How to implement optional parameters in Kotlin

This article mainly shows you "Kotlin how to achieve optional parameters", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "Kotlin how to achieve optional parameters" this article.

Optional Parameters (optional)

Optional parameters make method calls more flexible without having to pass null or default values. For example, when defining an animation:

Fun View.fadeOut (duration: Long = 500): ViewPropertyAnimator {return animate () .alpha (0.0f) .setDuration (duration)} icon.fadeOut () / / fade out with default time (500) icon.fadeOut (1000) / / fade out with custom time is all the content of the article "how to implement optional parameters in Kotlin". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!