Try adding some debug. Instead of calling

setStageIcon

, can you simply do

println(resources.image("icon.png"))

?

ok

And post the error it logged if possible.

Now the start function throwing an exception

Exception in Application start method

What's the exception?

@User uploaded a file: stageicontest.rar

I created a minimal app with this approach, and it works as it should. Will check your app now.

@Juan In the project you sent me, the resources folder is completely empty?

The error message on the console is therefore quite informative:

Caused by: java.lang.IllegalStateException: component.javaClass.getResourceAsStream(resource) must not be null

(Admittedly, it could be even better.. hehe :)

🤔 let me see

@Juan I created the folders src/main/resources/todolist and src/main/resources/todolist/app and placed an image in icon.png inside that folder. Then your app ran fine no problem.

@User uploaded a file:

@edvin @Juan you had it placed directly inside resources, not resources/todolist I think

ohh 😂

@pim is right, I see it now 🙂

Sorry, I'm stressed at the moment, too much to think about 🙂

Thank you!!!

"Avoid saving field references in the view, use properties bound to the components instead" What do you mean? So I shouldn't declare the feilds in the companion object?

@Juan Saving them in the companion object will introduce hard to resolve bugs if you start using scopes. Then you might have multiple views, but only one set of field references. There is no good reason to use the companion object for this anyways. When that's fixed, you should consider not saving them in fields at all. You very seldom need to access the fields directly.

Instead, you should bind the field states to properties and mutate those properties instead.

At the very least, remove the companion object because that's plain wrong 🙂

Let me change your view and get rid of for example the reference to taskInput.

Oks, so I get a better idea

Declare this instead:

The code to create the textfield and bind to this property becomes much nicer:

@User uploaded a file: Untitled

The addTask action then becomes

addTask(tasksList, taskInput.value)

and clearing the value becomes

taskInput.value = ""