Widget - FAB Scale Animation

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

anim.setFillBefore(true);
anim.setFillAfter(true);
anim.setFillEnabled(true);
anim.setDuration(300);
anim.setInterpolator(new OvershootInterpolator());
_fab.startAnimation(anim);

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