Can't set visibility on constraint group

Question

When i try to set the visibility of the group on button click,it doesn\'t affect the view\'s visibility.Using com.android.support.constraint:constraint-layout:1.1.0-beta4. I

Answer 1

android.support.constraint.Group has a public method

 public void updatePreLayout(ConstraintLayout container) {
   ...
 }

that updates children visibilities, so calling

dataGroup.visibility = if (visible) View.VISIBLE else View.INVISIBLE
dataGroup.updatePreLayout(root)

worked for me