Can anyone help me

I see it. I have issue now. I need change a androidbackground img using databindind variable to determine which selector file I will use

out of curiosity, did you randomly pick some people to tag? also, you are doing

back > 0 ? ...

, but

back

is not a number type from what it looks from your declaration, so that is the error.

Why are you mentioning me? 😂 😕

? lol

how to solve? I need change my background image automatic according firebase value

what is the definition of your

Back

class?

do you see a github link? (pls)

also just think about it for a second...if you tried that in java you could not do the same thing. so what are you checking for?

my ideal solution would be for <layout> (variable databinding) in check.xml, but unfortunately it is not supported.

right so its a boolean

Do you understand?

so can an instance of

back

be compared with

> 0

?

I need togglebutton (to swap the image when it clicks) and databinding (to automatically change the background image) the two simultaneously

that I cannot tell you if this is valid in java

back > 0

pls

if you type it out in a java file, will

Back back = ...instance
back > 0

compile?

I don't know

you can in kotlin, its pretty similar. but its rhetorical question. No you cannot do that for semi-obvious reason.

Back

is not a number, its an object. so you cant compare it in databinding too because its not a number

ok

Hey dude , why not just go through the android documentation?