treeitem图标不显示

Question

I'm working with treeview in javaFx, I want to put an icon to the root node, and other icon for every child. I was trying to put it at least to the root node, but it still shows me the arrow, I declare the node in the next way:

TreeItem<Object> rootNode = new TreeItem<Object>("Agentes");
rootNode.setGraphic(new ImageView(new Image(getClass().getResourceAsStream("/images/A.png"))));

I have the image "A.png" in a package called application.images

, and my loader class is Main.java is located in application , this is my directory:

when I run the application this is the treeview that I get:

it doesn't show me error or something like this. I must say, A.png is a image with 16x16Pixels. I don't know what I'm doing wrong, Thanks!

Answer 1

I resolved it, putting setGraphic(new ImageView(new Image(getClass().getResourceAsStream("/images/A.png")))); into the updateItem( Object item, boolean empty ) method in the a class that extends from TreeCell