Get height of children set to wrap_content when the height of layout itself is zero

Question

I am trying to make the rows of my listview such that clicking on any one expands that row in place and shows extra options. I use an extra layout (let's call it expandView) contained with the row layout (call it rowView) with height set to zero initially and use a valueanimator to expand it to the final height when rowView is clicked.

Problem is, I have no idea what the final height is going to take until the user actually clicks the rowView. So I cannot specify some fixed end value for the animation, nor can I sum up the heights of expandView's children on rowView click since they too return zero when expandView's height is zero.

I really want to avoid hardcoding the height values for expandView or it's children here. Any pointers?

Use ExpandableListView http://developer.android.com/reference/android/widget/ExpandableListView.html — ElDuderino, Apr 19 '14 at 18:35

score 1 · Answer 1 · edited May 23 '17 at 12:20

1

Figured it out. This answer given here helped. I have to call call measure() followed by getMeasuredHeight() to get the final height of my expandView.

edited May 23 '17 at 12:20

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answered Apr 20 '14 at 06:33

iTwenty

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Get height of children set to wrap_content when the height of layout itself is zero

1 Answers1