我有一个基于导航的应用程序,我想改变推送和弹出动画的动画。我该怎么做呢?
编辑2018
这个问题有很多答案,现在已经有很长一段时间了,我重新选择了我认为最相关的答案。如果有人有不同的想法,请在评论中告诉我
我有一个基于导航的应用程序,我想改变推送和弹出动画的动画。我该怎么做呢?
编辑2018
这个问题有很多答案,现在已经有很长一段时间了,我重新选择了我认为最相关的答案。如果有人有不同的想法,请在评论中告诉我
当前回答
虽然这里所有的答案都很棒,而且大多数工作得很好,但有一个稍微简单一点的方法可以达到同样的效果……
推动:
NextViewController *nextViewController = [[NextViewController alloc] init];
// Shift the view to take the status bar into account
CGRect frame = nextViewController.view.frame;
frame.origin.y -= 20;
frame.size.height += 20;
nextViewController.view.frame = frame;
[UIView transitionFromView:self.navigationController.topViewController.view toView:nextViewController.view duration:0.5 options:UIViewAnimationOptionTransitionFlipFromRight completion:^(BOOL finished) {
[self.navigationController pushViewController:nextViewController animated:NO];
}];
流行:
int numViewControllers = self.navigationController.viewControllers.count;
UIView *nextView = [[self.navigationController.viewControllers objectAtIndex:numViewControllers - 2] view];
[UIView transitionFromView:self.navigationController.topViewController.view toView:nextView duration:0.5 options:UIViewAnimationOptionTransitionFlipFromLeft completion:^(BOOL finished) {
[self.navigationController popViewControllerAnimated:NO];
}];}
其他回答
使用iJordan的答案作为灵感,为什么不简单地在UINavigationController上创建一个Category来在整个应用程序中使用,而不是复制/粘贴这个动画代码的所有地方?
UINavigationController + Animation.h
@interface UINavigationController (Animation)
- (void) pushViewControllerWithFlip:(UIViewController*) controller;
- (void) popViewControllerWithFlip;
@end
UINavigationController+Animation.m
@implementation UINavigationController (Animation)
- (void) pushViewControllerWithFlip:(UIViewController *) controller
{
[UIView animateWithDuration:0.50
animations:^{
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[self pushViewController:controller animated:NO];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:self.view cache:NO];
}];
}
- (void) popViewControllerWithFlip
{
[UIView animateWithDuration:0.5
animations:^{
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:self.view cache:NO];
}];
[self popViewControllerAnimated:NO];
}
@end
然后简单地导入UINavigationController+Animation.h文件并正常调用它:
[self.navigationController pushViewControllerWithFlip:[[NewViewController alloc] init]];
[self.navigationController popViewControllerWithFlip];
从示例应用程序中,可以看到这种变化。 https://github.com/mpospese/MPFoldTransition/
#pragma mark - UINavigationController(MPFoldTransition)
@implementation UINavigationController(MPFoldTransition)
//- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
- (void)pushViewController:(UIViewController *)viewController foldStyle:(MPFoldStyle)style
{
[MPFoldTransition transitionFromViewController:[self visibleViewController]
toViewController:viewController
duration:[MPFoldTransition defaultDuration]
style:style
completion:^(BOOL finished) {
[self pushViewController:viewController animated:NO];
}
];
}
- (UIViewController *)popViewControllerWithFoldStyle:(MPFoldStyle)style
{
UIViewController *toController = [[self viewControllers] objectAtIndex:[[self viewControllers] count] - 2];
[MPFoldTransition transitionFromViewController:[self visibleViewController]
toViewController:toController
duration:[MPFoldTransition defaultDuration]
style:style
completion:^(BOOL finished) {
[self popViewControllerAnimated:NO];
}
];
return toController;
}
请参阅我对这个问题的回答,以了解如何用更少的代码行完成它。这个方法允许你以任何你喜欢的方式动画一个新视图控制器的伪“Push”,当动画完成时,它就像你使用标准的Push方法一样设置导航控制器。我的示例允许您从左边或从右边对滑入进行动画操作。 为了方便起见,这里重复了代码:
-(void) showVC:(UIViewController *) nextVC rightToLeft:(BOOL) rightToLeft {
[self addChildViewController:neighbor];
CGRect offscreenFrame = self.view.frame;
if(rightToLeft) {
offscreenFrame.origin.x = offscreenFrame.size.width * -1.0;
} else if(direction == MyClimbDirectionRight) {
offscreenFrame.origin.x = offscreenFrame.size.width;
}
[[neighbor view] setFrame:offscreenFrame];
[self.view addSubview:[neighbor view]];
[neighbor didMoveToParentViewController:self];
[UIView animateWithDuration:0.5 animations:^{
[[neighbor view] setFrame:self.view.frame];
} completion:^(BOOL finished){
[neighbor willMoveToParentViewController:nil];
[neighbor.view removeFromSuperview];
[neighbor removeFromParentViewController];
[[self navigationController] pushViewController:neighbor animated:NO];
NSMutableArray *newStack = [[[self navigationController] viewControllers] mutableCopy];
[newStack removeObjectAtIndex:1]; //self, just below top
[[self navigationController] setViewControllers:newStack];
}];
}
非常简单
self.navigationController?.view.semanticContentAttribute = .forceRightToLeft
我不知道有什么方法可以公开更改过渡动画。
如果“后退”按钮不是必需的,你应该使用模态视图控制器来实现“push from bottom”/“flip”/“fade”/(≥3.2)“页面卷曲”过渡。
在私有端,方法-pushViewController:animated:调用未记录的方法-pushViewController:transition:forceImmediate:,因此,例如,如果你想要一个从左到右的翻转转换,你可以使用
[navCtrler pushViewController:ctrler transition:10 forceImmediate:NO];
但是,您不能以这种方式更改“pop”过渡。