public class DialogTest extends DialogFragment {

    private Context mContext;

    public static DialogTest newInstance() {
        return new DialogTest();
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState)
    {
        final Dialog dialog = super.onCreateDialog(savedInstanceState);
        dialog.getWindow().getAttributes().windowAnimations = R.style.FragmentDialogAnim;
        return dialog;
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mContext = getContext();
        setStyle(DialogFragment.STYLE_NORMAL, R.style.AppTheme);
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialog_test, container, false);

        return view;
    }

@Override
    public void onStop() {
        super.onStop();
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
            getDialog().getWindow().setWindowAnimations(-1);
        }

    }


}