open and close animation

Animation.java

 private void animateClosing() {
        AnimatorSet animator = new AnimatorSet();
        ObjectAnimator translation = ObjectAnimator.ofFloat(mSideTabs, "translationX", 0, sideTabsWidth);
        ObjectAnimator fadeOut = ObjectAnimator.ofFloat(mSideTabs, "alpha", 1f, 0f);
        animator.playTogether(translation, fadeOut);
        animator.setDuration(300);
        animator.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animation) {
                isAnimated = true;
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                stopSelf();
            }

            @Override
            public void onAnimationCancel(Animator animation) {

            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });
        animator.start();
    }

    private void animateX(final int startValue, final int endValue, final boolean isOpened) {
        ValueAnimator anim = ValueAnimator.ofInt(startValue, endValue);
        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator valueAnimator) {
                int val = (Integer) valueAnimator.getAnimatedValue();
                WindowManager.LayoutParams params = (WindowManager.LayoutParams) mSideTabs.getLayoutParams();
                params.x = val;
                mWindowManager.updateViewLayout(mSideTabs, params);
            }
        });
        anim.setDuration(500);
        anim.setInterpolator(new AccelerateDecelerateInterpolator());
        anim.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animation) {
                isAnimated = true;
                FloatingTabService.this.isOpened = isOpened;
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                isAnimated = false;
            }

            @Override
            public void onAnimationCancel(Animator animation) {

            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });
        anim.start();
    }