视图翻转切换效果
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@implementation FlipView- (void) touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event { // Start Animation Block CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationTransition: UIViewAnimationTransitionFlipFromLeft forView:[self superview] cache:YES]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; // Animations [[self superview] exchangeSubviewAtIndex:0 withSubviewAtIndex:1]; // Commit Animation Block [UIView commitAnimations]; }@end |
视图翻页过渡效果
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CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context];[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0];// Apply the animation to the backdrop[UIView setAnimationTransition: UIViewAnimationTransitionCurlUp forView:myView cache:YES];// Exchange the two foreground views [myView exchangeSubviewAtIndex:0 withSubviewAtIndex:1]; [UIView commitAnimations]; |
视图淡入淡出效果
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- (void) fadeOut: (id) sender { CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; [[self.view viewWithTag:999] setAlpha:0.0f]; [UIView commitAnimations]; self.navigationItem.rightBarButtonItem = BARBUTTON(@”Fade In”,@selector(fadeIn:));}- (void) fadeIn: (id) sender { CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; [[self.view viewWithTag:999] setAlpha:1.0f]; [UIView commitAnimations]; self.navigationItem.rightBarButtonItem = BARBUTTON(@”Fade Out”,@selector(fadeOut:));}- (void) viewDidLoad { self.navigationItem.rightBarButtonItem = BARBUTTON(@”Fade Out”,@selector(fadeOut:));} @end |
让视图慢慢消失的效果
在调用 removeFromSuperview 的时候，当前视图会突然消失,这样显得很不友好。这段代码能够让视图慢慢消失。
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//// UIView+JTRemoveAnimated.h//// Created by james on 9/1/11.//@interface UIView (JTRemoveAnimated)- (void)removeFromSuperviewAnimated;@end//// UIView+JTRemoveAnimated.m//// Created by james on 9/1/11.//#import <QuartzCore/QuartzCore.h>@implementation UIView (JTRemoveAnimated)// remove static analyser warnings#ifndef __clang_analyzer__- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context { if ([animationID isEqualToString:@"fadeout"]) { // Restore the opacity CGFloat originalOpacity = [(NSNumber *)context floatValue]; self.layer.opacity = originalOpacity; [self removeFromSuperview]; [(NSNumber *)context release]; }}- (void)removeFromSuperviewAnimated { [UIView beginAnimations:@"fadeout" context:[[NSNumber numberWithFloat:self.layer.opacity] retain]]; [UIView setAnimationDuration:0.3]; [UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)]; [UIView setAnimationDelegate:self]; self.layer.opacity = 0; [UIView commitAnimations];}#endif@end |
使用 Core Animation 制作视图过渡动画
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CATransition *animation = [CATransition animation]; animation.delegate = self;animation.duration = 1.0f;animation.timingFunction = UIViewAnimationCurveEaseInOut; animation.type = kCATransitionMoveIn;animation.subtype = kCATransitionFromTop;// Perform some kind of view exchange or removal here, for example[myView exchangeSubviewAtIndex:0 withSubviewAtIndex:1];[myView.layer addAnimation:animation forKey:@"move in"]; |