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第三十八篇、给UITabBar按钮的动画效果

时间:2016-09-28 22:27:44      阅读:264      评论:0      收藏:0      [点我收藏+]

 

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- (void)tabBar:(UITabBar *)tabBar didSelectItem:(UITabBarItem *)item {

    NSInteger index = [self.tabBar.items indexOfObject:item];

    if (self.indexFlag != index) {
        [self animationWithIndex:index];
    }

}
// 动画
- (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];

    self.indexFlag = index;

}

 

第三十八篇、给UITabBar按钮的动画效果

原文:http://www.cnblogs.com/HJQ2016/p/5918027.html

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