Modifying topMargin of a Relativelayout programmatically

Question

I need to modify the top margin of a RelativeLayout programmatically

myScrollView.marginTop = 250

Unfortunately I receive the error val cannot be reassigned

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    ...
    <RelativeLayout
        android:id="@+id/myScrollView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginLeft="100dp"
        android:layout_marginRight="100dp"
        android:layout_marginTop="125dp"
        tools:context=".QuizActivity">
        ...

Is there a different way to do it please?

Thanks in advance for the appreciated help.

score 0 · Answer 1 · answered Sep 21 '21 at 11:57

0

You have to get the layoutparams of the view first and then setMargins.

val param = myScrollView.layoutParams as ViewGroup.MarginLayoutParams
param.setMargins(left,top,right,bottom)

then set the params to the layout or the view.

myScrollView.layoutparams = param

answered Sep 21 '21 at 11:57

Obaida Al Mostarihi

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Thankyou very much Yoron, you save my day ! – LastCard1440 Sep 21 '21 at 15:27
@LastCard1440 No problem happy to help... – Obaida Al Mostarihi Sep 21 '21 at 21:00
the last thing is to make a frame around that scrollView :-/ – LastCard1440 Sep 23 '21 at 07:19
@LastCard1440 Do you mean like a background with stroke on the sides? – Obaida Al Mostarihi Sep 23 '21 at 10:43
Yes I tried some things unsuccessful. A drawable frame as a xml file then called it in the layout of the scrollView. Now a frame appear on screen before I call te ScrollView. Then when the scrollView come on screen the frame is like a sandwich on top and bottom of the scrollView, not on the sides. Bigger than the scrollView itself. – LastCard1440 Sep 23 '21 at 15:40
@LastCard1440 can you dm me on Discord: yorondadude#1001 or Instagram: noah.mostarihi and send me a picture of the screen – Obaida Al Mostarihi Sep 23 '21 at 19:04

Modifying topMargin of a Relativelayout programmatically

1 Answers1