When animating, the next fragment will be ABOVE the previous one. Copy xml resources to res/animator

BaseMainFragment.java

public abstract class BaseMainFragment extends Fragment {

    @Override
    public Animation onCreateAnimation(int transit, final boolean enter, int nextAnim) {
        if (nextAnim == R.animator.next_fragment_anim) {
            Animation nextAnimation = AnimationUtils.loadAnimation(getContext(), nextAnim);
            nextAnimation.setAnimationListener(new Animation.AnimationListener() {
                private float startZ = 0f;

                @Override
                public void onAnimationStart(Animation animation) {
                    if (getView() != null) {
                        startZ = ViewCompat.getTranslationZ(getView());
                        ViewCompat.setTranslationZ(getView(), 1f);
                    }
                }

                @Override
                public void onAnimationEnd(Animation animation) {
                    if (getView() != null) {
                        getView().postDelayed(() -> {
                            if (getView() != null) {
                                ViewCompat.setTranslationZ(getView(), startZ);
                            }
                        }, 100);
                    }
                }

                @Override
                public void onAnimationRepeat(Animation animation) {

                }
            });
            return nextAnimation;
        } else {
            return null;
        }
    }
}

current_fragment_anim.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:interpolator="@android:anim/linear_interpolator">

    <translate
        android:duration="150"
        android:fromXDelta="0%"
        android:toXDelta="-10%"/>
</set>

current_fragment_anim_back.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:interpolator="@android:anim/linear_interpolator">

    <translate
        android:duration="150"
        android:fromXDelta="0%"
        android:toXDelta="100%"/>
</set>

FragmentNavigator.java

public class FragmentNavigator {

    private void setFragmentAnimation(FragmentManager fragmentManager) {
                fragmentManager.beginTransaction()
                .setCustomAnimations(
                        R.animator.next_fragment_anim, R.animator.current_fragment_anim,
                        R.animator.next_fragment_anim_back, R.animator.current_fragment_anim_back)
                .replace(containerId, fragment, screenKey)
                .addToBackStack(command.screenKey)
                .commit();
    }
}

next_fragment_anim.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:interpolator="@android:anim/linear_interpolator">

    <translate
        android:duration="150"
        android:fromXDelta="100%"
        android:toXDelta="0%"/>
</set>

next_fragment_anim_back.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:interpolator="@android:anim/linear_interpolator">

    <translate
        android:duration="150"
        android:fromXDelta="-10%"
        android:toXDelta="0%"/>
</set>