/596589/iphone-sdk-internet-connection-detection
Display flaw with HTML input type number on iPhone iOS/Safari http://stackoverflow.com/questions/6827272/display-flaw-with-html-input-type-number-on-iphone-ios-safari All of a sudden the number field is a bit less wide almost as though the iPhone wants to make room for that useless spinner that appears on some browsers when the input has type number . Is anyone aware of such an issue How did you fix it Or.. share improve this question Actually the questioner himself is very close to the answer as he knows it is the spinner 's fault and luckily webkit allow users to control it by CSS input type number webkit outer spin button display none.. he knows it is the spinner 's fault and luckily webkit allow users to control it by CSS input type number webkit outer spin button display none Source REMOVE SPIN CONTROL ON INPUT TYPE NUMBER IN WEBKIT Live demo http jsbin.com aviram 5 Hope it..
Objective-C: Asynchronously populate UITableView - how to do this? http://stackoverflow.com/questions/7491517/objective-c-asynchronously-populate-uitableview-how-to-do-this can handle redirects authentication etc. I strongly suggest you look into its documentation. From here you can either spin off the CIMGFSimpleDownloadOperation from your UITableViewController or from another part of your application. For this..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes thing to consider because you're running this synchronously with a while loop you'll block the thread and possibly spin unnecessarily over your continue condition several times. AVAssetWriterInput provides an alternative mechanism to use libdispatch..
Distinct Count via Core Data, NSExpression Into NSFetchedResultsController http://stackoverflow.com/questions/9157436/distinct-count-via-core-data-nsexpression-into-nsfetchedresultscontroller I had the bright idea to use an NSExpression with hopes of having Core Data do all the work for me. I am beginning to spin my wheels. The count expression function is crashing on me. The exception is not very clear. The use of other expression..
How to develop a “spin the bottle” application http://stackoverflow.com/questions/9595727/how-to-develop-a-spin-the-bottle-application to develop a &ldquo spin the bottle&rdquo application I am making a spin the bottle game. I can't figure out how to make the bottle's spin speed.. to develop a &ldquo spin the bottle&rdquo application I am making a spin the bottle game. I can't figure out how to make the bottle's spin speed controlled by how fast you swipe your finger. I.. spin the bottle&rdquo application I am making a spin the bottle game. I can't figure out how to make the bottle's spin speed controlled by how fast you swipe your finger. I want it to work like the wheel of fortune the faster you swipe the..
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