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2014/10/15 ¤U¤È 10:04:28
iphone Programming Glossary: aviewcontrollerHow to make UITabBarController load view controllers lazily? http://stackoverflow.com/questions/1197130/how-to-make-uitabbarcontroller-load-view-controllers-lazily @property nonatomic retain MyThirdViewController thirdViewController void switchToView UIViewController aViewController @end MyTabBarController.m #import MyTabBarController.h #import MyFirstViewController.h #import MySecondViewController.h.. viewController release self switchToView thirdViewController break void switchToView UIViewController aViewController if aViewController currentViewController return UIView aView aViewController.view aViewController viewWillAppear NO if currentViewController.. release self switchToView thirdViewController break void switchToView UIViewController aViewController if aViewController currentViewController return UIView aView aViewController.view aViewController viewWillAppear NO if currentViewController..
Retain/release pattern for UIPopoverController, UIActionSheet, and modal view controllers? http://stackoverflow.com/questions/2867709/retain-release-pattern-for-uipopovercontroller-uiactionsheet-and-modal-view-co UIPopoverArrowDirectionAny animated NO anActionSheet showFromBarButtonItem someButtonItem animated NO aViewController presentModalViewController someOtherViewController animated YES Can someone point me to explicit documentation on this subject..
CATransaction: Layer Changes But Does Not Animate http://stackoverflow.com/questions/2981676/catransaction-layer-changes-but-does-not-animate the changes. It simply immediately changes. I must be missing something IBAction someAction id sender UIViewController aViewController # Get an existing UIViewController # UIView viewToAnimate aViewController.view CALayer layerToAnimate viewToAnimate.layer.. someAction id sender UIViewController aViewController # Get an existing UIViewController # UIView viewToAnimate aViewController.view CALayer layerToAnimate viewToAnimate.layer CATransaction begin CATransaction setAnimationDuration 1.0f CATransform3D..
http://stackoverflow.com/questions/3730190/iphone-view-strategy animated altogether. Instead just set the rootViewController property of the active UIWindow . After setting aViewController as the rootViewController call aViewController.view becomeFirstResponder to enable it to respond to touch input. If presentModelViewController.. the rootViewController property of the active UIWindow . After setting aViewController as the rootViewController call aViewController.view becomeFirstResponder to enable it to respond to touch input. If presentModelViewController animated is like calling..
iPhone App Crashes due to Low Memory but works fine in simulator http://stackoverflow.com/questions/4275323/iphone-app-crashes-due-to-low-memory-but-works-fine-in-simulator @selector removeFromSuperview self.view nil if self.contentViewController nil ContentViewController aViewController ContentViewController alloc initWithNibName @ ContentViewController bundle NSBundle mainBundle self.contentViewController.. alloc initWithNibName @ ContentViewController bundle NSBundle mainBundle self.contentViewController aViewController aViewController release self.navigationController pushViewController self.contentViewController animated YES Sample code.. alloc initWithNibName @ ContentViewController bundle NSBundle mainBundle self.contentViewController aViewController aViewController release self.navigationController pushViewController self.contentViewController animated YES Sample code for pushing views..
Animated transition doesn't work correctly in landscape orientation http://stackoverflow.com/questions/4707606/animated-transition-doesnt-work-correctly-in-landscape-orientation transition finishes it rotates to the correct orientation. My code is below. IBAction buttonTouched MyViewController aViewController MyViewController alloc initWithNibName NSStringFromClass MyViewController class bundle nil UIView transitionFromView self.view.. alloc initWithNibName NSStringFromClass MyViewController class bundle nil UIView transitionFromView self.view toView aViewController.view duration 2 options UIViewAnimationOptionTransitionCurlUp completion NULL It appears as though the view doesn't get.. in landscape is being replaced with a new view which doesn't have that information. So one thought is to just put aViewController.view as a subView of self.view assuming that aViewController is opaque . Ah you say but then I lose the nice animation of..
Presenting modal view occasionally hides the navigation bar http://stackoverflow.com/questions/948023/presenting-modal-view-occasionally-hides-the-navigation-bar across this twice now. Sometimes using the following line of code self.navigationController presentModalViewController aViewController animated YES displays the view but the navigation bar is then hidden. I can write self.navigationController setNavigationBarHidden..
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