Roku Developer Program

[johnmarsden]

Hey.

Trying to change the `GridScreenFocusBorderHD` attribute based on what grid section you're in. So row 1 is "pkg:/image/border-1.png" , row 2 is "pkg:/image/border-2.png" etc. I've noticed that the GridScreen doesn't update after changing attributes. I saw something on here about quickly opening and closing `OneLineDialog` screen, but that didn't work for me.

The alternative I guess could be to get a bytearray from BMP, alter the colors of it, then point to that tmp file. Is there a way to save ByteArrays to BMP files?

Thanks!

[johnmarsden]

bump.
I'm assuming I'll have to make a custom BMP Writer, which is okay, but just wanted to double check that I'm not overlooking something simple.

[TheEndless]

There's no way that I'm aware of to accomplish what you're after. You can't change the GridScreen focus border after the screen is rendered, nor can you use a byte array to create a BMP. Even if you could do the latter, Roku doesn't support BMPs.

[johnmarsden]

"TheEndless" wrote:
There's no way that I'm aware of to accomplish what you're after. You can't change the GridScreen focus border after the screen is rendered, nor can you use a byte array to create a BMP. Even if you could do the latter, Roku doesn't support BMPs.

Actually, I figured out a fairly easy way to dynamically write the BMPs and they show up on roScreen. I didn't test in something like roPosterScreen yet, but I'll try after I finish the script.