android recyclerview show hide item with animation with default animation

1import android.animation.Animator;
2import android.animation.AnimatorListenerAdapter;
3import android.view.View;
4
5public final class AnimationUtils {
6
7  public static void slideDown(final View view) {
8        view.animate()
9                .translationY(view.getHeight())
10                .alpha(0.f)
11                .setListener(new AnimatorListenerAdapter() {
12                    @Override
13                    public void onAnimationEnd(Animator animation) {
14                        // superfluous restoration
15                        view.setVisibility(View.GONE);
16                        view.setAlpha(1.f);
17                        view.setTranslationY(0.f);
18                    }
19                });
20    }
21
22    public static void slideUp(final View view) {
23        view.setVisibility(View.VISIBLE);
24        view.setAlpha(0.f);
25
26        if (view.getHeight() > 0) {
27            slideUpNow(view);
28        } else {
29            // wait till height is measured
30            view.post(new Runnable() {
31                @Override
32                public void run() {
33                    slideUpNow(view);
34                }
35            });
36        }
37    }
38
39    private static void slideUpNow(final View view) {
40        view.setTranslationY(view.getHeight());
41        view.animate()
42                .translationY(0)
43                .alpha(1.f)
44                .setListener(new AnimatorListenerAdapter() {
45                    @Override
46                    public void onAnimationEnd(Animator animation) {
47                        view.setVisibility(View.VISIBLE);
48                        view.setAlpha(1.f);
49                    }
50                });
51    }
52
53}