如何使在iphone上改变看法溶解动画？ [英] How to make dissolve animation on changing views on iphone?

问题描述

如何使溶解在iphone改变看法动画？

How to make dissolve animation on changing views in iphone?

Dissolve效果：一种观点是没有任何动静变化的另一个

Dissolve effect: one view is changing another without any movement.

非常感谢您的帮助！

推荐答案

您正在寻找的动画是：

[UIView animateWithDuration: 1.0
                 animations:^{
                     view1.alpha = 0.0;
                     view2.alpha = 1.0;
                 }];

一个更完整的解决方案，使用该动画可能是：

A more complete solution, using that animation might be:

- (void) replaceView: (UIView *) currentView withView: (UIView *) newView
{
    newView.alpha = 0.0;
    [self.view addSubview: newView];

    [UIView animateWithDuration: 1.0
                     animations:^{
                         currentView.alpha = 0.0;
                         newView.alpha = 1.0;
                     } 
                     completion:^(BOOL finished) {
                         [currentView removeFromSuperview];
                     }];
}

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