<Android - How can I make my custom view fill the ...

# stackoverflow

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Android - How can I make my custom view fill the whole screen?
I have a custom view named FloorView. I want this Floor view to be occupying the whole screen, and I need this dynamically (maybe match_parent). I don't want to hard code the size of the view.
I've tried doing this in FloorView.kt
private val rectangle = RectF(
ViewGroup.LayoutParams.MATCH_PARENT.toFloat(),
ViewGroup.LayoutParams.MATCH_PARENT.toFloat(), 0f, 0f)

I was thinking I could use the match_parent attribute, and match the ConstraintLayout of my MainActivity, but...