how to change stroke color in android by kotlin code?

Question

i want to change border color for imageview manually in kotlin.

val backgroundGradient = imgIcon.getBackground() as GradientDrawable
backgroundGradient.setColor(getResources().getColor(R.color.yellow))

i tried this but it's not working.

score 2 · Accepted Answer · answered Sep 08 '18 at 05:24

2

you can use this method

backgroundGradient.setStroke(width : Int, color : Int)

there are other options available you can pass to method

answered Sep 08 '18 at 05:24

Vishal

score 2 · Answer 2 · answered Sep 08 '18 at 05:38

2

You need to use setStroke method to change border color of imageview.

backgroundGradient.setStroke(1, ContextCompat.getColor(context, someColorId))

answered Sep 08 '18 at 05:38

Nikunj

how can i set width in dp? – Jignesh Hadiya Sep 08 '18 at 07:32
either calculate width or use TypedValue ........ https://stackoverflow.com/questions/5255184/android-and-setting-width-and-height-programmatically-in-dp-units – Nikunj Sep 08 '18 at 07:36

2 Answers2