Animation ZoomIn/ZoomOut

//IN

ScaleAnimation scaleAnimation = new ScaleAnimation(1f,4f,1f,4f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
scaleAnimation.setInterpolator(new LinearInterpolator());
scaleAnimation.setDuration(1800);
text.startAnimation(scaleAnimation);

//Out

ScaleAnimation scaleAnimation = new ScaleAnimation(1f,0.5f,1f,.50f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
scaleAnimation.setInterpolator(new AccelerateDecelerateInterpolator());
scaleAnimation.setDuration(1800);
text.startAnimation(scaleAnimation);