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2014/10/15 ¤U¤È 10:03:37
iphone Programming Glossary: animatingiPhone board game: OpenGL ES or CoreGraphics? [closed] http://stackoverflow.com/questions/1082511/iphone-board-game-opengl-es-or-coregraphics the discrete elements of the game board pieces counters board squares etc. as individual UIViews or CALayers then animating those layers or views around. UIViews aren't too much heavier than CALayers and they use Core Animation behind the scenes..
UIView 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 text view iphone iphone sdk 3.0 uitextview share improve this question I had this exact problem where I was animating the tab bar and navigation bar off the bottom and top of the screen respectively leaving a 49px high white space where the..
iOS - Passing variable to view controller http://stackoverflow.com/questions/11272864/ios-passing-variable-to-view-controller calling ViewController too. However if I press this button again to show the modal view again whilst the other view is animating on screen the button temporarily has it's original value again from the nib . Does anyone know why this is iphone ios uiviewcontroller..
Dynamically setting layout on UICollectionView causes inexplicable contentOffset change http://stackoverflow.com/questions/13780138/dynamically-setting-layout-on-uicollectionview-causes-inexplicable-contentoffset is stored in the collectionViewLayout property. Setting this property directly updates the layout immediately without animating the changes. If you want to animate the changes you must call the setCollectionViewLayout animated method instead. However..
HowTo initialise MKMapView with a given user location? http://stackoverflow.com/questions/1437568/howto-initialise-mkmapview-with-a-given-user-location if the event was updated since the last N seconds. Then tell the location manager to stop updating the spinner to stop animating and get the lat long data and assign it to the map view along with a view span and region so it zooms and centers to the..
How to crossfade between 2 images on iPhone using Core Animation http://stackoverflow.com/questions/1550206/how-to-crossfade-between-2-images-on-iphone-using-core-animation not to learn how to crossfade images per se . Reading similar questions on SO leads me to believe it can be done by animating the .contents property of the UIImageView's layer like so UIImage image1 UIImage imageNamed @ someImage1.png UIImage image2..
Detecting when camera's iris is open on iPhone http://stackoverflow.com/questions/1570419/detecting-when-cameras-iris-is-open-on-iphone I need to find out when the iris is opened because my overlay will allways shown while the iris is close and then animating to open . Any ideas iphone camera share improve this question You can listen for the PLCameraViewIrisAnimationDidEndNotification..
How do I translate parabolically? http://stackoverflow.com/questions/1886158/how-do-i-translate-parabolically I have a view I want to translate but not along a line. I want to translate it parabolically. Imagine that I am animating a car moving along a curved road. I know I can set the transform properly to an instance of CGAffineTransform Problem is..
Make a view (initialized from initWithNibName) load all its subview http://stackoverflow.com/questions/1935526/make-a-view-initialized-from-initwithnibname-load-all-its-subview of calling addSubview when you want to show it just do viewController.view.hidden NO I've used this method when animating in views using the UIViewAnimationTransitionFlipFromRight etc. transitions. Even when forcing a lazy load of the view there..
Writing an app to stream video to iPhone http://stackoverflow.com/questions/2978405/writing-an-app-to-stream-video-to-iphone
Accordion table cell - How to dynamically expand/contract uitableviewcell? http://stackoverflow.com/questions/3066167/accordion-table-cell-how-to-dynamically-expand-contract-uitableviewcell how to accomplish a similar effect Update I have made some progress using neha's method below and while the cell is animating the correct way it is wreaking havoc with the other cells in the table. What I have done is subclassed UITableViewCell with..
How to pause and resume UIView Animation? http://stackoverflow.com/questions/3211065/how-to-pause-and-resume-uiview-animation to pause and resume UIView Animation I have a UIView with several UILabels that is animating from top to bottom and vice versa. A sort of Autoque let's say I use 2 functions void goUp void goDown Those functions start..
How to close an application programmatically when the user taps on a button http://stackoverflow.com/questions/4021118/how-to-close-an-application-programmatically-when-the-user-taps-on-a-button Applications calling exit will appear to the user to have crashed rather than performing a graceful termination and animating back to the Home screen. Such usage provides a negative experience and is strongly discouraged. share improve this answer..
Method for animating images (like a movie) on iPhone without using MPMoviePlayer http://stackoverflow.com/questions/442076/method-for-animating-images-like-a-movie-on-iphone-without-using-mpmovieplayer for animating images like a movie on iPhone without using MPMoviePlayer I need to be able to display an animation over a static image...
How to create custom easing function with Core Animation? http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation to create custom easing function with Core Animation I am animating a CALayer along a CGPath QuadCurve quite nicely in iOS. But I'd like to use a more interesting easing function than the..
What's the best approach to draw lines between views? http://stackoverflow.com/questions/5847876/whats-the-best-approach-to-draw-lines-between-views copying and CPU GPU communication. On the other hand what you really want to do is lightweight Draw a line probably animating start end points width color alpha ... There's an easy way to do this completely avoiding the described overhead Use a CALayer..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice UIView Animation Best Practice What is considered best practice for animating view transitions on the iPhone For example the ViewTransitions sample project from apple uses code like CATransition applicationLoadViewIn..
Implement custom animation to present modal view from specified view on iPad http://stackoverflow.com/questions/6605959/implement-custom-animation-to-present-modal-view-from-specified-view-on-ipad self presentModalViewController modalViewController animated NO Remove the shadow. It causes weird artifacts while animating the view. CGColorRef originalShadowColor modalViewController.view.superview.layer.shadowColor modalViewController.view.superview.layer.shadowColor..
how to make iphone apps like ibeer, imilk, ibug, ibeer http://stackoverflow.com/questions/885152/how-to-make-iphone-apps-like-ibeer-imilk-ibug-ibeer for any animation frames that aren't the result of rotating or moving an image. Core Animation does a great job animating the movement of 2d images. The movement of bubbles in liquid could probably be done easiest by cycling between some artwork.. of 2d images. The movement of bubbles in liquid could probably be done easiest by cycling between some artwork animating them. That said it's a trade off between creating lots of artwork and writing some OpenGL or Quartz code to simulate the..
Animating the display of a View http://stackoverflow.com/questions/1026403/animating-the-display-of-a-view the display of a View I have added a button on a view the view is of the same size as the button . When that button is..
Animating the drawing of a line http://stackoverflow.com/questions/10603391/animating-the-drawing-of-a-line the drawing of a line I'm trying to animate the drawing of a line by the following way .h CAShapeLayer rootLayer CAShapeLayer..
Animating a shape with CoreAnimation http://stackoverflow.com/questions/1767401/animating-a-shape-with-coreanimation a shape with CoreAnimation I approaching core animation and drawing empirically. I am trying to animate a simple shape..
How do I fade in /out a rectangle or text? http://stackoverflow.com/questions/1939841/how-do-i-fade-in-out-a-rectangle-or-text iphone cocoa touch core animation share improve this question Why do you not want to use UIView's animation blocks Animating a change in opacity of a view UILabel or otherwise with that is pretty easy. For example the following code will fade out..
Animating a custom property of CALayer subclass http://stackoverflow.com/questions/2395382/animating-a-custom-property-of-calayer-subclass a custom property of CALayer subclass I have a CALayer subclass MyLayer that has a NSInteger property called myInt. I'd..
iPhone Dev: Animating PNG Sequences http://stackoverflow.com/questions/2734669/iphone-dev-animating-png-sequences Dev Animating PNG Sequences What is the best or recommended technique for animating PNG Sequences. Heres what I've learned Do it Manually.. methods This works the only problem is to find if an image has completed its animation you have to check the isAnimating BOOL and to do that you need a timer. What is the best and recommended Looking to do Oldschool game sprite animations ie..
does animateWithDuration:animations: block main thread? http://stackoverflow.com/questions/3237431/does-animatewithdurationanimations-block-main-thread commitAnimations Cheers gary iphone objective c cocoa touch animation multithreading share improve this question Animating with blocks doesn't block the main thread. I think the behavior you're seeing is because by default user interaction is..
How to animate while resizing UIView http://stackoverflow.com/questions/4586297/how-to-animate-while-resizing-uiview rect UIView commitAnimations iphone cocoa touch uiview ios4 core animation share improve this question Animating the frame property can be problematic but it should work correctly as long as the transform is the identity that is you..
Fetching image From Animating UIImageView http://stackoverflow.com/questions/5536915/fetching-image-from-animating-uiimageview image From Animating UIImageView I'm using animation method of for implementing slide show in UIimageView as mainSlideShowImageView.animationImages.. 75.00 mainSlideShowImageView.animationRepeatCount 0 infinite mainSlideShowImageView startAnimating Now what I want is to know which image is currently on image view screen. How can I do so If it is not possible please tell.. 3.0 target self selector @selector increase userInfo nil repeats YES mainSlideShowImageView startAnimating void increase i if i 4 i 0 void getimage UIImage im array objectAtIndex i im is the current image of imageview I have taken..
Animating custom-drawn UITableViewCell when entering edit mode http://stackoverflow.com/questions/742829/animating-custom-drawn-uitableviewcell-when-entering-edit-mode custom drawn UITableViewCell when entering edit mode Background First of all much gratitude to atebits for their very informative..
Animate a custom property using CoreAnimation in Monotouch? http://stackoverflow.com/questions/9544591/animate-a-custom-property-using-coreanimation-in-monotouch a custom property using CoreAnimation in Monotouch This is essentially the same question as posted here Animating a custom property in a CALayer over a year ago and hasn't been answered. Im creating a custom layer and drawing a circle..
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