// 一句話,寫在UITabBarController.m腳本中,tabBar是自動執行的方法 // 點擊tabbarItem自動調用 -(void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item { NSInteger index = [self.tabBar.items indexOfObject:item]; [self animationWithIndex:index]; if([item.title isEqualToString:@"發現"]) { // 也可以判斷標題,然后做自己想做的事<img alt="得意" src="http://static.blog.csdn.net/xheditor/xheditor_emot/default/proud.gif" /> } } - (void)animationWithIndex:(NSInteger) index { NSMutableArray * tabbarbuttonArray = [NSMutableArray array]; for (UIView *tabBarButton in self.tabBar.subviews) { if ([tabBarButton isKindOfClass:NSClassFromString(@"UITabBarButton")]) { [tabbarbuttonArray addObject:tabBarButton]; } } CABasicAnimation*pulse = [CABasicAnimation animationWithKeyPath:@"transform.scale"]; pulse.timingFunction= [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; pulse.duration = 0.08; pulse.repeatCount= 1; pulse.autoreverses= YES; pulse.fromValue= [NSNumber numberWithFloat:0.7]; pulse.toValue= [NSNumber numberWithFloat:1.3]; [[tabbarbuttonArray[index] layer] addAnimation:pulse forKey:nil]; }