How to animate FloatingActionButton of new Design Support Library

Question

I am using a TabLayout with 5 different fragments. On 3 of these fragments a android.support.design.widget.FloatingActionButton should appear. Right now I simpl

Answer 1

Because I did not want to extend the FloatingActionButton, I made it this way:

FloatingActionButton createButton;

// ...

Animation makeInAnimation = AnimationUtils.makeInAnimation(getBaseContext(), false);
makeInAnimation.setAnimationListener(new Animation.AnimationListener() {
    @Override
    public void onAnimationEnd(Animation animation) { }

    @Override
    public void onAnimationRepeat(Animation animation) { }

    @Override
    public void onAnimationStart(Animation animation) {
        createButton.setVisibility(View.VISIBLE);
    }
});

Animation makeOutAnimation = AnimationUtils.makeOutAnimation(getBaseContext(), true);
makeOutAnimation.setAnimationListener(new Animation.AnimationListener() {
    @Override
    public void onAnimationEnd(Animation animation) {
        createButton.setVisibility(View.INVISIBLE);
    }

    @Override
    public void onAnimationRepeat(Animation animation) { }

    @Override
    public void onAnimationStart(Animation animation) { }
});

// ...

if (createButton.isShown()) {
    createButton.startAnimation(makeOutAnimation);
}

// ...

if (!createButton.isShown()) {
    createButton.startAnimation(makeInAnimation);
}