i have created xml layout with constraintlayout as root, then linear layout. and inside this i place 3 cardview. one of cardview there is an include layout. first i manually create n edit this layout.
yesterday, when androidide 2.1.4 release, i tried ui designer feature. when i open xml layout which i defined above, all my defined layout erased. only remains constrainlayout (root), parent linear layout, and one materialcardview, rest of layout are gone/erased.