Anim.java

public class Anim {
public void fadeIn(View view){
        ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
                view,
                PropertyValuesHolder.ofFloat("alpha", 0f, 1f)
        );
        animator.setDuration(4500);
        animator.setInterpolator(new FastOutSlowInInterpolator());
        animator.start();
    }

    public void fadeOut(View view){
        ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
                view,
                PropertyValuesHolder.ofFloat("alpha", 1f, 0f)
        );
        animator.setDuration(3000);
        animator.setInterpolator(new FastOutSlowInInterpolator());
        animator.start();
    }

    public void colorAnim(ImageView view, int color1, int color2){
        ObjectAnimator animator = ObjectAnimator.ofObject(view,
                "colorFilter",
                new ArgbEvaluator(),
                color1,
                color2);
        animator.setInterpolator(new LinearInterpolator());
        animator.setDuration(300);
        animator.start();
    }

    public void colorAnimInOut(ImageView view, int color1, int color2){
        ObjectAnimator animator = ObjectAnimator.ofObject(view,
                "colorFilter",
                new ArgbEvaluator(),
                color1,
                color2);
        animator.setInterpolator(new LinearInterpolator());
        animator.setRepeatCount(ObjectAnimator.RESTART);
        animator.setRepeatMode(ObjectAnimator.REVERSE);
        animator.setDuration(600);
        animator.start();
    }
        public void setSizeInAnim(View v){
        ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
                v,
                PropertyValuesHolder.ofFloat("scaleX", 0f, 1),
                PropertyValuesHolder.ofFloat("scaleY", 0f, 1)
        );
        animator.setDuration(1000);
        animator.setInterpolator(new AccelerateInterpolator());
        animator.start();
    }
    public void setSizeOutAnim(final View v){
        ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
                v,
                PropertyValuesHolder.ofFloat("scaleX", 1, 0f),
                PropertyValuesHolder.ofFloat("scaleY", 1, 0f)
        );
        animator.setDuration(800);
        animator.setInterpolator(new AccelerateInterpolator());
        animator.start();
        animator.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animator) {

            }

            @Override
            public void onAnimationEnd(Animator animator) {
                v.setVisibility(View.GONE);
            }

            @Override
            public void onAnimationCancel(Animator animator) {

            }

            @Override
            public void onAnimationRepeat(Animator animator) {

            }
        });
    }
}