AnimatedDialog.java

private void showDialog(){
AlertDialog.Builder builder = new androidx.appcompat.app.AlertDialog.Builder(this);
            builder.setTitle(R.string.exit);
            builder.setMessage(R.string.exit_text);
            builder.setPositiveButton(getResources().getString(R.string.yes), (dialog, arg1) -> finishAffinity());
            builder  .setNegativeButton(getResources().getString(R.string.no), (dialog, arg1) -> dialog.dismiss());
            androidx.appcompat.app.AlertDialog dialog = builder.create();
            dialog.getWindow().getAttributes().windowAnimations = R.style.DialogAnimation_2;
            dialog.show();
            }

R.anim.slide_bottom

 <set xmlns:android="http://schemas.android.com/apk/res/android">
 <translate
        android:duration="@android:integer/config_mediumAnimTime"
        android:fromYDelta="0%p"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toXDelta="100%p"/>
</set>

R.anim.slide_up

<set xmlns:android="http://schemas.android.com/apk/res/android">
      <translate
        android:duration="@android:integer/config_mediumAnimTime"
        android:fromYDelta="100%"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toXDelta="0"/>
</set>

style.xml

 <style name="DialogAnimation_2">
        <item name="android:windowEnterAnimation">@anim/slide_up</item>
        <item name="android:windowExitAnimation">@anim/slide_bottom</item>
    </style>