Proper Way Override Fixed Size Custom View

I have a custom view with Yellow background. I plan to add a Red background TextView, with match_parent for both width and height on it. Here's what I had done. MainActivity.java p

Solution 1:

After lots of trial and error and doing research work, final found answer.

You have set measurements for layout but not for child view, so for that you need to put this in onMeasure method,

        super.onMeasure(
            MeasureSpec.makeMeasureSpec(desiredWidth, MeasureSpec.EXACTLY),
            MeasureSpec.makeMeasureSpec(desiredHeight, MeasureSpec.EXACTLY));

Reference link : Inflated children of custom LinearLayout don't show when overriding onMeasure

And finally it's working :)