'how to convert rgb color to hex color - kotlin

This is what I do

val color = String.format("0XFF%02x%02x%02x", r, g, b)

this returns me a string "0XFFhexcode" I want to convert it to long, to store it and then use it as a color

color.toLong()

I have the following error

java.lang.NumberFormatException: For input string: 0XFFhexcode


Solution 1:[1]

This code might help you:

Integer.toHexString(Color.rgb(r, g, b))

Sources

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Source: Stack Overflow

Solution Source
Solution 1