View controller transition realizes jingdongjia shopping cart effect

In this article, we mainly describe the implementation scheme of the above animation effect. It mainly involves the knowledge of view controller transition animation.

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Presenting a View Controller

There are several ways to display a view controller:

Through the above methods, we can display a view controller. For the display form, we can use the predefined form in UIKit or customize (that is, customize transition animation).

Customizing the Transition Animations

Custom transition animation mainly includes the following components:

To realize custom transition animation, you usually follow the following steps

Presented View Controller

Here, we use the presented view controller itself as its transition agent. You can also use a separate proxy object.

Animator

As the manager of transition animation, animator is mainly responsible for presenting and dismissing animation effects.

Animation duration

Execute animation

Presenting animation

Dismissing animation

Transitioning Delegate

That's all for the view controller transition. You should be familiar with its usage. As for the animation effect in the blog, I don't think I can go deep into it. It's a time-consuming task. If you have any questions, please leave me a message and Xiaobian will reply to you in time. Thank you very much for your support for the programming tips website!