UIView *toView = [[self.tabBarController.viewControllers objectAtIndex:selectedIndex + 1] view];
[UIView transitionFromView:fromView toView:toView duration:0.5f options:UIViewAnimationOptionTransitionFlipFromRight completion:^(BOOL finished) {
if (finished) {
[self.tabBarController setSelectedIndex:selectedIndex + 1];
}
}];
}
}
复制代码
- (IBAction) tappedLeftButton:(id)sender
{
NSUInteger selectedIndex = [self.tabBarController selectedIndex];
if (selectedIndex > 0) {
UIView *fromView = [self.tabBarController.selectedViewController view];
UIView *toView = [[self.tabBarController.viewControllers objectAtIndex:selectedIndex - 1] view];
[UIView transitionFromView:fromView toView:toView duration:0.5f options:UIViewAnimationOptionTransitionFlipFromLeft completion:^(BOOL finished) {
if (finished) {
[self.tabBarController setSelectedIndex:selectedIndex - 1];
}
}];
}
}
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