Android: Expand/collapse animation

Question

Let\'s say I have a vertical linearLayout with :

[v1]
[v2]

By default v1 has visibily = GONE. I would like to show v1 with an expand animat

Answer 1

An alternative is to use a scale animation with the following scaling factors for expanding:

ScaleAnimation anim = new ScaleAnimation(1, 1, 0, 1);

and for collapsing:

ScaleAnimation anim = new ScaleAnimation(1, 1, 1, 0);