Activity sliding from bottom to top but background activity should not moved

slide_up.xml

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

    <translate
        android:duration="@android:integer/config_longAnimTime"
        android:fromYDelta="100%p"
        android:toYDelta="0" />

</set>

slide_down.xml

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

    <translate
        android:duration="@android:integer/config_longAnimTime"
        android:fromYDelta="0"
        android:toYDelta="100%p" />

</set>

stay.xml

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="@android:integer/config_longAnimTime"
    android:fromYDelta="0%p"
    android:toYDelta="0%p" />

Open Activity

startActivity(new Intent(FromActivity.this, ToActivity.class));
overridePendingTransition(R.anim.slide_up, R.anim.stay);

Close Activity

finish();
overridePendingTransition(R.anim.stay, R.anim.slide_down);