getWidth() and getHeight() always returning 0. Custom view

Question

In a Fragment, I am inflating a Layout with multiple child View. I need to get the dimensions (width and height) of one of them which is a custom view.

Inside the

Answer 1

Using ViewTreeObserver.OnGlobalLayoutListener, View.post(Runnable action) or onWindowFocusChanged() isn't the best solution. This article (note: I am the author of this article) explains why and provides a working solution using doOnLayout kotlin extension, which is based on View.OnLayoutChangeListener. If you want it in Java, in the article there's a link to doOnLayout source code, it's very simple and you can do something similar in Java too.